CN114164860A - Sinking frame foundation, ground prefabrication equipment thereof and sinking device - Google Patents
Sinking frame foundation, ground prefabrication equipment thereof and sinking device Download PDFInfo
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- CN114164860A CN114164860A CN202111226216.6A CN202111226216A CN114164860A CN 114164860 A CN114164860 A CN 114164860A CN 202111226216 A CN202111226216 A CN 202111226216A CN 114164860 A CN114164860 A CN 114164860A
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- 238000009417 prefabrication Methods 0.000 title claims description 14
- 230000002787 reinforcement Effects 0.000 claims abstract description 38
- 238000010276 construction Methods 0.000 claims abstract description 36
- 238000009434 installation Methods 0.000 claims abstract description 6
- 238000009415 formwork Methods 0.000 claims description 33
- 239000011435 rock Substances 0.000 claims description 23
- 239000002689 soil Substances 0.000 claims description 23
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 239000000725 suspension Substances 0.000 abstract description 3
- 238000009435 building construction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
- E02D29/05—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them at least part of the cross-section being constructed in an open excavation or from the ground surface, e.g. assembled in a trench
- E02D29/055—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them at least part of the cross-section being constructed in an open excavation or from the ground surface, e.g. assembled in a trench further excavation of the cross-section proceeding underneath an already installed part of the structure, e.g. the roof of a tunnel
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/08—Sinking workpieces into water or soil inasmuch as not provided for elsewhere
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/01—Flat foundations
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/08—Dredgers; Soil-shifting machines mechanically-driven with digging elements on an endless chain
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/08—Dredgers; Soil-shifting machines mechanically-driven with digging elements on an endless chain
- E02F3/12—Component parts, e.g. bucket troughs
- E02F3/14—Buckets; Chains; Guides for buckets or chains; Drives for chains
- E02F3/143—Buckets; Chains; Guides for buckets or chains; Drives for chains chains; chain links; scraper chains
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/08—Dredgers; Soil-shifting machines mechanically-driven with digging elements on an endless chain
- E02F3/12—Component parts, e.g. bucket troughs
- E02F3/14—Buckets; Chains; Guides for buckets or chains; Drives for chains
- E02F3/145—Buckets; Chains; Guides for buckets or chains; Drives for chains drives
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/0007—Base structures; Cellars
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/0007—Base structures; Cellars
- E04B1/0015—Cellars constructed from prefabricated units
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0007—Production methods using a mold
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
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Abstract
The invention discloses a sunk frame foundation, ground prefabricating equipment and a sinking device thereof, and relates to the technical field of underground building construction.A construction site comprises a basement, movable prefabricating equipment and a sinking device, wherein the basement comprises a sunk frame foundation which consists of a plurality of sunk wall foundations, each sunk wall foundation is a wall integrating three walls, namely a strip foundation, an underground continuous wall and a structural outer wall of the basement, the wall is poured on the ground through the prefabricating equipment, a foundation pit is not dug by the sinking device and is directly sunk to a designed depth integrally, and the wall comprises a reinforcement cage; the prefabricated equipment includes the template device, during prefabricated wall, at the subaerial installation template device of the horizontal position top of the heavy frame foundation that treats the construction, the device that sinks includes chain cutter excavating gear and the cable suspension device who is located heavy frame foundation top, and chain cutter excavating gear excavates the ground of wall bottom, and the chain cutter includes the chain and installs the sword of excavating the ground on the chain, and the chain runs on the guide rail, and the chain cutter passes through roof-rack envelope wall.
Description
Technical Field
The invention relates to the technical field of underground building construction, in particular to a sinking frame foundation, ground prefabricating equipment and a sinking device thereof.
Background
The existing large-scale underground building is constructed by an open cut method, the open cut method needs to firstly open a foundation pit for supporting and lowering water, then the underground building is poured or assembled in the foundation pit, the process is complex, the cost is high, the construction period is long, and the construction method is large for surrounding high-rise buildings.
The existing underground building sinks integrally and sinks by means of self weight, the self weight of the existing underground building is completely pressed on a chain cutter at the bottom, the chain cutter is easy to break, and the driving power is greatly increased; the inclination is easy to generate during descending, and the deviation is difficult to correct; the descending speed, namely the feed amount, can not be controlled, the sinking speed is in an out-of-control state, and the cutter head is easy to wear.
Disclosure of Invention
In view of the problems in the prior art, the present invention is directed to a sinking frame foundation and a ground prefabricating apparatus and a sinking device thereof, which solve the above mentioned problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the construction site comprises a basement, a movable prefabricated device and a sinking device, wherein the basement comprises a sinking frame foundation, the sinking frame foundation consists of a plurality of sinking wall foundations, each sinking wall foundation is a wall integrating a strip foundation under the wall of the basement, an underground continuous wall and a structural outer wall, the wall is poured on the ground through the prefabricated device, a foundation pit is not dug by the sinking device, the wall is directly and integrally sunk to the designed depth, and comprises a reinforcement cage; the prefabricated equipment comprises a template device, when the wall is prefabricated, the template device is installed on the ground above the horizontal position of the sinking frame foundation to be constructed, the reinforcement cage is placed in the template device, or the reinforcement cage is placed firstly and then the template device is installed, and then concrete is poured; the sinking device comprises a chain cutter digging device and a hanging device positioned at the top of the sinking frame foundation, the chain cutter digging device is used for digging rock soil at the bottom of the wall and comprises a chain cutter, a top frame and a guide rail, the chain cutter comprises a chain and a cutter installed on the chain and used for digging the rock soil, the chain runs on the guide rail, and the chain cutter is enveloped by the top frame; during the construction of sinking the wall, the cable suspension device hangs roof-rack and wall, and the chain sword of wall bottom excavates the ground, and the chain sword from bottom to top operation carries the ground that has excavated to the top, sinks frame foundation thereupon and sinks, sinks after target in place, takes out the chain sword, accomplishes the construction of sinking frame foundation.
The formwork device comprises side formworks, end formworks and a bottom formwork, wherein the side formworks, the end formworks and the bottom formwork are respectively positioned at two sides, two ends and the bottom of the wall.
The steel reinforcement cage include U type guide rail, U type guide rail is the component of guide rail, U type guide rail is located the bottom and the both sides of wall, also is the end die plate of end template and die block board structure as an organic whole simultaneously.
The sinking frame foundation comprises a foundation which is the bottom plate of the basement, and the foundation is constructed after the sinking frame foundation is sunk to a designed position and the rock soil in the basement is excavated.
The wall comprises box grooves at the connecting parts of the paper bases, part of reinforcement cages are arranged in the box grooves and comprise box covers, the box covers are removed after the wall is sunk in place, the peripheries of the reinforcement cages of the paper bases and the reinforcement cages in the box grooves are welded into a whole, then the paper bases are poured, and the space of the box grooves is filled with concrete.
The prefabricated device comprises a supporting plate, a base and a supporting rod, wherein the bottom of the template device is fixed on the base, the supporting plate is fixed on the ground and located on two sides of a wall, the base is fixed on the supporting plate and comprises a fixed interface, the supporting rod comprises a bottom end and a top end, the bottom end is connected with the fixed interface, and the top end is connected with the template device.
The hanging device comprises a steel strand hydraulic lifting jack, the steel strand hydraulic lifting jack adopts a core-penetrating structure hydraulic lifter as a lifting machine tool, wedge-shaped anchors at two ends of the hydraulic lifter have a one-way self-locking effect, when the anchors work, the steel strands can be automatically locked, when the anchors do not work, the steel strands are released, the steel strands can move up and down, the steel strand hydraulic lifting jacks synchronously and slowly lift, and the wall sinks under a hanging state. The offset is difficult to generate due to the huge dead weight of the self-body; when the wall is subjected to wall sinking construction, different geological conditions are met by controlling the descending speed of the hanging device.
The basement construction method mainly comprises the following steps:
1) the installation of the supporting plate and the base is completed above the horizontal position of the frame foundation on the construction site;
2) placing the reinforcement cage on the base, and fixedly connecting the bottoms of the templates on the two sides with the base into a whole;
3) connecting the bottom end of the support rod with the fixed interface, and connecting the top end of the support rod with the side template;
4) pouring concrete, and removing the side templates after a set time;
5) after the full maintenance period, mounting a top frame and a hanging device at the top of the wall, and hanging the wall by the hanging device through the top frame;
6) the base is drawn away, and the chain cutter excavating device is installed;
7) excavating rock soil at the bottom of the wall by the chain cutter, and after the frame foundation sinks in place, drawing out the chain cutter to complete the construction of the wall;
8) excavating rock soil in the sinking frame foundation to a set depth, and dismantling the box cover;
9) manufacturing a reinforcement cage with a foundation and welding the periphery of the reinforcement cage with the reinforcement cage in the box groove into a whole;
10) pouring a paper base;
11) and continuing the subsequent construction until the whole construction of the basement is completed.
The basement comprises a multi-layer basement.
In conclusion, the wall-sinking foundation is a three-in-one structure, an assembly type building is easy to adopt, a permanent top plate, a floor plate or a beam in an underground structure can be used as a support, a strip foundation under the wall is used for replacing a traditional pile foundation, a waterproof curtain can be further played, and the wall-sinking foundation is a foundation-pit-free and support-free rapid wall-sinking construction method.
The invention has the advantages that the sinking speed is controllable due to the addition of the hanging device, compared with the prior art: because the chain cutter is in a suspension state, the vertical force of the bottom pressing on the chain cutter is extremely small, so that the stress of the chain cutter is small, and the driving force is sharply reduced; because of multi-point hanging, the synchronous descending is easy to realize, the inclination can not be generated due to the huge dead weight, and the deviation rectification is not needed; because the descending speed is controllable, for different geological conditions, different feed amounts can be designed according to the requirements, namely different descending speeds, the cutter head is not worn, and the service life is greatly prolonged.
According to the invention, the mobile prefabricating equipment is used for pouring the main structure of the basement at the ground sinking construction point, the concrete meets the form removal requirement, the prefabricating equipment is removed, the sinking device is used for sinking the sinking frame foundation, the self weight of the sinking frame foundation is large, the position does not need to be moved, the sinking construction is carried out in situ, and the mobile prefabricating equipment is moved to the next operation point to continue pouring the main structure of the basement.
Drawings
Fig. 1 is a schematic view of a prefabricated assembly 1B pouring a main structure of a basement 1A at a construction site 1;
fig. 2 is a top view of fig. 1, also illustrating the formwork assembly 4 installed, the reinforcement cage 3-1 being placed within the formwork assembly 4 and the concrete structure being poured;
fig. 3 is a view a-a of fig. 2, also showing the construction of the sideforms 4-1 and the bottom form 4-3 constituting the form assembly 4;
FIG. 4 is a schematic view of the structure of the wall 3 supported on the ground by the supporting plate 1B-1, the base 1B-2 and the supporting rod 1B-3 after the formwork apparatus 4 is removed;
fig. 5 is a schematic structural view of the chain cutter excavating device 5 mounted on the wall 3 of the counter frame foundation 2;
FIG. 6 is a schematic view of the structure of the chain cutter 5-1;
fig. 7 is a schematic structural view of the sinking frame foundation 2, with the aid of the sinking device 1C, the chain cutter excavating device 5 excavating the rock soil at the bottom of the wall 3, and the hanging device 6 hanging the sinking frame foundation 2 from the top to control the speed of descending excavation;
FIG. 8 is a schematic structural view of the demolition chain cutter excavating device 5 after the wall foundation 2-1 is sunk in place, and is also a schematic structural view of a box groove 3-2 with a part of the reinforcement cage 3-1 therein, and a box cover 3-2-1 covering the reinforcement cage 3-1;
FIG. 9 is a schematic view of the construction form 2-2 with the cover 3-2-1 removed;
fig. 10 is a schematic structural view of the basement 1A being a two-story basement;
FIG. 1 shows a construction site; 1A is a basement; 1A1 is a strip foundation under a wall; 1A2 is underground diaphragm wall; 1A3 is a structural exterior wall; 1B is mobile prefabrication equipment; 1C is a sink device; 1B is prefabricated equipment comprising a bearing plate 1B-1, a base 1B-2 and a supporting rod 1B-3; 1B-1 is a support plate; 1B-2 is a base; 1B-2-1 is a fixed interface; 1B-3 is a support rod, comprising a bottom end 1B-3-1 and a top end 1B-3-2; 1B-3-1 is the bottom end; 1B-3-2 is the apical end; 2 is a frame foundation; 2-1 is a wall foundation; 2-2 is a pad; 3 is a wall; 3-1 is a reinforcement cage; 3U is a U-shaped guide rail; 3-2 is a box groove; 3-2-1 is a box cover; 4 is a template device which comprises a side template 4-1, an end template 4-2 and a bottom template 4-3; 4-1 is a sideform; 4-2 is an end template; 4-23 is an end bottom template with an integrated structure of an end template 4-2 and a bottom template 4-3; 5 is a chain cutter excavating device which comprises a chain cutter 5-1, a top frame 5-2 and a guide rail 5-3; 5-1 is a chain cutter, which comprises a chain 5-1-1 and a cutter 5-1-2 arranged on the chain 5-1-1 for excavating rock soil; 5-1-1 is a chain; 5-1-2 is a knife; 5-2 is a top frame; 5-3 is a guide rail; 6 is a hanging device; 6A is a steel strand hydraulic lifting jack.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Referring to fig. 1 to 10, in the embodiment of the invention, a construction site 1 includes a basement 1A, a movable prefabricated device 1B and a sinking device 1C, the basement 1A includes a sinking frame foundation 2, the sinking frame foundation 2 is composed of a plurality of sinking wall foundations 2-1, the sinking wall foundations 2-1 are three-in-one walls 3 integrating a strip foundation 1A1 under the wall of the basement 1A, an underground continuous wall 1A2 and a structural outer wall 1A3, the walls 3 are poured on the ground through the prefabricated device 1B, the sinking device 1C is used for directly and integrally sinking to a designed depth without digging a foundation pit, and the walls 3 include a reinforcement cage 3-1; the prefabricating equipment 1B comprises a template device 4, when the wall 3 is prefabricated, the template device 4 is installed on the ground above the horizontal position of the sinking frame foundation 2 to be constructed, the reinforcement cage 3-1 is placed in the template device 4, or the reinforcement cage 3-1 is placed firstly and then the template device 4 is installed, and then concrete is poured; the sinking device 1C comprises a chain cutter digging device 5 and a hanging device 6 positioned at the top of the sinking frame foundation 2, the chain cutter digging device 5 digs rock soil at the bottom of the wall 3 and comprises a chain cutter 5-1, a top frame 5-2 and a guide rail 5-3, the chain cutter 5-1 comprises a chain 5-1-1 and a cutter 5-1-2 which is arranged on the chain 5-1-1 and used for digging rock soil, the chain 5-1-1 runs on the guide rail 5-3, and the chain cutter 5-1 envelops the wall 3 through the top frame 5-2; during wall sinking construction, the hanging device 6 hangs the top frame 5-2 and the wall 3, the chain cutter 5-1 at the bottom of the wall 3 excavates rock soil, the excavated rock soil is conveyed to the upper part by the chain cutter 5-1 which runs from bottom to top, the sinking frame foundation 2 sinks along with the excavated rock soil, and after the sinking frame foundation sinks in place, the chain cutter 5-1 is pulled out, so that the construction of the sinking frame foundation 2 is completed.
It should be noted that: the frame foundation 2 can be integrally cast and sunk in the height direction, and can also be cast and sunk in sections.
The formwork device 4 comprises side formworks 4-1, end formworks 4-2 and bottom formworks 4-3, wherein the side formworks 4-1, the end formworks 4-2 and the bottom formworks 4-3 are respectively positioned at two sides, two ends and the bottom of the wall 3.
The reinforcement cage 3-1 comprises a U-shaped guide rail 3U, the U-shaped guide rail 3U is a component of a guide rail 5-3, the U-shaped guide rail 3U is positioned at the bottom and two sides of the wall 3, and is also an end bottom template 4-23 with an end template 4-2 and a bottom template 4-3 integrated.
The sinking frame foundation 2 comprises a foundation 2-2, the foundation 2-2 is a bottom plate of the basement 1A, and the foundation 2-2 is constructed after the sinking frame foundation 2 sinks to a designed position and the rock soil in the basement 1A is excavated.
It should be noted that: the counter-sunk foundation 2 is the foundation 2-2 with the strip foundation 1A1 under the wall.
The wall 3 comprises a box groove 3-2 at the connecting part of the foundation 2-2, a part of reinforcement cage 3-1 is arranged in the box groove 3-2 and comprises a box cover 3-2-1, after the wall 3 sinks to the right position, the box cover 3-2-1 is removed, the periphery of the reinforcement cage of the foundation 2-2 and the reinforcement cage 3-1 in the box groove 3-2 are welded into a whole, and then the foundation 2-2 is poured, so that the space of the box groove 3-2 is filled with concrete.
The prefabricating equipment 1B comprises a supporting plate 1B-1, a base 1B-2 and supporting rods 1B-3, the bottom of a template device 4 is fixed on the base 1B-2, the supporting plate 1B-1 is fixed on the ground and located on two sides of a wall 3, the base 1B-2 is fixed on the supporting plate 1B-1 and comprises a fixed interface 1B-2-1, the supporting rods 1B-3 comprise bottom ends 1B-3-1 and top ends 1B-3-2, the bottom ends 1B-3-1 are connected with the fixed interface 1B-2-1, and the top ends 1B-3-2 are connected with the template device 4.
The hanging device 6 comprises a steel strand hydraulic lifting jack 6A, the steel strand hydraulic lifting jack 6A adopts a core-penetrating structure hydraulic lifter as a lifting machine tool, wedge-shaped anchors at two ends of the hydraulic lifter have a one-way self-locking effect, when the anchors work tightly, the steel strands can be automatically locked, when the anchors do not work loose, the steel strands are released, the steel strands can move up and down, the steel strand hydraulic lifting jacks 6A synchronously and slowly lift, and the wall 3 sinks under a hanging state. The offset is difficult to generate due to the huge dead weight of the self-body; when the wall 3 is constructed by sinking, different geological conditions are satisfied by controlling the descending speed of the hanging device 6.
The basement 1A construction mainly comprises the following steps:
1) the installation of the support plate 1B-1 and the base 1B-2 is completed above the horizontal position of the frame foundation 2 of the construction site 1;
2) placing a reinforcement cage 3-1 on a base 1B-2, and fixedly connecting the bottoms of the two side formworks 4-1 with the base 1B-2 into a whole;
3) connecting the bottom end 1B-3-1 of the support rod 1B-3 with the fixed interface 1B-2-1, and connecting the top end 1B-3-2 with the side template 4-1;
4) pouring concrete, and removing the side template 4-1 after a set time;
5) after the full maintenance period, installing a top frame 5-2 and a hanging device 6 at the top of the wall 3, and hanging the wall 3 by the hanging device 6 through the top frame 5-2;
6) the base 1B-2 is drawn away to complete the installation of the chain cutter excavating device 5;
7) the chain cutter 5-1 excavates rock soil at the bottom of the wall 3, and after the sinking frame foundation 2 sinks in place, the chain cutter 5-1 is drawn out to complete the construction of the wall 3;
8) excavating rock soil in the sinking frame foundation 2 to a set depth, and removing the box cover 3-2-1;
9) making a reinforcement cage of the foundation 2-2, and welding the periphery of the reinforcement cage with the reinforcement cage 3-1 in the box groove 3-2 into a whole;
10) pouring a pad base 2-2;
11) and continuing the subsequent construction until the whole construction of the basement 1A is completed.
The basement 1A includes a multi-layer basement.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for the convenience of description of the present invention and for simplicity of description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the present invention should not be construed as being limited thereto, and it should be noted that the terms "mounted" and "connected" should be interpreted broadly, for example, as being able to be fixedly connected, detachably connected, or integrally formed, mechanically connected or indirectly connected through an intermediate, and the specific meaning of the terms in the invention can be understood through specific situations.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The frame foundation and the ground prefabrication equipment and the sinking device thereof are characterized in that a construction site (1) comprises a basement (1A), a movable prefabrication equipment (1B) and a sinking device (1C), the basement (1A) comprises a frame foundation (2), the frame foundation (2) consists of a plurality of wall foundations (2-1), the wall foundations (2-1) are wall-integrated walls (3) integrating a strip foundation (1A 1) under the wall of the basement (1A), an underground continuous wall (1A 2) and a structural outer wall (1A 3), the walls (3) are poured on the ground through the prefabrication equipment (1B), the sinking device (1C) is utilized to directly sink the whole foundation pit to the designed depth, and the walls (3) comprise a reinforcement cage (3-1); the prefabricating equipment (1B) comprises a template device (4), when the wall (3) is prefabricated, the template device (4) is installed on the ground above the horizontal position of the sinking frame foundation (2) to be constructed, the reinforcement cage (3-1) is placed in the template device (4), or the reinforcement cage (3-1) is placed firstly and then the template device (4) is installed, and then concrete is poured; the sinking device (1C) comprises a chain cutter digging device (5) and a hanging device (6) positioned at the top of the sinking frame foundation (2), the chain cutter digging device (5) excavates rock soil at the bottom of the wall (3) and comprises a chain cutter (5-1), a top frame (5-2) and a guide rail (5-3), the chain cutter (5-1) comprises a chain (5-1-1) and a cutter (5-1-2) which is installed on the chain (5-1-1) and used for excavating the rock soil, the chain (5-1-1) runs on the guide rail (5-3), and the chain cutter (5-1) envelopes the wall (3) through the top frame (5-2); during wall sinking construction, the hanging device (6) hangs the top frame (5-2) and the wall (3), the chain cutter (5-1) at the bottom of the wall (3) excavates rock soil, the chain cutter (5-1) which runs from bottom to top conveys the excavated rock soil to the top, the sinking frame foundation (2) sinks along with the excavated rock soil, and after the sinking is in place, the chain cutter (5-1) is pulled out to complete the construction of the sinking frame foundation (2).
2. The counter frame foundation and the ground prefabrication equipment and the sinking device thereof according to claim 1, wherein the formwork device (4) comprises side formworks (4-1), end formworks (4-2) and bottom formworks (4-3), and the side formworks (4-1), the end formworks (4-2) and the bottom formworks (4-3) are respectively positioned at two sides, two ends and the bottom of the wall (3).
3. The sinking frame foundation and the ground prefabrication equipment and sinking device thereof as claimed in claim 2, wherein the reinforcement cage (3-1) comprises a U-shaped guide rail (3U), the U-shaped guide rail (3U) is a component of the guide rail (5-3), the U-shaped guide rail (3U) is located at the bottom and two sides of the wall (3), and is also an end bottom formwork (4-23) with an integral structure of the end formwork (4-2) and the bottom formwork (4-3).
4. The sinking frame foundation and the ground prefabricating equipment and sinking device thereof as claimed in claim 3, wherein the sinking frame foundation (2) comprises a foundation pad (2-2), the foundation pad (2-2) is the bottom plate of the basement (1A), and the foundation pad (2-2) is constructed after the sinking frame foundation (2) is sunk to a designed position and the rock soil in the basement (1A) is excavated.
5. The sinking frame foundation and the ground prefabrication equipment and the sinking device thereof as claimed in claim 4, wherein the wall (3) comprises a box groove (3-2) at the connection part of the foundation pad (2-2), a part of reinforcement cage (3-1) is arranged in the box groove (3-2) and comprises a box cover (3-2-1), after the wall (3) sinks to the right position, the box cover (3-2-1) is removed, the periphery of the reinforcement cage of the foundation pad (2-2) and the reinforcement cage (3-1) in the box groove (3-2) are welded into a whole, and then the foundation pad (2-2) is poured, so that the space of the box groove (3-2) is filled with concrete.
6. A sinking frame foundation and ground prefabrication and sinking device thereof according to claim 5, wherein the prefabrication equipment (1B) comprises a supporting plate (1B-1), the wall-mounted formwork device comprises a base (1B-2) and supporting rods (1B-3), the bottom of the formwork device (4) is fixed on the base (1B-2), the supporting plate (1B-1) is fixed on the ground and located on two sides of a wall (3), the base (1B-2) is fixed on the supporting plate (1B-1) and comprises a fixed interface (1B-2-1), the supporting rods (1B-3) comprise bottom ends (1B-3-1) and top ends (1B-3-2), the bottom ends (1B-3-1) are connected with the fixed interface (1B-2-1), and the top ends (1B-3-2) are connected with the formwork device (4).
7. The sinking frame foundation as well as the ground prefabrication equipment and the sinking device thereof as claimed in claim 6, wherein the hanging device (6) comprises a steel strand hydraulic lifting jack (6A), the steel strand hydraulic lifting jack (6A) adopts a core-through structure hydraulic lifter as a lifting machine tool, wedge-shaped anchors at two ends of the hydraulic lifter have a one-way self-locking function, when the anchors work (tighten), the steel strand can be automatically locked, when the anchors do not work (loosen), the steel strand is released, the steel strand can move up and down, the plurality of steel strand hydraulic lifting jacks (6A) are synchronously and slowly lifted, the wall (3) is sunk in a hanging state, and is difficult to deviate due to the huge self weight; when the wall (3) is subjected to wall sinking construction, different geological conditions are met by controlling the descending speed of the hanging device (6).
8. The sinking frame foundation and the ground prefabrication equipment and sinking device thereof according to claim 7, wherein the basement (1A) is constructed by the following main steps:
1) the installation of the bearing plate (1B-1) and the base (1B-2) is completed above the horizontal position of the frame foundation (2) in the construction site (1);
2) placing the reinforcement cage (3-1) on the base (1B-2), and fixedly connecting the bottoms of the two side formworks (4-1) and the base (1B-2) into a whole;
3) the bottom end (1B-3-1) of the supporting rod (1B-3) is connected with the fixed interface (1B-2-1), and the top end (1B-3-2) is connected with the side template (4-1);
4) pouring concrete, and removing the side formwork (4-1) after a set time;
5) after the full maintenance period, installing a top frame (5-2) and a hanging device (6) at the top of the wall (3), wherein the hanging device (6) hangs the wall (3) through the top frame (5-2);
6) the base (1B-2) is drawn away to complete the installation of the chain cutter excavating device (5);
7) the chain cutter (5-1) excavates rock soil at the bottom of the wall (3), and after the sinking frame foundation (2) sinks to the place, the chain cutter (5-1) is pulled out to complete the construction of the wall (3);
8) excavating rock soil in the sinking frame foundation (2) to a set depth, and dismantling the box cover (3-2-1);
9) making a reinforcement cage of the pad base (2-2), and welding the periphery of the reinforcement cage with the reinforcement cage (3-1) in the box groove (3-2) into a whole;
10) pouring a pad base (2-2);
11) and continuing the subsequent construction until the whole construction of the basement (1A) is completed.
9. The sinking frame foundation and the ground prefabrication equipment and sinking device thereof according to claim 8, wherein the basement (1A) comprises a multi-storey basement.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111226216.6A CN114164860A (en) | 2021-10-21 | 2021-10-21 | Sinking frame foundation, ground prefabrication equipment thereof and sinking device |
| PCT/CN2022/126347 WO2023066325A1 (en) | 2021-10-21 | 2022-10-20 | Sunken frame foundation and ground prefabricating equipment and sinking device thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111226216.6A CN114164860A (en) | 2021-10-21 | 2021-10-21 | Sinking frame foundation, ground prefabrication equipment thereof and sinking device |
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| CN114164860A true CN114164860A (en) | 2022-03-11 |
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| WO (1) | WO2023066325A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023066325A1 (en) * | 2021-10-21 | 2023-04-27 | 王树生 | Sunken frame foundation and ground prefabricating equipment and sinking device thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117569383B (en) * | 2024-01-15 | 2024-03-19 | 成都中品建设工程有限公司 | High-earthquake-resistance foundation and construction method thereof |
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| WO2023066325A1 (en) | 2023-04-27 |
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