CN215857889U - Anti-floating pressure relief system - Google Patents

Abstract

The utility model relates to an anti-floating pressure relief system, which comprises a sump, an inverted U-shaped drain pipe, a water guide pipe and a controller, wherein the sump is provided with a water inlet and a water outlet; the inverted U-shaped drain pipe comprises a vertical water inlet pipe, a horizontal pipe and a vertical drain pipe which are sequentially communicated; the water guide pipe is communicated with the vertical water inlet pipe; a mechanical water pressure meter is arranged on the vertical water inlet pipe; the horizontal pipe is sequentially provided with a hydrostatic pressure testing element and an electric valve along the drainage direction; a filter layer is arranged between the pit wall of the water collecting pit and outdoor foundation soil, and the inlet end of the water guide pipe is embedded in the filter layer; the hydrostatic pressure testing element and the electric valve are electrically connected with the controller; the utility model has simple structure and easy manufacture, is particularly suitable for clay, sandy soil and other soft soil areas, has the characteristics of safety and economy, and realizes the intelligent drainage, pressure relief and anti-floating of buildings.

Description

Anti-floating pressure relief system

Technical Field

The utility model belongs to the technical field of anti-floating pressure relief, and particularly relates to an anti-floating pressure relief system.

Background

The existence of water buoyancy makes the basement have the unsteady trend of floating upwards, can produce adverse effect to superstructure. Therefore, anti-floating is the first problem to be solved in the design of buildings and structures and basements in areas with relatively high ground water level. The traditional anti-floating design of the building usually adopts the steps of increasing the weight, arranging an anti-floating component or draining according to the highest underground water level to resist floating, so that the construction is complex, the construction period is long, and the construction cost is high. If the lower water level is adopted for fortification, the building bottom plate is easy to crack due to the water pressure effect, so that the water leakage of the basement is caused, and the safety of the structure is influenced. Most of the existing underground water drainage and pressure relief devices for common clay and sandy soil areas are manual mechanical drainage, which wastes time and labor and has poor drainage effect.

Disclosure of Invention

In order to overcome the problems in the background art, the utility model provides an anti-floating pressure relief system, underground water is led out through an underground water filtering device, an intelligent controller is used for controlling an electric valve to drain water, the anti-floating effect of a building is achieved, the problem of clay and sandy soil area drainage blockage is effectively solved, and the filtered underground water can be reused.

In order to realize the purpose, the utility model is realized by the following technical scheme:

an anti-floating pressure relief system comprises a sump arranged outdoors, an inverted U-shaped drain pipe, a water guide pipe and a controller; the inverted U-shaped drain pipe comprises a vertical water inlet pipe, a horizontal pipe and a vertical drain pipe which are sequentially communicated; the water guide pipe is communicated with the vertical water inlet pipe; a mechanical water pressure meter is arranged on the vertical water inlet pipe; the horizontal pipe is sequentially provided with a hydrostatic pressure testing element and an electric valve along the drainage direction; a filter layer is arranged between the pit wall of the water collecting pit and outdoor foundation soil, and the inlet end of the water guide pipe is embedded in the filter layer; the hydrostatic pressure testing element and the electric valve are electrically connected with the controller;

preferably, the bottommost end of the vertical water inlet pipe is provided with a sewage draining outlet.

Preferably, the filter layer is arranged between the outdoor foundation soil and the foundation soil of the water collecting pit and comprises geotextile, a metal protective layer, a sand filter layer and a gravel layer; the geotechnical cloth, the metal protective layer and the sand and stone filter layer are sequentially arranged, and the gravel layer is arranged in the foundation soil of the water collecting pit; and a filtering pipe network is embedded in the gravel layer, and a water inlet of the water guide pipe is communicated with the filtering pipe network.

Preferably, the control mode of the electrically operated valve is an automatic control mode or a manual control mode. In the automatic control mode, the controller reads the water pressure measured by the hydrostatic pressure test element to judge whether the basement water pressure exceeds the basement water head threshold value or not, and controls the electric valve to discharge water and release pressure. And in the manual control mode, the electric valve is manually controlled to be opened and closed to discharge water and release pressure.

The utility model has the beneficial effects that:

according to the utility model, the filter layers comprising the geotextile, the metal protective layer, the sand filter layer and the crushed stone layer are arranged, and the filter pipe network is arranged in the crushed stone layer, so that not only can underground water effectively permeate into the water collecting pit, but also silt can be effectively filtered, and the water guide pipe can be prevented from being blocked; the bottom end of the vertical water inlet pipe is provided with the drain outlet, so that the soil penetrating into the water guide pipe can be discharged from the drain outlet according to the characteristic that the gravity of the soil is greater than that of water, the amount of silt entering the horizontal pipe and the vertical water discharge pipe is reduced, and the pipeline is effectively prevented from being blocked; by arranging the controller, the electric valve and the hydrostatic pressure testing element, automatic water drainage and pressure relief of the electric control valve can be realized, intelligent water drainage is realized, labor cost is reduced, and automatic water drainage and anti-floating are realized; through setting up mechanical type hydrostatic pressure meter, can judge groundwater liquid level according to water pressure, effectively monitor the groundwater level.

The utility model utilizes the filter layer to filter large granular substances of clay and underground water in sandy soil, so that water permeates and flows through, and a water pressure gauge arranged on a drain pipe is used for detecting whether the water pressure exceeds an early warning value or not. When the water pressure exceeds the early warning value, the electric valve is controlled to automatically start through the intelligent controller, and the valve is opened to drain water and release pressure. Compared with the existing anti-floating structure, the anti-floating structure has the advantages of simple structure, easiness in manufacturing, safety and economy, and is particularly suitable for clay, sandy soil and other soft soil areas, and the intelligent drainage, pressure relief and anti-floating of a building are realized.

Drawings

FIG. 1 is a schematic structural view of the present invention;

in the figure, 1-sump; 2-outdoor foundation soil; 3, a drain pipe; 4-a water conduit; 5-a sewage draining outlet; 6-mechanical water pressure meter; 7-hydrostatic pressure test element; 8-an electrically operated valve; 9-a controller; 10-a filtration pipe network; 11-a crushed stone layer; 12-sand filtration layer; 13-a metallic protective layer; 14-geotextile.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings to facilitate understanding of the skilled person.

As shown in figure 1, the anti-floating pressure relief system is arranged outdoors and comprises a water collecting pit, an inverted U-shaped drain pipe 3, a water guide pipe 4 and a controller 9.

A filter layer is arranged between the wall of the sump 1 and the outdoor foundation soil 2, and the underground water is filtered by the filter layer and then is discharged to the sump 1 through a water guide pipe 4 and a U-shaped drain pipe 3.

The filter layer is arranged on the side facing the building and comprises a geotextile 14, a metal protective layer 13, a sand filter layer 12 and a gravel layer 11. The geotextile 14, the metal protective layer 13 and the sand and stone filter layer 12 are sequentially arranged, and the rubble layer 11 is arranged in the foundation soil of the water collecting pit. The gravel layer 11 is laid in a net shape, and one or more layers, preferably three layers, are laid; filter pipe network 10 and bury underground in rubble layer 11 and with vertical inlet tube intercommunication, bury underground in rubble layer 11 through filtering the pipe network, usable rubble layer 11 further reduces the silt volume, filters pipe network 10 and can effectively filter tiny silt, but makes the water that gets into in sump 1 reutilization.

The drain pipe 3 of the shape of falling U is including the vertical inlet tube, the horizontal pipe and the vertical drain pipe that communicate in proper order, aqueduct 4 and vertical inlet tube intercommunication. The water inlet of the water guide pipe 4 is communicated with a filtering pipe network 10. The groundwater is filtered by the geotextile 14, the metal protective layer 13, the sandstone filter layer 12, the gravel layer 11 and the filtering pipe network 10, enters the water guiding pipe 4 and is discharged into the water collecting pit 1 through the inverted U-shaped water discharging pipe 3.

Be equipped with mechanical type hydrostatic meter 6 on the vertical inlet tube, can judge groundwater liquid level according to mechanical type hydrostatic meter 6's water pressure, effectively monitor groundwater level. The horizontal pipe is provided with a hydrostatic pressure testing element 7 and an electric valve 8 in sequence along the drainage direction, and the hydrostatic pressure testing element 7 and the electric valve 8 are both electrically connected with a controller 9. The water pressure data transmission that hydrostatic pressure test element 7 surveyed to controller 9, controller 9 compares with basement water head threshold value, and when the water pressure data that water pressure test element 7 surveyed were greater than basement water head threshold value, controller 9 control electric valve 8 opened, arrange groundwater to sump pit 1 in, realize intelligent drainage, reduce the cost of labor, can automatic drainage anti-floating. The electric valve 8 can also be operated manually, and an operator manually opens the electric valve 8 to drain water according to the requirement. The drain 5 has been seted up to the bottommost of vertical inlet tube, is greater than the characteristics of water gravity according to earth gravity, can make the earth that permeates to in the aqueduct 4 discharge from drain 5, reduces the silt volume that gets into horizontal pipe and vertical drain pipe, effectively prevents the pipe blockage.

Set up drain pipe 3 into the type of falling the U, be convenient for install hydrostatic pressure test element 7 and electric valve 8, fall the use of U type structure and vertical inlet tube cooperation drain 5 simultaneously, reducible silt that gets into the horizontal pipe, vertical drain pipe can make silt in time discharge again, and then plays the effect that prevents drain pipe 3 and blockked up by silt.

Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the utility model, and that, although the utility model has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the utility model as defined by the appended claims.

Claims (6)

1. The utility model provides an anti pressure relief system that floats which characterized in that: comprises a water collecting pit (1) arranged outdoors, an inverted U-shaped drain pipe (3), a water guide pipe (4) and a controller (9); the inverted U-shaped drain pipe (3) comprises a vertical water inlet pipe, a horizontal pipe and a vertical drain pipe which are sequentially communicated; the water guide pipe (4) is communicated with the vertical water inlet pipe; a mechanical water pressure meter (6) is arranged on the vertical water inlet pipe; the horizontal pipe is sequentially provided with a hydrostatic pressure testing element (7) and an electric valve (8) along the drainage direction; a filter layer is arranged between the pit wall of the water collecting pit and outdoor foundation soil, and the inlet end of the water guide pipe (4) is embedded in the filter layer; the hydrostatic pressure testing element (7) and the electric valve (8) are electrically connected with the controller (9).

2. The anti-floating pressure relief system according to claim 1, wherein: and a sewage draining outlet (5) is formed at the bottommost end of the vertical water inlet pipe.

3. An anti-float pressure relief system according to claim 1 or 2, wherein: the filter layer is arranged between the outdoor foundation soil and the foundation soil of the water collecting pit and comprises a geotextile (14), a metal protective layer (13), a sand filter layer (12) and a gravel layer (11); the geotechnical cloth (14), the metal protective layer (13) and the sand filtering layer (12) are sequentially arranged, and the gravel layer (11) is arranged in the foundation soil of the water collecting pit; and a filtering pipe network (10) is embedded in the gravel layer (11), and a water inlet of the water guide pipe (4) is communicated with the filtering pipe network (10).

4. The anti-floating pressure relief system according to claim 1, wherein: the control mode of the electric valve (8) is an automatic control mode or a manual control mode.

5. The anti-floating pressure relief system according to claim 4, wherein: in the automatic control mode, the controller (9) reads the water pressure measured by the hydrostatic pressure test element (7) to judge whether the basement water pressure exceeds the basement water head threshold value or not, and the electric valve (8) is controlled to discharge water and release pressure.

6. The anti-floating pressure relief system according to claim 4, wherein: the manual control mode is used for manually controlling the electric valve (8) to discharge water and release pressure.

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