CN106013253A - Connection node structure of metro transfer station and connection node construction method - Google Patents

Connection node structure of metro transfer station and connection node construction method Download PDF

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Publication number
CN106013253A
CN106013253A CN201610338073.0A CN201610338073A CN106013253A CN 106013253 A CN106013253 A CN 106013253A CN 201610338073 A CN201610338073 A CN 201610338073A CN 106013253 A CN106013253 A CN 106013253A
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CN
China
Prior art keywords
base plate
performs
later stage
diaphragm
water
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.)
Granted
Application number
CN201610338073.0A
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Chinese (zh)
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CN106013253B (en
Inventor
熊竺
余明松
辛亚辉
徐永浩
杨燕伟
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China Railway Siyuan Survey and Design Group Co Ltd
Southwest Survey and Design Co Ltd of China Railway Siyuan Survey and Design Group Co Ltd
Original Assignee
China Railway Siyuan Survey and Design Group Co Ltd
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Priority to CN201610338073.0A priority Critical patent/CN106013253B/en
Publication of CN106013253A publication Critical patent/CN106013253A/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/16Arrangement or construction of joints in foundation structures
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/045Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/02Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water

Abstract

The invention relates to metro construction, and provides a connection node structure of a metro transfer station. The connection node structure comprises a vertical continuous wall and an early fabricated base plate arranged on one side of the continuous wall, and further comprises a first later fabricated base plate and a second later fabricated base plate, wherein the first later fabricated base plate and the second later fabricated base plate are arranged on the other side of the continuous wall; a bent supporting part lower than the early fabricated base plate is arranged at a position, close to the continuous wall, of the first later fabricated base plate; and the second later fabricated base plate is mounted on the bent supporting part, and is connected with the early fabricated base plate after passing through the upper end part of the continuous wall. The invention further provides a construction method. The second later fabricated base plate is mounted on the bent supporting part of the first later fabricated base plate; by the supporting action of the bent supporting part on the second later fabricated base plate, a differential settlement between the second later fabricated base plate and the early fabricated base plate can be eliminated, so that a connection structure between the second later fabricated base plate and the early fabricated base plate and stress are extremely balanced; and furthermore, due to the structural mode, generation of leaking water between the second later fabricated base plate and the early fabricated base plate can be greatly reduced.

Description

Subway transfer station connecting joint structure and connection joint construction method
Technical field
The present invention relates to subway work, particularly relate to a kind of subway transfer station connecting joint structure and connection Joint construction method.
Background technology
For the subway station of cross change and ride, the subway station implemented in advance is station, two layers, underground, in transfer Node location is in advance by F3/B3 transfer node synchronization implementation, as connecing of the transfer station implemented with the later stage Refute condition.The transfer station base plate that station transfer node base plate and the later stage implemented in advance implements need to be attached, Link position is typically processed by construction joint or movement joint.When using construction joint to process, due to even Connecing the priority time interval implemented at station, position longer, after connection, the differential settlement of local will cause additional stress, Extremely disadvantageous to structure stress;According to movement joint, implement station and the connection at later stage enforcement station the most in advance Position differential settlement can overcome, but owing to F3/B3 station buried depth is relatively big, rich groundwater, deformation joint Waterproof be a weak link, be easily caused structural percolating water.
Summary of the invention
It is an object of the invention to provide a kind of subway transfer station connecting joint structure, it is intended to be used for solving now The connection node of some subway transfer stations easily seeps water, the problem that differential settlement is more severe.
The present invention is achieved in that
The embodiment of the present invention provides a kind of subway transfer station connecting joint structure, including the diaphragm wall erect with And be arranged at described connection wall wherein side perform base plate in advance, also include the later stage perform the first base plate and Later stage performs the second base plate, and the described later stage performs the first base plate and performs the second base plate with the described later stage and may be contained within The opposite side of described diaphragm wall, the described later stage performs the first base plate to be had less than described at described diaphragm wall Performing the bending supporting part of base plate in advance, the described later stage performs the second base plate and installs on described bending supporting part And the upper end passing described diaphragm wall is connected with the described base plate that performs in advance.
Further, the upper surface of described bending supporting part is equipped with water-repellant treated layer, and the described later stage performs Two base plates are installed on described water-repellant treated layer.
Further, described bending supporting part has the link slot caved in, institute away from one end of described diaphragm wall Stating the later stage performs the second base plate and has and stretch into the projection of clamping in described link slot.
Further, irrigate pulp-water between the end of described bending supporting part and described diaphragm wall and be connected, and institute Stating the later stage performs the reinforcing bar of the first base plate and stretches in described diaphragm wall.
Further, the described later stage performs the upper end of the second base plate and described later stage and performs the bending of the first base plate Between slip casting connect, and be provided with steel plate water stopper.
Further, the described later stage perform the second base plate with described perform in advance base plate use connector be connected or Person welds, and is provided with water-swellable water-stop glue between.
The embodiment of the present invention also provides for a kind of subway transfer station and connects joint construction method, comprises the following steps:
There is the diaphragm wall of setting in described transfer station underground construction, construct in the wherein side of described diaphragm wall Performing base plate in advance, the described base plate one end that performs in advance abuts to described diaphragm wall;
Performing the first base plate in the opposite side construction later stage of described diaphragm wall, the described later stage performs the first base plate edge Construct away near the direction of described diaphragm wall, and in doing downward being bent to form at described diaphragm wall Bending supporting part, described bending supporting part is connected with described diaphragm wall, and performs base plate in advance less than described;
Cutting the upper end of described diaphragm wall, the later stage of constructing on described bending supporting part performs the second base plate, The described later stage performs the part that the second base plate cuts through described diaphragm wall and is connected with the described base plate that performs in advance, Junction between carries out water-proofing treatment, and the described later stage performs the second base plate away from described diaphragm wall End and the described later stage perform between the first base plate formation construction joint, described construction joint is attached waterproof Process.
Further, described bending supporting part upper surface construction before the described later stage of constructing performs the second base plate Have water-repellant treated layer, described later stage to perform the second base plate to construct on described water-repellant treated layer.
Further, it is embedded with Grouting Pipe, by institute in described bending supporting part and described diaphragm wall contact position State Grouting Pipe and contact position between the two is carried out slip casting.
Specifically, the described later stage is performed the second base plate and is connected by slip casting with described performing in advance between base plate, And in serosity, add water-swellable water-stop glue.
The method have the advantages that in the present invention, the both sides of diaphragm wall performed for second end by the later stage Plate is connected formation connecting joint structure with performing base plate in advance, performs the second base plate side for the later stage, first executes Work is provided with a later stage and performs the first base plate, and make this later stage perform the first base plate time, near continuously One end of wall carries out downwards being bent to form bending supporting part, and the later stage of then constructing on bending supporting part performs the Two base plates, can perform the second base plate and play good supporting role the later stage, such that it is able to after being prevented effectively from Phase performs the second base plate and performs in advance and produce bigger differential settlement between base plate, attachment structure between the two All it is in admirable proportion with stress, additionally uses this bending structure support later stage to perform the second base plate, the most below For base arrangement, can be substantially reduced it and perform the situation of junction generation percolating water between base plate in advance.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to enforcement In example or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below In accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not paying On the premise of going out creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the subway transfer station that Fig. 1 provides for the embodiment of the present invention;
The structural representation of the subway transfer station connecting joint structure that Fig. 2 provides for the embodiment of the present invention;
Fig. 3 is the steel bar connecting structure schematic diagram of the subway transfer station connecting joint structure of Fig. 2;
Fig. 4 is the vertical direction sectional view of the subway transfer station connecting joint structure of Fig. 2.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly Chu, be fully described by, it is clear that described embodiment be only a part of embodiment of the present invention rather than Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation The all other embodiments obtained under property work premise, broadly fall into the scope of protection of the invention.
Seeing Fig. 1 and Fig. 2, the embodiment of the present invention provides a kind of subway transfer station connecting joint structure, main The subway station of cross change and ride to be used for, the transfer between the construction in later period station, station constructed in advance is even Connecing, including diaphragm wall 1 and perform base plate 2 in advance, diaphragm wall 1 vertically pours in underground, performs the end in advance Plate 2 is positioned at the wherein side of diaphragm wall 1, is particularly located at the side, station constructed in advance, and wherein one end Abut to the corresponding surface of diaphragm wall 1, connecting joint structure also include the later stage perform the first base plate 3 and after Phase performs the second base plate 4, and both of which is positioned at the opposite side of diaphragm wall 1, performs the first base plate 3 for the later stage and leans on Having at nearly diaphragm wall 1 less than the bending supporting part 31 performing base plate 2 in advance, the phase after manufacturing that is specially executes When doing the first base plate 3, it is being bent to form downwards " it " word structure, including two at diaphragm wall 1 Horizontal part 32 and a vertical portion 33, vertical portion 33 connects two horizontal parts 32, and three is sequentially connected with shape Becoming bending structure, wherein a horizontal part 32 being positioned at low level is bending supporting part 31, will perform for second end later stage Plate 4 is installed on bending supporting part 31 and is passed the upper end of diaphragm wall 1 and is connected with performing base plate 2 in advance. In the present invention, after generally ensureing to construct, transfer node surface is level, and the later stage performs the first base plate 3 and is positioned at The upper surface of high-order horizontal part 32 with install after later stage perform the second base plate 4 and perform base plate 2 in advance Upper surface the most contour, bending supporting part 31 vertically supports the later stage and performs the second base plate 4, and it can drop significantly The low later stage performs the settling amount of the second base plate 4, performs the second base plate 4 such that it is able to reduce the later stage and executes in advance Do the settlement difference between base plate 2, the structure of both junctions and the stability of stress can be effectively ensured, Simultaneously because the lower section that the later stage performs the second base plate 4 is bending supporting part 31, the most thereunder it is additionally provided with one Layer base plate, it is also possible to be substantially reduced it and perform the situation of junction generation percolating water between base plate 2 in advance. When phase performs the first base plate 3 the most after manufacturing, bending downwards, i.e. at diaphragm wall 1 two meters Bending supporting part 31 performs the second base plate 4 with the later stage and is two meters, and it performs the as the later stage at transfer node One base plate 3 and the attachment structure performed in advance between base plate 2, have the feelings of the effect above after ensureing construction Under condition, additionally it is possible to reduce construction workload.
Seeing Fig. 2, optimize above-described embodiment, the upper surface at bending supporting part 31 is equipped with water-repellant treated layer (not shown), the later stage performs the second base plate 4 and installs on this water-repellant treated layer.In the present embodiment, right Later stage performs and carries out water-proofing treatment at the bending structure of the first base plate 3, is specially the water-proof concrete system that first uses Perform the bending supporting part 31 of the first base plate 3 as the later stage, it lays pea gravel concreten and protects, then Lay self-adhesive coiled material waterproof layer and C20 concrete cushion (using oleo stock to polish) successively, and the later stage performs the Two base plates 4 are installed and are poured on C20 concrete cushion, so that bending supporting part 31 has very Good water resistance, i.e. percolating water are difficult to be performed the second base plate 4 through bending supporting part 31 by the later stage and executed in advance The junction doing base plate 2 is oozed out.
See Fig. 2 and Fig. 3, continue to optimize the later stage perform the first base plate 3 and later stage perform the second base plate 4 it Between attachment structure, cave in away from one end of diaphragm wall 1 at bending supporting part 31 and be formed with link slot 311, I.e. having link slot 311 between bending supporting part 31 and horizontal part 32, the later stage performs the second base plate 4 then to be had Having protruding 41, this projection 41 just clamping is arranged in above-mentioned link slot 311, and the phase after manufacturing that is specially executes When doing the second base plate 4, it has curved 42 foldings of part reinforcing bar and stretches in link slot 311, and then is using coagulation When soil pours, the later stage performs the lower end of the second base plate 4 and has part-structure and be embedded in link slot 311, to protect The card later stage performs the second base plate 4 and the later stage performs the stability of structure between the first base plate 3.Additionally in the later stage Perform the upper end of the second base plate 4 and between the later stage performs the bending downwards of the first base plate 3, i.e. the later stage performs Use slip casting to be connected between second base plate 4 and vertical portion 33, be additionally provided with steel plate water stopper 34 simultaneously, thus Can ensure that the later stage performs the second base plate 4 and the later stage performs and also has relatively between the vertical portion 33 of the first base plate 3 Good water resistance, to this in the horizontal plane the later stage perform the second base plate 4 and later stage perform the first base plate 3 it Between junction between also will not produce infiltration water, before the phase performs the second base plate 4 the most after the production, Yu Hou Phase performs the later stage at the vertical portion 33 of the first base plate 3 and performs the reinforcing bar 35 of the first base plate 3 and later stage and perform the The reinforcing bar 42 of two base plates 4 uses the mode of connector or welding to be attached fixing.
See Fig. 3 and Fig. 4, further, also adopt between end and the diaphragm wall 1 of bending supporting part 31 It is attached with perfusion pulp-water, and the later stage performs the reinforcing bar 35 of the first base plate 3 and stretches in diaphragm wall 1.This reality Execute in example, pouring before the later stage performs the first base plate 3, its part reinforcing bar 35 is stretched in diaphragm wall 1, Perform built-in slip casting pipe 5 between the first base plate 3 and diaphragm wall 1 in the required later stage poured, in bending simultaneously After support part 31 completes, pour serosity between by pre-buried Grouting Pipe 5, so that It is also formed with extraordinary water resistance between diaphragm wall 1 and bending supporting part 31.
Referring again to Fig. 2 and Fig. 3, further, the later stage performs the second base plate 4 and performs base plate 2 in advance Between use connector connect or welding, use pulp-water pour after add water-swellable the most between Water-stop glue.In the present embodiment, the later stage performs the reinforcing bar 42 of the second base plate 4 and the reinforcing bar performing base plate 2 in advance Can connect by the way of connector or welding between 21, then use Grouting Pipe 5 that the later stage performs the Two base plates 4 pour, such that it is able to the structure made in advance effectively be connected with the structure of post-production Being an entirety, water-swellable water-stop glue is then the later stage to perform the second base plate 4 and performs base plate 2 in advance Between carry out water-proofing treatment, further enhance the water resistance of whole connecting joint structure, it is to avoid percolating water.
Seeing Fig. 1-Fig. 4, the embodiment of the present invention also provides for a kind of subway transfer station and connects joint construction method, It is primarily directed to above-mentioned connecting joint structure construct, comprises the following steps:
First make transfer station side in advance, be included in diaphragm wall 1 that underground construction erects and this is continuous Wall 1 wherein side base plate, performs base plate 2 the most in advance, and the one end performing base plate 2 in advance abuts to diaphragm wall 1 Corresponding surface on;
The construction later stage performs the first base plate 3, performs the first base plate 3 in the opposite side construction later stage of diaphragm wall 1, Use relative diaphragm wall 1 direction from far near to construct when making, and doing at diaphragm wall 1 Downward bending is to form above-mentioned bending supporting part 31, and bending supporting part 31 is attached with diaphragm wall 1, And its height is less than performing base plate 2 in advance, before slip casting preparation bending supporting part 31, it usually needs curved Folding supporting part 31 corresponding position and diaphragm wall 1 contact position are embedded with Grouting Pipe 5, and make at bending supporting part 31 After completing, use Grouting Pipe 5 that with diaphragm wall 1, it is carried out slip casting and be connected, typically make bending support After portion 31, surface carries out water-proofing treatment the most on which, and construction has water-repellant treated layer;
The construction later stage performs the second base plate 4, first cuts the upper end of the diaphragm wall 1 constructed in advance, remainder Close with the height of bending supporting part 31, the later stage of constructing on bending supporting part 31 performs the second base plate 4, tool Body performs the second base plate 4 for the later stage of constructing on water-repellant treated layer, and the later stage performs the second base plate 4 along residue continuously The upper end of wall 1 passes and is connected with performing base plate 2 in advance, performs the second base plate 4 in the later stage and performs in advance Junction between base plate 2 carries out water-proofing treatment, in this place in water-proofing treatment, the most also It is embedded with Grouting Pipe 5, performs the second base plate 4 by the slip casting connection later stage and perform base plate 2 in advance, and filling The serosity of note can add above-mentioned water-swellable water-stop glue, simultaneously the later stage perform the second base plate 4 away from The end of connection wall and later stage perform formation construction joint between the first base plate 3, are also carried out waterproof to this construction joint Processing, the water-proofing treatment herein is the most also that construction joint is attached by the mode using slip casting, exists simultaneously Being provided with steel plate water stopper 34 in construction joint, water resistance is the best.
In above-mentioned construction procedure, perform base plate 2 the most in advance, the later stage performs the first base plate 3 and after Phase performs the making of the second base plate 4, carries out water-proofing treatment in respective junction simultaneously, and the later stage performs second Base plate 4 is to perform base plate 2 in advance and the later stage performs the attachment structure between the first base plate 3, not only can have Effect ensures settlement difference between base plate and later stage floor in advance, simultaneously it can be avoided that infiltration water, reduces rear The impact of phase metro operation, additionally this kind of mode simple in construction, construct the most more convenient.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this Within bright spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included in this Within bright protection domain.

Claims (10)

1. a subway transfer station connecting joint structure, including erect diaphragm wall and be arranged at described company Connect wall wherein side performs base plate in advance, it is characterised in that: also include the later stage perform the first base plate and after Phase performs the second base plate, and the described later stage performs the first base plate and the described later stage performs the second base plate and may be contained within institute Stating the opposite side of diaphragm wall, the described later stage performs the first base plate to be had less than described elder generation at described diaphragm wall Phase performs the bending supporting part of base plate, the described later stage perform the second base plate install on described bending supporting part and Upper end through described diaphragm wall is connected with the described base plate that performs in advance.
2. subway transfer station connecting joint structure as claimed in claim 1, it is characterised in that: described curved The upper surface of folding supporting part is equipped with water-repellant treated layer, and the described later stage performs the second base plate and installs in described waterproof Process on layer.
3. subway transfer station connecting joint structure as claimed in claim 1, it is characterised in that: described curved Folding supporting part has, away from one end of described diaphragm wall, the link slot caved in, and the described later stage performs the second base plate tool Have and stretch into the projection of clamping in described link slot.
4. subway transfer station connecting joint structure as claimed in claim 1, it is characterised in that: described curved Irrigate pulp-water between end and the described diaphragm wall of folding supporting part to be connected, and the described later stage performs the first base plate Reinforcing bar stretches in described diaphragm wall.
5. subway transfer station connecting joint structure as claimed in claim 1, it is characterised in that: after described Phase performs the upper end of the second base plate and performs slip casting between the bending place of the first base plate with the described later stage and be connected, and sets It is equipped with steel plate water stopper.
6. subway transfer station connecting joint structure as claimed in claim 1, it is characterised in that: after described Phase performs the second base plate and uses connector be connected or weld with the described base plate that performs in advance, and between It is provided with water-swellable water-stop glue.
7. a subway transfer station connects joint construction method, it is characterised in that comprise the following steps:
There is the diaphragm wall of setting in described transfer station underground construction, construct in the wherein side of described diaphragm wall Performing base plate in advance, the described base plate one end that performs in advance abuts to described diaphragm wall;
Performing the first base plate in the opposite side construction later stage of described diaphragm wall, the described later stage performs the first base plate edge Construct away near the direction of described diaphragm wall, and in doing downward being bent to form at described diaphragm wall Bending supporting part, described bending supporting part is connected with described diaphragm wall, and performs base plate in advance less than described;
Cutting the upper end of described diaphragm wall, the later stage of constructing on described bending supporting part performs the second base plate, The described later stage performs the part that the second base plate cuts through described diaphragm wall and is connected with the described base plate that performs in advance, Junction between carries out water-proofing treatment, and the described later stage performs the second base plate away from described diaphragm wall End and the described later stage perform between the first base plate formation construction joint, described construction joint is attached waterproof Process.
8. subway transfer station as claimed in claim 7 connects joint construction method, it is characterised in that: in Construct the described later stage perform the second base plate before described bending supporting part upper surface construction have water-repellant treated layer, institute Stating the later stage performs the second base plate and constructs on described water-repellant treated layer.
9. subway transfer station as claimed in claim 7 connects joint construction method, it is characterised in that: in Described bending supporting part and described diaphragm wall contact position are embedded with Grouting Pipe, by described Grouting Pipe to both it Between contact position carry out slip casting.
10. subway transfer station as claimed in claim 7 connects joint construction method, it is characterised in that: The described later stage is performed the second base plate and is connected by slip casting with described performing in advance between base plate, and adds in serosity Add water-swellable water-stop glue.
CN201610338073.0A 2016-05-19 2016-05-19 Subway transfer station connecting joint structure and connecting node construction method Active CN106013253B (en)

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CN106013253B CN106013253B (en) 2018-11-16

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Publication number Priority date Publication date Assignee Title
CN109555163A (en) * 2018-11-29 2019-04-02 上海市机械施工集团有限公司 The waterproof method of structure connection seam

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CN201326185Y (en) * 2008-12-15 2009-10-14 上海市第二建筑有限公司 Connection joint structure of subway station bottom plates on sealing wall
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CN103590427A (en) * 2013-11-14 2014-02-19 苏州工业园区设计研究院股份有限公司 Foundation slab post-cast concrete strip structure
CN103741716A (en) * 2013-12-30 2014-04-23 上海建工二建集团有限公司 Method for foundation pit connecting channel construction under semi-reverse construction method and connecting auxiliary structure
CN105484287A (en) * 2015-02-06 2016-04-13 中铁隧道勘测设计院有限公司 Design and construction method of joining new subway station and existing subway station by holing baseplates
CN105507347A (en) * 2015-12-18 2016-04-20 上海建工七建集团有限公司 New and old baseplate seamless connecting structure and construction method thereof

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CN201326184Y (en) * 2008-12-15 2009-10-14 上海建工股份有限公司 Connection joint structure for top plate of subway station and bottom plate of foundation pit
CN201326185Y (en) * 2008-12-15 2009-10-14 上海市第二建筑有限公司 Connection joint structure of subway station bottom plates on sealing wall
JP2012158891A (en) * 2011-01-31 2012-08-23 Shimizu Corp Construction method of pit-in type tank
CN103590427A (en) * 2013-11-14 2014-02-19 苏州工业园区设计研究院股份有限公司 Foundation slab post-cast concrete strip structure
CN103741716A (en) * 2013-12-30 2014-04-23 上海建工二建集团有限公司 Method for foundation pit connecting channel construction under semi-reverse construction method and connecting auxiliary structure
CN105484287A (en) * 2015-02-06 2016-04-13 中铁隧道勘测设计院有限公司 Design and construction method of joining new subway station and existing subway station by holing baseplates
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109555163A (en) * 2018-11-29 2019-04-02 上海市机械施工集团有限公司 The waterproof method of structure connection seam

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