CN102561315A - Linkage precast pile type underground diaphragm wall - Google Patents
Linkage precast pile type underground diaphragm wall Download PDFInfo
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- CN102561315A CN102561315A CN2012100325678A CN201210032567A CN102561315A CN 102561315 A CN102561315 A CN 102561315A CN 2012100325678 A CN2012100325678 A CN 2012100325678A CN 201210032567 A CN201210032567 A CN 201210032567A CN 102561315 A CN102561315 A CN 102561315A
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Abstract
A linkage precast pile type underground diaphragm wall relates to an industrial and civil building precast part, and particularly relates to an underground spatial geotechnical supporting system. The linkage precast pile type diaphragm wall comprises more than two piles, connecting plates, water retaining grooves and water retaining gel materials. Each pile is a hollow concrete precast rectangular pile formed by concrete, prestress steel bars or steel strands, hoop ribs, rebar, the connecting plates, main rib rivet holes and the water retaining grooves. The connecting plates are connected to two end faces of each pile, any two opposite lateral walls of each pile are provided with the inwardly-concave water retaining grooves, the length of each water retaining groove is 2/5-4/5 of that of each pile, the water retaining grooves on each two opposite lateral walls are identical in shape and size, the water retaining grooves of each two adjacent piles are opposite in position and filled with the water retaining gel materials. The connecting plates are provided with the main rib rivet holes and connected with main ribs in the piles through the main rib rivet holes. The linkage precast pile type underground diaphragm wall compared with normal precast concrete has higher bearing capacity and more evident energy saving and environment protection effects.
Description
Technical field
The present invention relates to a kind of industry and civilian construction prefabricated component, particularly a kind of underground space ground support system.
Background technology
Along with the development of China's construction, the underground space utilization that is used for underground traffic, commerce and garage more and more obtains the attention of governments at all levels.In recent years, underground space excavation supporting skill wood is used in a large amount of engineerings.Traditional diaphragm wall supporting and protection structure form reasonable stress, but exist construction technology complicated, mud contamination is serious, and is long in time limit, defectives such as cost height, thereby it is alternative progressively to be poured a supporting and protection structure form in recent years.Relative diaphragm wall, castinplace pile supporting and protection structure has littler pollution, more casual labourer's phase and more advantage such as low cost.But for level was stressed, circular filling pile structure reasonable stress property can not show a candle to the rectangle continuous underground wall structure.
Summary of the invention
The object of the invention is intended to overcome present underground space excavation supporting and protection structure The Application of Technology defective commonly used; A kind of more low-carbon environment-friendly is provided; Casual labourer's phase more, low cost more, the chain preformed pile diaphragm wall of stay-in-grade underground space excavation supporting form of structure.
Chain according to the invention precast diaphragm walls, pile body by a chain, connecting plate and sealing material for the sink and cementitious composition, the pile is made of concrete, prestressed steel bars or steel strand, hoop Zhu, reinforced , the connecting plate, the main Zhu rivet holes, a hollow tank for precast concrete rectangular body, the two end faces of the pile of plates is connected, any two of the pile on the side wall corresponding to the stop concave tank , only the length of the water tank is smaller than four-fifths of the length of the pile body, two side walls corresponding to the shape of the tank for the same size, a single instance of two adjacent bodies coincide with each other to form a tank for sealing holes in the stop water hole is filled with cementitious sealing materials, reinforcement rivet holes on the plate, reinforcement plate rivet holes through the body of the pile reinforcement connections.
The described cavity that the chain stake of single individuality forms through the water stopping trough on the pile body more than at least two is filled the whole diaphragm wall of the chain formation of gelling sealing material in the cavity.
Water stopping trough on the described chain stake pile body is shaped as a kind of of shape after zhou duicheng tuxing is cut apart along axis of symmetry in the regular polygon.
Water stopping trough on the described chain stake pile body is shaped as semicircle, triangle, a kind of in square, trapezoidal.
Described water stopping trough is to be arranged parallel to each other more than two and with the vertical knuckle line of pile body, and its length is the 2/5-4/5 of pile body length.
Described reinforcing bar is a nonprestressed reinforcement.
The prestressed steel bars or strands alone as the pile reinforcement; or prestressed steel bars or non-prestressed steel strand with a pile main Zhu, mix with each other.
The prestressed steel bars or strands with non-prestressed reinforcement as the primary Zhu pile mixed with each other, the non-prestressed reinforcement is not greater than the length of the pile length.
The prestressed steel bars or strands with non-prestressed reinforcement as the primary Zhu pile mixed with each other, the non-prestressed reinforcement directly fixed to the plate, or fixed on the prestressed steel bars or strand, or on Shiguzhushang.
After the prefabricated pile body of chain preformed pile diaphragm wall of the present invention passes through the centrifugation moulding by materials such as concrete, main muscle, junction plates; The cuboid of the hollow that forms through high pressure or atmospheric steam curing again; Two ends at pile body are provided with junction plate, and junction plate is connected with main muscle through main muscle rivet hole, and water stopping trough is positioned on two lateral walls of the correspondence outside the preformed pile pile body; Its shape is identical; Equal and opposite in direction is the shape after zhou duicheng tuxing is cut apart along axis of symmetry, and the water stopping trough of two side is indent.In work progress, adjacent two preformed piles are implanted projected depth with construction machinery by designing requirement under the effect of guiding device, the water stopping trough on the adjacent in twos preformed pile sidewall unites two into one and forms the sealing hole; In this hole, inject the gelling sealing material; In the injection hole also can be mortar, cement paste or other ends the gelling sealing material, after the sclerosis of gelling sealing material is solidified, its gelling property with preformed pile with the cementation method integral body of chain one-tenth that bonds; Form diaphragm wall; This not only can realize keeping off soil simultaneously and sealing is once accomplished, and the more important thing is that under the effect of gelling sealing material, adjacent in twos pile body is bonded in together; Make through the ground collar tie beam that the preformed pile of single individuality is chain to have formed complete diaphragm wall, reach the effect of water-stop curtain.The present invention uses the centrifugal molding process batch production to produce, and can use high-strength concrete and high tensile reinforcement, meets the industrial policy of China, and more common precast concrete has more high-bearing capacity, and effects of energy conservation and environmental protection is obvious.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is an end face transversary sketch map of the present invention.
Among the figure, 1-preformed pile, 2-junction plate, 3-master's muscle rivet hole, 4-master's muscle, 5-gelling sealing material, 6-concrete, 7-water stopping trough.
The specific embodiment
Below in conjunction with accompanying drawing further explanation is newly done in this practicality, but be not limited to embodiment.
Embodiment 1
Chain preformed pile diaphragm wall of the present invention is made up of pile body 1, water stopping trough 7, gelling sealing material 5.Fluid concrete 6 is after centrifugal forming, vibration moulding or alternate manner moulding adopt stream curing or natural curing to prepare the preformed pile of single individuality.Pile body 1 is the concrete prefabricated cuboid of hollow; On two end faces of pile body 1, be connected with junction plate 2; On any two corresponding lateral walls of pile body, water stopping trough 7 is arranged; The length of water stopping trough 7 is the 2/5-4/5 of pile body 1 length, water stopping trough 7 shapes on the two corresponding sidewalls, big or small identical, and water stopping trough is an indent; Water stopping trough 7 be shaped as a kind of of shape after zhou duicheng tuxing is cut apart along axis of symmetry in semicircle, triangle, square, trapezoidal or other regular polygon, water stopping trough 7 is to be arranged parallel to each other more than two and with the vertical knuckle line of pile body.In water stopping trough 7, be marked with gelling sealing material 5.Main muscle rivet hole 3 is arranged on junction plate 2, and junction plate 2 is connected with main muscle 4 through main muscle rivet hole 3, and main muscle 4 also can be steel strand, or junction plate 2 directly is connected with nonprestressed reinforcement.In prestressed steel bars or strands with non-prestressed reinforcement at the same time as the main Zhu, non-prestressed reinforcement can also be fixed on the prestressed steel bars or strands, this will help improve the pile bending flexural capacity moments.
In work progress; Adjacent two preformed piles are implanted projected depth with construction machinery by designing requirement under the effect of guiding device; Water stopping trough on the adjacent in twos preformed pile sidewall unites two into one and forms the sealing hole; In this hole, inject the gelling sealing material, can be mortar, cement paste or other ends the gelling sealing material.Because the length of water stopping trough is the 2/5-4/5 of pile body length, in planting a process, can effectively stop the soil body to pour in water stopping trough,, also can sealing material be strapped in the ideal range, to improve its utilization rate when when in water stopping trough, injecting sealing material.After 5 sclerosis of gelling sealing material are solidified; Its gelling property with the cementation method integral body of chain one-tenth that bonds, forms diaphragm wall with preformed pile, and this can realize simultaneously that not only retaining soil and sealing once accomplish; The more important thing is under the effect of gelling sealing material; Adjacent in twos pile body is bonded in together, makes that the preformed pile of single individuality is chain to have formed complete diaphragm wall, reaches the effect of water-stop curtain.The present invention uses the centrifugal molding process batch production to produce, and can use high-strength concrete and high tensile reinforcement, meets the industrial policy of China, and more common precast concrete pile has more high-bearing capacity, and effects of energy conservation and environmental protection is obvious.
Claims (7)
1 A chain of underground continuous wall precast pile by pile, plate and sealing material for the sink and cementitious composition, the pile is made of concrete, prestressed steel bars or steel strand, hoop Zhu, rebar, plate main Zhu rivet holes, a hollow tank for precast concrete rectangular body, the body of the pile are connected to both end faces of plate, characterized in that two or more of the pile, the pile body corresponding to any two only on the concave side tank, the water tank for the length of the pile length 2/5-4/5, two side walls corresponding to the shape of the tank for the same size, the two adjacent sink for the pile position Correspondingly, the corresponding sealing sealing groove filled with cementitious material, the reinforcement plate on the rivet holes through the reinforcement plate body of the rivet hole and the pile reinforcement connection.
2. chain preformed pile diaphragm wall according to claim 1 is characterized in that, the cavity that plural at least pile body forms through the water stopping trough on the pile body is filled the whole diaphragm wall of the chain formation of gelling sealing material in the cavity.
3. chain preformed pile diaphragm wall according to claim 1 is characterized in that, described water stopping trough is to be arranged parallel to each other more than one and with the vertical knuckle line of pile body, and its length is less than 4/5ths of pile body length.
4. chain preformed pile diaphragm wall according to claim 1 is characterized in that, the water stopping trough on the described pile body is shaped as a kind of of shape after zhou duicheng tuxing is cut apart along axis of symmetry in the regular polygon.
5 according to claim 1, wherein the chain precast underground continuous wall, wherein the prestressing steel bars or strands alone as the pile reinforcement; or prestressed steel bars or strands with non-prestressed reinforcement as the pile Dominant Zhu, mixed with each other.
6 according to claim 5, wherein the chain precast underground continuous wall, wherein the prestressing steel bars or strands with non-prestressed reinforcement as the primary Zhu pile mixed with each other when used in non-prestressed reinforcement length greater than the length of the pile.
7 according to claim 5, wherein the chain precast underground continuous wall, wherein the prestressing steel bars or strands with non-prestressed reinforcement as the primary Zhu pile mixed with each other, the non-prestressed reinforcement fixed directly plate, or fixed on the prestressed steel bars or strands, or on the hoop Zhu.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210032567.8A CN102561315B (en) | 2012-02-14 | 2012-02-14 | Linkage precast pile type underground diaphragm wall |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210032567.8A CN102561315B (en) | 2012-02-14 | 2012-02-14 | Linkage precast pile type underground diaphragm wall |
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| CN102561315A true CN102561315A (en) | 2012-07-11 |
| CN102561315B CN102561315B (en) | 2014-12-24 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106088081A (en) * | 2016-07-25 | 2016-11-09 | 天津建城基业集团有限公司 | A kind of pretensioned prestressing centrifugal forming high-strength concrete prefabricated hollow I shape support pile |
| CN106320322A (en) * | 2016-10-18 | 2017-01-11 | 上海强劲地基工程股份有限公司 | Foundation pit and side slope envelope enclosure for prestress fabricated special-shaped pile wall |
| CN115387323A (en) * | 2022-08-12 | 2022-11-25 | 上海建工二建集团有限公司 | Assembled underground continuous wall connecting joint and construction method thereof |
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| US4304507A (en) * | 1979-10-15 | 1981-12-08 | Hiroichi Sato | Method for producing a continuous wall |
| US4909674A (en) * | 1987-05-28 | 1990-03-20 | Kajima Corporation | Underground continuous impervious wall and method for installing same |
| FR2816647B1 (en) * | 2000-11-15 | 2003-01-17 | Gtm Construction | FACING FOR REINFORCED LAND WORK |
| CN2782762Y (en) * | 2005-01-31 | 2006-05-24 | 黄强 | Prestressed concrete hollow square section pile and tip of same |
| CN2876180Y (en) * | 2005-12-05 | 2007-03-07 | 颜小荣 | Normal polygon prestressed hollow pile end plate |
| CN101200900A (en) * | 2007-12-17 | 2008-06-18 | 颜小荣 | Construction method of water-stopping combined continuous wall prefabricated by centrifugal process |
| CN201155109Y (en) * | 2007-12-07 | 2008-11-26 | 颜小荣 | Precast water sealing continuous wall concrete component |
| CN102261065A (en) * | 2010-05-25 | 2011-11-30 | 张继红 | Opened high-strength concrete prefabricated pile, and pile mould and centrifugal manufacturing method thereof |
| CN202482889U (en) * | 2012-02-14 | 2012-10-10 | 云南中技管桩有限公司 | Underground diaphragm wall of interlocked prefabricated pile |
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2012
- 2012-02-14 CN CN201210032567.8A patent/CN102561315B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4304507A (en) * | 1979-10-15 | 1981-12-08 | Hiroichi Sato | Method for producing a continuous wall |
| US4909674A (en) * | 1987-05-28 | 1990-03-20 | Kajima Corporation | Underground continuous impervious wall and method for installing same |
| FR2816647B1 (en) * | 2000-11-15 | 2003-01-17 | Gtm Construction | FACING FOR REINFORCED LAND WORK |
| CN2782762Y (en) * | 2005-01-31 | 2006-05-24 | 黄强 | Prestressed concrete hollow square section pile and tip of same |
| CN2876180Y (en) * | 2005-12-05 | 2007-03-07 | 颜小荣 | Normal polygon prestressed hollow pile end plate |
| CN201155109Y (en) * | 2007-12-07 | 2008-11-26 | 颜小荣 | Precast water sealing continuous wall concrete component |
| CN101200900A (en) * | 2007-12-17 | 2008-06-18 | 颜小荣 | Construction method of water-stopping combined continuous wall prefabricated by centrifugal process |
| CN102261065A (en) * | 2010-05-25 | 2011-11-30 | 张继红 | Opened high-strength concrete prefabricated pile, and pile mould and centrifugal manufacturing method thereof |
| CN202482889U (en) * | 2012-02-14 | 2012-10-10 | 云南中技管桩有限公司 | Underground diaphragm wall of interlocked prefabricated pile |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106088081A (en) * | 2016-07-25 | 2016-11-09 | 天津建城基业集团有限公司 | A kind of pretensioned prestressing centrifugal forming high-strength concrete prefabricated hollow I shape support pile |
| CN106320322A (en) * | 2016-10-18 | 2017-01-11 | 上海强劲地基工程股份有限公司 | Foundation pit and side slope envelope enclosure for prestress fabricated special-shaped pile wall |
| CN115387323A (en) * | 2022-08-12 | 2022-11-25 | 上海建工二建集团有限公司 | Assembled underground continuous wall connecting joint and construction method thereof |
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| Publication number | Publication date |
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| CN102561315B (en) | 2014-12-24 |
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Effective date of registration: 20180719 Granted publication date: 20141224 |
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Effective date of registration: 20211122 Address after: No.30, Tongxing East Road, Dongsheng Town, Zhongshan City, Guangdong Province Patentee after: GUANGDONG SANHE PILES Co.,Ltd. Patentee after: China Academy of Building Sciences Address before: 650000 Kunming majinpu South Zhongji pipe pile Co., Ltd Patentee before: YUNNAN ZHONGZHI PIPE PILE CO.,LTD. Patentee before: China Academy of Building Sciences |
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