CN102535473A - Connection method of pipe curtain and underground structure - Google Patents

Connection method of pipe curtain and underground structure Download PDF

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Publication number
CN102535473A
CN102535473A CN201010580675XA CN201010580675A CN102535473A CN 102535473 A CN102535473 A CN 102535473A CN 201010580675X A CN201010580675X A CN 201010580675XA CN 201010580675 A CN201010580675 A CN 201010580675A CN 102535473 A CN102535473 A CN 102535473A
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CN
China
Prior art keywords
pipe curtain
underground
pipe
curtain
construction
Prior art date
Application number
CN201010580675XA
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Chinese (zh)
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CN102535473B (en
Inventor
张云海
李耀良
袁芬
李伟强
邱晓明
余振栋
王理想
罗云峰
Original Assignee
上海市基础工程有限公司
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Publication date
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Priority to CN201010580675.XA priority Critical patent/CN102535473B/en
Publication of CN102535473A publication Critical patent/CN102535473A/en
Application granted granted Critical
Publication of CN102535473B publication Critical patent/CN102535473B/en

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Abstract

The invention relates to a connection method of a pipe curtain and an underground structure. The connection method comprises the steps of: arranging two ring beams at upper and lower rings of the pipe curtain on the wall body of the underground structure, carrying out reinforcing and water stop treatment on the wall body of the underground structure cut by the pipe curtain, and erecting surrounding purlines for supporting at the port inside the pipe curtain during excavation phase; and after the structure is completed, connecting steel pipes of the pipe curtain with the inner lining of the structure, respectively welding anchoring steel reinforcements outside the steel pipes so as to connect the steel pipes with the upper part, side part and bottom inner linings of the structure. According to the invention, the pipe curtain structure is connected with a basement structure and an inner lining wall structure to form a whole, and the structural strength and shock resistance are enhanced, thus the shortcoming that the structure is weakened after the pipe curtain cuts the underground structure is avoided, and the strength in the subsequent use stage is enhanced. At present, the connection method is applied to No.33 underground communication road pipe curtain engineering in the Bund source of Shanghai.

Description

Pipe curtain and underground structure method of attachment
Technical field
The present invention relates to the method for attachment of a kind of underground structure pipe curtain space enclosing structure and underground agent structure, especially a kind of after the pipe curtain cuts structure wall, pipe curtain and underground structure method of attachment.
Background technology
At present; Because the rapid expansion of urban space; Pipe curtain method is applied in the foundation ditch more and more as space enclosing structure, in the work progress of pipe curtain, need to cut off entirely outdoor wall construction down, and cutting off the back is a weakening to structure; And is not connected especially between pipe curtain and the structure, is easier to cause structural destruction when being in heavily loaded and frequent dynamic load ratio of regional time.
Summary of the invention
The present invention will solve because the pipe curtain needs integral cutting basement wall body structure, and structural integrity is caused weakening, the technical problem that in pipe curtain and pipe curtain internal construction work progress, exists, and a kind of pipe curtain and underground structure method of attachment are provided.
For realizing above-mentioned purpose, the technical scheme that the present invention adopts is: a kind of pipe curtain and underground structure method of attachment, and its concrete steps are:
One, construction hole collar tie beam and enclose purlin
Before pipe curtain construction, earlier in the corresponding outer ring of underground structure wall coil curtain and the inner ring position hole collar tie beam is set respectively and encloses purlin, to because the body of wall behind the steel pipe amputated structure is strengthened, and play the sealing effect, when pipe curtain excavation as the purlin that encloses of hole support;
Pre-buried hole collar tie beam and enclose the purlin anchor bar when structure construction; Or, structure construction carries out bar planting after accomplishing; Anchor into collar tie beam and enclose purlin; Make pipe curtain through collar tie beam and enclose purlin with underground structure connect into as a whole, main body underground structure in the reinforced pipe curtain work progress and in the pipe act internal construction work progress;
Two, be connected with agent structure after the construction of pipe curtain is accomplished
After pipe curtain internal construction is accomplished; At structural wall arranged outside inner lining structure, at pipe curtain steel pipe outside welding anchor bar, length need be satisfied with the anchorage length of inwall; Be connected with top, side, bottom inwall respectively; Dowel anchor to structure inwall place, and inwall structure place strengthened, make it satisfy the structure stress requirement.
The invention has the beneficial effects as follows: after the pipe curtain cuts structure wall; After agent structure intensity reduces before, through connection of the present invention, with the intensity that strengthens agent structure greatly; And and space enclosing structure between form wholely, strengthen the safety of whole underground structure.The present invention will manage curtain structure and be connected with basement structure and inwall structure; Make its one-tenth as a whole; On the structural strength, all it is strengthened on the shock resistance; Avoided that structure weakening reaches after pipe curtain cut underground structure shortcoming, and strengthened intensity in the later stage operational phase.At present, this invention has applied in No. 33 underground connection deferent curtain engineerings in source, outbeach, Shanghai.
Description of drawings
Fig. 1 is collar tie beam and encloses purlin and be connected sketch map with underground structure;
Fig. 2 is pipe curtain steel pipe and side liner connected mode sketch map;
Fig. 3 is pipe curtain steel pipe and top liner connected mode sketch map;
Fig. 4 is pipe curtain steel pipe and bottom liner connected mode.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
Extremely shown in Figure 4 like Fig. 1, pipe curtain of the present invention and underground structure method of attachment, its concrete steps are:
One, construction hole collar tie beam and enclose purlin
Before pipe curtain construction, hole collar tie beam 1 is set respectively and encloses purlin 2 in underground structure wall 4 pipe curtain 5 corresponding outer rings and inner ring position earlier, to because the body of wall behind the steel pipe amputated structure is strengthened, and play the sealing effect, when pipe curtain excavation as the purlin that encloses of hole support;
Pre-buried hole collar tie beam 1 and enclose the anchor bar 6 of purlin 2 when structure construction; Or, structure construction carries out bar planting after accomplishing; Anchor into collar tie beam and enclose purlin; Make pipe curtain 5 through collar tie beam 1 and enclose purlin 2 and underground structure connect into as a whole, main body underground structure in the reinforced pipe curtain work progress and in the pipe curtain internal construction work progress;
Two, be connected with agent structure after the construction of pipe curtain is accomplished
After pipe curtain 5 internal constructions are accomplished; At structural wall 4 arranged outside inner lining structures, at pipe curtain 5 steel pipes outside welding anchor bar 6, length need be satisfied with the anchorage length of inwall; Be connected with top, side, bottom inwall 3 respectively; Dowel anchor to structure inwall 3 places, and inwall 3 structure places are strengthened, make it satisfy the structure stress requirement.
Dowel and reinforced steel are selected for use and should be carried out force analysis, and satisfy code requirement, and inwall carried out with being connected according to Structural Design Requirement of agent structure, and suitably strengthen.
The present invention is provided with the twice collar tie beam at underground structure body of wall place, and the position is positioned at pipe curtain circle up and down, the pipe curtain is blocked the underground structure body of wall is reinforced and sealing is handled, and in addition, also place, excavation stage hole sets up the purlin that encloses of support in inside as the pipe curtain.After structure was accomplished, a pipe curtain steel pipe need be connected with the structure inner lining structure, was employed in the steel pipe outside and welded anchor bar respectively and be connected with top, sidepiece, the bottom inner lining structure of structure.
As shown in Figure 1, the hole collar tie beam:
Hole collar tie beam 1 is set respectively and encloses purlin 2 in pipe curtain outer ring and inner ring,, and play the sealing effect because the body of wall behind the steel pipe amputated structure is strengthened, when pipe curtain excavation as the purlin that encloses of hole support.Collar tie beam and enclose the purlin cross section and should carry out and stressedly confirm according to structure space, pre-buried hole collar tie beam and enclose the purlin anchor bar when structure construction, or after structure construction is accomplished, carry out bar planting, anchor into collar tie beam and enclose purlin 35d.Because pipe curtain 5 is by collar tie beam 1 and enclose purlin 2 and surround, and through collar tie beam 1 and enclose purlin 2 and be connected, make its one-tenth as a whole with underground structure.
Like Fig. 2, shown in 3,4, the pipe curtain is connected with inner lining structure:
After pipe curtain 5 internal constructions are accomplished, at structural wall 4 arranged outside inner lining structures.Because pipe curtain 5 will become the part of structure stress, need be connected with inwall 3 structures it.At pipe curtain steel pipe outside welding anchor bar 6, length need be satisfied with the anchorage length of inwall, is connected with top, side, bottom inwall 4 respectively.

Claims (1)

1. manage curtain and underground structure method of attachment for one kind, it is characterized in that concrete steps are:
One, construction hole collar tie beam and enclose purlin
Before the construction of pipe curtain; Earlier hole collar tie beam (1) is set respectively and encloses purlin (2) in the corresponding outer ring of pipe curtain (5) and the inner ring position of underground structure wall (4); To because the body of wall behind the steel pipe amputated structure is strengthened, and play the sealing effect, when pipe curtain (5) excavation as the purlin that encloses of hole support;
Pre-buried hole collar tie beam (1) and enclose the anchor bar (6) of purlin (2) when structure construction; Or, structure construction carries out bar planting after accomplishing; Anchor into collar tie beam (1) and enclose purlin (2); Make pipe curtain (5) through collar tie beam (1) and enclose purlin (2) and underground structure connect into as a whole, main body underground structure in reinforced pipe curtain (5) work progress and in pipe act (5) internal construction work progress;
Two, be connected with agent structure after the construction of pipe curtain is accomplished
After pipe curtain (5) internal construction is accomplished; At structural wall (4) arranged outside inner lining structure, at pipe curtain steel pipe outside welding anchor bar (6), length need be satisfied with the anchorage length of inwall (3); Be connected with top, side, bottom inwall (3) respectively; Dowel anchor to structure inwall (3) is located, and inwall (3) structure place is strengthened, and makes it satisfy the structure stress requirement.
CN201010580675.XA 2010-12-09 2010-12-09 Connection method of pipe curtain and underground structure CN102535473B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201010580675.XA CN102535473B (en) 2010-12-09 2010-12-09 Connection method of pipe curtain and underground structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201010580675.XA CN102535473B (en) 2010-12-09 2010-12-09 Connection method of pipe curtain and underground structure

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CN102535473A true CN102535473A (en) 2012-07-04
CN102535473B CN102535473B (en) 2014-09-03

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103556579A (en) * 2013-11-14 2014-02-05 天津市水利工程有限公司 Box culvert pushing construction method integrating comprehensive grouting, pressure maintaining and pipe roof support
CN109837925A (en) * 2019-03-06 2019-06-04 上海隧道工程有限公司 Pipe curtain active well self-balancing supporting construction and method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100538272B1 (en) * 2005-05-10 2005-12-21 건양씨엔이 (주) The methods of trenchless underway construction using pre-cast assembly concrete box
CN1800513A (en) * 2005-12-13 2006-07-12 上海市第二市政工程有限公司 Steel pipe roof jacking construction method
KR100756681B1 (en) * 2006-05-01 2007-09-07 주식회사 도화종합기술공사 Steel pipe roof construction method of road and railroad lower part

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100538272B1 (en) * 2005-05-10 2005-12-21 건양씨엔이 (주) The methods of trenchless underway construction using pre-cast assembly concrete box
CN1800513A (en) * 2005-12-13 2006-07-12 上海市第二市政工程有限公司 Steel pipe roof jacking construction method
KR100756681B1 (en) * 2006-05-01 2007-09-07 주식회사 도화종합기술공사 Steel pipe roof construction method of road and railroad lower part

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
杨晓东: "钢管幕顶进施工技术", 《上海建设科技》, 31 August 2009 (2009-08-31) *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103556579A (en) * 2013-11-14 2014-02-05 天津市水利工程有限公司 Box culvert pushing construction method integrating comprehensive grouting, pressure maintaining and pipe roof support
CN103556579B (en) * 2013-11-14 2016-01-06 天津市水利工程有限公司 A kind of comprehensive grouting pressurize adds the box culvert pushing construction method of pipe curtain supporting
CN109837925A (en) * 2019-03-06 2019-06-04 上海隧道工程有限公司 Pipe curtain active well self-balancing supporting construction and method

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Address after: 200433 Yangpu District, Shanghai Star Road, No. 231

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