CN107700475A - A kind of assembly concrete continuous underground wall structure and construction technology - Google Patents
A kind of assembly concrete continuous underground wall structure and construction technology Download PDFInfo
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- CN107700475A CN107700475A CN201711136971.9A CN201711136971A CN107700475A CN 107700475 A CN107700475 A CN 107700475A CN 201711136971 A CN201711136971 A CN 201711136971A CN 107700475 A CN107700475 A CN 107700475A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/20—Bulkheads or similar walls made of prefabricated parts and concrete, including reinforced concrete, in situ
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
- E02D19/18—Restraining of underground water by damming or interrupting the passage of underground water by making use of sealing aprons, e.g. diaphragms made from bituminous or clay material
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
- E02D19/18—Restraining of underground water by damming or interrupting the passage of underground water by making use of sealing aprons, e.g. diaphragms made from bituminous or clay material
- E02D19/185—Joints between sheets constituting the sealing aprons
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/20—Placing by pressure or pulling power
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/24—Placing by using fluid jets
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/26—Placing by using several means simultaneously
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Earth Drilling (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
A kind of assembly concrete continuous underground wall structure, including pre-cast concrete walling section, the pre-cast concrete walling section include the wall section on top and the wall section sinking cutting shoe of bottom, and wall is intersegmental to be connected by attachment structure；It is vertical in the wall section to be provided with least two cavitys, it is provided with one of cavity and is used for the penstocks that high pressure water breaks ground, the discharge pipeline for spoil disposal water is provided with a cavity, the penstocks is connected with high-pressure hydraulic pump, and the discharge pipeline is connected with slush pump；The water under high pressure delivery port that direction offers a row and be used to wash away stratum is being moved towards along wall section in the wall section sinking cutting shoe, it is further opened with the mudhole of up/down perforation in the wall section sinking cutting shoe, the mudhole and the cavity of discharge pipeline is installed in wall section face and connects up and down.The present invention provides that a kind of wall quality is preferable, construction environment is preferable, the faster assembly concrete continuous underground wall structure of speed of application and construction technology.
Description
Technical field
The present invention relates to Diaphragm Wall field, more particularly, to a kind of assembly concrete continuous underground wall structure
And construction technology.
Background technology
Diaphram wall is that current underground engineering field applies a kind of wider underground structure form, is mainly used in underground work
Protection to the scope of operation and waterproof action in journey work progress, also have as the underground connection wall of temporary structure as forever
A part for long underground structure, such as the exterior wall of basement.The structure type of current diaphram wall is poured in place concrete
Structure, its construction technology mainly include：Slotted using machinery in underground, using mud off, floor manufacture steel reinforcement cage, transfer steel
Muscle cage, the casting concrete into groove, diaphram wall of constructing paragraph by paragraph form the annular subterranean wall of closing.Applied under the conditions of prior art
The shortcomings that diaphram wall of work is difficult to overcome there is some, one is the casting concrete in mud ditch, the matter of concrete
Measure and be not easy to ensure, the water resistance of wall is poor；Next to that construction environment is poor, the especially not yet effective technology of the processing of mud
Means, the environment on place and periphery is had a great influence.Due to existing continuous underground wall structure and construction technology and plant equipment
Match, the structure type for changing wall is necessarily required to change corresponding construction technology and construction equipment, in underground engineering
Attempted to slot using existing construction machinery in field, cast-in-place concrete part was replaced with pre-cast concrete walling, jointing
Still with cast-in-place mode, but because kind of a mode needs to connect pre-cast concrete walling section in mud, cause the water shutoff of diaphram wall
It is ineffective, therefore technique fails to be widely applied.
The content of the invention
In order to overcome existing underground continuous wall construction technique the defects of wall quality difference and construction environment difference, the present invention to be present
There is provided a kind of wall quality is preferable, construction environment is preferable, the faster assembly concrete continuous underground wall structure of speed of application and
Construction technology.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of assembly concrete continuous underground wall structure, including pre-cast concrete walling section, the pre-cast concrete walling section
The wall section sinking cutting shoe of wall section and bottom including top, wall is intersegmental to be connected by attachment structure；
It is vertical in the wall section to be provided with least two cavitys, it is provided with one of cavity and is used for the pressure that high pressure water breaks ground
Power water pipe, the interior discharge pipeline being provided with for spoil disposal water of a cavity, the penstocks are connected with high-pressure hydraulic pump, the discharge pipeline
It is connected with slush pump；Direction is being moved towards provided with water under high pressure of the row for washing away stratum along wall section in the wall section sinking cutting shoe
Delivery port, the water under high pressure water outlet are provided with the water-jet flow pattern nozzle with one-way sealing function, the water-jet flow pattern nozzle
Connected with penstocks by the pressure water distribution passages being arranged in wall section sinking cutting shoe, also opened in the wall section sinking cutting shoe
Mudhole provided with up/down perforation, the mudhole and is provided with the cavity of discharge pipeline and face and connects up and down in wall section；
The built-in hanger for being easy to lifting is embedded with the upper surface of each wall section.
Further, the attachment structure takes off plate, annular chuck including steel and is removably oriented to steel pipe, a left side for the wall section
Right both sides are respectively equipped with connection concave side and connect convex side, the connection concave side phase for connecting convex side wall section adjacent thereto of the wall section
Coordinate clamping, the convex side of connection of the wall section is provided with groove, the connection of the wall section along vertical provided with pilot hole and its lower end
Wall section cutting shoe below concave side is provided with annular chuck, and the outer ring of the annular chuck is connected under the convex side of connection of adjacent wall section
In the groove at end, the guiding steel pipe is put into from top to bottom in pilot hole and its lower end is connected in the inner ring of annular chuck；
Pass through steel between the upper surface of the connection concave side of the upper surface of the convex side of connection of wall section wall section adjacent thereto
Take off plate connection.
Further, the continuous underground wall structure also includes prefabricating coping beam, and the prefabricating coping beam is arranged on wall section
Upper and prefabricating coping beam deck-siding is equal with wall section thickness, and the joint face between prefabricating coping beam is located at the cavity interval of wall section.
Further, the wall section sectional is prefabricated, including upper wall section and lower wall section, the lower end of upper wall section and lower wall section
Upper end pre-embedded steel slab and is welded to each other respectively.
Further, the both sides of the wall section are preset with the vertical and water for being used to the intersegmental junction grouting seal water of wall
Flat directionally independent grouting pipe system, the upper port of grouting pipe system can be connected with grouting pump, and along wall section depth direction
Preset 2~3 horizontal grouting outlet openings.
Further, the cavity of the wall section is not more than 1/3 wall thickness in wall section thickness direction, and the cavity interval of wall section is not small
In twice of wall thickness.
Further, it is described to be oriented to the deformation sensing being provided with steel pipe for monitoring the horizontality that wall section is sunk in real time
Device, the changing sensor, which is laid in, to be oriented on the steel pipe inner wall axis of symmetry.
Further, two row's vertical applied force reinforcing bars are provided with the wall section, often pass through level between row's vertical applied force reinforcing bar
Longitudinal reinforcement connects, and passes through horizontal cross bar connecting between two row's vertical applied force reinforcing bars；
The prefabricating coping beam, which is provided with, is used for the reinforcing bar preformed hole that reinforcing bar passes through, between the upper end for often arranging vertical applied force reinforcing bar
Reserving a reinforcing bar being connected with prefabricating coping beam away from 2m or so and got on the bus in the termination of the reinforcing bar has external screw thread, and car has external screw thread
Reinforcing bar be spirally connected from bottom to top through the reinforcing bar preformed hole of prefabricating coping beam with nut.
Further, the cavity corresponding position among the prefabricating coping beam with wall section also is provided with cavity.
Covered with steel plate on the end surface of the wall section sinking cutting shoe.
A kind of assembly concrete construction of diaphragm wall technique, comprises the following steps：
1) according to the depth of diaphram wall, thickness of wall body pre-cast concrete walling section, meanwhile, verify the waterproof ability of wall
Whether groundwater pressure condition is met；
When the depth of diaphram wall is larger, wall section can not prefabricated, transport, lifting when, can be by pre-cast concrete walling section edge
Some sections of depth direction point, segmentation is prefabricated, and segmentation is sunk, and is adopted in middle each section upper and lower end face pre-embedded steel slab, section with intersegmental
It is connected with the method directly welded；
2) position of wall is drawn on ground by the trends of design of diaphram wall, first with excavator construction guidance
Groove, one or several wall sections are lifted by crane, are vertically placed in guide groove, while guiding steel pipe is installed；In each cloth in the both ends of wall section
If a fluid pressure type static pressure machine, the wall section grip block of static pressure machine should avoid the concavo-convex end of wall section both sides, at least cloth in the middle part of wall section
If the machinery of a righting wall section, to ensure to keep perpendicular to the ground in wall section work progress；
3) static pressure machine is started, both sides synchronously push wall section, are oriented to using steel pipe is oriented to, and synchronous spreading is oriented to steel pipe；
The horizontality that monitoring wall section is sunk in real time is coordinated by changing sensor simultaneously；When being pressed with difficulty instantly, start high-pressure hydraulic pump
And slush pump, that assists wall section pushes sedimentation；When wall section will reach projected depth, stop high-pressure hydraulic pump, pass through static pressure machine
Make wall in place, while adjust both sides volume under pressure, make wall section keep level；
4) after two neighboring wall section is sunk in place, recovery is oriented to steel pipe, and steel takes off plate on card；
5) discharge pipeline cast-in-place concrete, fixed wall section cutting shoe part and wall pars infrasegmentalis are passed through；When diaphram wall waterproof will
Ask high and when total bearing capacity requirement is high, the pilot hole of wall section cavity and wall section connection nose all with cast-in-place concrete filling,
The strength grade of concrete of filling approaches with precast concrete intensity as far as possible；
6) by reserved slip casting and high pressure aquaporin to wall circumferential pressure slip casting, all connecting sewings in filled wall
Gap and the space with ground interlayer；
7) prefabricating coping beam is installed, diaphram wall is linked to be an entirety；
, can also when each wall section connection is reliable and formation condition is preferable as the designed little 15m of diaphram wall depth
Prefabricating coping beam is not set.
Beneficial effects of the present invention are mainly manifested in：By diaphram wall concrete structure all using dry type connection side
Formula, realize the complete prefabricated of diaphram wall concrete structure；Wall section can be mitigated using high-strength concrete, internal cavity formula structure
Dead load, it is easy to prefabricated, transport and construction；Assembled underground continuous wall construction is mutually tied using static pressure and bath technology of breaking ground
Close, and construction monitoring element is doubled as with steel pipe is oriented to, substantially improve the environmental condition of job site, improve Construction control essence
Degree.
Brief description of the drawings
Fig. 1 is the structural representation of diaphram wall pre-cast concrete walling section.
Fig. 2 is the top view of diaphram wall pre-cast concrete walling section.
Fig. 3 is diaphram wall pre-cast concrete walling section connection female end side view.
Fig. 4 is the connection diagram of underground continuous wall section upper end.
Fig. 5 is the connection diagram of prefabricating coping beam and wall section.
Fig. 6 is Fig. 5 top view.
Fig. 7 is that the steel of wall section upper port connection takes off plate schematic diagram.
Fig. 8 is wall section static pressure sinking schematic diagram.
Fig. 9 is wall section static pressure sinking side view.
Figure 10 is that high-pressure water jet breaks ground and casting schematic diagram.
Figure 11 is that wall section connection female end is oriented to fastener for connection schematic diagram.
Figure 12 is the wall section connection diagram of diaphram wall right angle turn.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.
1~Figure 12 of reference picture, a kind of assembly concrete continuous underground wall structure, including pre-cast concrete walling section 1, it is described
Pre-cast concrete walling section 1 includes the wall section on top and the wall section sinking cutting shoe 9 of bottom, and wall is intersegmental to be connected by attachment structure；
It is vertical in the wall section to be provided with least two cavitys 4, it is provided with one of cavity and is used for what high pressure water broke ground
Penstocks, the interior discharge pipeline 22 being provided with for spoil disposal water of a cavity, the penstocks are connected with high-pressure hydraulic pump, the row
Mud pipe 22 is connected with slush pump；Direction is being moved towards provided with a row for washing away stratum along wall section in the wall section sinking cutting shoe 9
Water under high pressure delivery port, the water under high pressure water outlet be provided with one-way sealing function water-jet flow pattern nozzle, the water-jet
Flow pattern nozzle is connected by the pressure water distribution passages being arranged in wall section sinking cutting shoe 9 with penstocks, and the wall section is sunk
The mudhole of up/down perforation is further opened with cutting shoe 9, the mudhole is with being provided with face above and below the cavity of discharge pipeline in wall section
And connect；
The built-in hanger for being easy to lifting is embedded with the upper surface of each wall section.
Further, the attachment structure takes off plate 14, annular chuck 11 and dismountable guiding steel pipe 24, the wall including steel
Section is respectively arranged on the left side and the right side connection concave side 2 and connects convex side 3, the connection side 3 of wall section wall section adjacent thereto
Connection concave side 2 is engaged clamping, and the convex side 3 of connection of the wall section is provided with groove, institute along vertical provided with pilot hole and its lower end
The wall section cutting shoe for stating the lower section of connection concave side 2 of wall section is provided with annular chuck 11, and the outer ring of the annular chuck 11 is connected to phase
In the groove of the convex lower end of side 3 of connection of adjacent wall section, the guiding steel pipe 24 is put into from top to bottom in pilot hole and its lower end clamping
In the inner ring of annular chuck 11；
Pass through between the upper surface of the connection concave side 2 of the upper surface of the convex side 3 of connection of wall section wall section adjacent thereto
Steel is taken off plate 14 and connected.
Further, the continuous underground wall structure also includes prefabricating coping beam 16, and the prefabricating coping beam 16 is arranged on
In wall section and the deck-siding of prefabricating coping beam 16 is equal with wall section thickness, and the joint face 15 between prefabricating coping beam is located at the cavity of wall section
Interval.
Further, the wall section sectional is prefabricated, including upper wall section and lower wall section, the lower end of upper wall section and lower wall section
Upper end pre-embedded steel slab and is welded to each other respectively.
Further, the both sides of the wall section are preset with the vertical and water for being used to the intersegmental junction grouting seal water of wall
Flat directionally independent grouting pipe system, the upper port of grouting pipe system can be connected with grouting pump, and along wall section depth direction
Preset 2~3 horizontal grouting outlet openings.
Further, the cavity 4 of the wall section is not more than 1/3 wall thickness in wall section thickness direction, and the cavity interval of wall section is not
Less than twice wall thickness.
Further, it is described to be oriented to the deformation sensing being provided with steel pipe 24 for monitoring the horizontality that wall section is sunk in real time
Device 26, the changing sensor 26, which is laid in, to be oriented on the inwall axis of symmetry of steel pipe 24.
Further, two row's vertical applied force reinforcing bars 5 are provided with the wall section, often pass through level between row's vertical applied force reinforcing bar
Longitudinal reinforcement 6 connects, and is connected between two row's vertical applied force reinforcing bars by horizontal cross reinforcing bar 7；
The prefabricating coping beam 16, which is provided with, is used for the reinforcing bar preformed hole that reinforcing bar passes through, and often arranges the upper end of vertical applied force reinforcing bar
Spacing 2m or so, which reserves a reinforcing bar being connected with prefabricating coping beam and got on the bus in the termination of the reinforcing bar, external screw thread, and car has outer spiral shell
The reinforcing bar of line is spirally connected through the reinforcing bar preformed hole of prefabricating coping beam 16 with nut from bottom to top.
Further, the corresponding position of cavity 4 among the prefabricating coping beam 16 with wall section also is provided with cavity.
Covered with steel plate on the end surface of the wall section sinking cutting shoe 9.
The general principle of the present invention is using the maturation process that concrete structure batch production makes and pre-buried technology, using work
The parts such as factory's coercion underground continuous wall wall, capping beam, recycle welding with bolt connection technology by prefabricated components at the scene
Assembled, connect into diaphram wall overall structure.
Two big functions of diaphram wall, one is the Water And Earth Pressures on the outside of knee wall, for applying for side underground engineering within the walls
Work provides the space of a safety, the second is preventing on the inside of the water Groundwater infiltration on the outside of wall in construction space.Using assembled
Concrete structure wall, the concrete strength of wall obtain the raising of several times, it is ensured that wall resists Water And Earth Pressures on the outside of wall
Ability；Simultaneously because wall quality increases substantially, the impermeability of wall is accordingly increased dramatically, and connects for precast wall body
Connect and locate water proof structure reasonable in design, then grouting process is used after diaphram wall is formed, assembly connection interface is carried out complete
Face blocks, and the waterproof ability of assembled underground continuous wall is also very reliable.
The technical scheme is that in existing prefabricated concrete structure and the basis of underground connection wall construction technology
On formed.First, it is similar to segmentation fluting, segmentation casting concrete in existing construction of diaphragm wall, connect for underground
Continuous wall wall be segmented prefabricated；After finished wall section is transported to building site, lifting is upright, and segmentation static pressure punching is heavy, sinks down into projected depth
Afterwards, treat that whole wall sections install, its whole wall section is connected into an entirety by upper capping beam.
The design discipline that the Design of Bearing Capacity of armored concrete dry wall section can refer to cast-in-place concrete diaphram wall enters
OK, except that coagulation strength grade can be greatly improved to more than C50.The depth H of wall section determines according to functional design requirements,
When the length of wall section is long, also can be vertically divided into some sections at the scene in sinking while connect；The width B of wall section (walk by wall
To direction) it can integrate and determine according to the static pressure ability of construction machinery and the crane capacity of lifting machine；Wall pars infrasegmentalis sets wall section
Sinking cutting shoe, facilitate sinking of the wall section in the soil body；Wall section both sides are designed into concavo-convex end, and female end, which is set, to be oriented under steel pipe is made under wall section
It is oriented to and uses when heavy, while is used as the real-time monitoring of wall section sinking flatness；Nose shaping-orientation hole is corresponding with being oriented to steel pipe.
The intersegmental connected mode of wall can variation, can be used after connected mode under current technical status is largely engineered.
Precast wall body sinking watching can combine bottom sluicing break ground technique assist wall sink, press water can
Penstocks are put into from wall section internal cavity to provide, and muddy water pipe is set in another cavity, and slush pump will be set on ground to be washed away
Mud extract out, so as to accelerate the subsidence velocity of dry wall section, at the same by the rushing of the soil body under the static pressure machine in wall section, wall, take out
Pump and wall help straight device three organic coordination.When the submergence depth of wall is smaller, and stratum resistance it is little when, can be with
Do not need the punching of wall bottom to take out the cooperation of technique, wall section is directly pressed into the soil body using static pressure machinery and erection device.
Two intersegmental connections of coercion underground continuous wall are realized by prefabricated concaveconvex structure, concaveconvex structure from it is suitable for reading to
The upper end of wall section sinking cutting shoe, wall section is suitable for reading to be set connection and takes off board slot, and convex side lower part sets groove with being oriented to steel pipe lower end chuck snapping.
Except concaveconvex structure connected mode of the present invention, the intersegmental connection of pre-cast concrete walling can also use other modes, all
Such as carve mouth connection, steel plate overlap joint etc..
Sink in place etc. whole wall sections and after linking into an integrated entity, reply wall bottom compressed water slurry, cement mortar can pass through ground
Passage press-in stratum and wall space, each wall section of layer flush water set pressure grouting passage in the cavity of both sides, wait to be pressed into
Cement slurry volume or pressure reach design load, or wall section has and can stop being in the milk during floating trend.Grout cures to be implanted, use
Concrete tamps wall section cavity.Guiding steel pipe is reclaimed simultaneously, and to irrigating pea gravel concreten closing in the convex side pilot hole of wall section.
Wall section upper end reserves part vertical applied force reinforcing bar, and termination jumping-up cutting thread, waits and is fixedly connected with whole wall sections
Afterwards, hoisting prefabricated capping beam, the joint face of capping beam should be selected at the middle part of wall section without empty cavity position, and prefabricated capping beam is in wall
Section and reserved connection reinforcement location set preformed hole, connection reinforcing bar are passed through into deck-molding, nut will bear down on one and tighten on top.
Concrete technical scheme is as follows：
1) according to the functional requirement of geologic information and diaphram wall, the depth H of diaphram wall is determined；Wall is coagulation
Soil structure component, typically desirable strength grade of concrete is C50~C80；Water and soil lateral pressure distribution and internal support under base area
Condition determines thickness of wall body W；Meanwhile whether the waterproof ability for verifying wall meets groundwater pressure condition.
2) wall reinforcement is designed according to the loading condition under diaphram wall difference working condition, general wall sets two row's steel
Muscle；It should strengthen arrangement of reinforcement in wall bumps both sides and both sides static pressure sinking clamp area；Needed in a part for wall vertical reinforcement
Upper end reserves one section of reinforcing bar being connected with capping beam, and in steel bar end threading；According to static(al) mechanism condition and
Lifting requirements design local structure arrangement of reinforcement and built-in hanger.
3) wall section internal cavity is designed, wall section internal cavity, which can play, mitigates dry wall section weight, the effect of convenience in transport, together
When also broken ground and casting leaves operating space for wall section sinking watching Intermediate High Pressure water.Cavity is not more than 1/3 wall in wall thickness direction
Thickness, cavity interval are not less than twice of wall thickness, and the cavity of each wall section is no less than 2.
The bottom of wall section is cutting shoe part, and cutting shoe sets to reduce lower pressure resistance, is not easy down when stratum is harder
Steel plate can be covered when heavy in the end surface of cutting shoe；Pressure water distribution passages are set in cutting shoe, water under high pressure is empty by being arranged in wall section
The steel pipe of chamber is provided, and the water under high pressure delivery port opened a row and wash away stratum in direction is moved towards along wall section in cutting shoe, and its spacing is not more than
1.0m, orifice diameter are not more than 30mm, and are set in aperture and unidirectionally go out manhole cover, in case muddy water leads into water under high pressure when wall sinks
Road；2~3 mudholes are opened up in each wall section, mudhole aperture is not less than 100mm, and is communicated with wall internal cavity.
When the depth of diaphram wall is larger, wall section can not prefabricated, transport, lifting when, can be by dry wall section along depth side
To points some sections, segmentation is prefabricated, and segmentation is sunk, and in middle each section upper and lower end face pre-embedded steel slab, section is with intersegmental using direct
The method of welding is connected.
4) wall section both sides use concave-convex connection structure, and attachment structure sentences horizontal reinforcement as main steel bar stress；Convex side
Groove is designed on lower surface, is interlockingly connected with being oriented to steel pipe lower end chuck, chuck is arranged on wall section concave side cutting shoe upper surface.Convex side
Width q is not less than 250mm, and horizontal reinforcement is laid along convex ring, and spacing is not more than 150mm, takes convex side protrusion length p≤q；
The flank thickness r on concave side both sides is not less than 100mm, and double arrangement of reinforcement should be used as r >=150mm；The horizontal force of concavo-convex both sides
Reinforcing bar all should stretch into the anchoring of main body wall section, the anchorage length of the not small current design criteria tension reinforcement of anchorage length.
5) it is oriented to using the guiding steel pipe being installed on wall section concave side cutting shoe upper surface when wall section is sunk, is passed through simultaneously
Changing sensor coordinates analysis program to monitor the horizontality that wall section is sunk in real time, and its changing sensor is laid in steel pipe inner wall pair
Claim on axis, and signal wire is drawn along on the inside of steel pipe, be oriented to steel pipe by screw thread spreading, lower end and the reverse snapping of chuck (with
Steel pipe spreading screw thread is reverse, when steel pipe spreading will not lower port loosen, after wall section sink be connected after, recyclable guiding steel
Used in the follow-up connection of pipe)；The prefabricated pilot hole in the convex side of wall section, with being oriented to steel pipe socket, it is oriented to aperture and should be greater than being oriented to outer diameter of steel pipes
More than 50mm.
6) to make each wall section form an entirety, it is unlikely to be defeated in detail under the effect of outside Water And Earth Pressures, in wall section
Upper setting prefabricating coping beam, the beam length that bears down on one is as consistent as possible, and the joint face of beam should be placed to the cavity interval with wall section.Beam
Desirable 300mm~the 600mm of height, deck-siding take equal with wall section thickness, and beam is connected with wall section by wall section reserved steel bar suitable for reading, is pressed
Among back timber cavity can be also set with wall section cavity correspondence position.
When designed diaphram wall depth less (<15m), also may be used when each wall section connection is reliably and formation condition is preferable
Not set capping beam.
7) wall section and other component and fittings are completed in pre-fabricated factory by design and is transported to job site, constructed
Scene is drawn the position of wall by the trends of design of diaphram wall on ground first, and presses existing construction of diaphragm wall
Process is the same, is equal to or slightly greater than wall section thickness with excavator construction guidance groove, guide groove span width first, depth is more than wall section
More than cutting shoe height 300mm, and with concrete carry out groove fore shaft, hardening construction machinery Active workings.
8) one or several wall sections are lifted by crane, in vertical placement and guide groove, while guiding steel pipe are installed；The two of wall section
One fluid pressure type static pressure machinery of each laying is held, the wall section grip block of static pressure machinery should avoid the concavo-convex end of wall section both sides, in wall section
The machinery of a righting wall section is at least laid at middle part, to ensure that wall section work progress keeps perpendicular to the ground.
9) static pressure machine is started, both sides synchronously push wall section, and synchronous spreading is oriented to steel pipe；When being pressed with difficulty instantly, start high
Sluicing system and pressure is pressed to inhale mud system, that assists wall section pushes sedimentation.When wall section will reach projected depth, stop
Sluicing system, make wall in place by static-pressure system, while adjust both sides volume under pressure, make wall section keep level.
10) after two neighboring wall section is sunk in place, recovery is oriented to steel pipe, is connected on card and takes off plate.
11) discharge pipeline cast-in-place concrete, when diaphram wall waterproof requirement is high and total bearing capacity requires high, wall are passed through
Section cavity and the convex side pilot hole of wall section are all mixed with prefabricated as far as possible with cast-in-place concrete filling, the strength grade of concrete of filling
Native intensity is coagulated to approach.
12) by reserved slip casting and high pressure aquaporin to wall circumferential pressure slip casting, all connections in filled wall
Gap and the space with ground interlayer.
13) capping beam is installed, diaphram wall is linked to be an entirety.
Specific embodiments of the present invention are as follows：
Now with diaphram wall depth H=20m of gib, wall thickness W=600mm, wall section effective length B=10m
Exemplified by, illustrate specific embodiments of the present invention, the diaphram wall of other situations can refer to implementation.
1) it is C60 to take strength grade of concrete；The waterproof ability of verification wall meets groundwater pressure condition.
2) wall reinforcement is designed according to loading condition, if two placing of reinforcements, using vertical reinforcement as main steel bar stress 5, often arranged
Upper end spacing 2m reserves a reinforcing bar being connected with capping beam, and connects screw thread in steel bar end；The connection reinforcing bar that two rows reserve
Flower arrangement arrangement, wall section set 4 suspension centres i.e. hoisting ring 8 uniformly, each hoisting point position design local structure arrangement of reinforcement and built-in hanger, often
The design load of individual suspension centre is that 1/4 gravity load adds the combination of lifting temporary load(ing), by existing relevant design Specification Design.Such as
Shown in Fig. 2,6 be the horizontal longitudinal reinforcement of wall section, and 7 be wall section horizontal cross reinforcing bar, and 10 be that board slot is taken off in the intersegmental connection of wall.
3) 4 cavitys 4 are set in wall section, and uniformly, each cavity is 200mm in wall thickness direction, the long 1500mm of cavity, cavity
Both sides spacing 1000mm.
Pressure water distribution passages are set in cutting shoe, high-pressure water pipe 20 takes external diameter 50mm seamless steel pipe, is set in exit special
Water-jet flow pattern nozzle, and with being unidirectionally sealed function, i.e., be normally off when not spraying water；10 shower nozzles are set altogether；Wall section sets 3
Mudhole, substantially uniformly, the caliber of discharge pipeline 22 take Ф >=100mm steel pipes to be communicated with surface mud pump.
Because diaphram wall depth is larger, for wall section along 2 sections of prefabricated, every section of deep 10m of depth direction point, segmentation is prefabricated, divides
Section is sunk, and the doughnut-shaped steel plate flange along wall section surrounding is set in the upper surface of the lower end of epimere and hypomere, by the vertical reinforcement of wall section
On welding and steel plate, 45 ° of grooves are cut in the wide 180mm of steel plate flange, thickness 20mm, upper and lower wall section junction steel plate outside,
Upper and lower wall section can form outside 90 ° of opening after bonding, the effect welded with raising, concrete cover on the outside of junction steel plate
Thickness takes 10mm.
4) wall section both sides use concave side 2 and the attachment structure of convex side 3, take the concave side wing wide r=150mm, length p=250mm, the wing
Portion's sponson also uses double arrangement of reinforcement, and horizontal reinforcement diameter takes 20mm annular configurations, spacing 150mm；Convex side is also with horizontal steel
Muscle is main steel bar stress, and diameter is identical with spacing with concave side, convex side width q=300mm, is oriented to aperture and takes e=100mm, convex
Side lower surface sets diameter 150mm, and depth 60mm link slot and concave side guiding steel pipe chuck 11, which interlocks, to be socketed, and chuck uses steel
System, external diameter take 140mm, and inner side is connected using reverse trapezoidal thread with being oriented to steel pipe, under when wall section is prefabricated, chuck is embedded in advance
On the upper surface of portion's cutting shoe 9, convex height 50mm；Interposition in wall section both sides joint face upper end installs steel and takes off plate link slot 10,
Link slot periphery, which locally increases, matches somebody with somebody distributing bar, and especially encryption even sockets reinforcing bar 7 in the wall section of groove both sides, wall section connection steel takes off plate
Thickness be taken as t=20mm, take steel to take off plate and take off plate net half across j=150mm, take steel to take off plate overall length L=500mm, total high h=
260mm, the high k=100mm in net section, effective snapping height m=80mm, as shown in fig. 7, the steel of wall section both sides connection takes off board slot
By this size design, ensure that steel takes off the energy of plate 14 completely in card entry slot.The connected mode of wall section upper end is as shown in figure 4,12 be wall section
Between linkage interface, 13 be pilot hole in filling pea gravel concreten.
5) during the right angle corner of underground connection wall, the connection intersegmental with wall can use similar method, as shown in figure 12, its
Its connection angle can also be handled with similar fashion.
6) length of precast concrete capping beam 16 takes 10m, the joint face of beam place with wall section 1/2.Deck-molding takes 500mm,
Deck-siding is equal to wall section thickness, and capping beam centre also sets cavity with wall section cavity correspondence position.As shown in figure 5,15 be that capping beam connects
Junction.
7) wall section and other component and fittings are completed in pre-fabricated factory by design and is transported to job site, and need to
The high-pressure water pipe and discharge pipeline and the guiding penstock installation of wall section female end that be arranged in cavity are in place；By setting for diaphram wall
Meter trend draws guide groove position on ground, and with excavator construction guidance groove, the span width of guide groove 17 takes 650mm, slightly larger
In wall section width, depth takes 800mm, and fore shaft, the hardening construction machinery Active workings of groove are carried out with C30 concrete.
8) by certain wall section lower semisection (section where cutting shoe) lifting, cutting shoe place vertically downwards with guide groove 17, in wall section
The centering guide machine 19 of 2 righting wall sections is at least laid at middle part, is respectively laid a fluid pressure type static pressure machinery 18 at the both ends of wall section, is being helped
Positive machinery by the control of wall section for it is perpendicular to the ground when, the linkage operation of both ends static pressure machinery, wall section is pressed into soil.Such as Fig. 8 and Fig. 9 institutes
Show.Analysis program is coordinated to monitor the horizontality that wall section is sunk in real time by changing sensor simultaneously, as shown in figure 11,25 be to lead
To steel pipe connection joint, 26 be changing sensor.
9) when being pressed with difficulty instantly, start high pressure flushing system and pressure inhales mud system, that assists wall section pushes sedimentation.
Instantly when wall section upper surface from earth's surface is 1m or so, static pressure machinery stops pushing operation, adjusts, controls together with centralising mechanical
The wall section upper semisection is lifted by crane, is connected on lower semisection, while connect the pipe in whole wall sections by levelness and perpendicularity, lifting machine
Line, then connected with spot welding mode, after all control size reaches design requirement, at upper and lower intersegmental junction steel plate groove
All weldering is full；Continue to push after cooling down etc. all weld seams wall section up to projected depth still have 0.5m or so when, stop sluicing system
System, the top pressure wall section to match with static pressure machine is placed, remove centralising mechanical, volume under pressure is adjusted by static-pressure system by both sides, makes wall
Body is in place.As shown in Figure 10,20 be high-pressure water pipe and water (flow) direction, and 21 be the water jet of ejiction opening, and 22 be discharge pipeline, and 23 be mud
Water flow direction.
10) after two wall sections are sunk in place, after reaching design size by lifting machine and static pressure machinery control wall section, then
Plate is taken off in connection on the card of upper end；Next wall section is pushed again, so circulation, whole wall sections are sunk and connected to finishing.
11) slush pump and ground discharge pipeline are removed, fills into pre-cast concrete walling section discharge pipeline and is arranged in concrete block wall
Mud passage, when diaphram wall is not as good and all structure is descended, only makees sealing in wall section cavity, individually transfer coagulation
Native delivery pipe, 1m height concrete is poured as wall section back cover in wall section cavity lower end, and the pilot hole of the convex side of wall section is irrigated
Concrete.
12) by high pressure aquaporin to wall circumferential pressure slip casting, grouting pressure is controlled in 3~5MPa, while monitors wall
Body absolute altitude, find to lift on wall, stop slip casting immediately；Pass through company all in pre-buried wall section both sides slip casting passage filled wall
Border face 12 and the space with ground interlayer, grouting pressure controlling value are 5MPa.
13) the wall top face absolute altitude of diaphram wall is measured, is allowed to be consistent, capping beam is installed, diaphram wall is connected
Into an entirety.
14) this diaphram wall is only used as gib, after construction operation is fully completed within the walls, by capping beam and can lead
Stay and use it for anything else to steel pipe recovery.
For the diaphram wall of other purposes, the contrary sequence method ground-connecting-wall unified such as two walls, the grating type of pier footing
Even wall etc., it can refer to the present invention program processing.
This invention makes wall using assembly concrete technology first, due to industrialized production, concrete quality
It can significantly be improved, while also solve the problems, such as wall leakage water, the construction of ground-connecting-wall uses the static pressure of wall
Waterpower, which fetches earth, under heavy and wall is combined, it is not necessary to and using the process of mud off, the water and soil directly taken out is easy to be separated,
Influence to environment is greatly reduced.Simultaneously using the technology of the present invention, it can significantly accelerate site operation speed, can also push away
Dynamic underground engineering moves towards the industrialization the epoch.
Claims (10)
- A kind of 1. assembly concrete continuous underground wall structure, it is characterised in that：It is described prefabricated mixed including pre-cast concrete walling section Solidifying cob wall section includes the wall section on top and the wall section sinking cutting shoe of bottom, and wall is intersegmental to be connected by attachment structure；It is vertical in the wall section to be provided with least two cavitys, it is provided with one of cavity and is used for the press water that high pressure water breaks ground Pipe, the interior discharge pipeline being provided with for spoil disposal water of a cavity, the penstocks are connected with high-pressure hydraulic pump, the discharge pipeline and mud Stock pump connects；Direction is being moved towards provided with water under high pressure water outlet of the row for washing away stratum along wall section in the wall section sinking cutting shoe Mouthful, the water under high pressure water outlet is provided with the water-jet flow pattern nozzle with one-way sealing function, and the water-jet flow pattern nozzle passes through The pressure water distribution passages being arranged in wall section sinking cutting shoe connect with penstocks, are further opened with the wall section sinking cutting shoe The mudhole of up/down perforation, the mudhole and is provided with the cavity of discharge pipeline and face and connects up and down in wall section；The built-in hanger for being easy to lifting is embedded with the upper surface of each wall section.
- A kind of 2. assembly concrete continuous underground wall structure as claimed in claim 1, it is characterised in that：The attachment structure Plate, annular chuck are taken off including steel and is removably oriented to steel pipe, and the wall section is respectively arranged on the left side and the right side connection concave side and company Convex side is connect, the connection concave side for connecting convex side wall section adjacent thereto of the wall section is engaged clamping, and the connection of the wall section is convex Side is provided with groove along being vertically provided with pilot hole and its lower end, and the wall section cutting shoe below the connection concave side of the wall section is provided with ring Shape chuck, the outer ring of the annular chuck are connected in the groove of the convex side lower end of connection of adjacent wall section, and the guiding steel pipe is certainly It is put under above in pilot hole and its lower end is connected in the inner ring of annular chuck；Plate is taken off by steel between the upper surface of the connection concave side of the upper surface of the convex side of connection of wall section wall section adjacent thereto Connection.
- A kind of 3. assembly concrete continuous underground wall structure as claimed in claim 1 or 2, it is characterised in that：The underground Continuous wall construction also includes prefabricating coping beam, and the prefabricating coping beam is arranged in wall section and the deck-siding of prefabricating coping beam and wall section Thickness is equal, and the joint face between prefabricating coping beam is located at the cavity interval of wall section.
- A kind of 4. assembly concrete continuous underground wall structure as claimed in claim 1 or 2, it is characterised in that：The wall section Sectional is prefabricated, including upper wall section and lower wall section, and the upper end of the lower end of upper wall section and lower wall section is distinguished pre-embedded steel slab and mutually welded Connect.
- A kind of 5. assembly concrete continuous underground wall structure as claimed in claim 1 or 2, it is characterised in that：The wall section Both sides be preset with vertical and horizontal direction independence grouting pipe system for being used to the intersegmental junction grouting seal water of wall, The upper port of grouting pipe system can be connected with grouting pump, and preset 2~3 horizontal grouting outlet openings along wall section depth direction.
- A kind of 6. assembly concrete continuous underground wall structure as claimed in claim 1 or 2, it is characterised in that：The wall section Cavity be not more than 1/3 wall thickness in wall section thickness direction, the cavity interval of wall section is not less than twice of wall thickness.
- A kind of 7. assembly concrete continuous underground wall structure as claimed in claim 2, it is characterised in that：The guiding steel pipe Interior to be provided with the changing sensor for being used for monitoring the horizontality that wall section is sunk in real time, the changing sensor is laid in guiding steel pipe On the inwall axis of symmetry.
- A kind of 8. assembly concrete continuous underground wall structure as claimed in claim 3, it is characterised in that：Set in the wall section There are two row's vertical applied force reinforcing bars, often connected between row's vertical applied force reinforcing bar by horizontal longitudinal reinforcement, two row's vertical applied force reinforcing bars Between pass through horizontal cross bar connecting；The prefabricating coping beam, which is provided with, is used for the reinforcing bar preformed hole that reinforcing bar passes through, and often arranges the upper end spacing 2m of vertical applied force reinforcing bar Left and right, which reserves a reinforcing bar being connected with prefabricating coping beam and got on the bus in the termination of the reinforcing bar, external screw thread, and car has externally threaded steel Muscle is spirally connected through the reinforcing bar preformed hole of prefabricating coping beam with nut from bottom to top.
- A kind of 9. assembly concrete continuous underground wall structure as claimed in claim 4, it is characterised in that：The prefabricating coping Cavity corresponding position among beam with wall section also is provided with cavity.
- A kind of 10. assembly concrete construction of diaphragm wall technique as claimed in claim 1, it is characterised in that：Including such as Lower step：1) according to the depth of diaphram wall, thickness of wall body pre-cast concrete walling section, meanwhile, verify wall waterproof ability whether Meet groundwater pressure condition；When the depth of diaphram wall is larger, wall section can not prefabricated, transport, lifting when, can be by pre-cast concrete walling section along depth Direction points some sections, segmentation is prefabricated, and segmentation is sunk, and in middle each section upper and lower end face pre-embedded steel slab, section is with intersegmental using straight The method for connecing welding is connected；2) position of wall is drawn on ground by the trends of design of diaphram wall, first with excavator construction guidance groove, One or several wall sections are lifted by crane, are vertically placed in guide groove, while guiding steel pipe is installed；One is respectively laid at the both ends of wall section Platform fluid pressure type static pressure machine, the wall section grip block of static pressure machine should be avoided the concavo-convex end of wall section both sides, one at least being laid in the middle part of wall section The machinery of platform righting wall section, to ensure to keep perpendicular to the ground in wall section work progress；3) static pressure machine is started, both sides synchronously push wall section, are oriented to using steel pipe is oriented to, and synchronous spreading is oriented to steel pipe；Simultaneously The horizontality that monitoring wall section is sunk in real time is coordinated by changing sensor；When being pressed with difficulty instantly, start high-pressure hydraulic pump and mud Stock pump, that assists wall section pushes sedimentation；When wall section will reach projected depth, stop high-pressure hydraulic pump, wall is made by static pressure machine Body is in place, while adjusts both sides volume under pressure, makes wall section keep level；4) after two neighboring wall section is sunk in place, recovery is oriented to steel pipe, and steel takes off plate on card；5) discharge pipeline cast-in-place concrete, fixed wall section cutting shoe part and wall pars infrasegmentalis are passed through；When diaphram wall waterproof requirement is high And total bearing capacity, when requiring high, the pilot hole of wall section cavity and wall section connection nose is filled all with cast-in-place concrete filling Strength grade of concrete approached as far as possible with precast concrete intensity；6) by reserved slip casting and high pressure aquaporin to wall circumferential pressure slip casting, in filled wall all connection gaps and With the space of ground interlayer；7) prefabricating coping beam is installed, diaphram wall is linked to be an entirety；As the designed little 15m of diaphram wall depth, can not also be set when each wall section connection is reliable and formation condition is preferable Prefabricating coping beam.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108589971A (en) * | 2018-07-25 | 2018-09-28 | 哈尔滨工业大学 | A kind of closed-section steel deck combined concrete shear wall connecting node and production method |
| CN110359525A (en) * | 2019-06-20 | 2019-10-22 | 河海大学 | A kind of static-pressure precast assembled pond and its method of construction |
| CN110387903A (en) * | 2019-07-10 | 2019-10-29 | 台州长天能源技术有限公司 | Sedimentation construction underground structure method product facility |
| CN111549762A (en) * | 2020-04-24 | 2020-08-18 | 中国建筑股份有限公司 | Continuous wall collapse-preventing pouring template suitable for soft soil area and construction method |
| CN113123362A (en) * | 2021-04-15 | 2021-07-16 | 深圳市市政设计研究院有限公司 | Design and construction method for side wall with fabricated underground diaphragm wall serving as main structure |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE1005755A3 (en) * | 1992-03-31 | 1994-01-18 | Hydro Soil Servicessa | Method and device for attaching reinforcements in a quay wall from thewaterside |
| JPH07305344A (en) * | 1994-05-12 | 1995-11-21 | Nkk Corp | Segment for continuous underground steel wall and method for constructing continuous underground steel wall |
| JP2003027462A (en) * | 2001-07-16 | 2003-01-29 | Sumitomo Constr Co Ltd | Construction method of underground continuous wall, and construction method of underground structure |
| CN101285307A (en) * | 2008-06-04 | 2008-10-15 | 广东省建筑工程集团有限公司 | Technology for building thin concrete underground diaphragm wall with widen type water jetting method |
| CN201567566U (en) * | 2009-12-16 | 2010-09-01 | 中煤第三建设（集团）有限责任公司 | Precast assembled prestress underground continuous wall |
| JP2011122386A (en) * | 2009-12-14 | 2011-06-23 | Toda Constr Co Ltd | Method of construction of underground structure, underground structure, and precast concrete side wall or intermediate wall/column for the same |
| CN102797264A (en) * | 2012-08-31 | 2012-11-28 | 刘忠池 | Construction method for joints of underground continuous walls |
| CN102943486A (en) * | 2012-10-30 | 2013-02-27 | 福州市第三建筑工程公司 | Precast pressed-in underground continuous wall and construction method thereof |
| JP2013100712A (en) * | 2011-10-13 | 2013-05-23 | Osyu Kiso Kogyo Co Ltd | Wall construction method and hollow pile used for the same |
| CN203498862U (en) * | 2013-07-27 | 2014-03-26 | 廖河山 | Semi-prefabricated semi-cast-in-situ underground continuous wall |
| CN103835283A (en) * | 2014-03-25 | 2014-06-04 | 东南大学 | All-wet-joint precast prestressed underground continuous wall and construction method thereof |
| CN106284304A (en) * | 2016-08-09 | 2017-01-04 | 上海市机械施工集团有限公司 | A kind of pre-manufactured steel casing diaphram wall and construction method thereof |
| CN106555395A (en) * | 2016-12-15 | 2017-04-05 | 岩土科技股份有限公司 | A kind of assembled underground continuous wall and construction method |
| CN106836236A (en) * | 2017-02-24 | 2017-06-13 | 张继红 | A kind of ultra-deep steel pipe concrete continuous underground wall structure and its construction method |
| CN207512725U (en) * | 2017-11-16 | 2018-06-19 | 浙江杰立建设集团有限公司 | A kind of assembly concrete continuous underground wall structure |
-
2017
- 2017-11-16 CN CN201711136971.9A patent/CN107700475B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE1005755A3 (en) * | 1992-03-31 | 1994-01-18 | Hydro Soil Servicessa | Method and device for attaching reinforcements in a quay wall from thewaterside |
| JPH07305344A (en) * | 1994-05-12 | 1995-11-21 | Nkk Corp | Segment for continuous underground steel wall and method for constructing continuous underground steel wall |
| JP2003027462A (en) * | 2001-07-16 | 2003-01-29 | Sumitomo Constr Co Ltd | Construction method of underground continuous wall, and construction method of underground structure |
| CN101285307A (en) * | 2008-06-04 | 2008-10-15 | 广东省建筑工程集团有限公司 | Technology for building thin concrete underground diaphragm wall with widen type water jetting method |
| JP2011122386A (en) * | 2009-12-14 | 2011-06-23 | Toda Constr Co Ltd | Method of construction of underground structure, underground structure, and precast concrete side wall or intermediate wall/column for the same |
| CN201567566U (en) * | 2009-12-16 | 2010-09-01 | 中煤第三建设（集团）有限责任公司 | Precast assembled prestress underground continuous wall |
| JP2013100712A (en) * | 2011-10-13 | 2013-05-23 | Osyu Kiso Kogyo Co Ltd | Wall construction method and hollow pile used for the same |
| CN102797264A (en) * | 2012-08-31 | 2012-11-28 | 刘忠池 | Construction method for joints of underground continuous walls |
| CN102943486A (en) * | 2012-10-30 | 2013-02-27 | 福州市第三建筑工程公司 | Precast pressed-in underground continuous wall and construction method thereof |
| CN203498862U (en) * | 2013-07-27 | 2014-03-26 | 廖河山 | Semi-prefabricated semi-cast-in-situ underground continuous wall |
| CN103835283A (en) * | 2014-03-25 | 2014-06-04 | 东南大学 | All-wet-joint precast prestressed underground continuous wall and construction method thereof |
| CN106284304A (en) * | 2016-08-09 | 2017-01-04 | 上海市机械施工集团有限公司 | A kind of pre-manufactured steel casing diaphram wall and construction method thereof |
| CN106555395A (en) * | 2016-12-15 | 2017-04-05 | 岩土科技股份有限公司 | A kind of assembled underground continuous wall and construction method |
| CN106836236A (en) * | 2017-02-24 | 2017-06-13 | 张继红 | A kind of ultra-deep steel pipe concrete continuous underground wall structure and its construction method |
| CN207512725U (en) * | 2017-11-16 | 2018-06-19 | 浙江杰立建设集团有限公司 | A kind of assembly concrete continuous underground wall structure |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108589971A (en) * | 2018-07-25 | 2018-09-28 | 哈尔滨工业大学 | A kind of closed-section steel deck combined concrete shear wall connecting node and production method |
| CN110359525A (en) * | 2019-06-20 | 2019-10-22 | 河海大学 | A kind of static-pressure precast assembled pond and its method of construction |
| CN110359525B (en) * | 2019-06-20 | 2020-10-02 | 河海大学 | Static pressure prefabricated assembled water pool and construction method thereof |
| CN110387903A (en) * | 2019-07-10 | 2019-10-29 | 台州长天能源技术有限公司 | Sedimentation construction underground structure method product facility |
| CN111549762A (en) * | 2020-04-24 | 2020-08-18 | 中国建筑股份有限公司 | Continuous wall collapse-preventing pouring template suitable for soft soil area and construction method |
| CN111549762B (en) * | 2020-04-24 | 2021-07-20 | 中国建筑股份有限公司 | Construction method of continuous wall collapse-preventing pouring template suitable for soft soil area |
| CN113123362A (en) * | 2021-04-15 | 2021-07-16 | 深圳市市政设计研究院有限公司 | Design and construction method for side wall with fabricated underground diaphragm wall serving as main structure |
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