CN216839475U - Anti-seepage foundation pit bottom inclined supporting device - Google Patents

Anti-seepage foundation pit bottom inclined supporting device Download PDF

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Publication number
CN216839475U
CN216839475U CN202220133333.1U CN202220133333U CN216839475U CN 216839475 U CN216839475 U CN 216839475U CN 202220133333 U CN202220133333 U CN 202220133333U CN 216839475 U CN216839475 U CN 216839475U
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steel
water
basement
wall
foundation pit
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CN202220133333.1U
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Inventor
黄天明
王涛
竹相
黄星迪
李健平
朱海娣
方华建
邓以亮
娄泽丰
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Dongtong Geotechnical Science And Technology Inc
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Dongtong Geotechnical Science And Technology Inc
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Abstract

The utility model discloses a foundation pit bottom oblique supporting device for preventing water seepage, aiming at providing a foundation pit bottom enclosure structure which has simple structure and high construction efficiency and can effectively control the deformation of the foundation pit bottom enclosure structure; and can effectively solve the problem of basement water inflow caused by that the inclined support directly passes through the outer wall of the basement. It is including the steel support post that is the slope and distributes, the basement outer wall that is located the fender pile inboard of foundation ditch and the concrete bottom plate that is located the foundation ditch pot head, the upper portion of steel support post is equipped with and goes up the water board, and the lower extreme of steel support post is buried underground in the concrete bottom plate, and the basement outer wall in the foundation ditch is passed and is supported on the fender pile to the upper end of steel support post, go up the water board and bury underground in the basement outer wall.

Description

Anti-seepage foundation pit bottom inclined supporting device
Technical Field
The utility model relates to a foundation ditch supports the field, concretely relates to anti-seepage water's foundation ditch hole bottom diagonal bracing device.
Background
At present, in a foundation pit project with high requirements on deformation control, an inclined support needs to be arranged after the foundation pit is excavated to the bottom of the pit so as to control the deformation of the bottom of the foundation pit. The existing diagonal bracing is generally composed of profile steel, the lower end of the diagonal bracing is buried in a basement bottom plate at the bottom of a foundation pit, and the upper end of the diagonal bracing penetrates through a basement outer wall and is supported on a fender post of the foundation pit so as to realize bracing the bottom of the foundation pit. Because the diagonal bracing directly passes through the basement outer wall, and constitute the diagonal bracing by shaped steel in the concrete curing process of basement outer wall, appear the gap easily between diagonal bracing and the basement outer wall for groundwater causes basement outer wall structure percolating water along the diagonal bracing post seepage, and this kind of percolating water is extremely difficult to be handled radically, thereby leads to the basement later stage to use and produces the basement problem of intaking.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a foundation pit bottom enclosure structure which has simple structure and high construction efficiency and can effectively control the deformation of the foundation pit bottom enclosure structure; and can effectively solve the problem of basement water inflow caused by that the inclined support directly passes through the outer wall of the basement.
The technical scheme of the utility model is that:
the utility model provides a foundation ditch pit bottom diagonal bracing device of antiseep water, characterized by, including the steel support post that is the slope and distributes, be located the fender post inboard basement outer wall of foundation ditch and be located the concrete bottom plate at the bottom of the foundation ditch pit, the upper portion of steel support post is equipped with and ends the hydrofoil board, and the lower extreme of steel support post is buried underground in the concrete bottom plate, and the basement outer wall in the foundation ditch is passed and is supported on the fender post in the upper end of steel support post, it buries underground in the basement outer wall to go up the hydrofoil board. This scheme adopts and to go up the water board on the steel support post, and goes up the water board and bury underground in the basement exterior wall, so, can effectual separation groundwater along the steel support post seepage flow, prevent structure percolating water to effectively solve because of the slant supports directly passes through the basement outer wall, and the basement problem of intaking that causes. On the other hand, this scheme adopts the steel support column to build the bearing diagonal in the foundation ditch bottom, and its simple structure, efficiency of construction are high, can effectively control foundation ditch bottom envelope and warp.
Preferably, a brick wall is arranged between the fender post and the outer wall of the basement, brick wall through holes are reserved in the brick wall, the steel support columns penetrate through the brick wall through holes, and the brick wall through holes are filled and sealed through impervious concrete. Therefore, the steel support columns can be sealed through the anti-seepage concrete filling, underground water is further effectively prevented from seeping along the steel support columns, and water seepage of the structure is prevented.
Preferably, the concrete bottom plate comprises a concrete cushion layer formed by pouring at the bottom of the foundation pit and a basement bottom plate formed by pouring on the concrete cushion layer, a lower water stop plate is arranged at the lower part of the steel support column, the lower end of the steel support column penetrates through the basement bottom plate, the lower end of the steel support column is buried in the concrete cushion layer, and the lower water stop plate is buried in the basement bottom plate. So, groundwater that can effectual separation basement bottom plate below up seepage flow passes the basement bottom plate along the steel support post.
Preferably, a reinforcing mesh is arranged in the concrete cushion layer, and the lower ends of the steel supporting columns are connected with the reinforcing mesh in a welding mode. So, guarantee the stability of being connected of steel support post and concrete cushion, and then improve the support stability of steel support post to the foundation ditch bottom.
Preferably, the lower water stop plate is horizontally distributed.
Preferably, the fender pile comprises a cement-soil mixing pile and a profile steel upright post inserted in the cement-soil mixing pile, and the upper end of the steel support post is connected with the profile steel upright post in the fender pile in a welding mode. So, can effectively guarantee the bearing structure stability of steel support post and fender pile for the steel support post is built the speed in the foundation ditch bottom.
Preferably, the upper water stopping plates are distributed in an up-and-down extending manner.
Preferably, a drain pipe is buried in the underground outdoor wall, a water collecting cavity is arranged below the steel support column in the underground outdoor wall, the lower part of the upper water stop plate extends downwards into the water collecting cavity, the upper end of the drain pipe is communicated with the water collecting cavity, and the lower end of the drain pipe is communicated with a water collecting pit of the basement or a drainage ditch of the basement. Because go up the water board and be the upper and lower extension distribution, and go up the lower part of water board and stretch into the intracavity that catchments down, so, even groundwater along the steel support post seepage flow appears, when groundwater seepage flow was supreme water board, groundwater will follow and go up the water board and down the seepage flow intracavity that catchments, then flow out the sump pit or the escape canal of basement in through the drain pipe to further effectual groundwater of avoiding is along the steel support post seepage flow to the basement.
Preferably, the steel support column is H-shaped steel or channel steel or angle steel or round steel tube.
The utility model has the advantages that: the structure is simple, the construction efficiency is high, and the deformation of the enclosure structure at the bottom of the foundation pit can be effectively controlled; and the problem of basement water inflow caused by the fact that the inclined support directly passes through the outer wall of the basement can be effectively solved.
Drawings
Fig. 1 is a schematic structural diagram of a foundation pit bottom oblique supporting device for preventing water leakage according to a first embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a foundation pit bottom oblique supporting device for preventing water leakage according to a second embodiment of the present invention.
In the figure:
the method comprises the following steps of (1) enclosing piles, 1.1 cement soil mixing piles and 1.2 profile steel upright columns;
a steel support column 2, an upper water stop plate 2.1 and a lower water stop plate 2.2;
a concrete cushion 3;
a basement exterior wall 4;
a brick wall 5;
a basement bottom plate 6;
impermeable concrete 7;
a water collection cavity 8;
a drain pipe 9;
a communication port 10.
Detailed Description
To make the objects, technical solutions and advantages of embodiments of the present invention clearer, the embodiments of the present invention are clearly explained and illustrated below with reference to the accompanying drawings, but the following embodiments are only preferred embodiments of the present invention, not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present solution, and are not construed as limiting the present solution.
These and other aspects of embodiments of the invention will be apparent with reference to the following description and attached drawings. In the description and drawings, particular embodiments of the invention have been disclosed in detail as being indicative of some of the ways in which the principles of the embodiments of the invention may be practiced, but it is understood that the scope of the embodiments of the invention is not limited thereby. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
In the description of the present invention, it is to be understood that the terms "thickness", "upper", "lower", "horizontal", "top", "bottom", "inner", "outer", "circumferential", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., and "a plurality" means one or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The first embodiment is as follows: as shown in figure 1, the anti-seepage foundation pit bottom inclined supporting device comprises steel supporting columns 2 which are distributed in an inclined mode, a basement outer wall 4 located on the inner side of a fender post 1 of a foundation pit and a concrete bottom plate located at the bottom of the foundation pit. The upper part of the steel support column is provided with an upper water stop plate 2.1. The lower ends of the steel support columns are embedded in the concrete bottom plate. The upper end of the steel support column penetrates through the outer wall of the basement in the foundation pit and is supported on the fender pile. The upper water stop plate is buried in the outer wall of the underground chamber. In this embodiment, the basement outer wall is formed by concrete pouring. This embodiment adopts to go up the water stop plate on the steel support post, and goes up the water stop plate and bury underground in the basement exterior wall, so, can effectual separation groundwater along the steel support post seepage flow, prevent structure percolating water to effectively solve because of the slant supports directly passes through the basement outer wall, and the basement problem of intaking that causes. On the other hand, this scheme adopts the steel support column to build the bearing diagonal in the foundation ditch bottom, and its simple structure, efficiency of construction are high, can effectively control foundation ditch bottom envelope and warp.
Specifically, the concrete bottom plate comprises a concrete cushion 3 formed by pouring at the bottom of the foundation pit and a basement bottom plate 6 formed by pouring on the concrete cushion. The lower end of the steel support column penetrates through the basement bottom plate, and the lower end of the steel support column is buried in the concrete cushion layer.
In this embodiment, the steel support column is H-shaped steel or channel steel or angle steel or round steel tube.
Furthermore, a reinforcing mesh is arranged in the concrete cushion layer, and the lower end of the steel support column is connected with the reinforcing mesh in a welding mode. So, guarantee the stability of being connected of steel support post and concrete cushion, and then improve the support stability of steel support post to the foundation ditch bottom. In this embodiment, the mesh reinforcement is a prefabricated mesh reinforcement.
Further, the lower part of the steel support column is provided with a lower water stop plate 2.2, and the lower water stop plate is buried in the basement bottom plate. So, groundwater that can effectual separation basement bottom plate below up seepage flow passes the basement bottom plate along the steel support post. In this embodiment, the lower water stop plates are horizontally distributed.
Furthermore, the upper water stopping plates extend vertically, and in the embodiment, the upper water stopping plates are vertically distributed. And the upper water stop plate is parallel to the outer wall of the basement where the upper water stop plate is located.
Further, as shown in fig. 1, the fender post 1 is composed of a soil cement mixing pile 1.1 and a profile steel upright post 1.2 inserted into the soil cement mixing pile, and the upper end of the steel support column is connected with the profile steel upright post in the fender post in a welding manner, so that the upper end of the steel support column is supported on the fender post. So, can effectively guarantee the bearing structure stability of steel support post and fender pile for the steel support post is built the speed in the foundation ditch bottom.
Further, as shown in fig. 1, a brick wall 5 is arranged between the fender post and the outer wall of the basement, a brick wall through hole is reserved on the brick wall, the steel support column penetrates through the brick wall through hole, and the brick wall through hole is filled and sealed by impermeable concrete 7. Therefore, the steel support columns can be sealed through the anti-seepage concrete filling, underground water is further effectively prevented from seeping along the steel support columns, and water seepage of the structure is prevented.
The steel support column of this embodiment is retrieved after the basement roof is accomplished, and is specific, adopts the mode of cutting to cut off the steel support column of retrieving in the basement, buries the steel support column of burying in basement outer wall and basement bottom plate and keeps motionless.
The second embodiment is the same as the first embodiment, except that,
as shown in fig. 2, a drain pipe 9 is buried in the underground outdoor wall, and a water collecting cavity 8 is arranged in the underground outdoor wall and below the steel support column. The lower part of the upper water stop plate 2.1 extends downwards into the water collecting cavity. The upper end of the drain pipe is communicated with the water collecting cavity, and the lower end of the drain pipe is communicated with a water collecting pit of the basement or a drainage ditch of the basement. Because go up the water board and be the upper and lower extension distribution, and go up the lower part of water board and stretch into the intracavity that catchments down, so, even groundwater along the steel support post seepage flow appears, when groundwater seepage flow was supreme water board, groundwater will follow and go up the water board and down the seepage flow intracavity that catchments, then flow out the sump pit or the escape canal of basement in through the drain pipe to further effectual groundwater of avoiding is along the steel support post seepage flow to the basement.
In this embodiment, the lower edge of the upper water stop plate is completely located in the water collection cavity.
The medial surface of basement outer wall is equipped with the intercommunication mouth 10 with the chamber intercommunication that catchments, and the intercommunication mouth is located the top in the bottom surface in chamber that catchments. So, can observe whether there is water in the catchment intracavity through the intercommunication mouth, judge whether the circumstances of groundwater along the steel shotcrete seepage flow appears.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and equivalent transformation of doing above embodiment the utility model discloses technical scheme's protection scope.

Claims (9)

1. The utility model provides a foundation ditch pit bottom diagonal bracing device of antiseep water, characterized by, including the steel support post that is the slope and distributes, be located the fender post inboard basement outer wall of foundation ditch and be located the concrete bottom plate at the bottom of the foundation ditch pit, the upper portion of steel support post is equipped with and ends the hydrofoil board, and the lower extreme of steel support post is buried underground in the concrete bottom plate, and the basement outer wall in the foundation ditch is passed and is supported on the fender post in the upper end of steel support post, it buries underground in the basement outer wall to go up the hydrofoil board.
2. The oblique supporting device for the bottom of a foundation pit against leakage of water as claimed in claim 1, wherein a brick wall is provided between said fender post and the outer wall of the basement, a brick wall through hole is formed in the brick wall, said steel supporting post passes through the brick wall through hole, and said brick wall through hole is tightly sealed by impervious concrete.
3. The oblique supporting device for the bottom of a leakage-proof foundation pit according to claim 1, wherein the concrete bottom plate comprises a concrete cushion layer poured at the bottom of the foundation pit and a basement bottom plate poured on the concrete cushion layer, the lower part of the steel supporting column is provided with a lower water stop plate, the lower end of the steel supporting column penetrates through the basement bottom plate, the lower end of the steel supporting column is buried in the concrete cushion layer, and the lower water stop plate is buried in the basement bottom plate.
4. The oblique supporting device for foundation pit bottom against leakage of water of claim 3, wherein said concrete cushion layer is laid with steel bar net, and the lower end of said steel supporting column is welded with steel bar net.
5. The oblique supporting device for foundation pit bottom against leakage of water of claim 3 or 4, wherein said lower water stop plate is horizontally disposed.
6. The oblique supporting device for the bottom of a foundation pit for preventing water seepage as claimed in claim 1, 2, 3 or 4, wherein said fender post is composed of a cement-soil mixing pile and a section steel upright post inserted in the cement-soil mixing pile, and the upper end of said steel supporting post is welded with the section steel upright post in the fender post.
7. The inclined supporting device for foundation pit bottom against water seepage of claim 1, 2, 3 or 4, wherein said upper water stop plate is extended up and down.
8. The oblique supporting device for the bottom of a foundation pit for preventing leakage of water as claimed in claim 7, wherein a water drainage pipe is buried in the outer wall of the underground chamber, a water collection chamber is formed in the outer wall of the underground chamber and below the steel supporting column, the lower portion of the upper water stop plate extends downwards into the water collection chamber, the upper end of the water drainage pipe is communicated with the water collection chamber, and the lower end of the water drainage pipe is communicated with the water collection pit of the basement or a drainage ditch of the basement.
9. The oblique supporting device for the foundation pit bottom against leakage of water of claim 1, 2, 3 or 4, wherein said steel supporting column is H-shaped steel or channel steel or angle steel or round steel pipe.
CN202220133333.1U 2022-01-18 2022-01-18 Anti-seepage foundation pit bottom inclined supporting device Active CN216839475U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220133333.1U CN216839475U (en) 2022-01-18 2022-01-18 Anti-seepage foundation pit bottom inclined supporting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220133333.1U CN216839475U (en) 2022-01-18 2022-01-18 Anti-seepage foundation pit bottom inclined supporting device

Publications (1)

Publication Number Publication Date
CN216839475U true CN216839475U (en) 2022-06-28

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ID=82085165

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Application Number Title Priority Date Filing Date
CN202220133333.1U Active CN216839475U (en) 2022-01-18 2022-01-18 Anti-seepage foundation pit bottom inclined supporting device

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CN (1) CN216839475U (en)

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