CN104099944B - The construction method of subway station and large span accessory structure interface - Google Patents
The construction method of subway station and large span accessory structure interface Download PDFInfo
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- CN104099944B CN104099944B CN201410355997.2A CN201410355997A CN104099944B CN 104099944 B CN104099944 B CN 104099944B CN 201410355997 A CN201410355997 A CN 201410355997A CN 104099944 B CN104099944 B CN 104099944B
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- fender post
- bracing members
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Abstract
The construction method of a kind of subway station and large span accessory structure interface, relate to Construction Technology field, comprise the following steps: perform accessory structure fender post and to come of age beam, then bottom soil excavation to hat beam, according to needing the mark bracing members erection stake position, position of setting up bracing members in foundation ditch, and mark the agent structure fender post that need abolish for the first time; Cut-out agent structure fender post and Guan Liang join the steel concrete at position; Pit earthwork sets up bracing members when being excavated to bracing members erection absolute altitude, and then excavation is to substrate; The agent structure fender post that the first time of abolishing mark need abolish, and the base plate and the first bottom plate rear pouring tape that perform accessory structure; Treat that base plate and the first bottom plate rear pouring tape have performed, and base plate strength meets bracing members removes when requiring, remove bracing members and also abolish remaining agent structure fender post, then apply the second bottom plate rear pouring tape, complete the connection with agent structure, then apply all the other structures successively from bottom to top.
Description
Technical field
The present invention relates to Construction Technology field, is specifically the construction method of a kind of subway station and large span accessory structure interface.
Background technology
At present, in the large span accessory structure Construction of Deep Excavation Engineering of subway station, especially when surrounding enviroment are more complicated, in order to ensure the quality of engineering and the safety of construction, can increase the bracing members between agent structure fender post and accessory structure fender post during usual design, its construction sequence is:
1, shown in Figure 1, perform accessory structure fender post 4 and to come of age beam 6, then bottom soil excavation to hat beam 6.
2, shown in Figure 2, pit earthwork is excavated to bracing members 5 when setting up absolute altitude, sets up bracing members 5, be then excavated to substrate between agent structure fender post 3 and accessory structure fender post 4.
3, shown in Figure 3, perform the base plate 21 of accessory structure 2, side wall 22, top board 23.
4, shown in Figure 4, after base plate 21, side wall 22, top board 23 have performed, and base plate 21 intensity meets bracing members 5 removes when requiring, remove bracing members 5 and abolish agent structure fender post 3, perform bottom plate rear pouring tape 24, side wall ater-casting 25, top board ater-casting 26, complete the connection with agent structure 1.
The method abolishes the sequence of construction of agent structure fender post again after adopting accessory structure major part to construct, deformation joint and agent structure position process as ater-casting.Therefore, when carrying out agent structure fender post and abolishing, construction space is narrow and small, causes concrete block to clear difficulty, and needs to construct with subsequent structural cross-operation, the quality not only existed, potential safety hazard, and causes the duration slow.
Summary of the invention
For the defect existed in prior art, the object of the present invention is to provide the construction method of a kind of subway station and large span accessory structure interface, instant invention overcomes the quality, the potential safety hazard that exist when agent structure fender post is abolished, and efficiency of construction is high, shortens the duration.
For reaching above object, the technical scheme that the present invention takes is: the construction method of a kind of subway station and large span accessory structure interface, comprise the following steps: step S1. performs accessory structure fender post and to come of age beam, then bottom soil excavation to hat beam, according to needing the mark bracing members erection stake position, position of setting up bracing members in foundation ditch, and mark the agent structure fender post that need abolish for the first time; Cut-out agent structure fender post and Guan Liang join the steel concrete at position; When step S2. pit earthwork is excavated to bracing members erection absolute altitude, between agent structure fender post and accessory structure fender post, set up bracing members, then excavation is to substrate; Step S3. abolishes the agent structure fender post that first time of marking in step S1 need abolish, and performs base plate and first bottom plate rear pouring tape of accessory structure; Step S4. treats that base plate and the first bottom plate rear pouring tape have performed, and base plate strength meets bracing members removes when requiring, remove bracing members and also abolish remaining agent structure fender post, then apply the second bottom plate rear pouring tape, complete the connection with agent structure, then apply all the other structures successively from bottom to top.
On the basis of technique scheme, in step S1, according to the spacing of bracing members erection stake position, mark the agent structure fender post that need abolish for the first time.
On the basis of technique scheme, in step S2, between agent structure fender post and accessory structure fender post, set up bracing members, be wherein connected by waist rail between bracing members with agent structure fender post, between bracing members with accessory structure fender post.
On the basis of technique scheme, in step S3, after described first bottom plate rear pouring tape refers to and abolishes agent structure fender post for the first time, the joint of base plate and agent structure.
On the basis of technique scheme, in step S4, after described second bottom plate rear pouring tape refers to and abolishes remaining agent structure fender post, the joint of remaining base plate and agent structure.
On the basis of technique scheme, in step S4, describedly apply all the other structures successively from bottom to top, comprise the side wall and top board that apply accessory structure, wherein adopt one-time-concreting to complete applying of top board.
On the basis of technique scheme, in step S4, described base plate strength meets bracing members dismounting and requires to refer to that the intensity of base plate reaches more than 75% of design load.
Beneficial effect of the present invention is:
1, agent structure fender post is abolished by the present invention at twice, and the agent structure fender post that first time abolishes determines according to the erection spacing of bracing members, under the prerequisite ensureing construction safety, the construction space expanding subsequent handling overcomes the quality, the potential safety hazard that exist when agent structure fender post is abolished, and do not affect by other operations, improve efficiency of construction, shorten the duration.
2, the present invention adopts one-time-concreting to complete applying of top board, further improves efficiency of construction, shortens the duration.
Accompanying drawing explanation
Fig. 1 is the structural representation of conventional construction method step 1 in background technology;
Fig. 2 is the structural representation of conventional construction method step 2 in background technology;
Fig. 3 is the structural representation of conventional construction method step 3 in background technology;
Fig. 4 is the structural representation of conventional construction method step 4 in background technology;
Fig. 5 is the structural representation of the construction method step S1 of subway station and large span accessory structure interface in the embodiment of the present invention;
Fig. 6 is the structural representation of the construction method step S2 of subway station and large span accessory structure interface in the embodiment of the present invention;
Fig. 7 is the top view of Fig. 6;
Fig. 8 is the structural representation of the construction method step S3 of subway station and large span accessory structure interface in the embodiment of the present invention;
Fig. 9 is the section plan of base plate in Fig. 8;
Figure 10 is the structural representation of the construction method step S4 of subway station and large span accessory structure interface in the embodiment of the present invention;
Figure 11 is the section plan of base plate in Figure 10.
Reference numeral:
1-agent structure;
2-accessory structure; 21-base plate; 22-side wall; 23-top board; 24-bottom plate rear pouring tape; 25-side wall ater-casting; 26-top board ater-casting; 27-the first bottom plate rear pouring tape; 28-the second bottom plate rear pouring tape;
3-agent structure fender post; 4-accessory structure fender post; 5-bracing members; 6-Guan Liang; 7-waist rail.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail.
The embodiment of the present invention provides the construction method of a kind of subway station and large span accessory structure interface, comprises the following steps:
Step S1. is shown in Figure 5, perform accessory structure fender post 4 to come of age beam 6, then bottom soil excavation to hat beam 6, stake position is set up according to needing the position mark bracing members 5 setting up bracing members 5 in foundation ditch, and the spacing of stake position is set up according to bracing members 5, mark the agent structure fender post 3 that need abolish for the first time.Cut-out agent structure fender post 3 and hat beam 6 join the steel concrete at position.
Step S2. is see shown in Fig. 6 and 7, pit earthwork is excavated to bracing members 5 when setting up absolute altitude, bracing members 5 is set up between agent structure fender post 3 and accessory structure fender post 4, wherein be connected by waist rail 7 between bracing members 5 with agent structure fender post 3, between bracing members 5 with accessory structure fender post 4, then excavation is to substrate.
Step S3., see shown in Fig. 8 and 9, abolishes the agent structure fender post 3 that first time of marking in step S1 need abolish, and performs base plate 21 and first bottom plate rear pouring tape 27 of accessory structure 2; After described first bottom plate rear pouring tape 27 refers to and abolishes agent structure fender post 3 for the first time, the joint of base plate 21 and agent structure 1.
Step S4. is see shown in Figure 10 and 11, treat that base plate 21 and the first bottom plate rear pouring tape 27 have performed, and base plate 21 intensity meets bracing members 5 removes when requiring, described base plate 21 intensity meets bracing members 5 and removes and require to refer to that the intensity of base plate 21 reaches more than 75% of design load.Remove bracing members 5 and abolish remaining agent structure fender post 3, then the second bottom plate rear pouring tape 28 is applied, complete the connection with agent structure 1, after described second bottom plate rear pouring tape 28 refers to and abolishes remaining agent structure fender post 3, the joint of remaining base plate 21 and agent structure 1.Apply all the other structures successively from bottom to top again, comprise the side wall 22 and top board 23 that apply accessory structure 2, wherein adopt one-time-concreting to complete applying of top board 23.Adopt one-time-concreting to complete applying of top board, further improve efficiency of construction, shorten the duration.
The present invention is first supportted by pit earthwork and digs afterwards, layer and section excavates substrate, station agent structure 1 and accessory structure 2 interface agent structure fender post 3 interval are abolished and perform the base plate 21 of accessory structure 2, after base plate 21 reaches some strength, abolish residue agent structure fender post 3 again, apply residue base plate 21, complete the connection with agent structure 1, then apply all the other structures from bottom to top successively.Under the prerequisite ensureing construction safety, the construction space expanding subsequent handling overcomes the quality, the potential safety hazard that exist when agent structure fender post 3 is abolished, and does not affect by other operations, improves efficiency of construction, shortens the duration.
The present invention is not limited to above-mentioned embodiment, and for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications are also considered as within protection scope of the present invention.The content be not described in detail in this manual belongs to the known prior art of professional and technical personnel in the field.
Claims (5)
1. a construction method for subway station and large span accessory structure interface, is characterized in that, comprise the following steps:
Step S1. applies accessory structure fender post (4) and to come of age beam (6), then soil excavation is to Guan Liang (6) bottom, according to needing the erection stake position, position mark bracing members (5) of setting up bracing members (5) in foundation ditch, and mark the agent structure fender post (3) that need abolish for the first time; Cut-out agent structure fender post (3) and Guan Liang (6) join the steel concrete at position;
When step S2. pit earthwork is excavated to bracing members (5) erection absolute altitude, between agent structure fender post (3) and accessory structure fender post (4), set up bracing members (5), then excavation is to substrate;
Step S3. abolishes the agent structure fender post (3) that first time of marking in step S1 need abolish, and applies base plate (21) and first bottom plate rear pouring tape (27) of accessory structure (2); After described first bottom plate rear pouring tape (27) refers to and abolishes agent structure fender post (3) for the first time, the joint of base plate (21) and agent structure (1);
Step S4. treats that base plate (21) and the first bottom plate rear pouring tape (27) have applied, and base plate (21) intensity meets bracing members (5) removes when requiring, remove bracing members (5) and abolish remaining agent structure fender post (3), then the second bottom plate rear pouring tape (28) is applied, complete the connection with agent structure (1), then apply all the other structures successively from bottom to top; After described second bottom plate rear pouring tape (28) refers to and abolishes remaining agent structure fender post (3), the joint of remaining base plate (21) and agent structure (1).
2. the construction method of subway station as claimed in claim 1 and large span accessory structure interface, it is characterized in that: in step S1, according to the spacing of bracing members (5) erection stake position, mark the agent structure fender post (3) that need abolish for the first time.
3. the construction method of subway station as claimed in claim 1 and large span accessory structure interface, it is characterized in that: in step S2, between agent structure fender post (3) and accessory structure fender post (4), set up bracing members (5), be wherein connected by waist rail (7) between bracing members (5) with agent structure fender post (3), between bracing members (5) with accessory structure fender post (4).
4. the construction method of subway station as claimed in claim 1 and large span accessory structure interface, it is characterized in that: in step S4, describedly apply all the other structures successively from bottom to top, comprise the side wall (22) and top board (23) that apply accessory structure (2), wherein adopt one-time-concreting to complete applying of top board (23).
5. the construction method of subway station as claimed in claim 1 and large span accessory structure interface, it is characterized in that: in step S4, described base plate (21) intensity meets bracing members (5) dismounting requirement and refers to that the intensity of base plate (21) reaches more than 75% of design load.
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| CN201410355997.2A CN104099944B (en) | 2014-07-24 | 2014-07-24 | The construction method of subway station and large span accessory structure interface |
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| CN201410355997.2A CN104099944B (en) | 2014-07-24 | 2014-07-24 | The construction method of subway station and large span accessory structure interface |
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| CN104099944A CN104099944A (en) | 2014-10-15 |
| CN104099944B true CN104099944B (en) | 2015-12-30 |
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| CN105586985B (en) * | 2014-11-14 | 2018-11-20 | 广州地铁设计研究院有限公司 | A kind of construction method of subway building enclosure and a kind of subway building enclosure |
| CN106320739B (en) * | 2016-08-29 | 2018-10-19 | 中铁第四勘察设计院集团有限公司 | A kind of attached diaphram wall between main body in subway station cuts method |
| CN107034888A (en) * | 2017-06-23 | 2017-08-11 | 北京城乡建设集团有限责任公司 | A kind of subway station is with matingly descending commercial facility to share fender post amputation method |
| CN107034918A (en) * | 2017-06-23 | 2017-08-11 | 北京城乡建设集团有限责任公司 | A kind of integral structure and amputation method for improving amputation efficiency |
| CN107119711B (en) * | 2017-07-06 | 2022-09-06 | 中国铁路设计集团有限公司 | Connecting structure for large-range adjacent existing transfer station and construction method |
| CN107574925B (en) * | 2017-08-21 | 2022-12-23 | 中铁第四勘察设计院集团有限公司 | Connecting structure for main body and large-span auxiliary bottom plate parallel beam of subway station |
| CN110042843A (en) * | 2019-04-26 | 2019-07-23 | 中铁二十三局集团有限公司 | A kind of large deep foundation pit construction method of complex condition |
| CN110499779B (en) * | 2019-08-15 | 2024-03-26 | 中铁十一局集团城市轨道工程有限公司 | Construction method of air duct structure sharing side wall with subway station |
| CN110777803A (en) * | 2019-10-22 | 2020-02-11 | 中国建筑第八工程局有限公司 | Construction method of foundation pit staged structure |
| CN110792101B (en) * | 2019-11-04 | 2021-11-23 | 广东省重工建筑设计院有限公司 | Underground building and implementation method thereof |
| CN111411629A (en) * | 2020-03-16 | 2020-07-14 | 徐州市城市轨道交通有限责任公司 | Construction method for common pile excavation of long and narrow type wind pavilion structure and main body structure |
| CN111395359A (en) * | 2020-04-27 | 2020-07-10 | 徐州市城市轨道交通有限责任公司 | Construction method for long and narrow type wind pavilion structure foundation pit subsection |
| CN111719563A (en) * | 2020-06-24 | 2020-09-29 | 中铁第五勘察设计院集团有限公司 | Foundation pit supporting structure |
| CN112064673A (en) * | 2020-08-14 | 2020-12-11 | 中铁第四勘察设计院集团有限公司 | Auxiliary enclosure structure of parallel station main body and construction method |
| CN112796324A (en) * | 2020-12-31 | 2021-05-14 | 广州地铁设计研究院股份有限公司 | Pipe jacking construction method taking subway entrance and exit as starting well |
| CN116950129B (en) * | 2023-09-19 | 2024-01-19 | 北京建工土木工程有限公司 | Construction method for connecting subway station main body with auxiliary structure and post-pouring belt |
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