CN109113078B - Foundation pit supporting method based on supporting device for foundation pit engineering - Google Patents
Foundation pit supporting method based on supporting device for foundation pit engineering Download PDFInfo
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- CN109113078B CN109113078B CN201811211841.1A CN201811211841A CN109113078B CN 109113078 B CN109113078 B CN 109113078B CN 201811211841 A CN201811211841 A CN 201811211841A CN 109113078 B CN109113078 B CN 109113078B
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- guard plate
- plate
- guard
- shaped steel
- foundation pit
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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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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a supporting device and a supporting method for foundation pit engineering, and relates to the technical field of building construction. The invention comprises a first guard plate and a second guard plate; prisms are uniformly distributed on one surface of the first protection plate and the second protection plate; the guard plate is provided with a through hole; the guard board is provided with a water outlet; one end of the water outlet is fixedly connected with a water discharge pipe; the peripheral side surface of the drain pipe is provided with drain holes; studs are uniformly distributed on the top of the guard plate; bolt grooves are uniformly distributed at the top of the guard plate. The invention has the advantages of supporting, reinforcing and protecting the side wall of the foundation pit and the surrounding environment by the action of the first guard plate and the second guard plate; the prism has the advantages that the friction force between the guard plate and the soil is increased, so that the guard plate is fixed more firmly; the drainage pipe has the advantage of draining the underground water contained in the soil through the functions of the drainage port, the drainage pipe and the drainage hole.
Description
Technical Field
The invention belongs to the technical field of building construction, and particularly relates to a foundation pit supporting method based on a supporting device for foundation pit engineering.
Background
The foundation pit support is a retaining, reinforcing and protecting measure adopted for the side wall of the foundation pit and the surrounding environment in order to ensure the safety of the construction of an underground structure and the surrounding environment of the foundation pit.
Although the existing foundation pit or the steel sheet pile arranged at the foundation pit slope is low in construction cost, the steel sheet pile has poor stress performance and is not suitable for protecting a high slope or a deep foundation pit.
Disclosure of Invention
The invention aims to provide a supporting device for foundation pit engineering, which solves the problems of low construction speed, poor stress capability and unsuitability for protecting high side slopes or deep foundation pits in the prior art through the action of a first protection plate and a second protection plate.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a supporting device for foundation pit engineering, which comprises a first protection plate and a second protection plate; the first guard plate and the second guard plate are of a double-layer guard plate structure formed by two triangular plates which correspond to each other up and down; the gap between the double-layer guard plates is provided with inverted H-shaped steel at the connecting part of the first guard plate and the second guard plate, the gap between the double-layer guard plates at two sides of the inverted H-shaped steel is provided with a concrete plate, and the concrete plate is poured and inserted into grooves at two ends of the H-shaped steel.
A first through hole is formed in one surface of the first guard plate and used for inserting a reinforcing steel bar; a first drainage port is formed in one surface of the first protection plate; one end of the first drainage port is fixedly connected with a first drainage pipe; the peripheral side surface of the first drainage pipe is provided with a first drainage hole for draining water in soil; one opposite side surface of the first guard plate is fixedly provided with a convex strip which is used for being clamped with the second guard plate; first studs are uniformly distributed on the top of the first guard plate; first bolt grooves are uniformly formed in the top of the first guard plate and used for connecting the upper guard plate and the lower guard plate; a second through hole is formed in one surface of the second guard plate and used for inserting the reinforcing steel bar; a second water outlet is formed in one surface of the second guard plate; one end of the second water outlet is fixedly connected with a second water discharge pipe; the peripheral side surface of the second drain pipe is provided with a second drain hole for draining water in soil; a groove is formed in one opposite side face of the second guard plate; second studs are uniformly distributed on the top of the second guard plate; and second bolt grooves are uniformly distributed at the top of the second guard plate and used for connecting the upper guard plate and the lower guard plate.
Furthermore, the first guard plate and the second guard plate are of triangular structures, and the triangles have stability.
Furthermore, a prism is uniformly distributed on one surface of the first protection plate and one surface of the second protection plate, and the prism is used for increasing the friction force between the protection plates and the soil.
Furthermore, the first water outlet, the second water outlet, the first through hole and the second through hole form an upward opening with a horizontal plane at 135 degrees and are used for fixing soil.
Further, the first bolt pin and the second bolt groove are sleeved; the second bolt nail is sleeved with the first bolt groove and is used for connecting the upper guard plate and the lower guard plate and being freely combined.
The invention has the following beneficial effects:
1. the invention has the advantages of supporting, reinforcing and protecting the side wall of the foundation pit and the surrounding environment by the action of the first guard plate and the second guard plate; through prismatic effect, have the fixed more firm advantage of frictional force messenger backplate between increase backplate and the soil, through the effect of sand grip and recess, have the advantage of fixing first backplate and second backplate joint.
2. The invention has the advantage of draining the underground water contained in the soil by the functions of the water outlet, the water drainage pipe and the water drainage hole so as to prevent soil erosion and landslide caused by water loss due to excessive water in the soil; the first water outlet, the second water outlet, the first through hole and the second through hole form an upward opening of 135 degrees with the horizontal plane, and the water-saving device has the advantages of fixing soil upwards and preventing downward sliding.
3. The invention has the advantages that the reinforcing steel bars are inserted into the soil through the through holes under the action of the through holes, so that the soil is firmer.
4. The invention has the advantages that the upper guard plate and the lower guard plate are connected and fixed into a whole through the action of the stud and the keyway, and the different shapes can be conveniently and freely combined.
5. The first guard plate and the second guard plate are of a double-layer guard plate structure formed by two triangular plates; the gap between the double-layer guard plates is provided with inverted H-shaped steel at the connecting part of the first guard plate and the second guard plate, the gap between the double-layer guard plates at two sides of the H-shaped steel is provided with a concrete plate, and the concrete plate is poured and inserted into grooves at two ends of the H-shaped steel. Through this kind of setting, the structure of triangle-shaped is convenient for the arrangement and the equipment of multiple topography and position, and double-deck plate structure can consolidate and strut the effect, sets up H shaped steel between double-deck board and can well support to connecing the position, and at H shaped steel both sides pouring grafting concrete slab, can increase double-deck overall structure's weight and steadiness, and then under the prerequisite that reaches firm requirement, the corresponding steel sheet thickness that can reduce, and then a large amount of cost-sparingly.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a supporting device for foundation pit engineering according to the present invention.
Fig. 2 is a rear view of the structure of fig. 1.
Fig. 3 is a schematic structural view of the second shield.
Fig. 4 is a structural bottom view of the first guard plate.
FIG. 5 is a top view of the second shield.
In the drawings, the components represented by the respective reference numerals are listed below:
1-a first guard plate, 2-a second guard plate, 101-a first bolt, 102-a first drain pipe, 103-a convex strip, 104-a first drain opening, 105-a first through hole, 106-a first bolt groove, 107-a first drain hole, 201-a second bolt, 202-a second drain pipe, 203-a groove, 204-a second drain opening, 205-a second through hole, 206-a second bolt groove, 207-a second drain hole, 208-a prism.
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 of the present invention, it is to be understood that the terms "a surface," "an end," "a peripheral side," "an opposing side," "a top," and the like are used merely for convenience in describing the invention and to simplify the description, and do not indicate or imply that the components or elements so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered as limiting the invention.
Referring to fig. 1 to 5, the present invention is a supporting device for foundation pit engineering, including a first protecting plate 1 and a second protecting plate 2; prisms 208 are uniformly arranged on one surface of the first protection plate 1 and the second protection plate 2; the first guard plate and the second guard plate are of a double-layer guard plate structure formed by two triangular plates which correspond to each other up and down; the gap between the double-layer guard plates is provided with inverted H-shaped steel at the connecting part of the first guard plate and the second guard plate, the gap between the double-layer guard plates at two sides of the inverted H-shaped steel is provided with a concrete plate, and the concrete plate is poured and inserted into grooves at two ends of the H-shaped steel.
One end of the first drainage port 104 is fixedly connected with a first drainage pipe 102; a first drainage hole 107 is formed on the peripheral side surface of the first drainage pipe 102; a convex strip 103 is fixed on one opposite side surface of the first guard plate 1;
a second through hole 205 is formed on one surface of the second guard plate 2; a second water outlet 204 is formed on one surface of the second guard plate 2; one end of the second water outlet 204 is fixedly connected with a second water outlet pipe 202; the second drain pipe 202 has a second drain hole 207 formed on the peripheral side surface thereof.
Wherein, as shown in fig. 2, a first through hole 105 is formed on one surface of the first guard plate 1; a first drainage opening 104 is formed on one surface of the first guard plate 1.
Wherein a groove 203 is fixed to an opposite side of the second shield 2 as shown in fig. 3.
Wherein, as shown in fig. 4, the top of the first guard plate 1 is uniformly provided with first pegs 101; the top of the first guard board 1 is uniformly provided with first bolt grooves 106.
Wherein, as shown in fig. 5, second studs 201 are uniformly distributed on the top of the second guard plate 2; the second bolt grooves 206 are uniformly distributed on the top of the second guard plate 2.
The operation flow of this embodiment is:
arranging H-shaped steel, putting down the H-shaped structure, pouring and inserting a concrete slab into grooves at two ends of the H-shaped steel, and curing for later use;
butting and laying the lower plates of the first guard plate and the second guard plate;
laying the inverted H-shaped steel and the concrete slab poured and inserted into the grooves at the two ends of the inverted H-shaped steel according to the butt joint part of the inverted H-shaped steel, which corresponds to the lower layer plate of the first protection plate and the second protection plate;
correspondingly laying the upper plates and the lower plates of the first guard plate and the second guard plate up and down;
attaching one surface fixed with the prism to soil, punching holes on the soil, and inserting the first drainage pipe and the second drainage pipe into the holes;
reinforcing steel bars are inserted and fixed in the soil through the first through holes and the second through holes;
the first guard plate and the second guard plate are clamped and connected through the raised lines and the grooves, the first stud and the second stud groove are sleeved, and the second stud and the first stud groove are sleeved and connected for clamping and fixing;
and continuously adding more guard plates through the steps.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (1)
1. A foundation pit supporting method based on a supporting device for foundation pit engineering is characterized in that the supporting device comprises at least two guard plates: a first guard plate and a second guard plate; the first guard plate and the second guard plate are of a double-layer guard plate structure formed by two triangular plates which correspond to each other up and down; the gap between the double-layer guard plates is provided with inverted H-shaped steel at the connecting part of the first guard plate and the second guard plate, the gap between the double-layer guard plates at the two sides of the inverted H-shaped steel is provided with a concrete plate, and the concrete plate is poured and inserted into the grooves at the two ends of the H-shaped steel; prisms are uniformly arranged on one surface of the first protection plate and one surface of the second protection plate; a first through hole is formed in one surface of the first guard plate; a first drainage port is formed in one surface of the first protection plate; one end of the first drainage port is fixedly connected with a first drainage pipe; a first drainage hole is formed in the peripheral side surface of the first drainage pipe; a convex strip is fixed on one opposite side surface of the first guard plate; first studs are uniformly distributed on the top of the first guard plate; first bolt grooves are uniformly distributed in the top of the first guard plate; a second through hole is formed in one surface of the second guard plate; a second water outlet is formed in one surface of the second guard plate; one end of the second water outlet is fixedly connected with a second water discharge pipe; a second drain hole is formed in the peripheral side surface of the second drain pipe; a groove is formed in one opposite side face of the second guard plate; second studs are uniformly distributed on the top of the second guard plate; second bolt grooves are uniformly formed in the top of the second guard plate; the first water outlet, the second water outlet, the first through hole and the second through hole form an upward opening with a horizontal plane at 135 degrees, and the first stud and the second stud groove are sleeved; the second pin is sleeved with the first slot; the foundation pit supporting method is based on the supporting device and comprises the following steps:
(1) arranging H-shaped steel, putting down the H-shaped structure, pouring and inserting a concrete slab into grooves at two ends of the H-shaped steel, and curing for later use;
(2) butting and laying the lower plates of the first guard plate and the second guard plate;
(3) laying the inverted H-shaped steel and the concrete slab poured and inserted into the grooves at the two ends of the inverted H-shaped steel according to the butt joint part of the inverted H-shaped steel, which corresponds to the lower layer plate of the first protection plate and the second protection plate;
(4) correspondingly laying the upper plates and the lower plates of the first guard plate and the second guard plate up and down;
(5) attaching one surface fixed with the prism to soil, punching holes on the soil, and inserting the first drainage pipe and the second drainage pipe into the holes;
(6) reinforcing steel bars are inserted and fixed in the soil through the first through holes and the second through holes;
(7) the first guard plate and the second guard plate are clamped and connected through the raised lines and the grooves, the first stud and the second stud groove are sleeved, and the second stud and the first stud groove are sleeved and connected for clamping and fixing;
(8) and continuously adding more guard plates through the steps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811211841.1A CN109113078B (en) | 2018-10-18 | 2018-10-18 | Foundation pit supporting method based on supporting device for foundation pit engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811211841.1A CN109113078B (en) | 2018-10-18 | 2018-10-18 | Foundation pit supporting method based on supporting device for foundation pit engineering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109113078A CN109113078A (en) | 2019-01-01 |
| CN109113078B true CN109113078B (en) | 2021-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811211841.1A Expired - Fee Related CN109113078B (en) | 2018-10-18 | 2018-10-18 | Foundation pit supporting method based on supporting device for foundation pit engineering |
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| CN (1) | CN109113078B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113668561A (en) * | 2021-08-27 | 2021-11-19 | 中交二公局第一工程有限公司 | Deep foundation pit supporting anti-seepage device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102383506A (en) * | 2011-08-26 | 2012-03-21 | 傅礼铭 | Bidirectional intensively ribbed mold clamp wall body |
| EP2770109A1 (en) * | 2013-02-20 | 2014-08-27 | Vandix | Flushing system for a drainage gutter for an outdoor pavement |
| CN105862880A (en) * | 2016-06-06 | 2016-08-17 | 浙江工业大学 | Recoverable foundation pit support structure with pull-out holes |
| CN206986900U (en) * | 2017-01-11 | 2018-02-09 | 中国化学工程重型机械化公司 | A kind of band is advantageous to the pattern foundation pit supporting structure of discharge structure |
-
2018
- 2018-10-18 CN CN201811211841.1A patent/CN109113078B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102383506A (en) * | 2011-08-26 | 2012-03-21 | 傅礼铭 | Bidirectional intensively ribbed mold clamp wall body |
| EP2770109A1 (en) * | 2013-02-20 | 2014-08-27 | Vandix | Flushing system for a drainage gutter for an outdoor pavement |
| CN105862880A (en) * | 2016-06-06 | 2016-08-17 | 浙江工业大学 | Recoverable foundation pit support structure with pull-out holes |
| CN206986900U (en) * | 2017-01-11 | 2018-02-09 | 中国化学工程重型机械化公司 | A kind of band is advantageous to the pattern foundation pit supporting structure of discharge structure |
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| CN109113078A (en) | 2019-01-01 |
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