CN102797264A - Construction method for joints of underground continuous walls - Google Patents
Construction method for joints of underground continuous walls Download PDFInfo
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- CN102797264A CN102797264A CN201210316375XA CN201210316375A CN102797264A CN 102797264 A CN102797264 A CN 102797264A CN 201210316375X A CN201210316375X A CN 201210316375XA CN 201210316375 A CN201210316375 A CN 201210316375A CN 102797264 A CN102797264 A CN 102797264A
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- joint
- underground continuous
- gathering sill
- brush wall
- joints
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Abstract
The invention relates to underground buildings, specifically to a construction method for joints of underground continuous walls. The construction method is provided to effectively solve the water leakage defect of the current joints of underground continuous walls. According to the invention, a joint approximating to a V-shaped steel plate is mounted at the juncture of a unit wall, and a tubular guide protruding rib is formed on the outer surface of a flat plate of the joint to perform the function of guiding; a joint box, a wall brusher and a temping machine with corresponding grooves are matched, so that the joints are closely adhered to the wall in construction. A guide rail can be added to guarantee the cohesive force between later poured concrete and the joint, so as to prevent the concrete from being separated from the joint and reduce the channel which leaks water, and further excellently prevent water leakage. The construction method has the advantage that the water leakage defect of the joints of underground continuous walls can be well solved, so that the underground continuous walls can be integrated more closely to ensure that no water leaks from the joints.
Description
Technical field
The present invention relates to the underground building class, be specifically related to a kind of job practices that is used for underground continuous wall connector.
Background technology
Diaphragm wall is the safest structure of Extra-Deep Foundation Pit, along with perfect, quick construction, the convenience of the reduction of cost, technology, in deep foundation pit supports such as subway, Fang Jian, uses more and more widely.Because diaphragm wall is interconnected with certain joint form by unit groove one by one and forms; Actual is not continuous, so the joint density between the underground continuous wall groove segment is extremely important, and the joint construction quality is if problem; To cause the engineering underground structure seepage phenomenon to occur; Directly have influence on the use of engineering underground structure, seepage not only influences the function of use of building but also handles very difficulty, but is difficult to guarantee seam quality on the traditional handicraft.Wherein most important reason is that traditional jointing brush wall technology can't guarantee that joint is clean, and concrete that especially adheres on the joint or cement paste are difficult to remove fully; Simultaneously, also there is uncertain factor in workman's operation.Therefore must be in the unit adopting an effective measure during the wall joint construction solves problem hidden danger in advance, with trouble without offspring.
Summary of the invention
The objective of the invention is weak point according to above-mentioned prior art; A kind of job practices that is used for underground continuous wall connector is provided; The guiding fin of this job practices through round tube shape is set on joint is so that joint case, tamper and brush wall device all can be along the closely connected work of this guiding rail; Make diaphragm wall form an integral body more closely, guarantee that joint is water-tight.
The realization of the object of the invention is accomplished by following technical scheme:
A kind of job practices that is used for underground continuous wall connector is specifically related to reinforcing cage, joint, joint case and brush wall device, it is characterized in that comprising the steps: at least
The female adapter of said reinforcing cage is set, and wherein said joint partly is made up of flanging dull and stereotyped, that be positioned at the wing plate of dull and stereotyped both sides and be positioned at the wing plate edge, on the external surface of the flat board of said joint, fixedly installs the guiding fin;
Said joint case is set; Described joint case is a trapezoidal cabinet; On the side of said joint case near said female adapter; Be provided with a matrix gathering sill, outside the said guiding fin within contouring and the said matrix gathering sill shape, size and the relative position of contouring adaptive mutually, and can realize relative slip between the two;
Said brush wall device is set; Offer a concavity gathering sill on the brush wall of said brush wall device; Within the concavity gathering sill on the said brush wall outside contouring and the said guiding fin shape, size and the relative position between the contouring adaptive mutually, and can realize relative slip between the two.
Said guiding fin is to protrude in the pipe that the external surface of said flat board fixedly installs.
Be provided with magnet along part on the matrix gathering sill of said joint case, the matrix gathering sill bottom of said joint case offers groove, and said magnet is embedded in the said groove.
In said brush wall device bottom and the back side that is positioned at said brush wall be equipped with right-angled triangle fin plate, the low-angle summit of wherein said right-angled triangle fin plate flushes with said brush wall device base.
The present invention compared with prior art has following beneficial effect: the guiding fin that is arranged on the joint has guaranteed good brush wall and the effect of making firm by ramming, has prolonged the infiltration path and has strengthened the adhesion stress of joint with the back fluid concrete; Tamper is wiped the folder mud burning into sand in the guide channel off with withdrawing about concrete the building, and has guaranteed the closely connected of concrete and joint well, and effectively filling pilot hole inner concrete is closely knit.Obviously utilize the present invention can well solve the percolating water defective of underground continuous wall connector, make diaphragm wall form an integral body more closely, guarantee that joint is water-tight.
Description of drawings
Fig. 1 lays the construction sketch map for joint of the present invention and joint case;
Fig. 2 is the joint design sketch map of the guiding fin of band O shape pipe of the present invention;
Fig. 3 is a brush wall device vertical view of the present invention;
Fig. 4 is a brush wall device elevation of the present invention;
Fig. 5 is a brush wall device construction lateral view of the present invention;
Fig. 6 is a brush wall device construction vertical view of the present invention;
Fig. 7 is a tamper construction lateral view of the present invention;
Fig. 8 is a tamper construction vertical view of the present invention;
Fig. 9 lays the construction sketch map for preferred joint of the section of groove in advance of the present invention and joint case;
Figure 10 is the joint design sketch map of T shape guiding fin of the present invention;
Figure 11 is a preferred tamper construction vertical view of the present invention;
Figure 12 is a preferred brush wall device construction vertical view of the present invention.
The specific embodiment
Through embodiment characteristic of the present invention and other correlated characteristic are done further explain below in conjunction with accompanying drawing, so that technician's of the same trade understanding:
Among the accompanying drawing 1-8 label 1-11 representative be joint 1, joint case 2, magnet 3, reinforcing cage 4, guiding fin 5, matrix gathering sill 6, only starch iron sheet 7, wire brush 8, concavity gathering sill 9, brush wall device 10, hanger 11, fin plate 12, crane 13, tamper 14.
Embodiment: shown in Fig. 1～8, the present invention relates to the underground building class, be specifically related to a kind of job practices that is used for underground continuous wall connector.The underground continuous wall connector job practices that present embodiment relates to specifically comprises reinforcing cage 4, be welded in joint 1 on the reinforcing cage 4, fit tightly with joint 1 joint case 2, brush wall device 10 and tamper 14; Concrete construction sequence of the present invention is following:
1. at first joint 1 is installed on the reinforcing cage 4 in the first phase groove section, and the integral solder moulding, when dark, only starch iron sheet 7 in the installation of the marginal portion of joint 1, the risk that the reduction concrete streams as if the ground wall degree of depth; Wherein said joint 1 partly is made up of flanging dull and stereotyped, that be positioned at the wing plate of dull and stereotyped both sides and be positioned at the wing plate edge, and a guiding fin 5 is set on the center line of joint 1, and guiding fin 5 is made up of O shape pipe.
2. thereafter joint case 2 is fitted tightly with joint 1 along guiding fin 5; For guaranteeing that joint case 2 can be as much as possible near tubular guiding rail 5; On the binding face of joint case 2 and guiding rail 5, offer trapezoidal matrix gathering sill 6; And on the plane of trapezoidal matrix gathering sill 6 bottoms, offer a groove and embedded magnet 3, thus make joint case 2 in transferring process, magnet 3 is had an effect joint case 2 and joint 1 can be fitted tightly all the time; Guarantee joint 1 unlikely distortion and influence follow-up construction, effectively prevent to stream concrete simultaneously and get into the second stage of groove section joint.The trapezoidal matrix gathering sill of offering on its center tap case 26; Its groove dual-side slopes inwardly; Form gradient slideway when being convenient to tubular guiding fin 5 entering on the joint 1, for example trapezoidal matrix gathering sill 6 bottoms are wide to be about 60cm, and the diameter of tubular guiding fin 5 is about 48cm.
3. then reinforcing cage 4 is transferred in the first phase groove section; And carry out the concrete operation of building; Build in the process concrete, drive joint 1 place of tamper 14 in reinforcing cage 4 through crane 13 and do the tamping operation on the vertical direction, along with the rising of concrete surface; Tamper 14 upwards promotes, and remains the bottom of tamper 14 to imbed 5～6m below the concrete surface along guiding fin 5; Treat concreting to design elevation, tamper 14 is slowly at the uniform velocity extracted.Wherein tamper 14 can be wiped the folder mud burning into sand at guiding fin 5 structure places off in withdrawing process up and down, has guaranteed the closely connected of concrete and joint 1 well, effectively filling the closely knit of fin 5 inner concretes of leading.
4. behind concrete initial set, joint case 2 is extracted.
5. groover excavation next-door neighbour's the second stage of groove section after; Treat that described the second stage of groove section digs; The tubular guiding fin 5 that opening O shape concavity gathering sill 9 on the brush wall device 10 is inserted on the joint 1 constitutes mandatory brush wall; And make the brush wall of brush wall device 10 and the spacing between the joint 1 keep being separated by 20～30cm, guaranteed the wire brush 8 on the brush wall device 10 and joint 1 fits tightly and wire brush 8 is applied to the frictional force on the joint 1; Crane 13 is through catching on hanger 11 in the vertical direction handlings brush wall device 10 subsequently; The fin plate 12 of guiding brush wall device 10 bottoms at first will be rooted out attached to mass concrete on the joint 1 and silt particle in moving downward process, and the wire brush 8 tiny silt particle that will be attached on the joint 1 brushes totally subsequently.Cleaned with water the wing plate part of part by wire brush 8 on its center tap 1 for dull and stereotyped and dull and stereotyped both sides.
6. after waiting to brush the end of wall cleaning process, described the second stage of groove section is carried out basic skill or training's work clearly, transfer reinforcing cage again and carry out concrete building, so back and forth accomplish the intersegmental joint of all grooves and construct.
Like Fig. 9,10,11, shown in 12, the shape of the guiding rail 5 described in the present invention is not limited to pipe O shape, also can be the T steel plate.Along with guiding fin 5 shapes become the T steel plate, the groove of tamper 14 is also changed into the T connected in star thereupon, and the concavity gathering sill 9 of brush wall device 10 also becomes T shape concavity gathering sill thereupon.Therefore those skilled in the art obviously understands the alteration of form along with guiding fin 5, and tamper 14 also will be changed into the groove shapes that is complementary with it with the groove on the brush wall device 10 thereupon.
The present invention has increased guiding fin 5 with respect to traditional handicraft, and described guiding fin 5 can be used as later stage brush wall and the guide rail of making firm by ramming, thereby guarantees brush wall and the effect of making firm by ramming better; Prolong the infiltration path, more effectively reduced the risk of percolating water, can prevent and treat percolating water better; Guarantee the adhesion stress of back pouring concrete and joint 1, prevent concrete and joint 1 between disengaging, reduce the passage of percolating water, prevent the generation of percolating water well.
Claims (4)
1. a job practices that is used for underground continuous wall connector is specifically related to reinforcing cage, joint, joint case and brush wall device, it is characterized in that comprising the steps: at least
The female adapter of said reinforcing cage is set, and wherein said joint partly is made up of flanging dull and stereotyped, that be positioned at the wing plate of dull and stereotyped both sides and be positioned at the wing plate edge, on the external surface of the flat board of said joint, fixedly installs the guiding fin;
Said joint case is set; Described joint case is a trapezoidal cabinet; On the side of said joint case near said female adapter; Be provided with a matrix gathering sill, outside the said guiding fin within contouring and the said matrix gathering sill shape, size and the relative position of contouring adaptive mutually, and can realize relative slip between the two;
Said brush wall device is set; Offer a concavity gathering sill on the brush wall of said brush wall device; Within the concavity gathering sill on the said brush wall outside contouring and the said guiding fin shape, size and the relative position between the contouring adaptive mutually, and can realize relative slip between the two.
2. a kind of job practices that is used for underground continuous wall connector according to claim 1 is characterized in that said guiding fin is to protrude in the pipe that the external surface of said flat board fixedly installs.
3. a kind of job practices that is used for underground continuous wall connector according to claim 1; It is characterized in that being provided with magnet along part on the matrix gathering sill of said joint case; The matrix gathering sill bottom of said joint case offers groove, and said magnet is embedded in the said groove.
4. a kind of job practices that is used for underground continuous wall connector according to claim 1; Right-angled triangle fin plate is equipped with at the back side that it is characterized in that in said brush wall device bottom and be positioned at said brush wall, and the low-angle summit of wherein said right-angled triangle fin plate flushes with said brush wall device base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210316375.XA CN102797264B (en) | 2012-08-31 | 2012-08-31 | Construction method for joints of underground continuous walls |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210316375.XA CN102797264B (en) | 2012-08-31 | 2012-08-31 | Construction method for joints of underground continuous walls |
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| Publication Number | Publication Date |
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| CN102797264A true CN102797264A (en) | 2012-11-28 |
| CN102797264B CN102797264B (en) | 2015-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210316375.XA Active CN102797264B (en) | 2012-08-31 | 2012-08-31 | Construction method for joints of underground continuous walls |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104912057A (en) * | 2015-04-13 | 2015-09-16 | 上海远方基础工程有限公司 | Novel underground diaphragm wall construction method |
| CN107700475A (en) * | 2017-11-16 | 2018-02-16 | 浙江杰立建设集团有限公司 | A kind of assembly concrete continuous underground wall structure and construction technology |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2981632B2 (en) * | 1992-11-10 | 1999-11-22 | 東急建設株式会社 | Construction method of joint of underground wall |
| JP3867197B2 (en) * | 2001-08-01 | 2007-01-10 | 株式会社大林組 | Method for constructing joint part of underground wall and removal device for joint part forming tool of underground wall |
| KR101025179B1 (en) * | 2008-12-19 | 2011-03-31 | 코오롱건설주식회사 | Reinforcement assembly and c.i.p. construction method |
| CN102155010A (en) * | 2011-05-28 | 2011-08-17 | 上海远方基础工程有限公司 | Seaming method of underground diaphragm wall |
-
2012
- 2012-08-31 CN CN201210316375.XA patent/CN102797264B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2981632B2 (en) * | 1992-11-10 | 1999-11-22 | 東急建設株式会社 | Construction method of joint of underground wall |
| JP3867197B2 (en) * | 2001-08-01 | 2007-01-10 | 株式会社大林組 | Method for constructing joint part of underground wall and removal device for joint part forming tool of underground wall |
| KR101025179B1 (en) * | 2008-12-19 | 2011-03-31 | 코오롱건설주식회사 | Reinforcement assembly and c.i.p. construction method |
| CN102155010A (en) * | 2011-05-28 | 2011-08-17 | 上海远方基础工程有限公司 | Seaming method of underground diaphragm wall |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104912057A (en) * | 2015-04-13 | 2015-09-16 | 上海远方基础工程有限公司 | Novel underground diaphragm wall construction method |
| CN104912057B (en) * | 2015-04-13 | 2017-03-29 | 上海远方基础工程有限公司 | Construction method of underground continuous wall |
| CN107700475A (en) * | 2017-11-16 | 2018-02-16 | 浙江杰立建设集团有限公司 | A kind of assembly concrete continuous underground wall structure and construction technology |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102797264B (en) | 2015-02-25 |
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| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI DISTANCE FOUNDATION ENGINEERING CO.,LTD. Free format text: FORMER OWNER: LIU ZHONGCHI Effective date: 20140402 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20140402 Address after: 200436, room 56, No. three, 502 Shanghai Road, Zhabei District, China Applicant after: Shanghai Yuanfang Groundwork Engineering Co., Ltd. Address before: 200436, room 56, No. three, 502 Shanghai Road, Zhabei District, China Applicant before: Liu Zhongchi |
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