CN113463661B - Slope fixing method for construction deep foundation pit support - Google Patents

Slope fixing method for construction deep foundation pit support Download PDF

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Publication number
CN113463661B
CN113463661B CN202110703837.2A CN202110703837A CN113463661B CN 113463661 B CN113463661 B CN 113463661B CN 202110703837 A CN202110703837 A CN 202110703837A CN 113463661 B CN113463661 B CN 113463661B
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plate
concrete pile
supporting
plates
support
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CN113463661A (en
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栗亮
张聪
吴丽颖
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China Third Metallurgical Group Co Ltd
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China Third Metallurgical Group Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/20Securing of slopes or inclines
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D15/00Handling building or like materials for hydraulic engineering or foundations
    • E02D15/02Handling of bulk concrete specially for foundation or hydraulic engineering purposes
    • E02D15/04Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/02Foundation pits
    • E02D17/04Bordering surfacing or stiffening the sides of foundation pits
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/20Securing of slopes or inclines
    • E02D17/207Securing of slopes or inclines with means incorporating sheet piles or piles
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/02Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22Piles
    • E02D5/34Concrete or concrete-like piles cast in position ; Apparatus for making same
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2300/00Materials
    • E02D2300/0004Synthetics
    • E02D2300/0018Cement used as binder
    • E02D2300/002Concrete

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Foundations (AREA)
  • Piles And Underground Anchors (AREA)

Abstract

The invention discloses a slope fixing method for constructing a deep foundation pit support, which comprises a concrete pile, wherein support guard plates are attached to two sides of the concrete pile, fastening plates are attached to the upper end and the lower end of the outer side of each support guard plate, and threaded rods are rotatably mounted on the outer side of each fastening plate. According to the invention, the support plates are additionally arranged on the two sides of the concrete pile, the fastening plate is driven by the threaded rod to move, so that the support plates can be attached to the surface of the concrete pile, the support blocks in the middle of the support plates can assist in supporting the support plates tightly, the support strength of the support plates is improved on a certain basis, the reinforcing plate and the waterproof plate are additionally arranged on the top of the concrete pile, so that the top can be supported and reinforced, meanwhile, the bottom of the second support column is inserted into the concrete pile, and the first support column and the drill rod are inserted into the concrete pile from the top of the top plate, so that the structural strength in the concrete pile can be effectively enhanced.

Description

Slope fixing method for construction deep foundation pit support
Technical Field
The invention relates to the technical field of foundation pit support, in particular to a slope fixing method for constructing a deep foundation pit support.
Background
The construction accident of the deep foundation pit engineering is frequent, and once the accident occurs, the group death and group injury are easily caused, the consequence is quite serious, the reason is the most important, various safety pre-control measures are not in place in the construction scheme and the construction process, according to the requirements of relevant national regulations, the deep foundation pit engineering construction must be compiled and managed carefully, the technical requirements of the deep foundation pit engineering and the inspection key points of the construction site are determined, the deep foundation pit support refers to the measures of supporting, reinforcing and protecting the side wall of the deep foundation pit and the surrounding environment in order to ensure the safety of the underground structure construction and the surrounding environment of the foundation pit, the existing deep foundation pit support is simple in integral structure, the displacement is easy to occur during long-time support, the structural stability is poor, and potential safety hazards exist during the side slope support and reinforcement.
Disclosure of Invention
The invention aims to provide a side slope fixing method for constructing a deep foundation pit support, which has the advantage of stable structure and solves the problems that the whole structure is single, the displacement is easy to occur during long-time support, the structural stability is poor, and potential safety hazards exist during side slope support reinforcement.
In order to achieve the purpose, the invention provides the following technical scheme: a side slope fixing structure for supporting a construction deep foundation pit comprises a concrete pile, wherein supporting plates are attached to two sides of the concrete pile, fastening plates are attached to the upper end and the lower end of the outer side of each supporting plate, a threaded rod is rotatably mounted on the outer side of each fastening plate, a vertical plate is sleeved on the surface of the left end of the threaded rod, a second limiting rod is fixedly mounted at the bottom of the outer side of the lower fastening plate, the other end of the second limiting rod extends to the outer side of each vertical plate, a threaded block is fixedly mounted on the outer side of each vertical plate corresponding to the position where the threaded rod penetrates through the threaded rod, one end of the threaded rod is located inside the threaded block and connected in a threaded manner, a supporting block is arranged in the middle of the outer side of each supporting plate, a positioning rod is inserted into the outer side of each supporting block, one end, far away from the supporting block, of each positioning rod penetrates through the outer side of the corresponding vertical plate, a top plate is arranged at the top of the concrete pile, the center of the top plate is provided with a first supporting column in a penetrating manner, the bottom of the first supporting column is embedded into the concrete pile, a drill rod is fixedly installed inside the concrete pile, a reinforcing plate is attached to the top of the concrete pile, a waterproof plate is fixedly installed at the bottom of the reinforcing plate, second supporting columns are fixedly installed on two sides of the bottom of the waterproof plate, the lower end of each second supporting column is embedded into the concrete pile, the middle of the reinforcing plate is sleeved on the surface of the first supporting column, a sliding groove is formed in the bottom of the top plate, a sliding block is connected to the inside of the sliding groove in a sliding manner, a first limiting rod is fixedly installed at the bottom of the sliding block, one end, away from the sliding block, of the first limiting rod is fixedly installed on the surface of the fastening plate, limiting plates are arranged on the front side and the rear side of the top plate, a moving groove is formed in the top plate and below the limiting plates, the upper end of the vertical plate extends to the inside of the moving groove and is fixedly installed at the bottom of the limiting plate.
Preferably, the bottom laminating of concrete pile is provided with the bottom plate, the bottom of riser is located the inside and sliding connection of bottom plate.
Preferably, a tapered block is fixedly installed on one side, close to the supporting plate, of the supporting block, and one end of the tapered block penetrates through the supporting plate and is embedded into the concrete pile.
Preferably, a method for fixing a side slope for constructing a deep foundation pit support according to any one of claims 1 to 4 comprises the following steps:
A. firstly, placing a bottom plate on the ground, clamping the bottoms of two vertical plates into the bottom plate and supporting the bottom plate, then pouring concrete between the two vertical plates, and standing for a period of time to solidify and form the concrete;
B. attaching the two supporting plates to the side surfaces of the concrete pile, attaching the reinforcing plate and the waterproof plate to the top of the concrete pile, and fixing the reinforcing plate through the fixing pins;
C. then, one end of the first limiting rod is connected with the fastening plate, the moving groove in the top plate is clamped at the top of the vertical plate, and the bottom of the limiting plate is connected with the top of the vertical plate, so that the top plate is transversely stabilized;
D. after the outer frame structure is installed, the lower end of the first support column penetrates through the top plate and the reinforcing plate and is inserted into the concrete pile, and the drill rods on the two sides support the concrete pile, so that the strength and the stability of the concrete pile are enhanced;
E. finally, rotating the threaded rod, pushing the fastening plate by using the threaded rod, attaching the fastening plate to the surface of the supporting plate and tightly abutting the supporting plate; and finally, the positioning rod penetrates through the vertical plate, and the supporting block is clamped on the surface of the supporting plate to support the supporting plate, so that the integral support and reinforcement of the outer part of the concrete pile are completed.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the support plates are additionally arranged on the two sides of the concrete pile, the fastening plate is driven by the threaded rod to move, so that the support plates can be attached to the surface of the concrete pile, the support blocks in the middle of the support plates can assist in supporting the support plates tightly, the support strength of the support plates is improved on a certain basis, the reinforcing plate and the waterproof plate are additionally arranged on the top of the concrete pile, so that the top can be supported and reinforced, meanwhile, the bottom of the second support column is inserted into the concrete pile, and the first support column and the drill rod are inserted into the concrete pile from the top of the top plate, so that the structural strength in the concrete pile can be effectively enhanced.
2. The first limiting rod and the second limiting rod can limit the moving direction of the two fastening plates, the rotation of the fastening plates along with the threaded rods is avoided during moving, the concrete pile can be quickly separated and disassembled while the top of the concrete pile is reinforced through the waterproof plate, the vertical plate can be integrally movably adjusted between the top plate and the bottom plate, and the position of the vertical plate can be adjusted according to the use requirement during reinforcing the concrete pile.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a bottom view of the top plate construction of the present invention;
FIG. 3 is a front view of the support block structure of the present invention;
fig. 4 is a front view of the reinforcing plate structure of the present invention.
In the figure: 1. concrete piles; 2. supporting a guard plate; 3. a fastening plate; 4. a threaded rod; 5. a vertical plate; 6. a thread block; 7. a supporting block; 8. positioning a rod; 9. a top plate; 10. a limiting plate; 11. a moving groove; 12. a first support column; 13. a drill rod; 14. a reinforcing plate; 15. a waterproof sheet; 16. a second support column; 17. a first limit rod; 18. a second limiting rod; 19. a base plate; 20. a conical block; 21. a chute; 22. a slide block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description herein, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings to facilitate the description of the patent and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the patent. In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1-4, a slope fixing structure for supporting a deep foundation pit in construction comprises a concrete pile 1, a reinforcing plate 14 is attached to the top of the concrete pile 1, the middle of the reinforcing plate 14 is sleeved on the surface of a first supporting column 12, a bottom plate 19 is attached to the bottom of the concrete pile 1, the bottom of a vertical plate 5 is positioned inside the bottom plate 19 and is connected in a sliding manner, a waterproof plate 15 is fixedly installed at the bottom of the reinforcing plate 14, second supporting columns 16 are fixedly installed on two sides of the bottom of the waterproof plate 15, the lower ends of the second supporting columns 16 are embedded into the concrete pile 1, supporting plates 2 are attached to two sides of the concrete pile 1, fastening plates 3 are attached to the upper and lower ends of the outer side of each supporting plate 2, a second limiting rod 18 is fixedly installed at the bottom of the outer side of the lower fastening plate 3, the other end of the second limiting rod 18 extends to the outer side of the vertical plate 5, a threaded rod 4 is rotatably installed on the outer side of the fastening plate 3, a vertical plate 5 is sleeved on the surface of the left end of the threaded rod 4, a threaded block 6 is fixedly installed on the outer side of the vertical plate 5 and corresponds to the penetrating position of the threaded rod 4, one end of the threaded rod 4 is located inside the threaded block 6 and is in threaded connection, a supporting block 7 is arranged in the middle of the outer side of the supporting plate 2, a conical block 20 is fixedly installed on one side, close to the supporting plate 2, of the supporting block 7, one end of the conical block 20 penetrates through the supporting plate 2 and is embedded into the concrete pile 1, a positioning rod 8 is inserted into the outer side of the supporting block 7, one end, far away from the supporting block 7, of the positioning rod 8 penetrates and extends to the outer side of the vertical plate 5, a top plate 9 is arranged at the top of the concrete pile 1, a first supporting column 12 is arranged at the center of the top plate 9 in a penetrating manner, a drill rod 13 is fixedly installed at the bottom of the first supporting column 12 and is embedded into the concrete pile 1, a chute 21 is formed at the bottom of the top plate 9, the inside sliding connection of spout 21 has slider 22, the bottom fixed mounting of slider 22 has first gag lever post 17, first gag lever post 17 keeps away from the one end of slider 22 and the fixed surface installation of mounting plate 3, can carry on spacingly to the moving direction of two mounting plates 3 through first gag lever post 17 and second gag lever post 18, avoid taking place the rotation along threaded rod 4 when removing, can also be quick when the top is consolidated through waterproof board 15 and separate the dismantlement to concrete pile 1, and riser 5 is whole between roof 9 and bottom plate 19 movable regulation, can carry out position adjustment according to the use needs when consolidating concrete pile 1, the front and back both sides at roof 9 top all are provided with limiting plate 10, the moving groove 11 has been seted up to the inside of roof 9 and the below that corresponds limiting plate 10, the inside of riser 5 upper end extension to moving groove 11 and the bottom fixed mounting of limiting plate 10, through increasing a backplate 2 in the both sides of concrete pile 1, and drive fastening plate 3 through the threaded rod 4 and remove and can laminate backplate 2 in the surface of concrete pile 1 and the inside reinforcing plate 2 support the supporting post and the supporting post can carry out the effectual intensity of supporting post from the top of the supporting post and the supporting post insert the supporting plate 12, the supporting post and the supporting post is carried out the effectual supporting strength of the supporting post from the top of the supporting plate 12, the supporting post that the supporting post is improved the inside of the supporting post that the supporting post is carried out the supporting post 12 simultaneously, the supporting post 12, the supporting post that the supporting post is carried out the supporting post on the supporting post.
A method for fixing a side slope of a deep foundation pit support according to any one of claims 1 to 4, comprising the steps of:
A. firstly, placing a bottom plate 19 on the ground, clamping the bottoms of two vertical plates 5 into the bottom plate 19 and supporting the bottom plate, then pouring concrete between the two vertical plates 5, and standing for a period of time to solidify and form the concrete;
B. attaching the two supporting and protecting plates 2 to the side surfaces of the concrete pile 1, attaching the reinforcing plate 14 and the waterproof plate 15 to the top of the concrete pile 1, and fixing the reinforcing plate 14 through fixing pins;
C. then, one end of the first limiting rod 17 is connected with the fastening plate 3, the moving groove 11 in the top plate 9 is clamped at the top of the vertical plate 5, and the bottom of the limiting plate 10 is connected with the top of the vertical plate 5, so that the top plate 9 is transversely stabilized;
D. after the outer frame structure is installed, the lower end of the first support column 12 penetrates through the top plate 9 and the reinforcing plate 14 and is inserted into the concrete pile 1, and the drill rods 13 on the two sides support the concrete pile 1, so that the strength and the stability of the concrete pile 1 are enhanced;
E. finally, rotating the threaded rod 4, pushing the fastening plate 3 by using the threaded rod 4, attaching the fastening plate 3 to the surface of the supporting plate 2 and tightly pressing the supporting plate; and finally, the positioning rod 8 penetrates through the vertical plate 5, and the supporting block 7 is clamped on the surface of the supporting plate 2 to complete the supporting of the supporting plate 2, namely the integral supporting and reinforcing of the outer part of the concrete pile 1.
When the concrete pouring device is used, firstly, the bottom plate 19 is placed on the ground, the bottoms of the two vertical plates 5 are clamped into the bottom plate 19 and supported, then concrete is poured between the two vertical plates 5, and standing is carried out for a period of time to enable the concrete to be solidified and formed; attaching the two supporting and protecting plates 2 to the side surfaces of the concrete pile 1, attaching the reinforcing plate 14 and the waterproof plate 15 to the top of the concrete pile 1, and fixing the reinforcing plate 14 through a fixing pin; then, one end of the first limiting rod 17 is connected with the fastening plate 3, the moving groove 11 in the top plate 9 is clamped at the top of the vertical plate 5, and the bottom of the limiting plate 10 is connected with the top of the vertical plate 5, so that the top plate 9 is transversely stabilized; after the outer frame structure is installed, the lower end of the first support column 12 penetrates through the top plate 9 and the reinforcing plate 14 and is inserted into the concrete pile 1, and the drill rods 13 on the two sides support the concrete pile 1, so that the strength and the stability of the concrete pile 1 are enhanced; finally, the threaded rod 4 is rotated, the fastening plate 3 is pushed by the threaded rod 4, and the fastening plate 3 is attached to the surface of the supporting plate 2 and is abutted against the surface; and finally, the positioning rod 8 penetrates through the vertical plate 5, and the supporting block 7 is clamped on the surface of the supporting plate 2 to complete the supporting of the supporting plate 2, namely the integral supporting and reinforcing of the outer part of the concrete pile 1.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a side slope fixed knot that construction deep basal pit was strutted constructs, includes concrete pile (1), its characterized in that: the concrete pile is characterized in that supporting plates (2) are attached to two sides of the concrete pile (1), fastening plates (3) are attached to the upper ends and the lower ends of the outer sides of the supporting plates (2), threaded rods (4) are rotatably mounted on the outer sides of the fastening plates (3), vertical plates (5) are sleeved on the surfaces of the left ends of the threaded rods (4), second limiting rods (18) are fixedly mounted at the bottoms of the outer sides of the fastening plates (3) below, the other ends of the second limiting rods (18) extend to the outer sides of the vertical plates (5), threaded blocks (6) are fixedly mounted on the outer sides of the vertical plates (5) corresponding to the positions where the threaded rods (4) penetrate through, one ends of the threaded rods (4) are located inside the threaded blocks (6) and are in threaded connection, supporting blocks (7) are arranged in the middle of the outer sides of the supporting plates (2), positioning rods (8) are inserted into the inner sides of the outer sides of the supporting blocks (7), one ends, far away from the supporting blocks (7), of the positioning rods (8), extend to the outer sides of the vertical plates (5), a top plate (9) is provided with a top plate (12), a first supporting column (12) is embedded into the top of the concrete pile (1), the utility model discloses a concrete pile, including reinforcing plate (14), the bottom fixed mounting of reinforcing plate (14) has waterproof board (15), the equal fixed mounting in both sides of waterproof board (15) bottom has second support column (16), the lower extreme of second support column (16) imbeds to the inside of concrete pile (1), the surface at first support column (12) is cup jointed at the middle part of reinforcing plate (14), spout (21) have been seted up to the bottom of roof (9), the inside sliding connection of spout (21) has slider (22), the bottom fixed mounting of slider (22) has first gag lever post (17), the fixed surface installation of one end and mounting plate (3) of slider (22) is kept away from to first gag lever post (17), both sides all are provided with limiting plate (10) around roof (9) top, shifting chute (11) have been seted up to the inside of limiting plate (9) and the below that corresponds limiting plate (10), the upper end of riser (5) extends to the inside of shifting chute (11) and the bottom fixed mounting of limiting plate (10).
2. The side slope fixing structure for construction of a deep foundation pit support according to claim 1, wherein: the bottom laminating of concrete pile (1) is provided with bottom plate (19), the bottom of riser (5) is located the inside and sliding connection of bottom plate (19).
3. The side slope fixing structure for construction of a deep foundation pit support according to claim 1, wherein: one side of the supporting block (7) close to the supporting plate (2) is fixedly provided with a conical block (20), and one end of the conical block (20) penetrates through the supporting plate (2) and is embedded into the concrete pile (1).
4. A construction method of the side slope fixing structure of the deep basal pit support according to any one of claims 1 to 3, wherein: the fixing method comprises the following steps:
A. firstly, placing a bottom plate (19) on the ground, clamping the bottoms of two vertical plates (5) into the bottom plate (19) and supporting the bottom plate, then pouring concrete between the two vertical plates (5), and standing for a period of time to solidify and form the concrete;
B. attaching the two supporting and protecting plates (2) to the side surfaces of the concrete pile (1), attaching the reinforcing plate (14) and the waterproof plate (15) to the top of the concrete pile (1), and fixing the reinforcing plate (14) through a fixing pin;
C. then, one end of the first limiting rod (17) is connected with the fastening plate (3), the moving groove (11) in the top plate (9) is clamped at the top of the vertical plate (5), and the bottom of the limiting plate (10) is connected with the top of the vertical plate (5) to enable the top plate (9) to be transversely stable;
D. after the outer frame structure is installed, the lower end of the first support column (12) penetrates through the top plate (9) and the reinforcing plate (14) and is inserted into the concrete pile (1), and the drill rods (13) on the two sides are supported in the concrete pile (1) at the moment, so that the strength and the stability of the concrete pile (1) are enhanced;
E. finally, the threaded rod (4) is rotated, the fastening plate (3) is pushed by the threaded rod (4), and the fastening plate (3) is attached to the surface of the supporting plate (2) and is abutted tightly; and finally, the positioning rod (8) penetrates through the vertical plate (5), and the supporting block (7) is clamped on the surface of the supporting plate (2) to support the supporting plate (2), namely, the integral support and reinforcement of the outer part of the concrete pile (1) are completed.
CN202110703837.2A 2021-06-24 2021-06-24 Slope fixing method for construction deep foundation pit support Active CN113463661B (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110034255A (en) * 2009-09-28 2011-04-05 이현숙 The retaining wall using circular phc pile with catch pit which is had and construction method using thereby
CN107419729A (en) * 2017-05-18 2017-12-01 中国建筑第八工程局有限公司 A kind of foundation pit stope support device and method
CN211172010U (en) * 2019-12-06 2020-08-04 河北万方中天科技有限公司 Deep foundation pit supporting device
CN211849488U (en) * 2020-03-17 2020-11-03 云南博超建筑设计有限公司 A supporting construction for weak soil foundation ditch

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN209923937U (en) * 2019-03-21 2020-01-10 广东宏展建设工程有限公司 Deep foundation pit supporting device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110034255A (en) * 2009-09-28 2011-04-05 이현숙 The retaining wall using circular phc pile with catch pit which is had and construction method using thereby
CN107419729A (en) * 2017-05-18 2017-12-01 中国建筑第八工程局有限公司 A kind of foundation pit stope support device and method
CN211172010U (en) * 2019-12-06 2020-08-04 河北万方中天科技有限公司 Deep foundation pit supporting device
CN211849488U (en) * 2020-03-17 2020-11-03 云南博超建筑设计有限公司 A supporting construction for weak soil foundation ditch

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