CN203684291U

CN203684291U - Connection structure between underground station and passageway channel of rail traffic

Info

Publication number: CN203684291U
Application number: CN201320880362.5U
Authority: CN
Inventors: 陆明; 曹伟飚; 胡云峰
Original assignee: Shanghai Tunnel Engineering and Rail Transit Design and Research Institute
Current assignee: Shanghai Tunnel Engineering and Rail Transit Design and Research Institute
Priority date: 2013-12-30
Filing date: 2013-12-30
Publication date: 2014-07-02
Anticipated expiration: 2023-12-30

Abstract

The utility model discloses a connection structure between an underground station and a passageway channel of rail traffic. The connection structure comprises a main body structure of the underground station, enclosing structures and a passageway channel which are positioned at the periphery of the main body structure as well as a water stop belt; the connection structure is characterized in that the connection structure also comprises a precast channel; one end of the precast channel and the main body structure form an integral structure; a joint at the other end of the precast channel is communicated with the joint at one end of the passageway channel; one part of the water stop belt is embedded in the joints of the precast channel; the rest part of the water stop belt is embedded in the joints of the passageway channel. The connection structure has the advantages that the structure is simple, the water stop belt can be arranged at the joints of the underground station and the passageway channel and the water leakage phenomenon is prevented; the joints of the precast channel adopt a special structure shaped like the Chinese character ao, so the water stop belt is prevented from being damaged when the enclosing structures are chiseled and removed.

Description

Syndeton between Underground Station and exit and entrance

Technical field

The utility model relates to underground building, is specifically related to the syndeton between a kind of Underground Station and exit and entrance.

Background technology

In recent years, track traffic is built and is on the increase in the whole nation, in Shanghai, built 11 rail lines that are open to traffic before the 2010 World Fair, operation mileage exceedes 400 kilometers, to the year two thousand twenty Shanghai by the urban mass transit network that builds up 970 kilometers.

At present, Underground Station adopts open cut method mostly, in the time applying the space enclosing structure of Underground Station and agent structure, both mostly are the structural form being closely affixed, constuction joint between the agent structure of underground station and exit and entrance (walkway) is close to space enclosing structure, for solving the differential settlement between underground station and exit and entrance, take between that the structure of two road deformation joints is set more simultaneously.The existing defect of said structure is, cannot pre-buried type water-seal band be set in the joint of underground station and exit and entrance, more easily causes this place's percolating water phenomenon, and Qie Er road deformation joint construction method complexity has increased the cost of water proof structure.

Summary of the invention

The purpose of this utility model is according to above-mentioned the deficiencies in the prior art part, syndeton between a kind of Underground Station and exit and entrance is provided, this syndeton by arranging plain concrete piece between agent structure and space enclosing structure, so that build in advance between passage and exit and entrance, pre-buried type water-seal band can be set, and the damage that waterstop caused when avoiding cutting space enclosing structure of joint by adopting " recessed " shape structure.

The utility model object realizes and being completed by following technical scheme:

Syndeton between a kind of Underground Station and exit and entrance, comprise the agent structure of described underground station, be positioned at space enclosing structure and exit and entrance and the waterstop of described agent structure periphery, it is characterized in that described syndeton also comprises builds passage in advance, described one end and described agent structure of building in advance passage is integrally formed structure, one end joint of the joint of the described other end of building in advance passage and described exit and entrance is connected, a part for described waterstop is embedded in described joint of building in advance passage in advance, its remainder is embedded in the joint of described exit and entrance in advance.

In described abutted surface of building in advance the joint of passage and the joint of described exit and entrance, be embedded with water-swellable sealing glue.

Described joint global sections of building in advance passage is " recessed " shape structure, and in the pre-buried female fitting in the inner of described waterstop, the joint of described exit and entrance and described interior female fitting are joined.

Described described exit and entrance size of building in advance passage and after-pouring is suitable.

The utility model has the advantages that, simple in structure, can waterstop be set in the joint of underground station and exit and entrance, prevent the generation of percolating water phenomenon; And the joint of building in advance passage causes damage to waterstop while constructing to avoid cutting space enclosing structure by special " recessed " shape of use.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model;

Fig. 2 is the partial enlarged drawing I in the utility model Fig. 1;

Fig. 3 is the A-A schematic diagram in the utility model Fig. 2;

Fig. 4 is the partial enlarged drawing II in the utility model Fig. 1;

Fig. 5 is the partial enlarged drawing III in the utility model Fig. 1;

Fig. 6 is the partial enlarged drawing IV in the utility model Fig. 1.

The specific embodiment

Feature of the present utility model and other correlated characteristic are described in further detail by embodiment below in conjunction with accompanying drawing, so that technician's of the same trade understanding:

As Fig. 1-6, in figure, mark 1-21 is respectively: agent structure 1, gap 2, space enclosing structure 3, exit and entrance 4, build passage 5, plain concrete piece 6, joint 7, interior female fitting 7.1, outer convex joint 7.2, joint 8, water-swellable sealing glue 9, waterstop 10, constuction joint 11, deformation joint 12, concrete cushion 13, pea gravel concreten topping 14, separation layer 15, single-component polyurethane water-proof paint 16, polymer membranes 17, leveling layer 18, pea gravel concreten topping 19, polymer membranes 20, concrete cushion 21 in advance.

Embodiment: at present, the structural form that between the agent structure of Underground Station and space enclosing structure, many employings are closely affixed, but this class formation cannot arrange pre-buried type water-seal band in the joint of underground station and exit and entrance (also can be described as walkway), easily causes percolating water phenomenon.The present embodiment is specifically related to the syndeton between a kind of Underground Station and exit and entrance, and the joint by applying special tectonic form between underground station and exit and entrance is to solve current existing problem.

Be the syndeton between the present embodiment middle orbit traffic underground station and exit and entrance as Figure 1-3, between the agent structure 1 of underground station and space enclosing structure 3, retain and have a gap 2, in this gap 2, be provided with plain concrete piece 6; One epitaxial lateral overgrowth of agent structure 1 is stretched to have and is built in advance passage 5, and both are structure as a whole, and this builds passage 5 and be supported on the top of plain concrete piece 6 in advance, and between agent structure 1 and space enclosing structure 3; Build in advance between the joint 7 of passage 5 and the joint 8 of exit and entrance 4 and join with the form of constuction joint 11, waterstop 10 is take constuction joint 11 as axis of symmetry, its left and right two parts are embedded in respectively in joint 7 and joint 8 in advance, to prevent the generation of percolating water, and in the inner side of this waterstop 10, be constuction joint 11 places, be also provided with water-swellable sealing glue 9, water-swellable sealing glue 9 can expand filling gap to prevent the further inside seepage of infiltration in the time meeting water; In addition, the cross section of building in advance the end-fitting 7 of passage 5 is " recessed " shape structure, as shown in Figure 2, joint 7 is specifically made up of outer convex joint 7.2 and the female fitting 7.1 that is positioned at outer convex joint 7.2 inner sides, so that constuction joint 11 scope of operations and the space enclosing structure 3 of waterstop 10 are set to keep at a certain distance away, the joint 8 of exit and entrance 4 is concrete to join with interior female fitting 7.1, therefore build in advance constuction joint 11 between passage 5 and exit and entrance 4 be positioned at plain concrete piece 6 directly over, in gap 2.

As shown in Fig. 1-6, the construction method of the syndeton between the present embodiment middle orbit traffic underground station and exit and entrance specifically comprises the following steps:

(1) as shown in Figure 1, Underground Station adopts cut and cover method to construct, successively apply space enclosing structure 3 and be positioned at the underground station agent structure 1 of space enclosing structure 3 inner sides, it should be noted that, the gap 2 of reserving a certain size between agent structure 1 and space enclosing structure 3, a side that need to connect with exit and entrance 4 in agent structure 1 is reserved a certain size gap 2; As shown in Figure 4, the top board top of underground station agent structure 1, is disposed with single-component polyurethane water-proof paint 16, separation layer 15 and pea gravel concreten topping 14 from bottom to top, to avoid underground station top board to occur percolating water phenomenon; As shown in Figure 5, between the side plate of underground station agent structure 1 and space enclosing structure 3, be disposed with from inside to outside polymer membranes 17(P class) and leveling layer 18, there is percolating water phenomenon with the side plate of avoiding underground station; As shown in Figure 6, the base plate below of underground station agent structure 1, be disposed with pea gravel concreten topping 19, polymer membranes 20 and concrete cushion 21 from top to bottom, occur percolating water phenomenon with the base plate below of avoiding underground station, and solid foundation is provided;

(2) as shown in Figure 1, 2, 3, when the latter half of underground station agent structure 1 is constructed to the design height of exit and entrance 4, suspend the construction of agent structure 1, in the gap 2 between itself and space enclosing structure 3, fill plain concrete until the design height of exit and entrance 4, so that the construction of building in advance passage 5 and exit and entrance 4 afterwards; After treating that 6 maintenances of plain concrete piece are complete, continue the construction of agent structure 1 the first half, that builds in a side of agent structure 1 certain length that stretches out builds passage 5 in advance, itself and agent structure 1 are structure as a whole, this builds passage 5 and is positioned at the design height place of exit and entrance 4 in advance, outward extending length is not more than the length in gap 2, that is to say and builds in advance passage 5 between agent structure 1 and space enclosing structure 3; Build in advance passage 5 for joining with the exit and entrance 4 applying afterwards, therefore both sizes are suitable; In addition, the cross section of building in advance the end-fitting 7 of passage 5 is " recessed " shape structure, as shown in Figure 2, joint 7 is specifically made up of outer convex joint 7.2 and the female fitting 7.1 that is positioned at outer convex joint 7.2 inner sides, keep at a certain distance away to constuction joint 11 scope of operations and the space enclosing structure 3 of waterstop 10 are set, in interior female fitting 7.1, be embedded with the left-half of waterstop 10;

(3) as shown in Figure 1, 2, 3, cut afterwards the space enclosing structure 3 at this place, because waterstop 10 is positioned at the inner side of outer convex joint 7.2, be subject to the protection of outer convex joint 7.2, therefore can avoid, in the time cutting space enclosing structure 3, waterstop 10 is caused to damage;

(4) after cutting this place's space enclosing structure 3, carry out the construction of exit and entrance 4, first on this place's ground, build one deck concrete cushion 13 so that solid foundation to be provided, on concrete cushion 13, set up afterwards the template of exit and entrance 4, the residue exposed parts of waterstop 10 is embedded in the template of exit and entrance 4, the inner side preset water-swellable sealing glue 9 of the waterstop 10 in template simultaneously, water-swellable sealing glue 9 can expand filling gap to prevent the further inside seepage of water in the time meeting water, carry out building of exit and entrance 4 thereafter, its joint 8 and the joint of building in advance passage 5 are joined with the form of constuction joint 11, for solving the differential settlement between underground station agent structure 1 and exit and entrance 4, also apply a deformation joint 12 at the rear side of constuction joint 11, because the construction of deformation joint belongs to common technique in this area, therefore do not repeat them here.

The construction method adopting in the present embodiment has following beneficial effect: construction sequence is easy fast, so that the joint of underground station and exit and entrance arranges waterstop smoothly, prevent the generation of percolating water phenomenon by preset clearance between agent structure and space enclosing structure; Because waterstop is subject to the protection of outstanding concrete body (i.e. outer convex joint), the construction sequence that cuts space enclosing structure can not damaged waterstop body, has finally guaranteed waterproof effect of underground station and exit and entrance joint constuction joint.

It should be noted that, this syndeton is not limited to the joint construction between the Underground Station described in the present embodiment and exit and entrance, also applicable to the joint construction between underground building agent structure and its exit and entrance (walkway, passway for escaping etc.) of other cut and cover method.

Claims

1. the syndeton between a Underground Station and exit and entrance, comprise the agent structure of described underground station, be positioned at space enclosing structure and exit and entrance and the waterstop of described agent structure periphery, it is characterized in that described syndeton also comprises builds passage in advance, described one end and described agent structure of building in advance passage is integrally formed structure, one end joint of the joint of the described other end of building in advance passage and described exit and entrance is connected, a part for described waterstop is embedded in described joint of building in advance passage in advance, its remainder is embedded in the joint of described exit and entrance in advance.

2. the syndeton between a kind of Underground Station according to claim 1 and exit and entrance, is characterized in that being embedded with water-swellable sealing glue in described abutted surface of building in advance the joint of passage and the joint of described exit and entrance.

3. the syndeton between a kind of Underground Station according to claim 1 and exit and entrance, it is characterized in that described joint global sections of building in advance passage is " recessed " shape structure, in the pre-buried female fitting in the inner of described waterstop, the joint of described exit and entrance and described interior female fitting are joined.

4. the syndeton between a kind of Underground Station according to claim 1 and exit and entrance, is characterized in that described described exit and entrance size of building in advance passage and after-pouring is suitable.