CN102561315B - Linkage precast pile type underground diaphragm wall - Google Patents
Linkage precast pile type underground diaphragm wall Download PDFInfo
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- CN102561315B CN102561315B CN201210032567.8A CN201210032567A CN102561315B CN 102561315 B CN102561315 B CN 102561315B CN 201210032567 A CN201210032567 A CN 201210032567A CN 102561315 B CN102561315 B CN 102561315B
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- pile body
- pile
- zhu
- water stopping
- diaphragm wall
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 31
- 239000010959 steel Substances 0.000 claims abstract description 31
- 239000004567 concrete Substances 0.000 claims abstract description 10
- 239000003566 sealing material Substances 0.000 claims description 19
- 210000003205 Muscles Anatomy 0.000 claims description 17
- 230000002787 reinforcement Effects 0.000 claims description 16
- 230000000875 corresponding Effects 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000005755 formation reaction Methods 0.000 claims description 4
- 230000003014 reinforcing Effects 0.000 claims description 3
- 210000000476 Body Water Anatomy 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 3
- 239000011178 precast concrete Substances 0.000 abstract description 3
- 210000000614 Ribs Anatomy 0.000 abstract 5
- 238000007789 sealing Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000011218 segmentation Effects 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 230000018199 S phase Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011372 high-strength concrete Substances 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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 for underground traffic, business and garage utilizes the attention more and more obtaining governments at all levels.In recent years, Underground Space Excavation supporting skill wood is applied in a large amount of engineering.Traditional Diaphragm Wall Support Structure form reasonable stress, but there is complicated construction technique, mud contamination is serious, long in time limit, high cost defect, is thus in recent years progressively poured a supporting and protection structure form and substitutes.Relative diaphragm wall, castinplace pile supporting and protection structure has less pollution, more casual labourer's phase and the more advantage such as low cost.But for horizontal force, circular irrigation pilework receive strength rationality can not show a candle to rectangle continuous underground wall structure.
Summary of the invention
Object of the present invention is intended to the applied defect overcoming the supporting and protection structure technology that current Underground Space Excavation is commonly used, one more low-carbon environment-friendly is provided, more casual labourer's phase, more low cost, the linkage precast pile type underground diaphragm wall of stay-in-grade Underground Space Excavation supporting and protection structure form.
Linkage precast pile type underground diaphragm wall of the present invention, by chain stake pile body, junction plate and water stopping trough and gelling sealing material are formed, pile body is by concrete, prestressed steel bar or steel strand, Gu Zhu, reinforcing bar, junction plate, Zhu Zhu rivet hole, the hollow concrete prefabricated rectangle body that water stopping trough is formed, two end faces of pile body are connected with junction plate, any two corresponding sidewalls of pile body have the water stopping trough of indent, the length of water stopping trough is less than 4/5ths of pile body length, water stopping trough shape on two corresponding sidewalls, size is identical, the two pile body water stopping troughs identical rear formation sealing hole mutually of adjacent single individuality, gelling sealing material is filled with in sealing hole, junction plate has main muscle rivet hole, junction plate is connected with the main muscle in pile body by main muscle rivet hole.
The chain stake of the described single individuality of at least two or more, by the cavity of the water stopping trough formation on pile body, fills the overall diaphragm wall of the chain formation of gelling sealing material in cavity.
Water stopping trough shape on described chain stake pile body is the one of regular polygon formed symmetrical figure along the shape after axis of symmetry segmentation.
Water stopping trough shape on described chain stake pile body be semicircle, triangle, square, trapezoidal in one.
Described water stopping trough is more than two and is arranged parallel to each other with the longitudinal knuckle line of pile body, and its length is the 2/5-4/5 of pile body length.
Described reinforcing bar is nonprestressed reinforcement.
Described prestressed steel bar or steel strand are separately as the main muscle of pile body; Or prestressed steel bar or steel strand and nonprestressed reinforcement are as pile body Zhu Zhu, used in combination mutually.
Described prestressed steel bar or steel strand and nonprestressed reinforcement as pile body Zhu Zhu mutual used in combination time, the length of nonprestressed reinforcement is not more than pile body length.
Described prestressed steel bar or steel strand and nonprestressed reinforcement as pile body Zhu Zhu mutual used in combination time, nonprestressed reinforcement is directly fixed on junction plate, or is fixed on prestressed steel bar or steel strand, or on Gu Zhu.
After the prefabricated pile body of linkage precast pile type underground diaphragm wall of the present invention is shaping by centrifugation by materials such as concrete, main muscle, junction plates, again through the cuboid of the hollow of high pressure or atmospheric steam curing, junction plate is provided with at the two ends of pile body, junction plate is connected with main muscle by main muscle rivet hole, water stopping trough is positioned on two lateral walls of the correspondence outside preformed pile pile body, its shape is identical, equal and opposite in direction, be zhou duicheng tuxing along the shape after axis of symmetry segmentation, 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, water stopping trough on preformed pile sidewall adjacent between two unites two into one and forms sealing hole, gelling sealing material is injected in this hole, also mortar is can be in injection hole, cement paste or other only gelling sealing material, after the sclerosis of gelling sealing material is solidified, preformed pile to bond chain one-tenth entirety with cementation method by its gelling property, form diaphragm wall, this not only can realize gear soil simultaneously and sealing once completes, the more important thing is under the effect of gelling sealing material, pile body adjacent is between two bonded together, made by ground collar tie beam that the preformed pile of single individuality is chain defines complete diaphragm wall, reach effect of water-stop curtain.The present invention is application centrifugal molding process factorial praluction, and can apply high-strength concrete and high tensile reinforcement, meet the industrial policy of China, more common precast concrete has more high-bearing capacity, and effects of energy conservation and environmental protection is obvious.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is end face transversary schematic diagram of the present invention.
In figure, 1-preformed pile, 2-junction plate, the main muscle rivet hole of 3-, the main muscle of 4-, 5-gelling sealing material, 6-concrete, 7-water stopping trough.
Detailed description of the invention
Below in conjunction with accompanying drawing, this practicality is newly described further, but is not limited to embodiment.
Embodiment 1
Linkage precast pile type underground diaphragm wall of the present invention is made up of pile body 1, water stopping trough 7, gelling sealing material 5.Shaping through centrifugal forming, vibration moulding or alternate manner after fluid concrete 6, adopt stream curing or natural curing to prepare the preformed pile of single individuality.Pile body 1 is the concrete prefabricated cuboid of hollow, two end faces of pile body 1 are connected with junction plate 2, any two corresponding lateral walls of pile body there is water stopping trough 7, the length of water stopping trough 7 is the 2/5-4/5 of pile body 1 length, water stopping trough 7 shape on two corresponding sidewalls, size are identical, water stopping trough is indent, the shape of water stopping trough 7 be semicircle, triangle, square, trapezoidal or other regular polygon formed symmetrical figure along the one of the shape after axis of symmetry segmentation, water stopping trough 7 is more than two and is arranged parallel to each other with pile body longitudinal direction knuckle line.Gelling sealing material 5 is marked with in water stopping trough 7.Junction plate 2 has main muscle rivet hole 3, and junction plate 2 is connected with main muscle 4 by main muscle rivet hole 3, and main muscle 4 also can be steel strand, or junction plate 2 is directly connected with nonprestressed reinforcement.When prestressed steel bar or steel strand and nonprestressed reinforcement are simultaneously as Zhu Zhu, also nonprestressed reinforcement can be fixed on prestressed steel bar or steel strand, be conducive to improving pile body cross section anti-bending bearing capacity moment of flexure.
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 preformed pile sidewall adjacent between two unites two into one and forms sealing hole, in this hole, inject gelling sealing material, can be mortar, cement paste or other only gelling sealing material.Length due to water stopping trough is the 2/5-4/5 of pile body length, planting in a process and can effectively stoping the soil body to pour in water stopping trough, when when injecting sealing material in water stopping trough, also can be strapped in ideal range by sealing material, to improve its utilization rate.After gelling sealing material 5 sclerosis is solidified, preformed pile to bond chain one-tenth entirety with cementation method by its gelling property, form diaphragm wall, this not only can realize gear soil simultaneously and sealing once completes, the more important thing is under the effect of gelling sealing material, pile body adjacent is between two bonded together, and makes that the preformed pile of single individuality is chain defines complete diaphragm wall, reaches effect of water-stop curtain.The present invention is application centrifugal molding process factorial praluction, and can apply high-strength concrete and high tensile reinforcement, meet the industrial policy of China, more common precast concrete pile has more high-bearing capacity, and effects of energy conservation and environmental protection is obvious.
Claims (3)
1. a linkage precast pile type underground diaphragm wall, by pile body, junction plate and water stopping trough and gelling sealing material are formed, pile body is by concrete, prestressed steel bar or steel strand, Gu Zhu, reinforcing bar, junction plate, Zhu Zhu rivet hole, the concrete prefabricated cuboid of the hollow that water stopping trough is formed, two end faces of pile body are connected with junction plate, it is characterized in that, pile body is more than two, any two corresponding sidewalls of pile body have the water stopping trough of indent, the length of water stopping trough is the 2/5-4/5 of pile body length, water stopping trough shape on two corresponding sidewalls, size is identical, two adjacent pile body water stopping trough positions are corresponding, gelling sealing material is filled with in corresponding water stopping trough, junction plate has main muscle rivet hole, junction plate is connected with the main muscle in pile body by main muscle rivet hole, described prestressed steel bar or steel strand are separately as the main muscle of pile body, or prestressed steel bar or steel strand and nonprestressed reinforcement are as pile body Zhu Zhu, used in combination mutually, prestressed steel bar or steel strand and nonprestressed reinforcement as pile body Zhu Zhu mutual used in combination time, the length of nonprestressed reinforcement is not more than pile body length.
2. linkage precast pile type underground diaphragm wall according to claim 1, is characterized in that, the cavity that at least plural pile body is formed by the water stopping trough on pile body, fills the overall diaphragm wall of the chain formation of gelling sealing material in cavity.
3. linkage precast pile type underground diaphragm wall according to claim 1, it is characterized in that, prestressed steel bar or steel strand and nonprestressed reinforcement as pile body Zhu Zhu mutual used in combination time, nonprestressed reinforcement is directly fixed on junction plate, or be fixed on prestressed steel bar or steel strand, or on Gu 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 |
Applications Claiming Priority (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102561315A CN102561315A (en) | 2012-07-11 |
| CN102561315B true CN102561315B (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210032567.8A Active CN102561315B (en) | 2012-02-14 | 2012-02-14 | Linkage precast pile type underground diaphragm wall |
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Families Citing this family (2)
| 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 |
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 |
| 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 |
-
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 |
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| CN102561315A (en) | 2012-07-11 |
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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 |