CN112211200A - Multilayer bonded composite three-dimensional fabric foundation pit waterproof curtain supporting structure and construction method thereof - Google Patents
Multilayer bonded composite three-dimensional fabric foundation pit waterproof curtain supporting structure and construction method thereof Download PDFInfo
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- CN112211200A CN112211200A CN202011052578.3A CN202011052578A CN112211200A CN 112211200 A CN112211200 A CN 112211200A CN 202011052578 A CN202011052578 A CN 202011052578A CN 112211200 A CN112211200 A CN 112211200A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
- E02D19/18—Restraining of underground water by damming or interrupting the passage of underground water by making use of sealing aprons, e.g. diaphragms made from bituminous or clay material
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/18—Bulkheads or similar walls made solely of concrete in situ
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0075—Textiles
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Abstract
The invention relates to the technical field of building construction, in particular to a multilayer bonded composite three-dimensional fabric foundation pit waterproof curtain supporting structure and a construction method thereof, wherein the multilayer bonded composite three-dimensional fabric foundation pit waterproof curtain supporting structure comprises a plurality of cast-in-situ bored piles and a foundation pit connecting part which is arranged among the cast-in-situ bored piles and is used for connecting the cast-in-situ bored piles; a plurality of cast-in-situ bored piles are uniformly arranged at intervals; the foundation pit connecting part comprises a strip-shaped foundation trench and a reinforcement cage arranged in the strip-shaped foundation trench, and a plurality of layers of composite three-dimensional fabrics are horizontally arranged in the reinforcement cage; the invention utilizes the composite three-dimensional fabric and the reinforced concrete to connect the piles into a whole, thereby improving the strength and enhancing the water stopping performance; the water stopping capacity of the water-saving agent is improved by about 30 percent; the strength of the cast-in-situ bored pile support is improved by 15-20%; compared with a large-volume concrete structure, the used composite three-dimensional fabric saves the using amount of concrete, reduces the manufacturing cost by about 10 percent and improves the environment; the epoxy asphalt is used as the adhesive of each layer of three-dimensional fabric, so that the composite three-dimensional fabric is endowed with stronger water stopping performance and bonding stability.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a multilayer bonded composite three-dimensional fabric foundation pit waterproof curtain supporting structure and a construction method thereof.
Background
Along with the acceleration of national urbanization construction footsteps, the ground surface space is gradually deficient, so the development degree of the underground space of the building is higher and higher, and the foundation pit engineering is an important component part of building engineering, municipal engineering and the like. In cities, the surrounding environment is complex, the structures of side slopes and anchor cables are limited and difficult to construct, and the supporting mode of the conventional deep foundation pit engineering is difficult to meet the requirements. The conventional foundation pit supporting modes comprise slope setting, pile anchor supporting, steel sheet pile supporting, soil nailing wall supporting, double-row pile supporting and the like. Although the support strength and deformation of the existing cast-in-situ bored pile can meet corresponding standard requirements, the problem of water seepage of the side wall of a foundation pit is difficult to deal with, the construction cost of the used water interception curtain is high, the water seepage of the foundation pit is often the main reason of foundation pit damage, and corresponding measures are needed to improve the water stopping function of the cast-in-situ bored pile.
For example, the existing chinese patent application No. 201510487933.2 discloses an ultra-deep foundation pit supporting method: comprises a single-row triaxial deep-mixing pile waterproof curtain, the single-row three-axis deep-stirring pile water-stopping curtain is arranged along the periphery of a foundation pit and is lower than the natural ground, a plurality of the cast-in-situ piles are arranged in the foundation pit on the inner side of the single-row three-axis deep-stirring pile water-stopping curtain at intervals in sequence, a plurality of the steel stand columns are arranged in the foundation pit on the inner side of the cast-in-situ piles, the tops of the cast-in-situ piles are sequentially connected through reinforced concrete crown beams in a pulling mode, reinforced concrete purlins are arranged on the inner sides of the height positions of non-underground floor slabs of the plurality of the cast-in-situ piles along the periphery of the foundation pit, the inner periphery of each reinforced concrete purlin is connected through a plurality of reinforced concrete purlin beams supported on the steel stand columns in a pulling mode, the reinforced concrete purlin beams and the reinforced concrete purlin are connected in a latticed mode through a plurality of reinforced concrete inner supports, filling plain concrete is arranged inwards at the bottoms of the cast-in-situ piles, a bottom plate.
Although the technical scheme can achieve certain supporting strength, the problem of water seepage of the side wall of the foundation pit cannot be solved. Therefore, the present application needs to design a multi-layer bonded composite three-dimensional fabric foundation pit waterproof curtain supporting structure and a construction method thereof to solve the above technical problems.
Disclosure of Invention
Aiming at the problems, the invention provides a multilayer bonded composite three-dimensional fabric foundation pit waterproof curtain supporting structure and a construction method thereof.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a multilayer bonded composite three-dimensional fabric foundation pit waterproof curtain supporting structure comprises a plurality of cast-in-situ bored piles and a foundation pit connecting part which is arranged among the cast-in-situ bored piles and used for connecting the cast-in-situ bored piles;
a plurality of the cast-in-situ bored piles are uniformly arranged at intervals;
the foundation pit connecting part comprises a strip-shaped foundation trench and a reinforcement cage arranged in the strip-shaped foundation trench, and a plurality of layers of composite three-dimensional fabrics are horizontally arranged in the reinforcement cage;
the multilayer composite three-dimensional fabric is composed of a plurality of single-layer three-dimensional fabrics, and the single-layer three-dimensional fabrics are bonded through an adhesive.
Preferably, each single-layer three-dimensional fabric comprises a three-dimensional fabric holding layer, and three-dimensional fabric leveling layers are arranged on the upper surface and the lower surface of the three-dimensional fabric holding layer.
Preferably, the three-dimensional fabric holding layer and the three-dimensional fabric leveling layer are both formed by weaving fabrics; height h of the three-dimensional fabric bearing layer11.5-2cm, the height of the three-dimensional fabric leveling layerDegree h2Is 0.5-1 cm.
Preferably, the adhesive is epoxy asphalt, and the thickness d of the adhesive1Is 0.1-0.2 cm.
Preferably, the steel reinforcement cage is the rectangle form, the steel reinforcement cage includes a plurality of vertical muscle and a plurality of horizontal muscle, a plurality of vertical muscle and a plurality of horizontal muscle mutually perpendicular sets up.
The invention also provides a construction method of the multilayer bonded composite three-dimensional fabric foundation pit waterproof curtain supporting structure, which specifically comprises the following steps:
step one, determining a cast-in-situ bored pile and a supporting area A according to a foundation pit supporting plane layout, and arranging the size of a large sample drawing according to a design drawing;
step two, installing a drilling machine, embedding a steel casing before drilling, preventing hole collapse, hanging the prefabricated reinforcement cage, and then pouring concrete by using a guide pipe;
step three, manufacturing a single-layer three-dimensional fabric, namely weaving a three-dimensional fabric holding layer, then weaving three-dimensional fabric leveling layers on the upper surface and the lower surface of the three-dimensional fabric holding layer respectively, and finally bonding the single-layer three-dimensional fabric into a multi-layer composite three-dimensional fabric by utilizing the bonding property of epoxy asphalt;
fourthly, excavating a strip-shaped foundation trench, wherein the length L of the trench is equal to LSteel reinforcement cage=1.5-2dPile diameterW25-35 cm wide and H L deepPile lengthCleaning the mud residue of the foundation trench and ensuring the side wall of the foundation trench to be vertical;
step five, manufacturing a reinforcement cage, wherein the space L between the cast-in-place piles is taken as a unit section, the diameter of the reinforcement is 8-14mm, and the height H of the reinforcement cage isSteel reinforcement cage=LPile lengthWidth of reinforcement cage DSteel reinforcement cage8-12cm long for steel bar cageSteel reinforcement cage1.5-2d pile diameter, vertical reinforcement spacing d of reinforcement cageVertical rib12-22cm, horizontal rib spacing LHorizontal rib=15-25cm;
Hoisting the reinforcement cage to the excavated strip-shaped foundation trench, detecting the flatness of the reinforcement cage and the side wall of the foundation pit, and placing the multilayer composite three-dimensional fabric after ensuring the flatness of the reinforcement cage and the side wall of the foundation pit;
and seventhly, checking the flatness of the reinforcement cage, the multilayer composite three-dimensional fabric and the side wall of the pit, and then pouring fine sand concrete into the reinforcement cage.
Preferably, in the step (VII), the coarse aggregate of the fine sand concrete adopts crushed stone particles with the diameter of 0.5-2cm, the fine aggregate of the fine sand concrete adopts fine sand, the fineness modulus of the fine sand concrete is 1.6-2.0, the water-cement ratio is 0.3-0.45, and the mixing amount of the fly ash is 10% -30%.
Preferably, the sand rate of the fine sand used in the fine sand concrete is 20-35%.
The invention has the beneficial effects that:
1. the invention utilizes the composite three-dimensional fabric and the reinforced concrete to connect the piles into a whole, thereby improving the strength and enhancing the water stopping performance; the water-stopping capacity of the cast-in-situ bored pile is obviously improved by about 30 percent; the strength of the cast-in-situ bored pile support is improved by 15-20%.
2. Compared with a large-volume concrete structure, the composite three-dimensional fabric saves the using amount of concrete, reduces the manufacturing cost by about 10 percent and improves the environment.
3. The invention uses the epoxy asphalt as the adhesive of each layer of three-dimensional fabric, and endows the composite three-dimensional fabric with stronger water stopping performance and bonding stability.
4. The construction method of the invention has strong stratum adaptability and strong construction operability.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a multilayer composite three-dimensional fabric according to the present invention;
FIG. 3 is a schematic structural view of a single layer three-dimensional fabric according to the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 1;
fig. 5 is a schematic structural view of the reinforcement cage of the present invention.
In the figure: the concrete pile comprises 1 cast-in-situ bored pile, 2 single-layer three-dimensional fabric, 2-1 three-dimensional fabric support layer, 2-2 three-dimensional fabric leveling layer, 3 adhesive, 4 multi-layer composite three-dimensional fabric, 5 strip-shaped foundation grooves, 6 steel reinforcement cages, 6-1 vertical ribs and 6-2 horizontal ribs.
Detailed Description
The technical solution of the present invention is described below with reference to the accompanying drawings and examples.
Referring to fig. 1-5, the multilayer bonded composite three-dimensional fabric foundation pit waterproof curtain supporting structure comprises a plurality of cast-in-situ bored piles 1 and a foundation pit connecting part arranged between the cast-in-situ bored piles 1 and used for connecting the cast-in-situ bored piles 1:
a plurality of the cast-in-situ bored piles 1 are uniformly arranged at intervals;
referring to fig. 4, the foundation pit connecting part comprises a strip-shaped foundation trench 5 and a reinforcement cage 6 arranged in the strip-shaped foundation trench 5, wherein a plurality of layers of composite three-dimensional fabrics 4 are horizontally arranged in the reinforcement cage 6; the composite three-dimensional fabric and the reinforced concrete are used for connecting the piles into a whole, so that the strength is improved, and the water stopping performance is enhanced.
Referring to fig. 2-3, the multilayer composite three-dimensional fabric 4 is composed of a plurality of single-layer three-dimensional fabrics 2, and the single-layer three-dimensional fabrics 2 are bonded through an adhesive 3; the composite three-dimensional fabric used herein can improve the environment and save energy compared to the mass use of concrete structures.
Specifically, each single-layer three-dimensional fabric 2 comprises a three-dimensional fabric holding layer 2-1, and three-dimensional fabric leveling layers 2-2 are arranged on the upper surface and the lower surface of each three-dimensional fabric holding layer 2-1.
Specifically, the three-dimensional fabric holding layer 2-1 and the three-dimensional fabric leveling layer 2-2 are both formed by weaving fabrics; the height h of the three-dimensional fabric supporting layer 2-111.5-2cm, and the height h of the three-dimensional fabric leveling layer is 2-22Is 0.5-1 cm.
Specifically, the adhesive 3 is epoxy asphalt, and the thickness d of the adhesive 31The thickness is 0.1-0.2cm, and the epoxy asphalt is used as the adhesive of each layer of three-dimensional fabric, so that the composite three-dimensional fabric has stronger water-stopping performance and bonding stability.
Referring to fig. 5, specifically, the reinforcement cage 6 is rectangular, the reinforcement cage 6 includes a plurality of vertical ribs 6-1 and a plurality of horizontal ribs 6-2, and the plurality of vertical ribs 6-1 and the plurality of horizontal ribs 6-2 are arranged perpendicular to each other; the supporting strength of the foundation pit waterproof curtain supporting structure is further improved by the reinforcement cage 6.
A construction method of a multilayer bonded composite three-dimensional fabric foundation pit waterproof curtain supporting structure specifically comprises the following steps:
step one, determining a cast-in-situ bored pile and a supporting area A according to a foundation pit supporting plane layout, and arranging the size of a large sample drawing according to a design drawing;
step two, installing a drilling machine, embedding a steel casing before drilling, preventing hole collapse, hanging the prefabricated reinforcement cage, and then pouring concrete by using a guide pipe;
step three, manufacturing a single-layer three-dimensional fabric, and weaving the three-dimensional fabric support layer to enable the height h of the three-dimensional fabric support layer to be 2-111.5-2cm, then respectively weaving a three-dimensional fabric leveling layer on the upper surface and the lower surface of the three-dimensional fabric holding layer, so that the height h of the three-dimensional fabric leveling layer is 2-22Is 0.5-1 cm; finally, the single-layer three-dimensional fabric is bonded into a multi-layer composite three-dimensional fabric by utilizing the bonding property of the epoxy asphalt; thickness d of the epoxy asphalt1Is 0.1-0.2 cm;
fourthly, excavating a strip-shaped foundation trench, wherein the length L of the trench is equal to LSteel reinforcement cage=1.5-2dPile diameterW25-35 cm wide and H L deepPile lengthCleaning the mud residue of the foundation trench and ensuring the side wall of the foundation trench to be vertical;
step five, manufacturing a reinforcement cage, wherein the space L between the cast-in-place piles is taken as a unit section, the diameter of the reinforcement is 8-14mm, and the height H of the reinforcement cage isSteel reinforcement cage=LPile lengthWidth of reinforcement cage DSteel reinforcement cage8-12cm long for steel bar cageSteel reinforcement cage1.5-2d pile diameter, vertical reinforcement spacing d of reinforcement cageVertical rib12-22cm, horizontal rib spacing LHorizontal rib=15-25cm;
Hoisting the reinforcement cage to the excavated strip-shaped foundation trench, detecting the flatness of the reinforcement cage and the side wall of the foundation pit, and placing the multilayer composite three-dimensional fabric after ensuring the flatness of the reinforcement cage and the side wall of the foundation pit;
and seventhly, checking the flatness of the reinforcement cage, the multilayer composite three-dimensional fabric and the side wall of the pit, and then pouring fine sand concrete into the reinforcement cage.
Specifically, in the step (VII), the coarse aggregate of the fine sand concrete adopts crushed stone particles with the diameter of 0.5-2cm, the fine aggregate of the fine sand concrete adopts fine sand, the fineness modulus of the fine sand concrete is 1.6-2.0, the water-cement ratio is 0.3-0.45, and the mixing amount of the fly ash is 10% -30%.
Specifically, the sand rate of the fine sand used in the fine sand concrete is 20-35%.
In conclusion, the practice proves that the invention comprises the following steps: 1. the water-stopping capacity of the cast-in-situ bored pile is improved remarkably by about 30%; 2. the consumption of concrete is saved, the manufacturing cost is reduced by about 10 percent, and the environment is improved; 3. the strength of the cast-in-situ bored pile support is improved by 15-20%; 4. the stratum adaptability is strong, and the construction operability is strong.
In addition, the knitting method of the multilayer composite three-dimensional fabric related to the present embodiment is a prior art (CN203676631U), and the knitting method, the knitting steps, and the like thereof are not described in detail herein.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (8)
1. The utility model provides a compound three-dimensional fabric foundation ditch stagnant water curtain supporting construction of multilayer bonding, includes a plurality of drilling bored concrete pile (1) and locates and be used for connecting the foundation ditch connecting portion of a plurality of drilling bored concrete pile (1) between a plurality of drilling bored concrete pile (1), its characterized in that:
a plurality of the cast-in-situ bored piles (1) are uniformly arranged at intervals;
the foundation pit connecting part comprises a strip-shaped foundation trench (5) and a reinforcement cage (6) arranged in the strip-shaped foundation trench (5), and a multilayer composite three-dimensional fabric (4) is horizontally arranged in the reinforcement cage (6);
the multilayer composite three-dimensional fabric (4) is composed of a plurality of single-layer three-dimensional fabrics (2), and the single-layer three-dimensional fabrics (2) are bonded through an adhesive (3).
2. The multilayer bonded composite three-dimensional fabric foundation pit waterproof curtain supporting structure as claimed in claim 1, wherein: each single-layer three-dimensional fabric (2) comprises a three-dimensional fabric holding layer (2-1), and three-dimensional fabric leveling layers (2-2) are arranged on the upper surface and the lower surface of the three-dimensional fabric holding layer (2-1).
3. The multilayer bonded composite three-dimensional fabric foundation pit waterproof curtain supporting structure as claimed in claim 2, wherein: the three-dimensional fabric holding layer (2-1) and the three-dimensional fabric leveling layer (2-2) are both formed by weaving fabrics; the height h of the three-dimensional fabric bearing layer (2-1)11.5-2cm, the height h of the three-dimensional fabric leveling layer (2-2)2Is 0.5-1 cm.
4. The multilayer bonded composite three-dimensional fabric foundation pit waterproof curtain supporting structure as claimed in claim 1, wherein: the adhesive (3) is epoxy asphalt, and the thickness d of the adhesive (3)1Is 0.1-0.2 cm.
5. The multilayer bonded composite three-dimensional fabric foundation pit waterproof curtain supporting structure as claimed in claim 1, wherein: the steel reinforcement cage (6) is rectangular, the steel reinforcement cage (6) comprises a plurality of vertical ribs (6-1) and a plurality of horizontal ribs (6-2), and the vertical ribs (6-1) and the horizontal ribs (6-2) are perpendicular to each other.
6. The construction method of the multilayer bonded composite three-dimensional fabric foundation pit waterproof curtain supporting structure according to claim 1, characterized in that: the method specifically comprises the following steps:
step one, determining a cast-in-situ bored pile and a supporting area A according to a foundation pit supporting plane layout, and arranging the size of a large sample drawing according to a design drawing;
step two, installing a drilling machine, embedding a steel casing before drilling, preventing hole collapse, hanging the prefabricated reinforcement cage, and then pouring concrete by using a guide pipe;
step three, manufacturing a single-layer three-dimensional fabric, namely weaving a three-dimensional fabric holding layer, then weaving three-dimensional fabric leveling layers on the upper surface and the lower surface of the three-dimensional fabric holding layer respectively, and finally bonding the single-layer three-dimensional fabric into a multi-layer composite three-dimensional fabric by utilizing the bonding property of epoxy asphalt;
fourthly, excavating a strip-shaped foundation trench, wherein the length L of the trench is equal to LSteel reinforcement cage=1.5-2dPile diameterW25-35 cm wide and H L deepPile lengthCleaning the mud residue of the foundation trench and ensuring the side wall of the foundation trench to be vertical;
step five, manufacturing a reinforcement cage, wherein the space L between the cast-in-place piles is taken as a unit section, the diameter of the reinforcement is 8-14mm, and the height H of the reinforcement cage isSteel reinforcement cage=LPile lengthWidth of reinforcement cage DSteel reinforcement cage8-12cm long for steel bar cageSteel reinforcement cage1.5-2d pile diameter, vertical reinforcement spacing d of reinforcement cageVertical rib12-22cm, horizontal rib spacing LHorizontal rib=15-25cm;
Hoisting the reinforcement cage to the excavated strip-shaped foundation trench, detecting the flatness of the reinforcement cage and the side wall of the foundation pit, and placing the multilayer composite three-dimensional fabric after ensuring the flatness of the reinforcement cage and the side wall of the foundation pit;
and seventhly, checking the flatness of the reinforcement cage, the multilayer composite three-dimensional fabric and the side wall of the pit, and then pouring fine sand concrete into the reinforcement cage.
7. The construction method of the multilayer bonded composite three-dimensional fabric foundation pit waterproof curtain supporting structure according to claim 6, characterized in that: in the step (VII), the coarse aggregate of the fine sand concrete adopts crushed stone particles with the diameter of 0.5-2cm, the fine aggregate of the fine sand concrete adopts fine sand, the fineness modulus of the fine sand concrete is 1.6-2.0, the water-cement ratio is 0.3-0.45, and the mixing amount of the fly ash is 10% -30%.
8. The construction method of the multilayer bonded composite three-dimensional fabric foundation pit waterproof curtain supporting structure according to claim 7, characterized in that: the sand rate of the fine sand used in the fine sand concrete is 20-35%.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113718797A (en) * | 2021-10-07 | 2021-11-30 | 南通大学 | Double-row pile and multilayer composite three-dimensional fabric waterproof curtain integrated foundation pit supporting structure and construction method thereof |
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CN210368983U (en) * | 2019-07-11 | 2020-04-21 | 江西建工第二建筑有限责任公司 | Supporting construction that bored concrete pile and underground continuous wall combined together |
CN111074920A (en) * | 2020-01-16 | 2020-04-28 | 周同和 | Construction method for inserting anti-seepage blanket into cement-soil continuous wall to form composite curtain and composite curtain prepared by construction method |
CN111172999A (en) * | 2020-02-11 | 2020-05-19 | 中国建筑第八工程局有限公司 | Cast-in-situ bored pile reinforcing mesh fixing structure and method |
CN111549809A (en) * | 2019-02-11 | 2020-08-18 | 石少敏 | Water stopping method for sinking geotextile and lapping to form water stopping curtain by sleeve method |
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CN201762711U (en) * | 2010-08-24 | 2011-03-16 | 中交第三航务工程勘察设计院有限公司 | Foundation pit bracing structure meeting approaching construction condition |
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CN203782332U (en) * | 2014-01-28 | 2014-08-20 | 常州悦诚新材料有限公司 | Multilayer three-dimensional grid core material woven fabric |
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CN108193642A (en) * | 2018-01-03 | 2018-06-22 | 杭州水利水电勘测设计院有限公司 | A kind of revetment reinforces facility and its construction method |
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CN111074920A (en) * | 2020-01-16 | 2020-04-28 | 周同和 | Construction method for inserting anti-seepage blanket into cement-soil continuous wall to form composite curtain and composite curtain prepared by construction method |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113718797A (en) * | 2021-10-07 | 2021-11-30 | 南通大学 | Double-row pile and multilayer composite three-dimensional fabric waterproof curtain integrated foundation pit supporting structure and construction method thereof |
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Application publication date: 20210112 |