CN102691301A - Synchronous construction method for envelope enclosure supporting breast beam and main structure wall - Google Patents

Synchronous construction method for envelope enclosure supporting breast beam and main structure wall Download PDF

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Publication number
CN102691301A
CN102691301A CN2012102083245A CN201210208324A CN102691301A CN 102691301 A CN102691301 A CN 102691301A CN 2012102083245 A CN2012102083245 A CN 2012102083245A CN 201210208324 A CN201210208324 A CN 201210208324A CN 102691301 A CN102691301 A CN 102691301A
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CN
China
Prior art keywords
waist rail
column
agent
construction
breast
Prior art date
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Pending
Application number
CN2012102083245A
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Chinese (zh)
Inventor
吴天凯
亓立刚
张志威
王海
崔爱珍
郭凯
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China Construction Eighth Engineering Division Co Ltd
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China Construction Eighth Engineering Division Co Ltd
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Publication date
Application filed by China Construction Eighth Engineering Division Co Ltd filed Critical China Construction Eighth Engineering Division Co Ltd
Priority to CN2012102083245A priority Critical patent/CN102691301A/en
Publication of CN102691301A publication Critical patent/CN102691301A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a simple and practicable synchronous construction method for an envelope enclosure supporting breast beam and a main structure wall. The synchronous construction method comprises the following steps of: pre-embedding concreting pipes, longitudinal reinforcements of a major structure wall column, and rubber sealing steel plates at the upper part of the breast beam when binding breast beam reinforcements, and binding horizontal reinforcements of the major structure wall column simultaneously; excavating holes corresponding to the lower ends of the longitudinal reinforcements of the main structure wall column below the breast beam, and laying medium sand in the holes, thereby allowing the lower ends of the longitudinal reinforcements of the main structure wall column to be inserted into the medium sand; erecting a breast beam template, and pouring concrete; and after the pouring of the breast beam is finished, excavating earthwork at the lower part of the breast beam, constructing a lower wall structure, and pouring concrete by virtue of the concreting pipes in the breast beam, thereby finishing the construction. The synchronous construction method can be used for solving the contractions between the construction of the breast beam of a supporting system and the construction of the side wall of the main structure, saving the costs for removing the breast beam, reducing the costs for materials, effectively shortening the construction period, eliminating the hidden danger of water leakage of the structure in the later period, and improving the construction quality of the side wall.

Description

Space enclosing structure supports waist rail and agent structure wall column method for synchronously constructing
Technical field
The present invention relates to a kind of building field, relate in particular to when supporting waist rail and conflict, save the space enclosing structure support waist rail and the agent structure wall column method for synchronously constructing of duration and material input with the construction of agent structure for space enclosing structure in the deep-foundation pit engineering.Space enclosing structure supports waist rail and agent structure wall column method for synchronously constructing
Background technology
Along with the expansion of China's building field to the underground space, deep-foundation pit engineering also develops towards ultra dark, super large, complicacy, multi-form direction, and construction technology more sophisticated, difficulty of construction progressively increase.In order to guarantee foundation ditch safety, the effect of space enclosing structure more and more highlights, and the existence of space enclosing structure will certainly produce conflicting more or less with agent structure.Space enclosing structure plays retaining soil and isolates phreatic effect in foundation pit construction, along with the increase of the excavation of foundation pit degree of depth, it is more important that the effect of space enclosing structure also becomes, and the especially selection of space enclosing structure support system has determined the speed of application of whole base pit engineering.After foundation depth surpassed certain limit, the steel concrete supporter had been tied to form the primary selection that guarantees foundation ditch safety.And the steel concrete support system takies plenty of time and space when removing, and all there is certain influence environment, duration and consumptive material aspect.Simultaneously, in case when the steel concrete support system overlapped with the agent structure position, when especially supporting waist rail and overlapping with the agent structure wall column, the construction of agent structure must just can be carried out after support system is removed.Because mostly support system and space enclosing structure are to be rigidly connected, when removing the steel concrete support, produce the vibration meeting space enclosing structure is caused bigger influence, cause space enclosing structure to form the crack easily, the seepage situation takes place, the globality of space enclosing structure is destroyed.Under the prerequisite that guarantees foundation ditch safety and construction quality; The construction that quickening is dug space enclosing structure support system and agent structure conflicting nodes in the foundation ditch at open-cut foundation ditch and lid; Need to seek a job practices that effectively combines two kinds of structural performances; Both protected the safety of space enclosing structure, and also made support system and agent structure can both guarantee rapid construction, be independent of each other.
Therefore the space enclosing structure support system is overlapped the position with agent structure be necessary to propose a kind of new job practices.
Summary of the invention
The present invention is directed to the prior art deficiency, provide a kind of space enclosing structure to support waist rail and agent structure wall column method for synchronously constructing, waist rail and side wall superposed part are constructed according to the side wall designing requirement; Build the waist rail concrete; Waist rail and side wall are united two into one, presetting pouring hole so that the later stage is built side wall concrete under the waist rail on the waist rail, thereby saving the work of abolishing waist rail; Make main structure construction do not removed the restriction of space enclosing structure; Effectively reduce construction, eliminated the hidden danger of structure later stage percolating water simultaneously, improved the construction quality of side wall.This method comprises:
Pre-buried concreting pipe, agent structure wall column longitudinal reinforcement and waist rail top rubber steel plate for sealing water when the waist rail reinforcing bar binding, the agent structure of colligation simultaneously wall column horizontal bar;
Hole, the position of corresponding agent structure wall column longitudinal reinforcement lower end excavation hole below waist rail, and in hole, said hole, lay medium sand, make pre-buried agent structure wall column longitudinal reinforcement lower end insert medium sand;
Install the waist rail template, concreting;
After waist rail is built completion, the bottom earthwork of excavation waist rail, construction lower walls body structure through pre-buried concreting pipe concreting in the waist rail, is accomplished construction.
Further, the horizontal bar with waist rail is connected with pre-buried connector in diaphragm wall.
Further, the top and bottom of pre-buried agent structure wall column longitudinal reinforcement are installed screw shell respectively in the said waist rail.
Further, during the construction of said waist rail bottom wall column, the longitudinal reinforcement of bottom body of wall is through pre-buried longitudinal reinforcement lower ends in screw shell and the waist rail.
Further, after said waist rail concreting finishes, water-swellable sealing adhesive tape is installed, and Grouting Pipe is installed, so that after having built the agent structure wall column, when having the problem of slit or leak, can come it is built through Grouting Pipe at the waist rail upper and lower sides.
The present invention is owing to after adopting above technical scheme, make its beneficial effect that has be:
In conjunction with the general character that supports waist rail and agent structure wall column; Make and support the alternative part agent structure wall column of waist rail, fully solved the contradiction of support system waist rail construction, saved the expense of abolishing waist rail with the construction of agent structure side wall; Reduced material cost; Effectivelyly reduce the construction period, eliminated the hidden danger of structure later stage percolating water simultaneously, improved the construction quality of side wall.
Description of drawings
Sketch map when Fig. 1 does not build for the present invention supports waist rail and the synchronous constructing structure of agent structure wall column;
Sketch map after Fig. 2 has built for the present invention supports waist rail and the synchronous constructing structure waist rail of agent structure wall column;
Fig. 3 supports the floor map of waist rail and the synchronous constructing structure of agent structure wall column for the present invention;
Sketch map after Fig. 4 has built for the present invention supports waist rail and the synchronous constructing structure of agent structure wall column bottom body of wall.
The specific embodiment
For the benefit of, describe below in conjunction with accompanying drawing and embodiment to the understanding of structure of the present invention.
In conjunction with Fig. 1, shown in Figure 2, space enclosing structure of the present invention supports waist rail and agent structure wall column method for synchronously constructing, and concrete steps are following:
At first waist rail horizontal bar 10 is linked to each other with connector 12 in being embedded in diaphragm wall 11, colligation waist beam main tendon 13 is installed the longitudinal reinforcement 14 and transverse reinforcement 15 of agent structure wall column; The top and bottom of the longitudinal reinforcement 14 of agent structure wall column are installed screw shell 141 respectively, and the upper end of the longitudinal reinforcement 14 of agent structure wall column exceeds waist rail 16 and is no less than 300mm, and the bottom exceeds waist rail 16 and is 150mm; Concreting pipe 17 is installed in waist rail 16, and the diameter of concreting pipe 17 is 200mm, and the upper end exceeds waist rail 16 and highly is not less than 300mm; As shown in Figure 3, the spacing that adjacent concrete is built 17 of pipes is not less than 1500mm, in waist rail reinforcing bar binding process; Pre-buried top rubber steel plate for sealing water 18 prevents that the constuction joint place leaks or seeps water in the process of building, and the waist rail template is installed then; Hole 23, longitudinal reinforcement 14 lower end positions excavation hole at 16 times corresponding agent structure wall columns of waist rail; At the thick medium sand 19 of hole hole 23 middle berth 200mm, medium sand 19 is difficult for the longitudinal reinforcement 14 of agent structure wall column bonding, also is convenient to remove; The longitudinal reinforcement 14 lower end screw shells 141 of agent structure wall column are imbedded 150mm in the medium sand 19, build the waist rail concrete then.
Further combine shown in Figure 4, built the waist rail concrete after, excavate the waist rail 16 bottom earthwork; The longitudinal reinforcement 20 of body of wall bottom through the bottom body of wall is connected with the screw shell 141 of longitudinal reinforcement 14 lower ends that are embedded in the agent structure wall column in the waist rail 16; The medium sand 19 that longitudinal reinforcement 14 lower ends of agent structure wall column are residual is removed clean, and water-swellable sealing adhesive tape 21 is installed, and at waist rail 16 upper and lower sides Grouting Pipe 22 is installed simultaneously; In waist rail 16 bottom installing wall body templates; Build through concreting pipe 17, make the pipe inner concrete concordant, if after having built the agent structure wall column with the mouth of pipe; Position in agent structure wall column and the splicing of waist rail 16 upper and lower sides exists slit or leak; Can come it is filled up through Grouting Pipe 22, improve the construction quality of agent structure wall column, just accomplish space enclosing structure of the present invention and supported waist rail and agent structure wall column method for synchronously constructing.
The present invention has combined to support the general character of waist rail 16 and agent structure wall column; Make waist rail 16 bottom wall column concretings convenient simultaneously; The problem that could build the agent structure wall column after having avoided waist rail 16 removed has fully solved the contradiction of support system waist rail 16 constructions with the construction of agent structure side wall, has saved the expense of abolishing waist rail 16; Reduced material cost; Reduce the construction period very effectively, eliminated the hidden danger of structure later stage percolating water simultaneously, improved the construction quality of side wall.

Claims (5)

1. space enclosing structure supports waist rail and agent structure wall column method for synchronously constructing, it is characterized in that this method comprises following construction sequence:
Pre-buried concreting pipe, agent structure wall column longitudinal reinforcement and waist rail top rubber steel plate for sealing water when the waist rail reinforcing bar binding, the agent structure of colligation simultaneously wall column horizontal bar;
Hole, the position of corresponding agent structure wall column longitudinal reinforcement lower end excavation hole below waist rail, and in hole, said hole, lay medium sand, make pre-buried agent structure wall column longitudinal reinforcement lower end insert medium sand;
Install the waist rail template, concreting;
After waist rail is built completion, the bottom earthwork of excavation waist rail, construction lower walls body structure through pre-buried concreting pipe concreting in the waist rail, is accomplished construction.
2. space enclosing structure according to claim 1 supports waist rail and agent structure wall column method for synchronously constructing, it is characterized in that: the horizontal bar of waist rail is connected with pre-buried connector in diaphragm wall.
3. space enclosing structure according to claim 1 supports waist rail and agent structure wall column method for synchronously constructing, and it is characterized in that: the top and bottom of pre-buried agent structure wall column longitudinal reinforcement are installed screw shell respectively in the said waist rail.
4. space enclosing structure according to claim 1 supports waist rail and agent structure wall column method for synchronously constructing; It is characterized in that: during the construction of said waist rail bottom wall column, the longitudinal reinforcement of bottom body of wall is through pre-buried longitudinal reinforcement lower ends in screw shell and the waist rail.
5. space enclosing structure according to claim 1 supports waist rail and agent structure wall column method for synchronously constructing, it is characterized in that: after said waist rail concreting finishes, water-swellable sealing adhesive tape is installed, and at the waist rail upper and lower sides Grouting Pipe is installed.
CN2012102083245A 2012-06-21 2012-06-21 Synchronous construction method for envelope enclosure supporting breast beam and main structure wall Pending CN102691301A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012102083245A CN102691301A (en) 2012-06-21 2012-06-21 Synchronous construction method for envelope enclosure supporting breast beam and main structure wall

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Application Number Priority Date Filing Date Title
CN2012102083245A CN102691301A (en) 2012-06-21 2012-06-21 Synchronous construction method for envelope enclosure supporting breast beam and main structure wall

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CN102691301A true CN102691301A (en) 2012-09-26

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102943490A (en) * 2012-12-11 2013-02-27 天津天一建设集团有限公司 Underground diaphragm wall embedded beam slab steel bar straight thread bar anchoring structure and construction method thereof
CN104314069A (en) * 2014-10-15 2015-01-28 中国建筑第八工程局有限公司 Positioning construction method for reserved steel bars of side walls in reverse construction
CN106013256A (en) * 2016-06-22 2016-10-12 中铁第四勘察设计院集团有限公司 Tenon type connector water-proof structure for side wall of concrete waist beam embedded structure
CN108487252A (en) * 2018-03-13 2018-09-04 中铁第四勘察设计院集团有限公司 A kind of deep foundation pit open cutting is suitable to make construction method
CN111827261A (en) * 2020-06-29 2020-10-27 中铁广州工程局集团深圳工程有限公司 Construction method for waist rail of continuous wall
CN112681334A (en) * 2020-12-16 2021-04-20 中建三局第一建设工程有限责任公司 Deep foundation pit side wall concrete pouring construction structure and method

Citations (1)

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CN101560799A (en) * 2009-05-09 2009-10-21 刘亚飞 Fully-prefabricated assembled high-strength wall body

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CN101560799A (en) * 2009-05-09 2009-10-21 刘亚飞 Fully-prefabricated assembled high-strength wall body

Non-Patent Citations (1)

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Title
王稹筠等: "深基坑混凝土支撑腰梁和结构墙体二合一施工技术的应用", 《天津建设科技》 *

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102943490A (en) * 2012-12-11 2013-02-27 天津天一建设集团有限公司 Underground diaphragm wall embedded beam slab steel bar straight thread bar anchoring structure and construction method thereof
CN104314069A (en) * 2014-10-15 2015-01-28 中国建筑第八工程局有限公司 Positioning construction method for reserved steel bars of side walls in reverse construction
CN104314069B (en) * 2014-10-15 2016-03-09 中国建筑第八工程局有限公司 Side wall reserved steel bar positioning construction method in reverse construction
CN106013256A (en) * 2016-06-22 2016-10-12 中铁第四勘察设计院集团有限公司 Tenon type connector water-proof structure for side wall of concrete waist beam embedded structure
CN106013256B (en) * 2016-06-22 2018-03-20 中铁第四勘察设计院集团有限公司 The tenon formula joint waterproofing structure of concrete waist rail embedded structure side wall
CN108487252A (en) * 2018-03-13 2018-09-04 中铁第四勘察设计院集团有限公司 A kind of deep foundation pit open cutting is suitable to make construction method
CN111827261A (en) * 2020-06-29 2020-10-27 中铁广州工程局集团深圳工程有限公司 Construction method for waist rail of continuous wall
CN112681334A (en) * 2020-12-16 2021-04-20 中建三局第一建设工程有限责任公司 Deep foundation pit side wall concrete pouring construction structure and method

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