CN113279787B - Construction method for constructing pipe curtain supporting structure of ultra-shallow buried large-section underground excavation subway station - Google Patents
Construction method for constructing pipe curtain supporting structure of ultra-shallow buried large-section underground excavation subway station Download PDFInfo
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- CN113279787B CN113279787B CN202110567142.6A CN202110567142A CN113279787B CN 113279787 B CN113279787 B CN 113279787B CN 202110567142 A CN202110567142 A CN 202110567142A CN 113279787 B CN113279787 B CN 113279787B
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- 238000010276 construction Methods 0.000 title claims abstract description 46
- 238000009412 basement excavation Methods 0.000 title claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 124
- 239000010959 steel Substances 0.000 claims abstract description 124
- 239000004567 concrete Substances 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 239000002689 soil Substances 0.000 claims description 6
- 230000009191 jumping Effects 0.000 claims description 3
- 239000011376 self-consolidating concrete Substances 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 15
- 238000010586 diagram Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 3
- 238000009933 burial Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Classifications
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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
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
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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
- E21D11/10—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
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
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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
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Lining And Supports For Tunnels (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention relates to a construction method for constructing a pipe curtain supporting structure of an ultra-shallow buried large-section underground subway station. Sequentially jacking a round steel pipe and a rectangular steel pipe at four vertex angles, and sealing and connecting adjacent rectangular steel pipes through annular lock catches to form a lateral supporting part and a transverse supporting part; the steel strand penetrates through the side and the transverse supporting parts, the two ends of the steel strand are fixed in the round steel pipe, the steel strand is tensioned to exert prestress, concrete is filled in the side and transverse supporting parts and the round steel pipe to form a pipe curtain supporting structure, then a pilot tunnel and a center pillar are applied to form an integral supporting system, full-section excavation is carried out, and a top plate, a middle plate, a bottom plate, a side wall and the like of the station are respectively applied. The pipe curtain supporting structure provided by the invention has stronger rigidity and bearing capacity, and concrete is not required to be poured between the steel pipes, so that the construction process is simplified; the pipe curtain supporting structure is combined with the hole pile method, so that the pipe curtain supporting structure can be used for building a multi-layer multi-span subway underground excavation station, and the space utilization rate of the formed rectangular section is improved.
Description
Technical Field
The invention belongs to the technical field of tunnel and underground engineering construction, and particularly relates to a construction method for constructing a multi-layer and multi-span underground subway station by adopting a pipe curtain structure combined hole pile method during subway station construction.
Background
The pipe curtain construction method has been studied for many years in China and successfully implemented in engineering, and the technology of the pipe curtain construction method has been developed and matured. The traditional pipe curtain Method is researched and innovated by a plurality of scholars to derive a plurality of novel pipe curtain methods, such as NIT (NEW ITALIAN Tunneling Method), TRCM (Tubular Roof Construction Method), NTR (New Tublar Roof Method) and STS (Steel Tube Slab Method) and the like. The novel pipe curtain construction methods have certain engineering application value, but have certain defects, such as poor condition of steel bar binding operation in the steel pipe, more steel pipe cuts and welding seams and certain influence on waterproof quality, which are required by NIT construction method, TRCM construction method and NTR construction method. The reinforcement work of the STS method is very cumbersome and has a certain difficulty in controlling the quality. When the domestic station is excavated in a hidden way, shallow buried underground excavation construction is mainly adopted, the top of the station is generally of an arch structure, the space utilization rate is low, and a double-layer vault straight wall structure is mainly adopted, so that risks are reduced, the station is generally designed to be two layers, and the buried depth is generally not more than 7 m. At present, few engineering cases of constructing three or more station structures in the ultra-shallow buried stratum are provided, and the construction method for safely and effectively constructing the multi-layer and multi-span subway underground excavation station has very important practical significance.
Disclosure of Invention
Aiming at the defects of the existing pipe curtain construction method and the construction technology of the underground excavation station, the invention provides the construction method for constructing the pipe curtain support structure of the ultra-shallow buried large-section underground excavation subway station, which can effectively improve the transverse rigidity and the bearing capacity of the pipe curtain support system, obviously reduce the burial depth of the station, reduce the construction cost and realize zero disturbance to ground traffic and peripheral structures.
The technical scheme for achieving the aim of the invention is to provide a construction method for constructing a pipe curtain supporting structure of an ultra-shallow buried large-section underground subway station, which comprises the following steps of firstly constructing a working well, installing a device for jacking a steel pipe in the working well, and then constructing:
(1) Prefabricating a circular steel pipe and a rectangular steel pipe: two sides of the rectangular steel pipe are respectively provided with a pair of annular lock catches; a plurality of four corner through holes are arranged on the pipe wall at one side of the round steel pipe and the pipe walls at two sides of the rectangular steel pipe in a sectioning way along the axial equal interval;
(2) Taking a prefabricated round steel pipe as four vertex angles, and jacking the prefabricated round steel pipe sequentially through a pipe jacking machine according to the design position; rectangular steel pipes are sequentially jacked in through a pipe jacking machine between the round steel pipes on two sides and between the round steel pipes with the upper ends in the horizontal direction, adjacent steel pipes are connected in a sealing mode through annular locks to form rectangular cavities, a plurality of rectangular steel pipes are sequentially connected with the rectangular cavities, and a lateral supporting part and a transverse supporting part are respectively formed;
(3) The steel strand penetrates through the lateral supporting part and the transverse supporting part through the through holes respectively, two ends of the steel strand are fixed in the round steel pipe through the fixing device, the steel strand is tensioned to exert prestress, and concrete is filled in the lateral supporting part, the transverse supporting part and the round steel pipe;
(4) After the concrete reaches the design strength, carrying out main construction under the formed pipe curtain supporting structure;
(5) Respectively constructing an upper pilot tunnel and a lower pilot tunnel, and simultaneously supporting each pilot tunnel;
(6) A bottom longitudinal beam and a waterproof layer are applied in the lower pilot tunnel, a top longitudinal beam and a waterproof layer are applied in the upper pilot tunnel, and then steel pipe columns are applied to form an integral support system;
(7) Firstly excavating a negative layer of middle span soil, then excavating side span soil at the same time, dismantling an upper pilot tunnel structure, and constructing a negative layer of top plate and side wall structure;
(8) Continuously excavating earthwork downwards to the position of the negative first-layer middle plate, paving a side wall waterproof layer, pouring a negative first-layer middle plate structure and a side wall structure, and finishing a negative first-layer second-lining structure;
(9) Sequentially excavating downwards to the designed elevation of the layered plate, and pouring the waterproof and two-lining structures of the rest layers according to the step (8);
(10) After the middle plate concrete reaches the design strength, excavating to the design elevation of the bottom plate, and chiseling the lower pilot tunnel concrete; constructing a station bottom plate at the middle part of the low longitudinal beam;
(11) After the construction of the bottom plate of the midspan structure is completed and reaches 75% of the design strength, excavating earthwork in the side span range of the section by section and jumping to the lower part of the bottom plate, and applying a cushion layer, a waterproof layer and the bottom plate of the structure;
(12) After the concrete strength of the bottom plate reaches 75% of the design strength, the residual waterproof layer and the side wall of the underground two-layer structure are applied, and then internal auxiliary facilities are applied, so that station construction is completed.
The invention relates to a construction method for constructing a pipe curtain supporting structure of an ultra-shallow buried large-section underground excavation subway station, wherein the width of a rectangular cavity of the pipe curtain supporting is the same as that of a rectangular steel pipe; the arrangement interval of the steel strands along the axial direction of the rectangular steel pipe is 0.5-1 m; the concrete filled in the supporting part and the round steel pipe is super-fluid self-compacting concrete.
The invention provides a pipe curtain support construction method for constructing an ultra-shallow buried large-section underground excavation subway station, wherein the constructed subway station is rectangular in section.
The support system provided by the invention overcomes the limitations and defects of the existing pipe curtain construction method and station construction, and has the beneficial effects that:
1. Compared with the traditional lock catch and steel plate connection mode, the bearing capacity of the steel pipe group is increased by applying prestress to the steel stranded wires, and the number of notches and welding seams in the steel pipe is greatly reduced.
2. The holes embedded with the steel strands can be prefabricated, so that the operation in a narrow space in a pipe is effectively avoided, and the construction efficiency is improved.
3. Compared with the prior art that round steel pipes are adopted, the rectangular steel pipes are adopted in the middle of the invention, so that the contact area between the steel pipes can be effectively increased, grouting between the pipes is not needed, and the transverse rigidity and bearing capacity of the steel pipes are greatly improved; the station burial depth can be obviously reduced, and the engineering cost is reduced.
4. The built underground excavation station is rectangular in section, the space utilization rate is greatly improved, and the method can be used for ultra-shallow buried engineering.
5. The pipe curtain structure combined hole pile method provided by the invention can be used for constructing multi-layer multi-span subway underground excavation stations and can realize zero disturbance to ground traffic and peripheral structures.
Drawings
FIG. 1 is a schematic view of a pipe curtain support structure according to an embodiment of the present invention;
FIG. 2 is a schematic illustration of an embodiment of the present invention for annular snap-lock lap joint between rectangular steel pipes;
FIG. 3 is a schematic structural view of a rectangular steel pipe and an annular lock catch provided by an embodiment of the invention;
Fig. 4 is a schematic structural view of a fixing device for fixing a steel strand inside a round steel jacking pipe according to an embodiment of the present invention;
fig. 5 to 9 are schematic views of the station excavation part process provided in this embodiment, respectively;
Fig. 10 is a construction schematic diagram of a pipe curtain structure combined with a hole pile method for constructing a multi-layer and multi-span subway underground excavation station according to an embodiment of the present invention;
in the figure: 1. round steel pipes; 2. rectangular steel pipes; 3. an annular lock catch; 4. steel strand; 5. a fixing device; 6. concrete; seventhly, an upper pilot tunnel; 8. a lower pilot hole; 9. a roof rail; 10. a side sill; 11. a steel pipe column; 12. a middle plate; 13. a bottom plate; 14. rectangular cavity.
Detailed Description
The technical scheme of the invention is further elaborated below by referring to the drawings and the embodiments.
Example 1
The invention adopts a pipe curtain supporting structure based on the connection of prestressed steel strands and annular lock catches, and is used for constructing the ultra-shallow buried large-section underground excavation subway station.
Referring to fig. 1, which is a schematic diagram of a pipe curtain supporting structure provided in this embodiment, the pipe curtain supporting structure mainly includes a supporting portion, a circular steel pipe and steel strands, the supporting portion is a lateral supporting portion vertically disposed on two sides and a horizontal supporting portion horizontally disposed between the lateral supporting portions, the top and bottom of the lateral supporting portion are respectively provided with the circular steel pipe 1, and the circular steel pipe disposed at the top of the lateral supporting portion is respectively connected with two ends of the horizontal supporting portion; the transverse supporting part and the lateral supporting part are respectively formed by connecting a plurality of rectangular steel pipes 2 and rectangular cavities 14, two sides of each rectangular steel pipe 2 are respectively provided with a pair of annular locks 3, and adjacent rectangular steel pipes are connected in a sealing way through the annular locks 3 to form the rectangular cavities 14; a plurality of pairs of through holes are arranged on the pipe walls at the two sides of the rectangular steel pipe in an axial segmentation way, the prestressed steel strands 4 respectively penetrate through the lateral supporting parts and the transverse supporting parts through the through holes, and the two ends of the steel strands are fixed in the circular steel pipe by the fixing device 5; the rectangular steel pipe and the rectangular cavity of the supporting part and the circular steel pipe are filled with concrete 6. In this embodiment, the width of the rectangular cavity is the same as the width of the rectangular steel pipe, and the filled concrete is ultra-fluidized self-compacting concrete. In general, the arrangement interval of the steel strands along the axial direction of the rectangular steel pipe is 0.5-1 m, and the specific interval range can be set according to actual engineering requirements; the prestress applied to the steel strand should not exceed 0.7 times of the ultimate strength of the steel strand, and the specific numerical value is designed according to the actual engineering requirement.
Referring to fig. 2, a schematic view of the annular lock overlap joint between steel pipes in this embodiment is shown; referring to fig. 3, a schematic structural diagram of a rectangular steel pipe and an annular lock catch according to the embodiment is shown; as can be seen from fig. 2 and 3, two sides of the rectangular steel tube 2 are respectively fixed with a pair of matched annular lock catches 3, adjacent steel tubes are connected in a sealing way through the annular lock catches 3 to form a rectangular cavity 14, and the transverse supporting part and the lateral supporting part are respectively formed by connecting a plurality of rectangular steel tubes 2 and the rectangular cavity 14; both ends of the transverse supporting part are connected with the round steel pipe 1.
Referring to fig. 4, a schematic structural diagram of a fixing device for fixing a steel strand inside a round steel push pipe according to this embodiment is shown. The steel strands 4 respectively penetrating through the transverse supporting part and the lateral supporting part are fixed in the circular steel tube 1 by the fixing device 5.
By adopting the pipe curtain supporting structure provided by the embodiment, taking the implementation of the underground excavation station as an example, the adopted technical scheme comprises the following steps:
(1) Shi Zuogong as a well, and installing a device for jacking the steel pipe in the working well;
(2) Prefabricating a circular steel pipe and a rectangular steel pipe: two sides of the rectangular steel pipe are respectively provided with a pair of annular lock catches; a plurality of prefabricated through holes are arranged on the pipe wall at one side of the round steel pipe and the pipe walls at two sides of the rectangular steel pipe in a sectioning mode along axial equal intervals;
(3) Taking a prefabricated round steel pipe as four vertex angles, and jacking the prefabricated round steel pipe sequentially through a pipe jacking machine according to the design position; rectangular steel pipes are sequentially jacked in through a pipe jacking machine between the round steel pipes on two sides and between the round steel pipes in the horizontal direction, adjacent steel pipes are connected in a sealing mode through annular lock catches to form rectangular cavities, a plurality of rectangular steel pipes are sequentially connected with the rectangular cavities, and a lateral supporting part and a transverse supporting part are respectively formed;
(4) The steel strand penetrates through the lateral supporting part and the transverse supporting part through the through holes respectively, two ends of the steel strand are fixed in the round steel pipe through the fixing device, the steel strand is tensioned to exert prestress, and concrete is filled in the lateral supporting part, the transverse supporting part and the round steel pipe;
(5) And after the concrete reaches the design strength, carrying out main construction under the formed pipe curtain supporting structure.
Referring to fig. 5, 6, 7, 8 and 9, schematic diagrams of the station excavation part procedure provided in this embodiment are respectively in sequence; the main body construction comprises the following specific steps:
(1) Referring to fig. 5, the upper pilot tunnel 7 and the lower pilot tunnel 8 are excavated respectively, and the support of each pilot tunnel is carried out simultaneously;
(2) Referring to fig. 6, a bottom longitudinal beam 10 and a waterproof layer are applied in a lower pilot tunnel, a top longitudinal beam 9 and a waterproof layer are applied in an upper pilot tunnel, and then a steel pipe column 11 is applied to form an integral support system;
(3) Referring to fig. 7, firstly excavating a negative layer of middle span soil, then excavating side span soil at the same time, dismantling an upper pilot tunnel structure, and applying a negative layer of top plate and side wall structure;
(4) Referring to fig. 8, the earth is excavated downwards to the position of the middle plate 12 of the negative first layer, a side wall waterproof layer is paved, and a middle plate structure of the negative first layer and a side wall structure are poured to complete a second lining structure of the negative first layer;
(5) Referring to fig. 9, excavating to the designed elevation of the layered plate in sequence downwards, and pouring the waterproof and two-lining structures of the rest layers according to the step (4);
(6) After the middle plate concrete reaches the design strength, excavating to the design elevation of the bottom plate, and chiseling the lower pilot tunnel concrete; constructing a station bottom plate at the middle part of the low longitudinal beam;
(7) After the construction of the bottom plate of the midspan structure is completed and reaches 75% of the design strength, excavating earthwork in the side span range of the section by section and jumping to the lower part of the bottom plate, and applying a cushion layer, a waterproof layer and the bottom plate of the structure;
(8) Referring to fig. 10, a construction schematic diagram of a pipe curtain structure combined hole pile method for constructing a multi-layer multi-span underground subway station according to the present embodiment is provided, and after the concrete strength of the bottom plate 13 reaches 75% of the design strength, the construction is performed by constructing a residual waterproof layer and a side wall of an underground two-layer structure, and then constructing an internal auxiliary facility, so as to complete station construction.
Claims (5)
1. A construction method for constructing a pipe curtain supporting structure of an ultra-shallow buried large-section underground excavation subway station, shi Zuogong is used as a well, and a device for jacking a steel pipe is arranged in the working well, and is characterized in that the construction of the following steps is carried out:
(1) Prefabricating a circular steel pipe (1) and a rectangular steel pipe (2): two sides of the rectangular steel pipe are respectively provided with a pair of annular lock catches (3); a plurality of four corner through holes are arranged on the pipe wall at one side of the round steel pipe and the pipe walls at two sides of the rectangular steel pipe in a sectioning way along the axial equal interval;
(2) Taking a prefabricated round steel pipe as four vertex angles, and jacking the prefabricated round steel pipe sequentially through a pipe jacking machine according to the design position; rectangular steel pipes are sequentially jacked in through a pipe jacking machine between the round steel pipes on two sides and between the round steel pipes with the upper ends in the horizontal direction, adjacent steel pipes are connected in a sealing mode through annular locks to form a rectangular cavity (14), and a plurality of rectangular steel pipes are sequentially connected with the rectangular cavity to form a lateral supporting part and a transverse supporting part respectively;
(3) The steel strand (4) respectively penetrates through the lateral supporting part and the transverse supporting part through the through holes, two ends of the steel strand are fixed in the round steel pipe through the fixing device (5), the steel strand is tensioned to apply prestress, and concrete (6) is filled in the lateral supporting part, the transverse supporting part and the round steel pipe;
(4) After the concrete reaches the design strength, carrying out main construction under the formed pipe curtain supporting structure;
(5) Respectively constructing an upper pilot tunnel (7) and a lower pilot tunnel (8) for excavation, and simultaneously supporting each pilot tunnel;
(6) A bottom longitudinal beam (10) and a waterproof layer are arranged in a lower pilot tunnel, a top longitudinal beam (9) and a waterproof layer are arranged in an upper pilot tunnel, and then a steel pipe column (11) is arranged to form an integral support system;
(7) Firstly excavating a negative layer of middle span soil, then excavating side span soil at the same time, dismantling an upper pilot tunnel structure, and constructing a negative layer of top plate and side wall structure;
(8) Continuously excavating earthwork downwards to the position of the negative first-layer middle plate (12), paving a side wall waterproof layer, pouring a negative first-layer middle plate structure and a side wall structure, and finishing a negative first-layer second-lining structure;
(9) Sequentially excavating downwards to the designed elevation of the layered plate, and pouring the waterproof and two-lining structures of the rest layers according to the step (8);
(10) After the middle plate concrete reaches the design strength, excavating to the design elevation of the bottom plate (13), and chiseling the lower pilot tunnel concrete; constructing a station bottom plate at the middle part of the low longitudinal beam;
(11) After the construction of the bottom plate of the midspan structure is completed and reaches 75% of the design strength, excavating earthwork in the side span range of the section by section and jumping to the lower part of the bottom plate, and applying a cushion layer, a waterproof layer and the bottom plate of the structure;
(12) After the concrete strength of the bottom plate reaches 75% of the design strength, the residual waterproof layer and the side wall of the underground two-layer structure are applied, and then internal auxiliary facilities are applied, so that station construction is completed.
2. The construction method for constructing the pipe curtain supporting structure of the ultra-shallow buried large-section underground excavation subway station, which is disclosed in claim 1, is characterized in that: the width of the rectangular cavity is the same as that of the rectangular steel pipe.
3. The construction method for constructing the pipe curtain supporting structure of the ultra-shallow buried large-section underground excavation subway station, which is disclosed in claim 1, is characterized in that: the arrangement interval of the steel strands along the axial direction of the rectangular steel pipe is 0.5-1 m.
4. The construction method for constructing the pipe curtain supporting structure of the ultra-shallow buried large-section underground excavation subway station, which is disclosed in claim 1, is characterized in that: the concrete filled in the supporting part and the round steel pipe is super-fluid self-compacting concrete.
5. The construction method for constructing the pipe curtain supporting structure of the ultra-shallow buried large-section underground excavation subway station, which is disclosed in claim 1, is characterized in that: the subway station after construction is rectangular in section.
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| CN202110567142.6A CN113279787B (en) | 2021-05-24 | 2021-05-24 | Construction method for constructing pipe curtain supporting structure of ultra-shallow buried large-section underground excavation subway station |
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| CN202110567142.6A CN113279787B (en) | 2021-05-24 | 2021-05-24 | Construction method for constructing pipe curtain supporting structure of ultra-shallow buried large-section underground excavation subway station |
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| CN113279787B true CN113279787B (en) | 2024-05-14 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103244143A (en) * | 2013-05-27 | 2013-08-14 | 中铁工程设计咨询集团有限公司 | Underground engineering tunneling construction method and underground station |
| CN103321659A (en) * | 2013-07-22 | 2013-09-25 | 中铁隧道集团有限公司 | Large-diameter tube curtain support underground excavation construction super-shallow burying large-section subway station structure and construction method |
| CN105464675A (en) * | 2016-02-01 | 2016-04-06 | 北京首尔工程技术有限公司 | Novel surface contact pipe curtain structure and construction method thereof |
| CN108049891A (en) * | 2017-12-08 | 2018-05-18 | 东北大学 | For building the rectangular steel pipe support system of underground engineering with shallow and its construction method |
| CN109555540A (en) * | 2017-09-27 | 2019-04-02 | 上海同吉建筑工程设计有限公司 | Tunnel form prestressed pipe curtain structure and construction method |
| CN109555535A (en) * | 2017-09-27 | 2019-04-02 | 上海同吉建筑工程设计有限公司 | The purlin Xia Lu form prestressed pipe curtain structure and construction method |
| CN111636897A (en) * | 2020-06-18 | 2020-09-08 | 上海隧道工程有限公司 | Bundle pipe curtain structure and construction method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110485473B (en) * | 2019-08-08 | 2021-05-28 | 郑州安源工程技术有限公司 | Assembly type recyclable rectangular working well with preset detachable door opening and construction method thereof |
-
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- 2021-05-24 CN CN202110567142.6A patent/CN113279787B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103244143A (en) * | 2013-05-27 | 2013-08-14 | 中铁工程设计咨询集团有限公司 | Underground engineering tunneling construction method and underground station |
| CN103321659A (en) * | 2013-07-22 | 2013-09-25 | 中铁隧道集团有限公司 | Large-diameter tube curtain support underground excavation construction super-shallow burying large-section subway station structure and construction method |
| CN105464675A (en) * | 2016-02-01 | 2016-04-06 | 北京首尔工程技术有限公司 | Novel surface contact pipe curtain structure and construction method thereof |
| CN109555540A (en) * | 2017-09-27 | 2019-04-02 | 上海同吉建筑工程设计有限公司 | Tunnel form prestressed pipe curtain structure and construction method |
| CN109555535A (en) * | 2017-09-27 | 2019-04-02 | 上海同吉建筑工程设计有限公司 | The purlin Xia Lu form prestressed pipe curtain structure and construction method |
| CN108049891A (en) * | 2017-12-08 | 2018-05-18 | 东北大学 | For building the rectangular steel pipe support system of underground engineering with shallow and its construction method |
| CN111636897A (en) * | 2020-06-18 | 2020-09-08 | 上海隧道工程有限公司 | Bundle pipe curtain structure and construction method thereof |
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