CN112943259A - Pipe jacking machine tunneling construction process for electric power engineering - Google Patents
Pipe jacking machine tunneling construction process for electric power engineering Download PDFInfo
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- CN112943259A CN112943259A CN201911256321.7A CN201911256321A CN112943259A CN 112943259 A CN112943259 A CN 112943259A CN 201911256321 A CN201911256321 A CN 201911256321A CN 112943259 A CN112943259 A CN 112943259A
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- 238000010276 construction Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000008569 process Effects 0.000 title claims abstract description 30
- 230000005641 tunneling Effects 0.000 title claims abstract description 25
- 239000002689 soil Substances 0.000 claims description 34
- 238000007789 sealing Methods 0.000 claims description 32
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 4
- 239000002699 waste material Substances 0.000 claims description 4
- 239000004927 clay Substances 0.000 claims description 3
- 238000013461 design Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 239000011120 plywood Substances 0.000 claims description 3
- 229920002545 silicone oil Polymers 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/003—Arrangement of measuring or indicating devices for use during driving of tunnels, e.g. for guiding machines
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/003—Arrangement of measuring or indicating devices for use during driving of tunnels, e.g. for guiding machines
- E21D9/004—Arrangement of measuring or indicating devices for use during driving of tunnels, e.g. for guiding machines using light beams for direction or position control
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
- E21D9/126—Loading devices or installations
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
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- Environmental & Geological Engineering (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention relates to the technical field of electric power engineering construction equipment, and discloses a pipe jacking machine tunneling construction process for electric power engineering. The pipe jacking machine tunneling construction process for the electric power engineering solves the problems that in the tunneling process of the existing underground construction mode, consumed manpower and material resources are more, the construction period completion efficiency of the underground construction mode can be influenced, personnel are easily injured in the construction process, and the safety is low.
Description
Technical Field
The invention relates to the technical field of electric power engineering construction equipment, in particular to a pipe jacking machine tunneling construction process for electric power engineering.
Background
The electric power engineering, namely the engineering related to the production, transmission and distribution of electric energy, also includes the engineering of using electricity as power and energy in various fields in a broad sense, and can understand the transmission and transformation industry expansion engineering, and during underground construction, the pipe jacking machine equipment is required to be used for construction and tapping in advance, so that the construction of subsequent engineering is facilitated.
The existing underground construction mode is generally that the whole ground is directly excavated by an excavator, and then construction is carried out by people from the bottom of the ground, but the construction mode needs to waste a large amount of manpower and material resources, is long in time consumption and large in occupied area, and is very unfavorable for transportation, so that a lot of cities require to stop the mode of directly excavating the ground for construction, and the problems of low safety, low drilling speed, low blasting efficiency, high labor intensity, difficult gangue discharge and the like easily occur in manual excavation, and the efficiency is not high.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a pipe jacking machine tunneling construction process for electric power engineering, which has the advantages of high safety performance, high tunneling efficiency and the like, and solves the problems that the conventional underground construction mode consumes more manpower and material resources in the tunneling process, the completion efficiency of the construction period is influenced, personnel are easily injured in the construction process, and the safety is low.
(II) technical scheme
In order to achieve the purposes of high safety performance and high tunneling efficiency, the invention provides the following technical scheme: the method comprises the following steps:
firstly, preparing before working, firstly excavating a working well according to design requirements, then establishing a measurement control platform on the ground, guiding a measurement control grid into the working well, accurately measuring the jacking axis of subsequent jacking equipment, then hoisting the jacking device into the working well for installation, filling and compacting a gap between the jacking device and the working well wall by using concrete, ensuring that the construction process can bear the recoil of main jacking, finally accurately and firmly installing a main jacking device and a movable guide rail in the working well under the monitoring of a theodolite and a gradienter, then reasonably establishing the working platform, a distribution box, a main jacking power box, a control console and the like in the working well, and laying various cables, pipelines and oil road lamps;
secondly, after the installation is finished, the pipe jacking machine is hoisted and placed into a working well, six 150t double-acting oil cylinders are arranged on the outer side of the pipe jacking machine, control valves electrically connected with the oil cylinders are arranged, each double-acting oil cylinder is connected with a pipe jacking machine shell through a universal hinge, and then an electric system and a hydraulic system are communicated to carry out total debugging before hole discharging;
when the working well is subjected to preliminary hole-exiting debugging, an outer sealing door is adopted for a sealing door at a hole-exiting position, the inside and the outside of the sealing door are respectively coated with waterproof glass cloth and waterproof paint for protection treatment, two cross beams are arranged in the hole door, an embedded iron piece is arranged at a position 300mm away from the hole opening in the working well, the bottom of the outer sealing door is inserted into a wedge-shaped groove formed by the embedded iron piece, the top of the outer sealing door extends to a position 300mm away from the ground and is connected with a well body steel bar of the working well, the outer sealing door can be prevented from falling off when jacking equipment works, a double-layer water-stopping area is arranged at the hole opening, and yellow clay is filled in a sealing cabin of a pipe jacking machine;
fourthly, a jacking guide rail is connected in the opening in a long way, a limiting block is prepared in advance, a cross beam in an outer sealing door is cut off, a steel plate pile is jacked loose in the opening, a slope plate and a light target are arranged in a push bench, a grouting hole is arranged outside a tail ring of the push bench in a surrounding equal short distance, the push bench is jacked into a water-stopping pipe and stops when the tail of the push bench is 10cm away from the outer sealing door, the outer sealing door is pulled out, a J2 laser theodolite is arranged on a jacking axis, a light target measuring ruler in the push bench is tracked to observe, the push bench is accurately controlled to continue jacking, when the main jacking stroke is sufficient, the tail of the push bench and the limiting block are welded, the main jacking jack is retracted, a pipeline at the opening is dismantled, a concrete pipe joint is hung and arranged on the concrete pipe joint in a surrounding equal short distance, then the pipeline at the opening is connected, the limiting block is cut off, the jacking is continued, and the concrete pipe joint is separated from the concrete pipe as soon as possible after the push bench enters the opening, repeating the process to finish the tunneling work of the pipe jacking machine;
fifthly, during subsequent jacking construction, the pipe jacking machine adopts axial soil discharging, soil blocks are directly unloaded in the soil box, after the soil box is full, the soil box is transported out of the pipeline by the battery car, the crane lifts the ground soil waste in the working well, then the emptied soil box is put into the well again, soil is transported continuously, and the repeated operation is carried out to clean the soil blocks which are discharged too much.
Preferably, the jacking backrest is of a solid box-shaped structure and made of steel, and the outer sealing door and the cross beam are both made of 30# steel.
Preferably, the six 150t double-acting oil cylinders are inclined downwards at an angle of 45 degrees and face the push bench.
Preferably, the outer part of the tail ring of the pipe jacking machine corresponds to the position of a mud jacking hole arranged on the outer part of the concrete pipe joint, and the hole diameters of the mud jacking hole and the mud jacking hole are the same.
Preferably, the shape of the interface of the concrete pipe joint is matched with that of the interface end of the jacking machine, and a steel lantern ring, a rubber sealing ring and a liner plate are arranged outside the concrete pipe joint.
Preferably, the lining plate is a multilayer plywood, and thin silicone oil is uniformly coated on the connecting part of the concrete pipe joint and the jacking machine.
(III) advantageous effects
Compared with the prior art, the invention provides a pipe jacking machine tunneling construction process for electric power engineering, which has the following beneficial effects:
this a pipe-jacking machine tunnelling construction process for electric power engineering, the traditional construction process has systematized to smart degeneracy, its efficiency of construction has been improved, and its security performance has been improved, the cooperation hydro-cylinder, the mud jacking hole, the use of double-deck stagnant water cong and measuring equipment, can be at the pipe-jacking machine tunnelling in-process, nimble handling unexpected circumstances such as arc stone and hard soil, and can reduce the resistance for the tunnelling process, also can prevent that the outside soil body of pipe wall from receiving the disturbance and forming and collapsing, influence its tunnelling speed, the stationarity and the security of pipe-jacking machine tunnelling route have been guaranteed, simple structure is practical, maneuverability is high and the strong advantage of suitability.
Drawings
FIG. 1 is a flow chart of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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 of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a pipe jacking machine tunneling construction process for power engineering includes the following steps:
firstly, preparing before construction, firstly excavating a working well according to design requirements, then establishing a measurement control platform on the ground, guiding a measurement control grid into the working well, accurately measuring a jacking axis of subsequent jacking equipment, then hoisting the jacking backrest into the working well for installation, wherein the jacking backrest is of a solid box-shaped structure made of steel, the contact area of the jacking backrest and a well wall is larger than the range of 8m multiplied by 6m so as to enlarge the stress area of the well wall and be beneficial to the stability of the working well, the plane of the jacking backrest is vertical to the jacking axis, a gap between the jacking backrest and the working well wall is tightly filled with concrete so as to ensure that the construction process can bear the recoil force of a main jack, finally, a main jacking device and a movable guide rail are accurately and firmly installed in the working well under the monitoring of a theodolite and a gradienter, the main jacking device comprises 8 jacks which are arranged in four rows, the main jacking jacks, and the maximum jacking force of each jack is 400T, 3200T in total, then reasonably building a working platform, a distribution box, a main top power box, a control console and the like in the working well, and laying various cables, pipelines and oil road lamps;
secondly, after the installation is finished, the pipe jacking machine is hoisted and placed into a working well, six 150t double-acting oil cylinders are arranged on the outer side of the pipe jacking machine and are provided with control valves electrically connected with the oil cylinders, the six 150t double-acting oil cylinders are inclined downwards at an angle of 45 degrees and face the pipe jacking machine, each double-acting oil cylinder is connected with a pipe jacking machine shell through a universal hinge, and then an electric system and a hydraulic system are communicated to carry out the total debugging before the pipe jacking;
thirdly, when the working well is debugged in a primary hole, the sealing door for the hole is an outer sealing door, the inside and the outside of the sealing door are respectively coated with waterproof glass cloth and waterproof paint for protection treatment, two beams are arranged in the hole door, the materials of the outer sealing door and the beams are 30# steel, an embedded iron piece is arranged at the position 300mm away from the hole opening in the working well, the bottom of the outer sealing door is inserted into a wedge-shaped groove formed by the embedded iron piece, the top of the outer sealing door extends to the position 300mm away from the ground and is connected with a well body steel bar of the working well, the outer sealing door can be prevented from falling off when the jacking equipment works, a double-layer water-stopping pipe is arranged at the hole opening, soil and water can be prevented from flowing into the working well when a pipe jacking machine goes out of the hole, the resistance-reducing slurry pressed in the jacking construction can be prevented from losing from the position, a complete and effective slurry sleeve can be ensured, the contact between the two layers of rubber water-stopping pipes can, yellow clay is filled in the push bench sealed cabin, partial front soil pressure of the push bench during hole outlet is balanced, and disturbance and surface subsidence of soil at the hole opening are reduced;
fourthly, a jacking guide rail is connected in the opening in a long way, a limit block is prepared in advance, a cross beam in an outer seal door is cut off, a steel plate pile is jacked loose in the opening, a slope plate and a light target are distributed in the push bench, the slope plate is used for reading the slope and the corner of the push bench, the light target is used for tracking and measuring the axis of the laser theodolite, a grout pressing hole is arranged outside a tail ring of the push bench in a surrounding equal short distance, the push bench is jacked into a water stop area until the tail part of the push bench is 10cm away from the outer seal door, the outer seal door is pulled out, the J2 laser theodolite is arranged on the jacking axis, a light target measuring ruler in the push bench is tracked for observation, constructors can visually find out the deviation condition and the advancing direction of the push bench at any time, the continuous jacking of the push bench is accurately controlled, when the main jacking stroke is sufficient, the tail part of the push bench is welded with the limit block, and the push bench can be prevented from returning under the action of, then retracting the main jack, removing the pipeline at the opening, then hoisting and placing concrete pipe joints, arranging grouting holes in a surrounding equal-close distance manner on the concrete pipe joints, wherein the grouting holes are annularly distributed at 90 degrees, the positions of the outer part of the tail ring of the push bench correspond to the positions of the grouting holes arranged on the outer part of the concrete pipe joints, the hole diameters are the same, the shape of the interface of the concrete pipe joints is matched with that of the interface end of the jacking machine, the outer part of the concrete pipe joints is provided with a steel lantern ring, a rubber sealing ring and a liner plate, the liner plate is a multilayer plywood, thin silicone oil is uniformly coated on the connecting part of the concrete pipe joints and the jacking machine, then the pipeline at the connecting hole is connected, a limiting block is cut off, the jacking machine is continuously jacked, after the push bench enters the hole, the push bench and the concrete pipe joints are separated as soon as possible, the process is repeated, namely, the tunneling work of the push bench is completed, the push bench and the first to the third concrete pipe joints are connected together, the control of the pipe jacking machine in the later jacking construction is facilitated;
fifthly, during subsequent jacking construction, the pipe jacking machine adopts axial soil discharging, soil blocks are directly unloaded in the soil box, after the soil box is full, the soil box is transported out of the pipeline by the battery car, the crane lifts the ground soil waste in the working well, then the emptied soil box is put into the well again, soil is transported continuously, and the repeated operation is carried out to clean the soil blocks which are discharged too much.
The invention has the beneficial effects that: the traditional construction process is systematized by the refinement, the construction efficiency is improved, the safety performance is improved, the oil cylinder is matched, the grouting hole, the double-layer water stop cong and the measuring equipment are used, the accidental conditions such as arc stone, hard soil and the like can be flexibly processed in the tunneling process of the pipe jacking machine, the resistance can be reduced for the tunneling process, the collapse caused by the disturbance of the soil body outside the pipe wall can be prevented, the tunneling speed of the pipe jacking machine is influenced, the stability and the safety of the tunneling route of the pipe jacking machine are ensured, and the advantages of simple and practical structure, high operability and strong applicability are achieved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A pipe jacking machine tunneling construction process for electric power engineering is characterized by comprising the following steps:
firstly, preparing before working, firstly excavating a working well according to design requirements, then establishing a measurement control platform on the ground, guiding a measurement control grid into the working well, accurately measuring the jacking axis of subsequent jacking equipment, then hoisting the jacking device into the working well for installation, filling and compacting a gap between the jacking device and the working well wall by using concrete, ensuring that the construction process can bear the recoil of main jacking, finally accurately and firmly installing a main jacking device and a movable guide rail in the working well under the monitoring of a theodolite and a gradienter, then reasonably establishing the working platform, a distribution box, a main jacking power box, a control console and the like in the working well, and laying various cables, pipelines and oil road lamps;
secondly, after the installation is finished, the pipe jacking machine is hoisted and placed into a working well, six 150t double-acting oil cylinders are arranged on the outer side of the pipe jacking machine, control valves electrically connected with the oil cylinders are arranged, each double-acting oil cylinder is connected with a pipe jacking machine shell through a universal hinge, and then an electric system and a hydraulic system are communicated to carry out total debugging before hole discharging;
when the working well is subjected to preliminary hole-exiting debugging, an outer sealing door is adopted for a sealing door at a hole-exiting position, the inside and the outside of the sealing door are respectively coated with waterproof glass cloth and waterproof paint for protection treatment, two cross beams are arranged in the hole door, an embedded iron piece is arranged at a position 300mm away from the hole opening in the working well, the bottom of the outer sealing door is inserted into a wedge-shaped groove formed by the embedded iron piece, the top of the outer sealing door extends to a position 300mm away from the ground and is connected with a well body steel bar of the working well, the outer sealing door can be prevented from falling off when jacking equipment works, a double-layer water-stopping area is arranged at the hole opening, and yellow clay is filled in a sealing cabin of a pipe jacking machine;
fourthly, a jacking guide rail is connected in the opening in a long way, a limiting block is prepared in advance, a cross beam in an outer sealing door is cut off, a steel plate pile is jacked loose in the opening, a slope plate and a light target are arranged in a push bench, a grouting hole is arranged outside a tail ring of the push bench in a surrounding equal short distance, the push bench is jacked into a water-stopping pipe and stops when the tail of the push bench is 10cm away from the outer sealing door, the outer sealing door is pulled out, a J2 laser theodolite is arranged on a jacking axis, a light target measuring ruler in the push bench is tracked to observe, the push bench is accurately controlled to continue jacking, when the main jacking stroke is sufficient, the tail of the push bench and the limiting block are welded, the main jacking jack is retracted, a pipeline at the opening is dismantled, a concrete pipe joint is hung and arranged on the concrete pipe joint in a surrounding equal short distance, then the pipeline at the opening is connected, the limiting block is cut off, the jacking is continued, and the concrete pipe joint is separated from the concrete pipe as soon as possible after the push bench enters the opening, repeating the process to finish the tunneling work of the pipe jacking machine;
fifthly, during subsequent jacking construction, the pipe jacking machine adopts axial soil discharging, soil blocks are directly unloaded in the soil box, after the soil box is full, the soil box is transported out of the pipeline by the battery car, the crane lifts the ground soil waste in the working well, then the emptied soil box is put into the well again, soil is transported continuously, and the repeated operation is carried out to clean the soil blocks which are discharged too much.
2. The pipe jacking machine tunneling construction process for electric power engineering according to claim 1, wherein the jacking backrest is of a solid box-shaped structure and is made of steel, and the outer sealing door and the cross beam are both made of 30# steel.
3. The pipe jacking machine tunneling construction process for electric power engineering according to claim 1, wherein all six 150t double-acting oil cylinders are inclined 45 degrees downwards and face the pipe jacking machine.
4. The pipe jacking machine tunneling construction process for electric power engineering according to claim 1, wherein the positions of the mud jacking holes arranged outside the tail ring of the pipe jacking machine correspond to those of the mud jacking holes arranged outside the concrete pipe joints, and the hole diameters of the mud jacking holes are the same.
5. The pipe jacking machine tunneling construction process for electric power engineering according to claim 1, wherein the shape of the interface of the concrete pipe joint is matched with that of the interface end of the pipe jacking machine, and a steel sleeve ring, a rubber sealing ring and a liner plate are arranged outside the concrete pipe joint.
6. The pipe jacking machine tunneling construction process for electric power engineering according to claim 5, wherein the liner plate is a multilayer plywood, and a thin silicone oil layer is uniformly coated on the connecting part of the concrete pipe joint and the jacking machine.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911256321.7A CN112943259A (en) | 2019-12-10 | 2019-12-10 | Pipe jacking machine tunneling construction process for electric power engineering |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911256321.7A CN112943259A (en) | 2019-12-10 | 2019-12-10 | Pipe jacking machine tunneling construction process for electric power engineering |
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| CN112943259A true CN112943259A (en) | 2021-06-11 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1391053A (en) * | 2002-07-25 | 2003-01-15 | 上海隧道工程股份有限公司 | Earth pressure balancing technology for laying rectangular top pipe |
| WO2018133743A1 (en) * | 2017-01-18 | 2018-07-26 | 王燏斌 | Tunnelling apparatus for use in pipe jacking method and construction method therefor |
| JP6397940B2 (en) * | 2015-11-04 | 2018-09-26 | 中鉄十八局集団有限公司 | High water pressure compatible mud balance pipe propulsion device and construction method |
| CN109372532A (en) * | 2018-12-25 | 2019-02-22 | 中建四局第六建筑工程有限公司 | Jacking construction engineering method under multiplexed address environment |
| CN107060796B (en) * | 2017-01-16 | 2019-07-30 | 浙江宝田环境建设有限公司 | It is a kind of to use Slurry Balanced Pipe Jacking Construction technique |
-
2019
- 2019-12-10 CN CN201911256321.7A patent/CN112943259A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1391053A (en) * | 2002-07-25 | 2003-01-15 | 上海隧道工程股份有限公司 | Earth pressure balancing technology for laying rectangular top pipe |
| JP6397940B2 (en) * | 2015-11-04 | 2018-09-26 | 中鉄十八局集団有限公司 | High water pressure compatible mud balance pipe propulsion device and construction method |
| CN107060796B (en) * | 2017-01-16 | 2019-07-30 | 浙江宝田环境建设有限公司 | It is a kind of to use Slurry Balanced Pipe Jacking Construction technique |
| WO2018133743A1 (en) * | 2017-01-18 | 2018-07-26 | 王燏斌 | Tunnelling apparatus for use in pipe jacking method and construction method therefor |
| CN109372532A (en) * | 2018-12-25 | 2019-02-22 | 中建四局第六建筑工程有限公司 | Jacking construction engineering method under multiplexed address environment |
Non-Patent Citations (1)
| Title |
|---|
| 上传者：老子: "工作井及顶管专项施工方案", 《道客巴巴》 * |
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Application publication date: 20210611 |