CN108590681A - Shield well reserving hole quick blocking system and its construction method - Google Patents
Shield well reserving hole quick blocking system and its construction method Download PDFInfo
- Publication number
- CN108590681A CN108590681A CN201810648012.3A CN201810648012A CN108590681A CN 108590681 A CN108590681 A CN 108590681A CN 201810648012 A CN201810648012 A CN 201810648012A CN 108590681 A CN108590681 A CN 108590681A
- Authority
- CN
- China
- Prior art keywords
- plugging plate
- prefabricated
- layer
- reserving hole
- shield well
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010276 construction Methods 0.000 title claims abstract description 30
- 230000000903 blocking effect Effects 0.000 title claims abstract description 19
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 19
- 239000004567 concrete Substances 0.000 claims abstract description 10
- 239000010410 layer Substances 0.000 claims description 52
- 239000003795 chemical substances by application Substances 0.000 claims description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 239000011083 cement mortar Substances 0.000 claims description 10
- 239000004816 latex Substances 0.000 claims description 7
- 229920000126 latex Polymers 0.000 claims description 7
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- 239000004568 cement Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 238000010923 batch production Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000009417 prefabrication Methods 0.000 claims description 3
- 239000011241 protective layer Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 230000015271 coagulation Effects 0.000 claims description 2
- 238000005345 coagulation Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000002355 dual-layer Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
-
- 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
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
-
- 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
- E21D11/385—Sealing means positioned between adjacent lining members
- E21D11/386—Sealing means positioned between adjacent lining members inflatable sealing means
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The present invention relates to a kind of shield well reserving hole quick blocking system and its construction methods, prefabricated plugging plate is set above shield well reserving hole, prefabricated plugging plate both side plate end is erected on the agent structure top plate ring beam of shield well, monolithic reinforced concrete structure layer is set above prefabricated plugging plate, it is laid with waterproof layer above monolithic reinforced concrete structure layer, foundation pit backfill layer is backfilled with above waterproof layer.The present invention blocks hole by prefabricated plugging plate after shield well completion mission, and closure is laid with waterproof layer, cast-in-place concrete layer after the completion, and the work such as foundation pit backfill have the characteristics that closure is quick, engineering intersection is small, save the duration, is safe.
Description
Technical field
The present invention relates to Tunnel Engineering technical fields, and in particular to a kind of shield well reserving hole quick blocking system and its
Construction method.
Background technology
The Railway Transit Construction dynamics of cities in China gradually increases at present, citizen to the needs of subway increasingly
Urgently, subway construction duration and safe pressure are increasing, after building the completions such as later stage shield construction, routinely set up scaffold
Holes blocking technology, laying a railway track with tunnel, there are cross-operation for equal electromechanical equipments unit, and safety is relatively poor.
Invention content
The object of the present invention is to provide a kind of shield well reserving hole quick blocking system and its construction methods, are constructing
Cheng Zhong can be directly erected on reserving hole by shifting to an earlier date prefabricated hole plugging plate, after the completion of the constructions such as shield, be laid with and prevent
Water layer, cast-in-place concrete layer etc. realize hole quick closure, and are not take up tunnel space, and electromechanical unit is not influenced by closure.
The technical solution adopted in the present invention is：
Shield well reserving hole quick blocking system, it is characterised in that：
Prefabricated plugging plate is set above shield well reserving hole, and prefabricated plugging plate both side plate end is erected on the main body knot of shield well
Structure top plate ring beam, prefabricated plugging plate top are arranged monolithic reinforced concrete structure layer, are spread above monolithic reinforced concrete structure layer
It sets up defences water layer, foundation pit backfill layer is backfilled with above waterproof layer.
Prefabricated plugging plate is in bar shaped, and parallel side-by-side is set to above shield well reserving hole.
Prefabricated plugging plate both side plate end is taken on the neat mouth for being placed on and being arranged on the inside of agent structure top plate ring beam, and the surface of neat mouth is set
It is equipped with cement mortar screeding layer.
The filling of neoprene latex cement is provided between prefabricated plugging plate side end face and agent structure top plate ring beam.
It is provided with water expandable waterstop between prefabricated plugging plate end bottom surface and the neat discharge surface of agent structure top plate ring beam.
Monolithic reinforced concrete structure layer performs above prefabricated plugging plate, and both sides cover prefabricated plugging plate and agent structure
The seam of top plate ring beam.
Agent structure top plate ring beam top surface below monolithic reinforced concrete structure layer end is provided with water-swellable sealing
Item.
The construction method of shield well reserving hole quick blocking system as mentioned, it is characterised in that：
Include the following steps：
Step 1：Determine shield well size, including shield reserving hole size；
Step 2：Construction agent structure side wall, top plate hole agent structure top plate ring beam of constructing；
Step 3：Shield-tunneling construction；
Step 4：Prefabricated plugging plate uses C50, and every piece of 1.5 meters of width ＜, batch production is prefabricated；
Step 5：After the completion of waiting for shield-tunneling construction, prefabricated plugging plate installation site positioning；
Step 6：The neat mouth of agent structure top plate ring beam is with 1:1 cement mortar smoothes out to form cement mortar screeding layer, and strength grade >=
M15, and water expandable waterstop is installed；
Step 7：Prefabricated plugging plate piecemeal lifting installation；Prefabricated plugging plate prefabrication process, need in pre-buried 4,25 suspension hooks of φ in both ends,
It is lifted when facilitating site operation；
Step 8：Neoprene latex cement is filled between agent structure top plate ring beam and prefabricated plugging plate；
Step 9：The water expandable waterstop of mounting body structure roof ring beam top surface, the cast-in-place coagulation above prefabricated plugging plate
Soil, using C35 concrete, laying range is wider than 2000 meters of prefabricated board or to building enclosure inward flange 500mm, reinforced mesh is
φ 12 150 × 150 is double-deck to be laid with；
Step 10：Waterproof layer can be laid with after the completion of the construction of monolithic reinforced concrete structure layer, waterproof layer is coating waterproof layer+70mm
Thick C20 pea gravel concretens protective layer composition；
Step 11：It is backfilled to designed elevation as required, preformed hole, which blocks, to be completed.
The present invention has the following advantages：
The present invention reserves the neat mouth of prefabricated board construction in main body construction, and prefabricated plugging plate, is laid with cast-in-place concrete layer, waterproof in advance
Layer, equipment, the material etc. blocked for shield preformed hole is conventional material, convenient for construction.And it can be according to stress and equipment need
Different size prefabricated board is processed, plurality of specifications reserving hole blocking technology is met.Prefabricated board can carry out hole after the completion of being laid with
Interior electromechanical construction, reduces duration intersection, saves the duration, and is safe and reliable.
Description of the drawings
Fig. 1 is floor plan of the present invention.
Fig. 2 is cross-sectional view of the present invention.
Fig. 3 is prefabricated plugging plate plate end enlarged drawing.
In figure, 1, building enclosure, 2, agent structure side wall, 3, agent structure top plate ring beam, 4, foundation pit backfill layer, 5, prefabricated
Plugging plate, 6, monolithic reinforced concrete structure layer, 7, cement mortar screeding layer, 8, water expandable waterstop, 9, neoprene latex water
Mud is filled, and 10, waterproof layer.
Specific implementation mode
The present invention will be described in detail With reference to embodiment.
The present invention relates to a kind of shield well reserving hole quick blocking systems, in the construction process, can be by prefabricated in advance
Holes blocking plate, after the completion of the constructions such as shield, be directly erected on reserving hole, be laid with waterproof layer, cast-in-place concrete layer etc.
It realizes hole quick closure, and is not take up tunnel space, electromechanical unit is not influenced by closure.
Concrete structure is：
Prefabricated plugging plate 5 is set above shield well reserving hole, and prefabricated plugging plate 5 is in bar shaped, and parallel side-by-side is set to shield
Above well reserving hole.Prefabricated plugging plate 5 carries out reasonable piecemeal according to reserved shield well size, can be arranged as required to end
Block, 1.5 meters of general control plugging plate width ＜, plate is wide to be generally uniformly distributed, and is blocked engineering and is used same size as possible, in shield
Construction period completion engineering is prefabricated, is prefabricated reinforced concrete structure.5 both side plate end of prefabricated plugging plate is erected on shield well
Agent structure top plate ring beam 3, end, which is taken, to be placed on the neat mouth that 3 inside of agent structure top plate ring beam is arranged, and neat mouth is the platform that sink, together
Mouth need to meet prefabricated board stress demand, and the surface of neat mouth is provided with cement mortar screeding layer 7.The 5 top setting of prefabricated plugging plate is existing
Reinforced concrete structure layer 6 is poured, as waterproof reinforced layer, using C35 concrete, thickness 300mm is laid with Dual-layer bar-mat reinforcement
12@150 × 150 of piece φ.When prefabricated plugging plate 5 can not undertake whole overlying Water And Earth Pressures, monolithic reinforced concrete structure layer 6 can
It is designed as coaction system, increases cast-in-place layer thickness and steel-bar arrangement form.On monolithic reinforced concrete structure layer 6
Side is laid with waterproof layer 10, and 10 top of waterproof layer is backfilled with foundation pit backfill layer 4.
The neoprene latex water of 50 ~ 100mm thickness is provided between 5 side end face of prefabricated plugging plate and agent structure top plate ring beam 3
Mud filling 9.It is provided with water-swellable sealing between 3 neat discharge surface of 5 end bottom surface of prefabricated plugging plate and agent structure top plate ring beam
Item 8.
Monolithic reinforced concrete structure layer 6 performs above prefabricated plugging plate 5, and both sides cover prefabricated plugging plate 5 and main body
The seam of structure roof ring beam 3.3 top surface of agent structure top plate ring beam setting below 6 end of monolithic reinforced concrete structure layer
There is water expandable waterstop 8.
The construction method of above structure includes the following steps：
1）Determine shield well size, including shield reserving hole size.
2）Agent structure of constructing side wall 2, construction top plate hole agent structure top plate ring beam 3.
3）Shield-tunneling construction.
4）Prefabricated plugging plate 5 uses C50, and every piece of 1.5 meters of width ＜, batch production is prefabricated.
5）After the completion of waiting for shield-tunneling construction, the positioning of 5 installation site of prefabricated plugging plate.
6）3 neat mouth of agent structure top plate ring beam is with 1:1 cement mortar smoothes out to form cement mortar screeding layer 7, strength grade
>=M15, and water expandable waterstop 8 is installed.
7）The lifting installation of 5 piecemeal of prefabricated plugging plate.
5 prefabrication process of prefabricated plugging plate need to be lifted in pre-buried 4,25 suspension hooks of φ in both ends when facilitating site operation.
8）Neoprene latex cement is filled between agent structure top plate ring beam 3 and prefabricated plugging plate 5.
9）The water expandable waterstop 8 of 3 top surface of mounting body structure roof ring beam, it is cast-in-place mixed above prefabricated plugging plate 5
Solidifying soil is laid with range and is wider than 2000 meters of prefabricated board or to 1 inward flange 500mm of building enclosure, reinforced mesh using C35 concrete
It is laid with for φ 12 150 × 150 is double-deck.
10）Monolithic reinforced concrete structure layer 6 can be laid with waterproof layer 10 after the completion of constructing, waterproof layer 10 is coating waterproof layer
+ 70mm thickness C20 pea gravel concreten protective layers form.
11）It is backfilled to designed elevation as required, preformed hole, which blocks, to be completed.
Present disclosure is not limited to cited by embodiment, and those of ordinary skill in the art are by reading description of the invention
And to any equivalent transformation that technical solution of the present invention is taken, it is that claim of the invention is covered.
Claims (8)
1. shield well reserving hole quick blocking system, it is characterised in that：
Prefabricated plugging plate is set above shield well reserving hole（5）, prefabricated plugging plate（5）Both side plate end is erected on shield well
Agent structure top plate ring beam（3）, prefabricated plugging plate（5）Monolithic reinforced concrete structure layer is arranged in top（6）, cast in place reinforced bar coagulation
Soil structure layer（6）Top is laid with waterproof layer（10）, waterproof layer（10）Top is backfilled with foundation pit backfill layer（4）.
2. shield well reserving hole quick blocking system according to claim 1, it is characterised in that：
Prefabricated plugging plate（5）In bar shaped, parallel side-by-side is set to above shield well reserving hole.
3. shield well reserving hole quick blocking system according to claim 1, it is characterised in that：
Prefabricated plugging plate（5）Both side plate end, which is taken, is placed on agent structure top plate ring beam（3）On the neat mouth of inside setting, the surface of neat mouth
It is provided with cement mortar screeding layer（7）.
4. shield well reserving hole quick blocking system according to claim 3, it is characterised in that：
Prefabricated plugging plate（5）Side end face and agent structure top plate ring beam（3）Between be provided with neoprene latex cement filling（9）.
5. shield well reserving hole quick blocking system according to claim 3, it is characterised in that：
Prefabricated plugging plate（5）End bottom surface and agent structure top plate ring beam（3）It is provided with water-swellable sealing between neat discharge surface
Item（8）.
6. shield well reserving hole quick blocking system according to claim 1, it is characterised in that：
Monolithic reinforced concrete structure layer（6）It performs in prefabricated plugging plate（5）Top, both sides cover prefabricated plugging plate（5）With master
Body structure roof ring beam（3）Seam.
7. shield well reserving hole quick blocking system according to claim 1, it is characterised in that：
Monolithic reinforced concrete structure layer（6）Agent structure top plate ring beam below end（3）Top surface is provided with water-swellable and stops
Water bar（8）.
8. the construction method of shield well reserving hole quick blocking system as described in claim 1, it is characterised in that：
Include the following steps：
Step 1：Determine shield well size, including shield reserving hole size；
Step 2：Construction agent structure side wall（2）, top plate hole agent structure top plate ring beam of constructing（3）；
Step 3：Shield-tunneling construction；
Step 4：Prefabricated plugging plate（5）Using C50, every piece of 1.5 meters of width ＜, batch production is prefabricated；
Step 5：After the completion of waiting for shield-tunneling construction, prefabricated plugging plate（5）Installation site positions；
Step 6：Agent structure top plate ring beam（3）Neat mouth is with 1:1 cement mortar smoothes out to form cement mortar screeding layer（7）, intensity
Grade >=M15, and water expandable waterstop is installed（8）；
Step 7：Prefabricated plugging plate（5）Piecemeal lifting installation；Prefabricated plugging plate（5）Prefabrication process need to be hung in the pre-buried φ in both ends 25
4, hook, lifts when facilitating site operation；
Step 8：Agent structure top plate ring beam（3）With prefabricated plugging plate（5）Between fill neoprene latex cement；
Step 9：Mounting body structure roof ring beam（3）The water expandable waterstop of top surface（8）, in prefabricated plugging plate（5）Top
Cast-in-place concrete is laid with range and is wider than 2000 meters of prefabricated board or to building enclosure using C35 concrete（1）Inward flange 500mm,
Reinforced mesh, which is that φ 12 150 × 150 is double-deck, to be laid with；
Step 10：Monolithic reinforced concrete structure layer（6）Waterproof layer can be laid with after the completion of construction（10）, waterproof layer（10）For coating
Waterproof layer+70mm thickness C20 pea gravel concreten protective layers form；
Step 11：It is backfilled to designed elevation as required, preformed hole, which blocks, to be completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810648012.3A CN108590681A (en) | 2018-06-22 | 2018-06-22 | Shield well reserving hole quick blocking system and its construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810648012.3A CN108590681A (en) | 2018-06-22 | 2018-06-22 | Shield well reserving hole quick blocking system and its construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108590681A true CN108590681A (en) | 2018-09-28 |
Family
ID=63628951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810648012.3A Pending CN108590681A (en) | 2018-06-22 | 2018-06-22 | Shield well reserving hole quick blocking system and its construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108590681A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259512A (en) * | 2019-07-15 | 2019-09-20 | 中铁第四勘察设计院集团有限公司 | The recyclable interim hole sealing structure in shield hole |
| CN110344844A (en) * | 2019-07-08 | 2019-10-18 | 中国铁建大桥工程局集团有限公司 | A kind of track engineering section of track well construction method |
| CN110552706A (en) * | 2019-08-29 | 2019-12-10 | 上海建工七建集团有限公司 | Permanent-temporary combined shield hoisting hole sealing structure and method |
| CN113738400A (en) * | 2021-09-03 | 2021-12-03 | 中交隧道工程局有限公司 | Construction method for blocking subway shield well |
| CN113914373A (en) * | 2021-11-24 | 2022-01-11 | 中建丝路建设投资有限公司 | Post-cast strip construction method |
| CN114526376A (en) * | 2022-01-12 | 2022-05-24 | 中建隧道建设有限公司 | Construction method of overlapping jacking pipe |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101025087A (en) * | 2007-02-12 | 2007-08-29 | 上海市隧道工程轨道交通设计研究院 | Concave-convex connection structure for use between lining pipe piece and internal lining layer in shield-method tunnel |
| CN104674817A (en) * | 2015-02-16 | 2015-06-03 | 中交一航局第一工程有限公司 | Reverse pressing type sealing grouting preserved hole sealing and blocking method |
| CN104712341A (en) * | 2015-03-16 | 2015-06-17 | 中铁第一勘察设计院集团有限公司 | Shallow burial soil area shield driving stratum strengthening system and construction method thereof |
| JP2016098504A (en) * | 2014-11-19 | 2016-05-30 | 五洋建設株式会社 | Construction method for reinforced concrete structure, and reinforced concrete structure |
| CN106988436A (en) * | 2017-03-28 | 2017-07-28 | 中国水利水电第十二工程局有限公司 | A kind of method of reserving hole closure |
| CN207144538U (en) * | 2017-08-18 | 2018-03-27 | 中铁第四勘察设计院集团有限公司 | A kind of underground structure top board reserving hole temporary plugging structure |
| CN208416545U (en) * | 2018-06-22 | 2019-01-22 | 中铁第一勘察设计院集团有限公司 | A kind of shield well reserving hole quick blocking system |
-
2018
- 2018-06-22 CN CN201810648012.3A patent/CN108590681A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101025087A (en) * | 2007-02-12 | 2007-08-29 | 上海市隧道工程轨道交通设计研究院 | Concave-convex connection structure for use between lining pipe piece and internal lining layer in shield-method tunnel |
| JP2016098504A (en) * | 2014-11-19 | 2016-05-30 | 五洋建設株式会社 | Construction method for reinforced concrete structure, and reinforced concrete structure |
| CN104674817A (en) * | 2015-02-16 | 2015-06-03 | 中交一航局第一工程有限公司 | Reverse pressing type sealing grouting preserved hole sealing and blocking method |
| CN104712341A (en) * | 2015-03-16 | 2015-06-17 | 中铁第一勘察设计院集团有限公司 | Shallow burial soil area shield driving stratum strengthening system and construction method thereof |
| CN106988436A (en) * | 2017-03-28 | 2017-07-28 | 中国水利水电第十二工程局有限公司 | A kind of method of reserving hole closure |
| CN207144538U (en) * | 2017-08-18 | 2018-03-27 | 中铁第四勘察设计院集团有限公司 | A kind of underground structure top board reserving hole temporary plugging structure |
| CN208416545U (en) * | 2018-06-22 | 2019-01-22 | 中铁第一勘察设计院集团有限公司 | A kind of shield well reserving hole quick blocking system |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110344844A (en) * | 2019-07-08 | 2019-10-18 | 中国铁建大桥工程局集团有限公司 | A kind of track engineering section of track well construction method |
| CN110259512A (en) * | 2019-07-15 | 2019-09-20 | 中铁第四勘察设计院集团有限公司 | The recyclable interim hole sealing structure in shield hole |
| CN110552706A (en) * | 2019-08-29 | 2019-12-10 | 上海建工七建集团有限公司 | Permanent-temporary combined shield hoisting hole sealing structure and method |
| CN113738400A (en) * | 2021-09-03 | 2021-12-03 | 中交隧道工程局有限公司 | Construction method for blocking subway shield well |
| CN113914373A (en) * | 2021-11-24 | 2022-01-11 | 中建丝路建设投资有限公司 | Post-cast strip construction method |
| CN114526376A (en) * | 2022-01-12 | 2022-05-24 | 中建隧道建设有限公司 | Construction method of overlapping jacking pipe |
| CN114526376B (en) * | 2022-01-12 | 2024-03-29 | 中建隧道建设有限公司 | Construction method for stacked wire jacking pipe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108590681A (en) | Shield well reserving hole quick blocking system and its construction method | |
| WO2021223573A1 (en) | Construction structure for communication and connection between newly added mined channel and existing station hall layer | |
| CN106958256B (en) | A kind of placement layer by layer, the open caisson construction technique repeatedly sunk | |
| CN107542108B (en) | A kind of reverse construction method of building basement structure | |
| CN210013697U (en) | Construction structure of near-penetrating building of underground excavation section of subway station entrance and exit | |
| CN110080242A (en) | The construction method of basement pile wall interaction structural system | |
| CN109235499A (en) | A kind of open cut hypogee Standard formula construction method | |
| CN111576431A (en) | Excavation method for foundation pit of four-layer subway station | |
| CN102995659B (en) | Method for constructing from central area to periphery of ultra-large type underground engineering | |
| CN110258640B (en) | Construction method of superposed wall system for cover-excavation top-down construction | |
| CN209227580U (en) | The tower-crane foundation structure of raft foundation is placed under a kind of | |
| CN103938634B (en) | A kind of deep foundation pit supporting structure and construction method | |
| CN112252336A (en) | Construction method for backfilling foundation trench of premixed fluidized solidified soil | |
| CN104652495B (en) | Internal support of foundation pit column and base plate node waterproof construction technology | |
| CN107964976A (en) | Steel pipe-conversion steel platform tower crane top-down construction method | |
| CN103306497B (en) | Shock prevention and strengthening construction method for existing brickwork dwelling house fabricated structure | |
| CN108035379B (en) | Comprehensive pipe gallery and construction method thereof | |
| CN109706952A (en) | Large-scale well-sinking construction method | |
| CN115821985A (en) | Integrated construction method for auxiliary structure of subway open cut station | |
| CN110295624A (en) | Crossroad underground pedestrian walk and pipe gallery build structure and its construction method jointly | |
| CN208416545U (en) | A kind of shield well reserving hole quick blocking system | |
| CN112012761B (en) | Construction method of anti-disturbance double-arch tunnel structure | |
| CN213063578U (en) | Newly-increased undercut passageway and existing station room layer intercommunication construction structures of plugging into | |
| CN111305220A (en) | Concrete support and structural top plate combined building system based on permanent and temporary combination and construction method thereof | |
| CN113187487B (en) | Construction method of double-layer full-section frozen underground excavation station structure of subway |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |