CN103867218A - Method for conduction through asymmetric section pile tunnel method for urban subway station - Google Patents

Method for conduction through asymmetric section pile tunnel method for urban subway station Download PDF

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Publication number
CN103867218A
CN103867218A CN201410131433.0A CN201410131433A CN103867218A CN 103867218 A CN103867218 A CN 103867218A CN 201410131433 A CN201410131433 A CN 201410131433A CN 103867218 A CN103867218 A CN 103867218A
Authority
CN
China
Prior art keywords
pilot tunnel
method
tunnel
construction
subway station
Prior art date
Application number
CN201410131433.0A
Other languages
Chinese (zh)
Inventor
宋战平
张丹锋
刘可
宋云财
曲建生
亢超刚
王新强
林吉兴
张立华
Original Assignee
西安建筑科技大学
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 西安建筑科技大学 filed Critical 西安建筑科技大学
Priority to CN201410131433.0A priority Critical patent/CN103867218A/en
Publication of CN103867218A publication Critical patent/CN103867218A/en

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Abstract

The invention discloses a method for conduction through an asymmetric section pile tunnel method for an urban subway station. In the process of urban subway station asymmetric section construction, water flows out of an upper-level pilot tunnel firstly and then the upper-level pilot tunnel is constructed. In the construction process, the middle portion of the upper-level pilot tunnel is N cm higher than the portions at the two sides of the upper-level pilot tunnel. In the process that the upper-level pilot tunnel is excavated and a support is constructed, water flows out of a lower-level pilot tunnel, after water completely flows out of the lower-level pilot tunnel, the lower-level pilot tunnel is excavated and a support is constructed. The portions at the two sides of the lower-level pilot tunnel are lower than the middle of the pilot tunnel. The portions at the two sides of the lower-level pilot tunnel are narrower than the middle of the pilot tunnel. The method for conduction through the asymmetric section pile tunnel method for the urban subway station is high in adaptability, small in abandoned work amount and low in cost.

Description

The method of the asymmetric section stake of a kind of City Subway Station hole method construction

Technical field

The invention belongs to tunnel and underground construction technical field, be specifically related to the method for the asymmetric section stake of a kind of City Subway Station hole method construction.

Background technology

In the work progress of the tunneling " PBA " of subway station, domestic city employing at present engineering method, mostly construct according to the sequence of construction of this engineering method routine and design drawing, especially still require difficulty of construction very big according to this engineering method routine meeting under adverse geological condition or complicated ambient environmental conditions, not in time to design section be optimized cause follow-up difficulty of construction greatly and abandoned project amount more.

Summary of the invention

The object of the invention is to overcome the shortcoming of above-mentioned prior art, the method for the asymmetric section stake of a kind of City Subway Station hole method construction is provided, the method can strong adaptability, and abandoned project amount is few, and cost is low.

For achieving the above object, the method of the asymmetric section stake of City Subway Station of the present invention hole method construction adopts stake hole method to carry out in the process of City Subway Station asymmetric end surface construction, first carry out the precipitation of upper strata pilot tunnel, then carry out the construction of upper strata pilot tunnel, in work progress, by the high Ncm of height of the aspect ratio both sides pilot tunnel of middle pilot tunnel in the pilot tunnel of upper strata; In to the process of upper strata pilot drive and supporting construction, carry out the precipitation of lower floor's pilot tunnel, after reaching anhydrous condition, lower floor's pilot tunnel precipitation carries out again excavation and the supporting construction of lower floor's pilot tunnel, wherein, in lower floor's pilot tunnel, the height of both sides pilot tunnel is less than the height of middle pilot tunnel, and in lower floor's pilot tunnel, the width of both sides pilot tunnel is less than the width of middle pilot tunnel.

N equals 70.

The present invention has following beneficial effect:

The method of the asymmetric section stake of City Subway Station of the present invention hole method construction is in the process of construction, first carry out the precipitation of upper strata pilot tunnel, carry out again the excavation of upper strata pilot tunnel, in to the process of upper strata pilot drive, carry out the precipitation of lower floor's pilot tunnel, after reaching precipitation condition, the precipitation of lower floor's pilot tunnel can carry out the excavation of lower floor's pilot tunnel, in the middle of simultaneously in the pilot tunnel of upper strata, the height of pilot tunnel is higher than the height of both sides pilot tunnel, can effectively increase the height between back and pilot tunnel top, be beneficial to the construction of girder construction, in addition, in lower floor's pilot tunnel, the height of both sides pilot tunnel and width are all less than height and the width of middle pilot tunnel, effectively improve the safety of both sides pilot tunnel in excavation and supporting stage, reduce abandoned project amount, reduce engineering cost.

Brief description of the drawings

Fig. 1 is structural representation of the present invention.

Detailed description of the invention

Below in conjunction with accompanying drawing, the present invention is described in further detail:

With reference to figure 1, the method of the asymmetric section stake of City Subway Station of the present invention hole method construction adopts stake hole method to carry out in the process of City Subway Station asymmetric end surface construction, first carry out the precipitation of upper strata pilot tunnel, then carry out the construction of upper strata pilot tunnel, in work progress, by the high Ncm of height of the aspect ratio both sides pilot tunnel of middle pilot tunnel in the pilot tunnel of upper strata; In to the process of upper strata pilot drive and supporting construction, carry out the precipitation of lower floor's pilot tunnel, after reaching anhydrous condition, lower floor's pilot tunnel precipitation carries out again excavation and the supporting construction of lower floor's pilot tunnel, wherein, in lower floor's pilot tunnel, the height of both sides pilot tunnel is less than the height of middle pilot tunnel, and in lower floor's pilot tunnel, the width of both sides pilot tunnel is less than the width of middle pilot tunnel.

N equals 70.

Obviously, described embodiment is only the present invention's part embodiment, instead of all; Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of protection of the invention.

Claims (2)

1. the method for the asymmetric section stake of a City Subway Station hole method construction, it is characterized in that, adopt stake hole method to carry out in the process of City Subway Station asymmetric end surface construction, first carry out the precipitation of upper strata pilot tunnel, then carry out the construction of upper strata pilot tunnel, in work progress, make the high Ncm of height of the aspect ratio both sides pilot tunnel of middle pilot tunnel in the pilot tunnel of upper strata; In to the process of upper strata pilot drive and supporting construction, carry out the precipitation of lower floor's pilot tunnel, after reaching anhydrous condition, lower floor's pilot tunnel precipitation carries out again excavation and the supporting construction of lower floor's pilot tunnel, wherein, in lower floor's pilot tunnel, the height of both sides pilot tunnel is less than the height of middle pilot tunnel, and in lower floor's pilot tunnel, the width of both sides pilot tunnel is less than the width of middle pilot tunnel.
2. the method for the asymmetric section stake of City Subway Station according to claim 1 hole method construction, is characterized in that, N equals 70.
CN201410131433.0A 2014-03-28 2014-03-28 Method for conduction through asymmetric section pile tunnel method for urban subway station CN103867218A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410131433.0A CN103867218A (en) 2014-03-28 2014-03-28 Method for conduction through asymmetric section pile tunnel method for urban subway station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410131433.0A CN103867218A (en) 2014-03-28 2014-03-28 Method for conduction through asymmetric section pile tunnel method for urban subway station

Publications (1)

Publication Number Publication Date
CN103867218A true CN103867218A (en) 2014-06-18

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CN201410131433.0A CN103867218A (en) 2014-03-28 2014-03-28 Method for conduction through asymmetric section pile tunnel method for urban subway station

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105201516A (en) * 2015-10-10 2015-12-30 中铁二十局集团第一工程有限公司 Subway station body structure and four-joint-arch PBA underground excavation construction method thereof

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Publication number Priority date Publication date Assignee Title
JP2000179299A (en) * 1998-12-11 2000-06-27 Ohbayashi Corp Large-section tunnel construction method
CN101440708A (en) * 2008-12-19 2009-05-27 中建国际建设有限公司 PBA shallow buried underground excavating close range large section three-hole separated island type structure construction method
CN102155233A (en) * 2011-04-21 2011-08-17 上海市城市建设设计研究院 Tunnel excavation construction method
CN102953739A (en) * 2012-10-26 2013-03-06 中铁二十二局集团第六工程有限公司 Bidirectional punching method for underground excavation of subway station

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000179299A (en) * 1998-12-11 2000-06-27 Ohbayashi Corp Large-section tunnel construction method
CN101440708A (en) * 2008-12-19 2009-05-27 中建国际建设有限公司 PBA shallow buried underground excavating close range large section three-hole separated island type structure construction method
CN102155233A (en) * 2011-04-21 2011-08-17 上海市城市建设设计研究院 Tunnel excavation construction method
CN102953739A (en) * 2012-10-26 2013-03-06 中铁二十二局集团第六工程有限公司 Bidirectional punching method for underground excavation of subway station

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陈俊等: "洞桩法施工在北京地铁中的应用", 《山西建筑》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105201516A (en) * 2015-10-10 2015-12-30 中铁二十局集团第一工程有限公司 Subway station body structure and four-joint-arch PBA underground excavation construction method thereof

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Application publication date: 20140618

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