CN215594081U - Foundation of foundation pit stagnant water encloses fender - Google Patents
Foundation of foundation pit stagnant water encloses fender Download PDFInfo
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- CN215594081U CN215594081U CN202121982979.9U CN202121982979U CN215594081U CN 215594081 U CN215594081 U CN 215594081U CN 202121982979 U CN202121982979 U CN 202121982979U CN 215594081 U CN215594081 U CN 215594081U
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Abstract
The utility model relates to a foundation pit foundation water-stop fence.A water-stop structure is arranged outside a foundation, and is a water-stop curtain for surrounding the foundation, the lower edge of the water-stop curtain is pre-buried in a raft plate of the foundation, and a floater is arranged on the upper edge of the water-stop curtain.
Description
Technical Field
The utility model belongs to the technical field of water stopping construction, and particularly relates to a foundation pit foundation water stopping fence.
Background
In the construction stage of a main building structure with a basement, the tower crane foundation is usually lower than the bottom plate of the basement to form a 'sump'. In case of thunderstorm weather, rainwater can flow into the tower crane foundation from the tower crane through the hole of the top plate of the basement. Once the 'water collecting pit' is filled with rainwater, the basement can cause rainwater to flow transversely, and the image of site construction is seriously influenced. The moist environment will increase the risk that the on-the-spot electric leakage of facing the electric circuit, forms the potential safety hazard more.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that once the basement tower crane foundation is filled with rainwater, the rainwater flows transversely in the basement, and the site construction image is seriously influenced. The resulting moist environment further increases the risk of leakage of the electrical lines in the field.
In order to solve the problems, the utility model adopts the technical scheme that:
the utility model provides a foundation ditch basis stagnant water encloses fender, sets up the manger plate structure outside the basis, the manger plate structure is for enclosing the stagnant water curtain that closes the basis, and the lower border of this stagnant water curtain is pre-buried in the raft board of basis, goes up border installation float.
Compared with the prior art, the utility model adopting the technical scheme has the beneficial effects that:
the utility model can automatically intercept rainwater outside the foundation without an external tool after meeting thunderstorm weather. Effectively reducing the risk of soaking water in the tower crane foundation. The water-stopping device automatically rises along with the increase of accumulated water, is more timely compared with the water stopping of an original intercepting baffle, and can intercept most of accumulated water outside a foundation, so that the image of field construction is integrally improved. The electric leakage risk caused by a wet environment to the on-site temporary circuit is reduced, and the potential safety hazard formed by the electric leakage risk is eliminated.
Preferably, the further technical scheme of the utility model is as follows:
the floaters are four inflatable air bags matched with the length and the width of the upper edge of the waterproof curtain.
The lower edge of the waterproof curtain is connected with the metal fixing piece, and the metal fixing piece and the waterproof curtain are embedded in the raft plate concrete together; the metal fixing piece is arranged in the concrete to a depth of 20-30 cm.
The metal fixing piece is a water steel plate.
Drawings
FIG. 1 is a schematic view of a waterproof curtain according to the present invention.
Fig. 2 is a schematic view of the installation structure in the foundation pit according to the present invention.
Fig. 3 is a schematic cross-sectional view of the installation of the present invention.
Fig. 4 is a schematic diagram of water retaining under the water accumulation state of the utility model.
Fig. 5 is a state diagram of the present invention without water accumulation.
FIG. 6 is a schematic view of the structure of the water stop steel plate of the metal fastening member of the present invention.
In the figure: 1-a float; 2-waterproof curtain; 3-a metal fixing piece; 4-a base; and 5, foundation pit.
Detailed Description
The utility model will be further illustrated by the following examples, which are intended only for a better understanding of the present invention and therefore do not limit the scope of the utility model.
Referring to fig. 1, 2 and 3, the foundation water-stop fence in the foundation pit, especially the water-stop fence of the basement tower crane foundation, provided by the utility model, adopts the water-stop curtain 2 to stop the adverse effect of accumulated water in the foundation pit 5 on the equipment foundation 4. The waterproof curtain 2 is stacked at the bottom of the foundation pit 5 or the foundation 4 when no water is accumulated in the foundation pit 5, and automatically expands upwards by utilizing buoyancy when water is accumulated to form surrounding protection on the foundation 4. The lower edge of the waterproof curtain 2 is hermetically connected with the concrete structure of the foundation 4, so that water seepage to the inner side is avoided. The upper edge of the waterproof curtain 2 is provided with a floater 1, and the floater 1 floats in the foundation pit 5 and rises along with the surface of the accumulated water.
The floater 1 is preferably of an inflatable structure, and adopts a strip-shaped air bag, and the length of the air bag can be as long as the four sides of the waterproof curtain 2. The floater 1 is fixed on four sides of the upper edge of the waterproof curtain 2, and the lower part of the floater 1 is hermetically connected with the waterproof curtain 2, so that the water leakage at the joint is ensured. The height of the inflatable air bag is 15-20 cm.
The lower edge of the waterproof curtain 2 is preferably poured into concrete of the foundation 4. Considering that the waterproof curtain 2 and the concrete cannot be solidified, the metal fixing member 3 may be fixed at the end, and the metal fixing member 3 and the waterproof curtain 2 are buried in the raft board concrete together. The metal and the concrete can be well combined, and the condition that the lower edge of the waterproof curtain 2 is separated from the concrete is avoided. The metal fixing member 3 is disposed in the concrete to a depth of 20 to 30 cm. Further, as shown in fig. 6, the metal fixing member 3 is a water-stop steel plate, which is similar to a common water-stop steel plate structure for construction joints, and can effectively block water permeating along the water-stop curtain 2 toward the inside of the rolling direction.
The following is a detailed description of the installation and use of the above-described enclosure in connection with a specific use embodiment.
In the construction process of a bottom plate of a basement (equivalent to the foundation pit 5), the lower edge of the waterproof curtain 2 is connected with the metal fixing piece 3, and one side of the waterproof curtain 2 with the metal fixing piece 3 is embedded around the tower crane foundation 4.
As shown in FIG. 5, the waterproof curtain 2 of the present invention is in a contracted state due to the dryness and absence of water in the tower crane foundation (i.e., "foundation 4" of the present invention) at ordinary times. In case of thunderstorm weather, when water exists outside the tower crane foundation 4, as shown in fig. 4, the floater 1 floats upwards under the influence of buoyancy, and the soft waterproof curtain 2 is driven to be unfolded upwards. This stagnant water encloses fender and intercepts ponding outside tower crane basis, prevents that the rainwater from spreading the inflow. After the rain storm weather occurs, more rainwater can be automatically intercepted outside the foundation without the help of external tools.
Compared with the prior art, the utility model has the following beneficial effects:
1) the utility model reduces the risk of water soaking of the tower crane foundation. 2) More rainwater is intercepted outside the foundation, so that the phenomenon of rainwater crossflow of the basement is indirectly reduced, and the on-site construction image is integrally improved. 3) The electric leakage risk caused by a wet environment to the on-site temporary circuit is reduced, and the potential safety hazard formed by the electric leakage risk is eliminated.
The utility model is particularly suitable for popularization and application in the current civil engineering project construction in China.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, which is defined in the appended claims.
Claims (4)
1. The utility model provides a foundation ditch basis stagnant water encloses fender, sets up retaining structure outside the basis, its characterized in that: the water retaining structure is a water retaining curtain enclosing a foundation, the lower edge of the water retaining curtain is embedded in a raft of the foundation, and a floater is installed on the upper edge.
2. The foundation pit foundation water-stop fence according to claim 1, characterized in that: the floaters are four inflatable air bags matched with the length and the width of the upper edge of the waterproof curtain.
3. The foundation pit foundation water-stop fence according to claim 1, characterized in that: the lower edge of the waterproof curtain is connected with the metal fixing piece, and the metal fixing piece and the waterproof curtain are embedded in the raft plate concrete together; the metal fixing piece is arranged in the concrete to a depth of 20-30 cm.
4. The foundation pit foundation water-stop fence according to claim 3, characterized in that: the metal fixing piece is a water steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121982979.9U CN215594081U (en) | 2021-08-23 | 2021-08-23 | Foundation of foundation pit stagnant water encloses fender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121982979.9U CN215594081U (en) | 2021-08-23 | 2021-08-23 | Foundation of foundation pit stagnant water encloses fender |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215594081U true CN215594081U (en) | 2022-01-21 |
Family
ID=79882348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121982979.9U Active CN215594081U (en) | 2021-08-23 | 2021-08-23 | Foundation of foundation pit stagnant water encloses fender |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215594081U (en) |
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2021
- 2021-08-23 CN CN202121982979.9U patent/CN215594081U/en active Active
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