CN110984168A - Combined foundation pit supporting pile structure - Google Patents

Combined foundation pit supporting pile structure Download PDF

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Publication number
CN110984168A
CN110984168A CN201911066560.6A CN201911066560A CN110984168A CN 110984168 A CN110984168 A CN 110984168A CN 201911066560 A CN201911066560 A CN 201911066560A CN 110984168 A CN110984168 A CN 110984168A
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China
Prior art keywords
foundation pit
square rod
positioning square
locking block
anchor
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CN201911066560.6A
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CN110984168B (en
Inventor
周吉
陈晓伟
张虹波
杨胜文
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China First Metallurgical Group Co Ltd
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China First Metallurgical Group Co Ltd
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Publication of CN110984168A publication Critical patent/CN110984168A/en
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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
    • E02D17/02Foundation 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
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/74Means for anchoring structural elements or bulkheads

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Foundations (AREA)

Abstract

The invention provides a combined foundation pit support pile structure which comprises a foundation pit, a connecting plate, a first fixed anchor, a second fixed anchor, a positioning square rod, a protection plate and a locking block, wherein the connecting plate is arranged on the foundation pit; the first fixing anchor and the second fixing anchor are respectively inserted into a base body of the foundation pit; the upper end part of the second fixed anchor is connected with the positioning square rod; the positioning square rod is positioned in the sliding groove of the locking block, and the positioning square rod and the locking block are connected through a fastening bolt; a protection plate is arranged between the positioning square rod and the side wall of the foundation pit; the positioning square rod and the first fixed anchor are connected with the connecting plate. According to the invention, the protection plate is arranged to support the pit wall of the foundation pit, so that the collapse of soil at the pit wall is avoided; each component is directly hoisted through the crane, the installation and disassembly time is saved, the components can be repeatedly used, the cost is saved, the use is convenient, and the practicability is high.

Description

Combined foundation pit supporting pile structure
Technical Field
The invention belongs to the field of building of excavation edges, and particularly relates to a combined foundation pit support pile structure.
Background
The foundation pit support is used for supporting, reinforcing and protecting the side wall and peripheral environment of foundation pit to ensure the safety of underground structure construction and peripheral environment of foundation pit
Patent document CN108005089A provides a foundation ditch supporting structure, makes the foundation ditch edge more firm through setting up reinforced structure, reduces the risk that takes place to collapse. But its engineering time is long, can not repetitious usage and the great problem of the later stage demolition degree of difficulty, not only drags the construction progress slowly, has still increased construction cost, and extravagant a large amount of building material, can produce great dust when the later stage is demolishd, influences the air quality near building site, does not conform to the environmental protection requirement.
Patent document CN109403350A provides a foundation pit supporting structure and a foundation pit supporting method, and the supporting structure combining a support pile, a prestressed anchor cable and a drainage well realizes the supporting of an ultra-deep foundation pit with a higher groundwater level line, and does not need to be dismantled in the later period.
Disclosure of Invention
Aiming at the problems in the background technology, the invention provides the combined foundation pit support pile structure which is firm and stable in protection and convenient to operate.
In order to solve the technical problems, the invention adopts the following technical scheme:
a combined foundation pit supporting pile structure comprises a foundation pit, a connecting plate, a first fixed anchor, a second fixed anchor, a positioning square rod, a protection plate and a locking block; the first fixing anchor and the second fixing anchor are respectively inserted into a base body of the foundation pit; the upper end part of the second fixed anchor is connected with the positioning square rod; the positioning square rod is positioned in the sliding groove of the locking block, and the positioning square rod and the locking block are connected through a fastening bolt; a protection plate is arranged between the positioning square rod and the side wall of the foundation pit; the positioning square rod and the first fixed anchor are connected with the connecting plate.
The latch segment is U type structure, and its open end is towards the guard plate.
The locking block and the positioning square rod are respectively provided with a threaded hole; the fastening bolt fixes the locking block on the positioning square rod through the threaded hole.
The upper top and the lower top of the protection plate are respectively provided with a first connecting block and a second connecting block; the first connecting block is connected with the second connecting block in a matching mode.
A first plug hole and a second plug hole are respectively formed in two ends of the connecting plate; the first fixing anchor penetrates through the first inserting hole and then is inserted into a base body of the foundation pit; and the positioning square rod penetrates through the second inserting hole and then is fixedly connected with the second fixed anchor.
And a lifting handle is arranged on the connecting plate.
A first lifting hole is formed in the first fixed anchor; and a second lifting hole is formed in the positioning square rod.
The lower ends of the first fixed anchor and the second fixed anchor are conical.
Compared with the prior art, the invention has the beneficial effects that:
1. the protective plate can support the pit wall of the foundation pit, so that the soil on the pit wall is prevented from collapsing.
2. The protection plate can be fixed by the cooperation of the second fixing anchor, the positioning square rod and the locking block.
3. According to the invention, the protection plate can be firmly propped against the pit wall of the foundation pit by screwing the fastening bolt, so that the pit wall is more stable.
4. The first fixed anchor is arranged at the dam body of the foundation pit, and the first fixed anchor and the positioning square rod can be connected through the connecting plate, so that the stability of the positioning square rod is further enhanced.
5. The plurality of lifting holes are convenient to install and disassemble in the construction process, each component can be directly lifted by the crane, the installation and disassembly time is saved, the components can be repeatedly utilized, and the cost is saved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the protection plate of the present invention;
FIG. 3 is a schematic view of the structure of the fender and its components of the present invention.
Wherein, 1, a foundation pit; 11 — a first anchor; 12-a first lifting hole; 13 — a second anchor; 14, positioning a square rod; 15-a second lifting hole; 16-a connecting plate; 17-a first plug hole; 18-a second plug hole; 19-lifting handle; 20-protective plate; 21-a locking block; 22-a sliding groove; 23-fastening bolts; 24 — a first connecting block; 25-a second connecting block; and 26, a third lifting hole.
Detailed Description
The invention will be further described with reference to examples of embodiments shown in the drawings.
Example 1:
as shown in the attached figure 1, the invention comprises a foundation pit 10, a connecting plate 16, a first fixed anchor 11, a second fixed anchor 13, a positioning square rod 14, a protection plate 20 and a locking block 21; the first fixed anchor 11 and the second fixed anchor 13 are respectively inserted into a base body of the foundation pit 10 and used as fixing points of a foundation pit supporting pile; the upper end part of the second fixed anchor 13 is connected with a positioning square rod 14; the positioning square rod 14 is positioned in the sliding groove 22 of the locking block 21, and the positioning square rod 14 and the locking block 21 are connected through a fastening bolt 23; a protection plate 20 is arranged between the positioning square rods 14 and the side wall of the foundation pit 10, and the protection plate 20 is used for preventing the foundation pit earthwork from collapsing; the positioning square rod 14 and the first fixed anchor 11 are respectively connected with a connecting plate 16.
As shown in fig. 3, the locking piece 21 has a U-shaped structure with an open end facing the shielding plate 20. The locking block 21 and the positioning square rod 14 are respectively provided with a threaded hole; the fastening bolt 23 fixes the locking block 21 on the positioning square rod 14 through a threaded hole. Because the positioning square bars 14 are fixed, in the process of tightening the fastening bolts 23, the locking blocks 21 move towards the direction of the protection plate 20, the open ends of the locking blocks abut against the protection plate 20, so that the protection plate 20 abuts against the pit wall of the foundation pit 10, the installation of a supporting structure can be completed, and the collapse of the earth can be prevented.
As shown in fig. 2, the upper and lower tops of the protection plate 20 are respectively provided with a first connection block 24 and a second connection block 25; the first connecting block 24 is connected with the second connecting block 25 in a matching way.
A first plug hole 17 and a second plug hole 18 are respectively arranged at two ends of the connecting plate 16; the first fixing anchor 11 penetrates through the first inserting hole 17 and then is inserted into the base body of the foundation pit 10; the positioning square rod 14 penetrates through the second inserting hole 18 and then is fixedly connected with the second fixed anchor 13.
A lifting handle 19 is arranged on the connecting plate 16; a first lifting hole 12 is formed on the first fixed anchor 11; the positioning square rod 14 is provided with a second lifting hole 15. The lifting handle 19, the first lifting hole 12 and the second lifting hole 15 can be conveniently lifted by a crane in the construction or disassembly process, so that the working efficiency is improved.
Example 2:
the first fixed anchor 11 and the second fixed anchor 13 are respectively inserted into a base body of the foundation pit 10 and used as fixing points of a foundation pit supporting pile, and the lower ends of the first fixed anchor 11 and the second fixed anchor 13 are conical, so that the first fixed anchor 11 and the second fixed anchor 13 are easier to insert into the foundation pit 10; the first fixing anchor 11 is located at the dam body of the foundation pit 10, and the second fixing anchor 13 is located at the pit bottom of the foundation pit 10.
The upper end part of the second fixed anchor 13 is connected with a positioning square rod 14; the positioning square rod 14 is positioned in the sliding groove 22 of the locking block 21, and the positioning square rod 14 and the locking block 21 are connected through a fastening bolt 23; a protection plate 20 is arranged between the positioning square rods 14 and the side wall of the foundation pit 10, and the protection plate 20 is used for preventing the foundation pit earthwork from collapsing; the positioning square rod 14 and the first fixed anchor 11 are respectively connected with a connecting plate 16.
The locking block 21 is a U-shaped structure, a sliding groove 22 is formed in the U-shaped structure, the opening end of the sliding groove faces the protection plate 20, and the locking block 21 can move towards the protection plate 20 along the sliding groove 22. The locking block 21 and the positioning square rod 14 are respectively provided with a threaded hole, the threaded hole of the locking block 21 and the threaded hole of the positioning square rod 14 are on the same straight line, and the threaded hole of the locking block 21 is a through threaded hole; the fastening bolt 23 fixes the locking block 21 on the positioning square rod 14 through a through threaded hole of the locking block 21. Because the positioning square bars 14 are fixed, in the process of tightening the fastening bolts 23, the locking blocks 21 move towards the direction of the protection plate 20, the open ends of the locking blocks abut against the protection plate 20, so that the protection plate 20 abuts against the pit wall of the foundation pit 10, the installation of a supporting structure can be completed, and the collapse of the earth can be prevented.
The upper and lower tops of the protection plate 20 are respectively provided with a first connecting block 24 and a second connecting block 25; when the protection plates 20 are connected in pairs, the first connection block 24 of one protection plate 20 is connected with the second connection block 25 of the adjacent protection plate 20 in a matching manner to form a complete protection plate. In the construction process, the plurality of protection plates 20 can be spliced into a whole according to the height of the foundation pit 10, so that the foundation pit wall is completely covered.
The connecting plate 16 is positioned on the surface of the dam body of the foundation pit 10, and two ends of the connecting plate are respectively provided with a first inserting hole 17 and a second inserting hole 18; the first fixing anchor 11 penetrates through the first inserting hole 17 and then is inserted into a base body of the foundation pit 10, and the upper part of the first fixing anchor 11 is exposed outside the foundation pit 10; the positioning square rod 14 penetrates through the second inserting hole 18 and then is fixedly connected with the second fixed anchor 13.
A lifting handle 19 is arranged on the connecting plate 16; a first lifting hole 12 is formed on the first fixed anchor 11; the positioning square rod 14 is provided with a second lifting hole 15. The lifting handle 19, the first lifting hole 12 and the second lifting hole 15 can be conveniently lifted by a crane in the construction or disassembly process, so that the working efficiency is improved.
The installation and construction process comprises the following steps:
1. firstly, inserting a second fixed anchor 13 into the bottom of a foundation pit 10, fixing a positioning square rod 14, and fixing the positioning square rod 14 on the second fixed anchor 13; then, the locking block 21 is sleeved outside the positioning square rod 14, so that the protection plate 20 faces the pit wall of the foundation pit 10 in the locking process of the locking block 21;
2. sleeving a second inserting hole 18 of the connecting plate 16 on the outer surface of the upper part of the positioning square rod 14, and sleeving a first inserting hole 17 of the connecting plate on the outer surface of the upper part of the first fixed anchor 11, so that the lower surface of the connecting plate 16 is in contact with a dam body of the foundation pit 10;
3. inserting the first fixing anchor 11 into the first inserting hole 17, inserting the first fixing anchor 11 into the foundation pit 10 after penetrating through the first inserting hole 17, and splicing the first fixing anchor 11, the connecting plate 16, the positioning square rod 14 and the second fixing anchor 13 together;
4. and then tightening the fastening bolts 23, and pushing the locking blocks 21 towards the wall of the foundation pit 10 in the tightening process of the fastening bolts 23, so that the locking blocks 21 drive the protection plate 20 to move towards the wall of the foundation pit 10, and the protection plate 20 can abut against the wall of the foundation pit 10 to complete the installation of the supporting structure.
The protective scope of the invention is not limited to the embodiments described above, and it is apparent that various modifications and variations can be made to the invention by those skilled in the art without departing from the scope and spirit of the invention. It is intended that the invention be construed as including all such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (8)

1. The utility model provides a modular foundation ditch fender pile structure, includes foundation ditch (10), its characterized in that: the device also comprises a connecting plate (16), a first fixed anchor (11), a second fixed anchor (13), a positioning square rod (14), a protection plate (20) and a locking block (21); the first fixing anchor (11) and the second fixing anchor (13) are respectively inserted into a matrix of the foundation pit (10); the upper end part of the second fixed anchor (13) is connected with a positioning square rod (14); the positioning square rod (14) is positioned in a sliding groove (22) of the locking block (21), and the positioning square rod (14) and the locking block (21) are connected through a fastening bolt (23); a protection plate (20) is arranged between the positioning square rod (14) and the side wall of the foundation pit (10); the positioning square rod (14) and the first fixed anchor (11) are connected with the connecting plate (16).
2. The combined foundation pit support pile structure according to claim 1, wherein: the locking block (21) is of a U-shaped structure, and the opening end of the locking block faces the protection plate (20).
3. The combined foundation pit support pile structure according to claim 2, wherein: the locking block (21) and the positioning square rod (14) are respectively provided with a threaded hole; the fastening bolt (23) fixes the locking block (21) on the positioning square rod (14) through a threaded hole.
4. The combined foundation pit support pile structure according to claim 1, wherein: the upper top and the lower top of the protection plate (20) are respectively provided with a first connecting block (24) and a second connecting block (25); the first connecting block (24) is connected with the second connecting block (25) in a matching mode.
5. The combined foundation pit support pile structure according to claim 1, wherein: a first plug hole (17) and a second plug hole (18) are respectively formed in two ends of the connecting plate (16); the first fixing anchor (11) penetrates through the first inserting hole (17) and then is inserted into a base body of the foundation pit (10); and the positioning square rod (14) penetrates through the second inserting hole (18) and then is fixedly connected with the second fixed anchor (13).
6. The combined foundation pit supporting pile structure according to any one of claims 5, wherein: and a lifting handle (19) is arranged on the connecting plate (16).
7. The combined foundation pit supporting pile structure according to any one of claims 1 to 6, wherein: a first lifting hole (12) is formed in the first fixed anchor (11); and a second lifting hole (15) is formed in the positioning square rod (14).
8. The combined foundation pit supporting pile structure according to any one of claims 1 to 6, wherein: the lower ends of the first fixing anchor (11) and the second fixing anchor (13) are conical.
CN201911066560.6A 2019-11-04 2019-11-04 Combined foundation pit supporting pile structure Active CN110984168B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201911066560.6A CN110984168B (en) 2019-11-04 2019-11-04 Combined foundation pit supporting pile structure

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CN110984168B CN110984168B (en) 2022-03-22

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111576441A (en) * 2020-05-26 2020-08-25 福建江夏学院 Deep foundation pit supporting structure with strong impact resistance
CN114561958A (en) * 2022-03-16 2022-05-31 海达建设集团有限公司 Fabricated pile for foundation pit enclosure and construction method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3187659U (en) * 2013-06-25 2013-12-12 日本スピードショア株式会社 Corner wing retaining device
CN206495217U (en) * 2017-02-18 2017-09-15 北京东地岩土工程有限公司 A kind of foundation ditch soil-baffling structure
CN108894234A (en) * 2018-09-13 2018-11-27 王叔珍 A kind of polygon foundation pit supporting construction and construction method
CN208517945U (en) * 2018-06-12 2019-02-19 漳州聚能量信息技术有限公司 A kind of deep basal pit ruggedized construction
CN209429135U (en) * 2018-12-20 2019-09-24 史保田 A kind of urban construction road surface foundation pit safeguard structure

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3187659U (en) * 2013-06-25 2013-12-12 日本スピードショア株式会社 Corner wing retaining device
CN206495217U (en) * 2017-02-18 2017-09-15 北京东地岩土工程有限公司 A kind of foundation ditch soil-baffling structure
CN208517945U (en) * 2018-06-12 2019-02-19 漳州聚能量信息技术有限公司 A kind of deep basal pit ruggedized construction
CN108894234A (en) * 2018-09-13 2018-11-27 王叔珍 A kind of polygon foundation pit supporting construction and construction method
CN209429135U (en) * 2018-12-20 2019-09-24 史保田 A kind of urban construction road surface foundation pit safeguard structure

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111576441A (en) * 2020-05-26 2020-08-25 福建江夏学院 Deep foundation pit supporting structure with strong impact resistance
CN111576441B (en) * 2020-05-26 2021-09-28 福建江夏学院 Deep foundation pit supporting structure with strong impact resistance
CN114561958A (en) * 2022-03-16 2022-05-31 海达建设集团有限公司 Fabricated pile for foundation pit enclosure and construction method thereof
CN114561958B (en) * 2022-03-16 2024-01-09 海达建设集团有限公司 Assembled pile for foundation pit support and construction method thereof

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