CN213597015U

CN213597015U - Regulation pond bottom plate precipitation well block structure

Info

Publication number: CN213597015U
Application number: CN202021709628.6U
Authority: CN
Inventors: 杨立友; 黄华山
Original assignee: No 5 Engineering Co Ltd of CCCC First Harbor Engineering Co Ltd
Current assignee: No 5 Engineering Co Ltd of CCCC First Harbor Engineering Co Ltd
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2021-07-02
Anticipated expiration: 2030-08-17

Abstract

The utility model discloses a storage tank bottom plate precipitation well plugging structure, which comprises a bottom plate, wherein the bottom plate is formed by pouring concrete, a precipitation well pipe wall penetrates through the bottom plate, a steel pipe is arranged at the outer side of the precipitation well pipe wall, an outer water stop steel plate is arranged on the outer surface of the steel pipe, a fine stone layer is arranged at the inner lower end of the precipitation well pipe wall, a concrete layer is arranged at the upper end of the fine stone layer in the precipitation well pipe wall, two inner blind plates positioned at the upper end of the inner part of the water pipe wall are arranged at the upper end of the concrete layer, and a reinforcing layer is arranged at the top end of the precipitation well pipe wall. The filling is compact, the plugging structure is tight, and the leakage of underground water through the pipeline can be completely prevented.

Description

Regulation pond bottom plate precipitation well block structure

Technical Field

The utility model relates to a municipal administration regulation pond technical field specifically is a regulation pond bottom plate precipitation well block structure.

Background

The deep foundation pit dewatering is a great problem, particularly, the engineering with large width of the foundation pit, high underground water level and large water content aims at a large-caliber dewatering well, strengthens the soil body at the bottom of the foundation pit, improves the strength of the soil body at the bottom of the pit, reduces the uplift of the bottom of the pit and the deformation of an enclosure structure, prevents the excessive settlement of the surface outside the pit, is beneficial to the stability of a side slope, prevents a landslide, dredges underground water in the pit, and is convenient for an excavator and workers to construct and operate in the pit.

The existing plugging process for the foundation pit floor dewatering well has the defects of insufficient design depth, different methods, frequent floor water seepage in the later period after a plurality of simple plugs are finished, and difficult later-period repair, thereby causing great influence and economic loss.

To the above-mentioned problem, design a regulation pond bottom plate precipitation well block structure now.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a regulation pond bottom plate precipitation well block structure to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a regulation pond bottom plate precipitation well block structure, includes the bottom plate, the bottom plate is formed by concrete placement, it has the precipitation well pipe wall to run through in the bottom plate, the outside of precipitation well pipe wall is equipped with the steel pipe, the surface of steel pipe is equipped with outer stagnant water steel sheet, the inside lower extreme of precipitation well pipe wall is equipped with the fine stone layer, the upper end of fine stone layer is equipped with concrete layer in the precipitation well pipe wall, be equipped with the slip casting pipe that is used for pouring concrete layer in the precipitation well pipe wall, concrete layer's upper end is equipped with two interior blind plates that are located the inside upper end of precipitation well pipe wall, the top of precipitation well pipe wall is equipped with the back up coat.

As a further aspect of the present invention: the reinforcing layer is formed by mixing fine aggregate concrete and a steel wire mesh sheet.

As a further aspect of the present invention: the outer water stop steel plates are uniformly distributed on the outer surfaces of the steel pipes in an annular shape, and the thickness of each outer water stop steel plate is not less than that of the wall of the precipitation well pipe.

As a further aspect of the present invention: the periphery of outer stagnant water steel sheet is equipped with the stagnant water along, the stagnant water is followed and is 45 degrees with the contained angle of horizontal plane.

As a further aspect of the present invention: the thickness of the fine stone sublayer is 1.5 times of that of the bottom plate, and the distance between the fine stone sublayer and the lower end of the bottom plate is more than 2.0 m.

As a further aspect of the present invention: the thickness of the inner blind plate is consistent with that of the wall of the precipitation well pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the outer water stop steel plate is arranged on the outer surface of the steel pipe to form an outer water stop baffle, so that the pressure of underground water to a gap between concrete and a pipe wall is reduced, and the leakage of the underground water is effectively prevented;

2. the utility model discloses a set up fine stone layer and concrete layer in precipitation well pipe wall, use the shutoff of the double-deck interior blind plate simultaneously, it is closely knit to form the packing, and the tight structure of shutoff can prevent groundwater from passing through the pipeline seepage completely.

Drawings

Fig. 1 is a schematic structural diagram of a plugging structure of a precipitation well of a storage pond bottom plate.

Fig. 2 is a schematic plan structure view of a plugging structure of a precipitation well of a storage pond bottom plate.

Fig. 3 is a schematic diagram of a finished structure of a plugging structure of a precipitation well of a storage pond bottom plate.

Wherein: 100. the water-stop wall comprises a bottom plate, 200 parts of a precipitation well pipe wall, 300 parts of a steel pipe, 400 parts of an outer water-stop steel plate, 401 parts of a water-stop edge, 500 parts of a fine stone layer, 600 parts of a concrete layer, 700 parts of a grouting pipe, 800 parts of an inner blind plate, 900 parts of a reinforcing layer.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", 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 for simplicity of description, and 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. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, in an embodiment of the present invention, a plugging structure for a precipitation well of a storage pond bottom plate comprises a bottom plate 100, the bottom plate 100 is formed by casting concrete, a precipitation well pipe wall 200 penetrates through the bottom plate 100, a steel pipe 300 is disposed outside the precipitation well pipe wall 200, an outer water stop steel plate 400 is disposed on an outer surface of the steel pipe 300, a fine stone layer 500 is disposed at a lower end of an inner portion of the precipitation well pipe wall 200, a concrete layer 600 is disposed at an upper end of the fine stone layer 500 in the precipitation well pipe wall 200, a grouting pipe 700 for casting the concrete layer 600 is disposed in the precipitation well pipe wall 200, the grouting pipe 700 is drawn out before plugging of the precipitation well pipe wall 200 is completed, two inner blind plates 800 located at an upper end of the inner portion of the precipitation well pipe wall 200 are disposed at an upper end of the concrete layer 600, a reinforcing layer 900 is disposed at a top end of the precipitation well pipe wall, an external water stop baffle is formed, the pressure of underground water on a gap between concrete and the wall 200 of the precipitation well is reduced, the leakage of the underground water can be effectively prevented, and meanwhile, a fine stone layer 500 and a concrete layer 600 are arranged in the wall 200 of the precipitation well, so that the effect of compact filling is formed, and the leakage of the underground water through a pipeline is prevented;

the reinforcing layer 900 is formed by mixing fine aggregate concrete and steel wire meshes, so that the strength of the wall 200 of the precipitation well can be increased, and the wall 200 of the precipitation well is more stable;

the outer water stop steel plates 400 are uniformly distributed on the outer surface of the steel pipe 300 in an annular shape, and the thickness of the outer water stop steel plates 400 is not less than that of the wall 200 of the precipitation well pipe, so that the water stop effect of the outer water stop steel plates 400 is better;

the periphery of the outer water stop steel plate 400 is provided with a water stop edge 401, and the included angle between the water stop edge 401 and the horizontal plane is 45 degrees, so that the pressure of underground water on the gap between the concrete and the precipitation well pipe wall 200 can be reduced, and the leakage of the underground water can be effectively prevented;

the thickness of the fine stone sub-layer 500 is 1.5 times larger than that of the bottom plate 100, and the distance between the fine stone sub-layer 500 and the lower end of the bottom plate 100 is larger than 2.0m, so that the interior of the precipitation well pipe wall 200 is more stable;

the thickness of the inner blind plate 800 is consistent with that of the wall 200 of the precipitation well pipe, so that a tightly filled and sealed structure can be formed, and underground water is completely prevented from leaking through the pipe.

The utility model discloses a theory of operation is: through set up outer stagnant water steel sheet 400 at the steel pipe surface, form outside stagnant water baffle, reduce groundwater to the pressure in the space between concrete and precipitation well pipe wall 200, can effectively prevent the groundwater seepage, simultaneously through set up fine stone layer 500 and concrete layer 600 in precipitation well pipe wall 200, use the shutoff of double-deck interior blind plate 800 simultaneously, form to pack closely, the tight structure of shutoff can prevent groundwater from passing through the pipeline seepage completely.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a regulation pond bottom plate precipitation well block structure, includes bottom plate (100), its characterized in that: the concrete-poured dewatering well is characterized in that the bottom plate (100) is formed by pouring concrete, a dewatering well pipe wall (200) penetrates through the bottom plate (100), a steel pipe (300) is arranged on the outer side of the dewatering well pipe wall (200), an outer water stop steel plate (400) is arranged on the outer surface of the steel pipe (300), a fine stone layer (500) is arranged at the lower end of the inside of the dewatering well pipe wall (200), a concrete layer (600) is arranged at the upper end of the fine stone layer (500) in the dewatering well pipe wall (200), a grouting pipe (700) used for pouring the concrete layer (600) is arranged in the dewatering well pipe wall (200), two inner blind plates (800) located at the upper end of the inside of the dewatering well pipe wall (200) are arranged at the upper end of the concrete layer (600), and a reinforcing layer (900).

2. The storage tank bottom plate dewatering well block structure of claim 1, characterized in that: the reinforcing layer (900) is formed by mixing fine aggregate concrete and a steel wire mesh.

3. The storage tank bottom plate dewatering well block structure of claim 1, characterized in that: the outer water stop steel plate (400) is uniformly distributed on the outer surface of the steel pipe (300) in an annular shape, and the thickness of the outer water stop steel plate (400) is not less than that of the wall (200) of the precipitation well.

4. The storage tank bottom plate dewatering well block structure of claim 1, characterized in that: the periphery of outer stagnant water steel sheet (400) is equipped with stagnant water along (401), the stagnant water is followed (401) and is 45 degrees with the contained angle of horizontal plane.

5. The storage tank bottom plate dewatering well block structure of claim 1, characterized in that: the thickness of the fine stone sublayer (500) is 1.5 times larger than that of the bottom plate (100), and the distance between the fine stone sublayer (500) and the lower end of the bottom plate (100) is larger than 2.0 m.

6. The storage tank bottom plate dewatering well block structure of claim 1, characterized in that: the thickness of the inner blind plate (800) is consistent with that of the wall (200) of the precipitation well pipe.