CN107130629B - A kind of assembled station construction method using anchor cable and bracing members building enclosure - Google Patents
A kind of assembled station construction method using anchor cable and bracing members building enclosure Download PDFInfo
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- CN107130629B CN107130629B CN201710305904.9A CN201710305904A CN107130629B CN 107130629 B CN107130629 B CN 107130629B CN 201710305904 A CN201710305904 A CN 201710305904A CN 107130629 B CN107130629 B CN 107130629B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/04—Making large underground spaces, e.g. for underground plants, e.g. stations of underground railways; Construction or layout thereof
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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses a kind of assembled station construction methods using anchor cable and bracing members building enclosure, comprising the following steps: the job execution for carrying out fender post goes along with sb. to guard him excavation Cast-in-Situ Segment foundation pit at the Cast-in-Situ Segment in region in fender post；Cast-in-Situ Segment bottom plate is made in Cast-in-Situ Segment foundation pit；Load segment foundation pit is excavated at load segment, is reserved 14m forward since Cast-in-Situ Segment edge in load segment foundation pit as trolley and is assembled section；Smart flat ribbon is performed, the assembling construction of station bottom plate block is carried out, until length reaches 14m；Carry out the assembly working of trolley；Station abutment wall block and station is carried out to bind the assembled work of block；Continue the assembled work of station bottom plate block, then bracing members push trolley to move forward, continue station abutment wall block and station is bound the assembled work of block.Beneficial effects of the present invention: it is also able to achieve the construction at assembled station in the area of complicated geology, the construction time is not only shortened, also ensures the safety of construction.
Description
Technical field
The present invention relates to assembled metro station construction technical fields, it particularly relates to which a kind of use anchor cable and steel branch
Support the assembled station construction method of building enclosure.
Background technique
The prefabricated assembled station of subway is generally constructed in bustling down town, and main feature is exactly after the completion of station is excavated
Quick-assembling shortens foundation pit exposure duration, accelerates construction progress, and reduction accounts for the road time.
The construction method of traditional subway station assembly trolley is: traditional assembled station both ends air duct position is coagulation
Native cast-in-place structural construction, centre are fabricated construction, and the building enclosure of Cast-in-Situ Segment is the form of common fender post+bracing members,
The building enclosure of load segment is fender post+anchor cable form, after the completion of excavation of foundation pit, is constructed smart flat ribbon in load segment, to strong
Complete 7 ring of station bottom plate block assembly (is reached trolley and uses length) by degree after meeting the requirements, and then installs assembled type trolley, trolley peace
It installs into laggard driving station abutment wall block and station is bound the subsequent assembling construction of block.
The construction method of traditional subway station assembly trolley the disadvantage is that: 1) bad adaptability of the anchor cable construction to stratum；2)
When stratum water content is big, the frictional force of anchor cable can reduce, and the stress loss of anchor cable influences deep pit monitor；3) in farinose argillic horizon
The connectivity on middle slurries and stratum is poor, not can guarantee the pulling capacity of anchor cable.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Summary of the invention
For above-mentioned technical problem in the related technology, the present invention proposes a kind of using anchor cable and bracing members building enclosure
Assembled station construction method, shortens the construction time, ensure that the safety of work progress.
To realize the above-mentioned technical purpose, the technical scheme of the present invention is realized as follows:
A kind of assembled station construction method using anchor cable and bracing members building enclosure, comprising the following steps:
The job execution that S1 carries out fender post goes along with sb. to guard him region in several fender posts after the intensity of fender post reaches requirement
Cast-in-Situ Segment foundation pit is excavated at interior Cast-in-Situ Segment, after at Cast-in-Situ Segment excavation of foundation pit to bracing members construction elevation in time on fender post
Bracing members construction is carried out, continues the excavation of Cast-in-Situ Segment foundation pit after the completion of bracing members are set up, until Cast-in-Situ Segment excavation of foundation pit
It completes；
S2 carries out waterproof, assembling reinforcement and concrete construction in Cast-in-Situ Segment foundation pit, Cast-in-Situ Segment bottom plate is made；
S3 goes along with sb. to guard him excavation load segment foundation pit at the load segment in region on front side of Cast-in-Situ Segment, and to be assembled section in several fender posts
Anchor cable construction is carried out to fender post at excavation of foundation pit to anchor cable absolute altitude, it is pre- forward since Cast-in-Situ Segment edge in load segment foundation pit
Stay 14m as trolley assemble section, and to be assembled section of excavation of foundation pit to bracing members absolute altitude after to be located at trolley assembling section on front side of
Fender post carries out bracing members construction, until load segment excavation of foundation pit is completed；
It is laid with concrete after the completion of to be assembled section of excavation of foundation pit of S4 to perform smart flat ribbon, is conformed to smart flat ribbon hardness
The assembling construction for carrying out bottom plate block in station after asking in trolley assembling section, until station bottom plate block assembly length reaches 14m；
S5 AT STATION bottom plate block top carry out trolley assembly working；
S6 carries out station abutment wall block and station and binds the assembled work of block after trolley is completed, and guarantees station
The assembled length of the assembled length of abutment wall block is 2m shorter than the assembled length of station bottom plate block and station is bound block is than station abutment wall
Then the short 2m of assembled length of block makes to be located at concrete bearing and fender post phase that station is bound at left and right sides of block at tensioning bracket
Even to support station to bind block；
S7 continues the assembled work of station bottom plate block, while successively removing the bracing members in load segment foundation pit, then
It pushes trolley to move forward, to continue station abutment wall block and station is bound the assembled work of block, and guarantees station abutment wall
The assembled length of block is 2m shorter than the assembled length of station bottom plate block, guarantee station bind block assembled length than station abutment wall block
The assembled short 2m of length, and guarantee that station the distance between the bracing members do not removed of block distance that bind are no more than 8m.
Further, several anchor cables are evenly equipped with along its axis direction on each fender post.
Further, the bracing members are set up between the fender post at left and right sides of the load segment foundation pit.
Further, in S4, the assembled work of the station bottom plate block at least wants assembled and completes 7 rings, and every ring length is
2m。
Further, in S4 and S7, the back of station bottom plate block is carried out after the completion of the station bottom plate block assembling construction
Fertile slot backfilling working afterwards.
Further, in S6 and S7, when station abutment wall block and station bind block assembled work after the completion of, carry out station
The behind fertilizer slot backfilling working of abutment wall block.
Beneficial effects of the present invention: it is also able to achieve the construction at assembled station in the area of complicated geology, is not only shortened
Construction time also ensures the safety of construction.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the top view during the assembled station construction described according to embodiments of the present invention；
Fig. 2 is the left side view during assembled station construction according to figure 1；
Fig. 3 is the front view during assembled station construction according to figure 1.
In figure:
1, Cast-in-Situ Segment；2, load segment；3, fender post；4, anchor cable；5, trolley；6, station bottom plate block；7, station abutment wall block；8,
Bind block at station；9, concrete bearing；10, bracing members；11, trolley assembles section.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art's every other embodiment obtained belong to what the present invention protected
Range.
As shown in Figure 1-3, a kind of assembly using anchor cable and bracing members building enclosure according to embodiments of the present invention
Formula station construction method, comprising the following steps:
S1 carries out the job execution of fender post 3, after the intensity of fender post 3 reaches requirement, in several 3 envelopes of fender post
Cast-in-Situ Segment foundation pit is excavated at Cast-in-Situ Segment 1 in domain, is being gone along with sb. to guard him in time after at Cast-in-Situ Segment excavation of foundation pit to bracing members construction elevation
Bracing members construction is carried out in stake 3, continues the excavation of Cast-in-Situ Segment foundation pit after the completion of bracing members 10 are set up, until Cast-in-Situ Segment base
Hole, which is excavated, completes；
S2 carries out waterproof, assembling reinforcement and concrete construction in Cast-in-Situ Segment foundation pit, Cast-in-Situ Segment bottom plate is made；
S3 goes along with sb. to guard him in region in several fender posts 3 and excavates load segment foundation pit at the load segment 2 of 1 front side of Cast-in-Situ Segment, and to be installed
With at section excavation of foundation pit to anchor cable absolute altitude to fender post 3 carry out anchor cable construction, in load segment foundation pit since 1 edge of Cast-in-Situ Segment
Forward reserve 14m as trolley assemble section 11, and to be assembled section of excavation of foundation pit to bracing members absolute altitude after to be located at trolley assembling
The fender post 3 of 11 front side of section carries out bracing members construction, until load segment excavation of foundation pit is completed；
It is laid with concrete after the completion of to be assembled section of excavation of foundation pit of S4 to perform smart flat ribbon, is conformed to smart flat ribbon hardness
The assembling construction of station bottom plate block 6 is carried out after asking in trolley assembling section 11, until the assembled length of station bottom plate block 6 reaches 14m；
S5 AT STATION bottom plate block 6 top carry out trolley 5 assembly working；
S6 carries out station abutment wall block 7 and station and binds the assembled work of block 8 after trolley 5 is completed, and guarantees vehicle
The assembled length of assembled length is 2m shorter than the assembled length of station bottom plate block 6 and station is bound block 8 of abutment wall block 7 of standing compares station
The short 2m of assembled length of abutment wall block 7, then make to be located at concrete bearing 9 that station is bound at 8 left and right sides tensioning bracket of block with
Fender post 3 is connected to support station to bind block 8；
S7 continues the assembled work of station bottom plate block 6, while successively removing the bracing members 10 in load segment foundation pit, so
It pushes trolley 5 to move forward afterwards, to continue station abutment wall block 7 and station is bound the assembled work of block 8, and guarantees station
The assembled length of abutment wall block 7 is 2m shorter than the assembled length of station bottom plate block 6, guarantees that the bind assembled length of block 8 of station compares station
The short 2m of assembled length of abutment wall block 7, and guarantee that the station block 8 that binds is no more than apart from the distance between the bracing members 10 that do not remove
8m。
In one particular embodiment of the present invention, several anchors are evenly equipped with along its axis direction on each fender post 3
Rope 4.
In one particular embodiment of the present invention, it is set up between the fender post 3 at left and right sides of the load segment foundation pit
The bracing members 10.
In one particular embodiment of the present invention, in S4, the assembled work of the station bottom plate block 6 at least wants assembled
7 rings are completed, every ring length is 2m.
In one particular embodiment of the present invention, in S4 and S7, after the completion of 6 assembling construction of station bottom plate block
Carry out the behind fertilizer slot backfilling working of station bottom plate block 6.
In one particular embodiment of the present invention, in S6 and S7, when station abutment wall block 7 and station are bound the spelling of block 8
After the completion of filling work, the behind fertilizer slot backfilling working of station abutment wall block 7 is carried out.
In order to facilitate understanding above-mentioned technical proposal of the invention, below by way of in specifically used mode to of the invention above-mentioned
Technical solution is described in detail.
The main improvement of the present invention has: 1) since the ground adaptability of anchor cable construction is poor, using fender post 3+ anchor cable 4
Support form is unable to satisfy building enclosure stabilization and pile body deforms excessive situation, and the present invention uses fender post 3+ anchor cable 4+ steel branch
The building enclosure form of support 10 only assembles about 14 meters of section 11(length in trolley) it is not provided with bracing members；2) load segment foundation pit is excavated
Perform smart flat ribbon, station bottom plate block 6 and assembling trolley 5 in time after the completion；3) adjustment assembly working procedure is with dismounting bracing members
10 with carry out station bottom plate block 6, station abutment wall block 7 and station are bound the assembly of block 8, the bracing members 10 that do not remove are sealed at station
The distance of jacking block 8 is no more than 8 meters；4) the fertile slot backfill of station bottom plate block 6 is carried out after the completion of station bottom plate block 6 is assembled in time；5)
Station abutment wall block 7 and station are bound, and 8 assembly of block after the completion construct in time by the fertile slot backfill of progress remainder.
Specifically: (1) excavation of foundation pit, foundation pit using benching tunnelling method excavate, be excavated to after anchor cable or bracing members construction elevation and
Shi Jinhang anchor cable or bracing members construction, 4 tensioning fixation of anchor cable or bracing members 10 carry out next step excavation construction after the completion of setting up again,
Until Cast-in-Situ Segment foundation pit and load segment excavation of foundation pit are completed.
(2) Cast-in-Situ Segment concrete construction, after the completion of Cast-in-Situ Segment excavation of foundation pit according to design drawing require to perform in time waterproof,
Assembling reinforcement and casting concrete.
(3) trolley assembling section component assembly construction, reserves forward 14m since 1 edge of Cast-in-Situ Segment in load segment foundation pit
Assemble section 11 as trolley, perform smart flat ribbon in time after the completion of load segment excavation of foundation pit, after smart flat ribbon reaches intensity
Trolley assembles the assembling construction that station bottom plate block 6 is carried out in section 11, carries out in time after assembled 7 rings (14 meters) station bottom plate block 6
The fertile slot of station bottom plate block 6 backfills behind.
(4) trolley assembles, and the assembling construction of assembled type trolley 5 is carried out after the completion of 7 ring station bottom plate block 6 is assembled.
(5) station abutment wall block 7 and station are bound the assembly of block 8, and trolley 5 is installed laggard driving station abutment wall block 7 and vehicle
Bind the assembling construction of block 8 at station, first 6 ring station abutment wall blocks 7 of assembly, binds block 8, i.e. station bottom plate block 6 most at 5 ring stations of assembly
Front end is overtaken other vehicles stand 2 meters of 7 front end of abutment wall block (2 meters of every ring), and 7 front end of station abutment wall block station of overtaking other vehicles is bound 2 meters of 8 front end of block,
Station bind block 8 it is assembled after the completion of the concrete bearing 9 and building enclosure phase that are bound at 8 left and right sides tensioning bracket of block AT STATION
Temporary support plays the role of in company, and backfills as early as possible to the behind fertilizer slot of station abutment wall block 7.According to sequence described above with dismounting
Bracing members 10 guarantee that construction length (binds block 8 between the bracing members 10 that do not remove in station with assembled assembled station
Distance) it is no more than 8m, to guarantee the safety and stability of foundation pit.
To sum up, by means of above-mentioned technical proposal of the invention, assembled station is also able to achieve in the area of complicated geology
Construction, not only shortens the construction time, also ensures the safety of construction.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of assembled station construction method using anchor cable and bracing members building enclosure, which is characterized in that including following step
It is rapid:
The job execution that S1 carries out fender post (3) is gone along with sb. to guard him after the intensity of fender post (3) reaches requirement in several fender posts (3)
Cast-in-Situ Segment foundation pit is excavated at Cast-in-Situ Segment (1) in region, is existed in time after at Cast-in-Situ Segment excavation of foundation pit to bracing members construction elevation
Bracing members construction is carried out on fender post (3), continues the excavation of Cast-in-Situ Segment foundation pit after the completion of bracing members (10) are set up, until
Cast-in-Situ Segment excavation of foundation pit is completed；
S2 carries out waterproof, assembling reinforcement and concrete construction in Cast-in-Situ Segment foundation pit, Cast-in-Situ Segment bottom plate is made；
S3 goes along with sb. to guard him in several fender posts (3) and excavates load segment foundation pit at the load segment (2) on front side of Cast-in-Situ Segment in region (1), and to
Anchor cable construction is carried out to fender post (3) at load segment excavation of foundation pit to anchor cable absolute altitude, from Cast-in-Situ Segment (1) side in load segment foundation pit
Edge starts to reserve forward 14m as trolley and assembles section (11), and to be assembled section of excavation of foundation pit to bracing members absolute altitude after to being located at
Trolley assembles the fender post (3) on front side of section (11) and carries out bracing members construction, until load segment excavation of foundation pit is completed；
Concrete is laid with after the completion of to be assembled section of excavation of foundation pit of S4 to perform smart flat ribbon, after smart flat ribbon hardness meets the requirements
The assembling construction of station bottom plate block (6) is carried out in trolley assembling section (11), until the assembled length of station bottom plate block (6) reaches
14m；
S5 AT STATION bottom plate block (6) top carry out trolley (5) assembly working；
S6 carries out the assembled of block (8) of binding of station abutment wall block (7) and station and works after trolley (5) is completed, and guarantees
The assembly of the assembled length of station abutment wall block (7) is 2m shorter than the assembled length of station bottom plate block (6) and station is bound block (8) is long
Spend it is 2m shorter than the assembled length of station abutment wall block (7), then make to be located at station bind it is mixed at tensioning bracket at left and right sides of block (8)
Solidifying soil support (9) is connected to support station to bind block (8) with fender post (3)；
S7 continues the assembled work of station bottom plate block (6), while successively removing the bracing members (10) in load segment foundation pit, so
It pushes trolley (5) to move forward afterwards, to continue station abutment wall block (7) and station the assembled of block (8) of binding works, and protects
The assembled length for demonstrate,proving station abutment wall block (7) is 2m shorter than the assembled length of station bottom plate block (6), guarantees that station is bound the spellings of block (8)
Dress length is 2m shorter than the assembled length of station abutment wall block (7), and guarantees that block (8) are bound apart from the bracing members that do not remove in station
The distance between (10) it is no more than 8m.
2. the assembled station construction method according to claim 1 using anchor cable and bracing members building enclosure, feature
It is, is evenly equipped with several anchor cables (4) along its axis direction on each fender post (3).
3. the assembled station construction method according to claim 1 using anchor cable and bracing members building enclosure, feature
It is, sets up the bracing members (10) between the fender post (3) at left and right sides of the load segment foundation pit.
4. the assembled station construction method according to claim 1 using anchor cable and bracing members building enclosure, feature
It is, in S4, the assembled work of the station bottom plate block (6) at least wants assembled and completes 7 rings, and every ring length is 2m.
5. the assembled station construction method according to claim 1 using anchor cable and bracing members building enclosure, feature
It is, in S4 and S7, the behind fertilizer slot of station bottom plate block (6) is carried out after the completion of station bottom plate block (6) assembling construction
Backfilling working.
6. the assembled station construction method according to claim 1 using anchor cable and bracing members building enclosure, feature
Be, in S6 and S7, when station abutment wall block (7) and station bind block (8) assembled work after the completion of, carry out station abutment wall block
(7) behind fertilizer slot backfilling working.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710305904.9A CN107130629B (en) | 2017-05-03 | 2017-05-03 | A kind of assembled station construction method using anchor cable and bracing members building enclosure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710305904.9A CN107130629B (en) | 2017-05-03 | 2017-05-03 | A kind of assembled station construction method using anchor cable and bracing members building enclosure |
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| Publication Number | Publication Date |
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| CN107130629A CN107130629A (en) | 2017-09-05 |
| CN107130629B true CN107130629B (en) | 2019-05-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022033503A1 (en) * | 2020-08-11 | 2022-02-17 | 中铁八局集团昆明铁路建设有限公司 | Construction method for dismantling concrete supports of prefabricated subway station |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113668601B (en) * | 2021-07-22 | 2023-04-14 | 中铁八局集团昆明铁路建设有限公司 | Subway station assembly section construction method for open cut foundation pit steel support supporting system |
| CN113622461A (en) * | 2021-08-11 | 2021-11-09 | 中铁工程机械研究设计院有限公司 | Construction method of assembled subway station |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0988103A (en) * | 1995-09-20 | 1997-03-31 | Shimizu Corp | Method of constructing underground structure |
| CN202577313U (en) * | 2012-04-11 | 2012-12-05 | 江苏南通三建集团有限公司 | Supporting combined system for deep foundation pit |
| CN103912010B (en) * | 2014-04-04 | 2015-08-12 | 北京城建设计发展集团股份有限公司 | The prefabricated assembled Underground Construction method of open cut |
| CN106223360B (en) * | 2016-07-07 | 2018-07-10 | 中铁六局集团有限公司 | Using the open cut cast in place and precast construction subway station construction method of stake supporting system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022033503A1 (en) * | 2020-08-11 | 2022-02-17 | 中铁八局集团昆明铁路建设有限公司 | Construction method for dismantling concrete supports of prefabricated subway station |
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