CN217896589U

CN217896589U - Simple anti-floating drainage device for enriching underground water area

Info

Publication number: CN217896589U
Application number: CN202222139382.9U
Authority: CN
Inventors: 朱世林; 曾祥勇; 白文胜; 罗庆伟; 代家豪
Original assignee: Guizhou Architectural Design & Research Institute Co ltd
Current assignee: Guizhou Architectural Design & Research Institute Co ltd
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2022-11-25
Anticipated expiration: 2032-08-15

Abstract

The utility model discloses a simple anti-floating and anti-draining device for an abundant groundwater area, which comprises a foundation slab and a concrete cushion layer which are arranged on a soil layer of the abundant groundwater area from top to bottom in sequence; the soil layer is internally provided with a plurality of pile holes, the pile holes are internally provided with anti-floating piles, a plurality of small water seepage holes are formed in the pile bodies of the anti-floating piles, the top ends of the anti-floating piles are connected with drain pipes, and the drain pipes are provided with pressure relief valves of which the pressure is lower than the buoyancy of the foundation slab. The underground water in the soil layer is gathered into the anti-floating pile, and when the pressure of the water in the pile exceeds the pressure of the pressure release valve, the valve switch is opened, so that the accumulated water in the pile can be discharged from the drainage pipe; because the pressure relief pressure of the pressure relief valve is lower than that of the foundation slab, the upper structure of the soil layer can be prevented from being impacted by the buoyancy of underground water to be small, and the structure safety is ensured. The utility model discloses simple structure, use low cost, simple to operate can realize that the automation of rich water district groundwater is floated and is let out, and drainage effect is good, and the practicality is strong.

Description

Simple anti-floating drainage device for enriching underground water area

Technical Field

The utility model relates to a simple and easy anti drainage device that floats for richening groundwater district belongs to construction technical field.

Background

In underground building structures such as underground garages, underground water pools, underground shopping malls, underground pump rooms and the like with abundant underground water areas, due to the reason that underground water is high in abundant water level, for example, the underground water level is higher than a foundation bottom plate, the foundation is soaked in the underground water for a long time to cause the cracking of the foundation bottom plate, when the dead load (including the dead load of the upper building structure) of the underground building structures is not enough to resist the buoyancy of the underground water, the floating phenomenon of the whole or local underground building structures is often generated, so that underground walls, columns or bottom plates are cracked, or the underground structures are inclined, the normal use and the structural safety are directly damaged, and the underground water permeates into the basement to cause economic loss and quality accidents.

The existing anti-floating device is provided with an anti-floating anchor rod and an anti-floating pile structure, the anti-floating device adopts self weight to carry out anti-floating, and most of the anti-floating device is high in construction cost and long in construction period in actual use; the grouting pipe is adopted to converge low water into the pipe and then perform drainage operation, but in order to ensure good pressure resistance, the pile body wall is thick, the weight is high, the processing cost is high, and the upper hole of the grouting pipe is easily blocked by silt after long-term use, so that the anti-floating effect is influenced.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a simple and easy anti-floating drain device for richening groundwater zone can overcome prior art's not enough.

The utility model aims at realizing through the following technical scheme:

a simple anti-floating and anti-draining device for an abundant groundwater area comprises a foundation slab and a concrete cushion layer which are sequentially arranged on a soil layer of the abundant groundwater area from top to bottom; a plurality of pile holes are formed in the soil layer, anti-floating piles are arranged in the pile holes, the bottom ends of the anti-floating piles penetrate into the water-rich area of the soil layer, and the upper ends of the anti-floating piles are fixedly connected with the foundation slab through steel sleeves; a plurality of small water seepage holes are formed in the anti-floating pile body, the top end of the anti-floating pile is connected with a drain pipe, and a pressure release valve with pressure lower than buoyancy of the foundation bottom plate is arranged on the drain pipe.

And a protection and filtration structure is arranged on the outer side of the anti-floating pile.

The protection and filtration structure comprises a protection cylinder body formed by enclosing of steel bars or steel nets, and a filtration gauze or filtration cloth is covered on the protection cylinder body.

The water outlet end of the drain pipe is connected with a treatment water tank.

The treatment water tank comprises a deposition filtering tank and a storage tank which are separated by a partition wall, and the upper part of the partition wall is an overflow port communicated with the deposition filtering tank and the storage tank.

Compared with the prior art, the utility model discloses a simple anti-floating and anti-draining device for the abundant groundwater area, which comprises a base bottom plate and a concrete cushion layer which are arranged on the soil layer of the abundant groundwater area from top to bottom in sequence; the soil layer is internally provided with a plurality of pile holes, the pile holes are internally provided with anti-floating piles, a plurality of small water seepage holes are formed in the pile bodies of the anti-floating piles, the top ends of the anti-floating piles are connected with drain pipes, and the drain pipes are provided with pressure relief valves of which the pressure is lower than the buoyancy of the foundation slab. The underground water in the soil layer is gathered into the anti-floating pile, and when the pressure of the water in the pile exceeds the pressure of the pressure release valve, the valve switch is opened, so that the accumulated water in the pile can be discharged from the drainage pipe; because the pressure relief pressure of the pressure relief valve is lower than that of the foundation slab, the upper structure of the soil layer can be prevented from being impacted by the buoyancy of underground water to be small, and the structure safety is ensured. In addition, the protection and filtering structure is arranged on the outer side of the anti-floating pile, so that the anti-floating pile can be subjected to compression protection, the wall thickness of the anti-sliding pile body can be reduced, and the use cost is saved; meanwhile, underground water is filtered before entering the anti-floating pile, so that the pore diameter of the small water seepage holes in the anti-floating pile body can be increased, the blockage of the small water seepage holes can be avoided, and the drainage effect is better.

The utility model has the advantages that:

the utility model discloses simple structure, use low cost, simple to operate can realize that the automation of rich water district groundwater is floated and is let out, and drainage effect is good, realizes effectively protecting the superstructure on soil layer, and the practicality is strong.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention will be realized and attained by the specification which follows.

Drawings

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings, in which:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of a protection and filtration structure.

Detailed Description

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the preferred embodiments are for purposes of illustration only and are not intended to limit the scope of the present invention.

As shown in fig. 1-2, a simple anti-floating and anti-draining device for a rich groundwater zone comprises a foundation slab 1 and a concrete cushion 2 which are sequentially arranged on a soil layer 3 of the rich groundwater zone from top to bottom; a plurality of pile holes are formed in the soil layer 3, anti-floating piles 4 are arranged in the pile holes, the bottom ends of the anti-floating piles 4 penetrate into the water-rich area of the soil layer 3, and the upper ends of the anti-floating piles are fixedly connected with the foundation slab 1 through steel sleeves 7; a plurality of small water seepage holes are formed in the pile body of the anti-floating pile 4, the top end of the anti-floating pile 4 is connected with a drain pipe 5, and a pressure release valve 6 with pressure lower than buoyancy of the foundation slab 1 is arranged on the drain pipe 5. The underground water in the soil layer 3 is gathered into the anti-floating pile 4, and when the pressure of the water in the pile exceeds the pressure of the pressure release valve 6, the valve switch is opened, so that the accumulated water in the pile can be discharged from the water discharge pipe 5; the pressure relief valve 6 is used for relieving pressure, is lower than the pressure relief pressure of the foundation slab 1, can protect the foundation slab, avoids the foundation slab from being impacted by the buoyancy of underground water, and ensures the safety of the structure.

And a protection and filtration structure 9 is arranged outside the anti-floating pile.

The protection and filtration structure 9 comprises a protection cylinder 901 surrounded by steel bars or steel nets, and a filter gauze or filter cloth 902 is covered on the protection cylinder 901. The protective cylinder 901 is sleeved outside the anti-floating pile 4 and can be subjected to compression protection, so that the wall thickness of the anti-sliding pile body can be reduced, and the use cost is saved; meanwhile, effective filtration is carried out through the filter gauze or the filter cloth 902, the aperture of the small water seepage holes in the anti-floating pile body can be increased, the drainage effect is better, meanwhile, blockage is not easy to occur, and the drainage smoothness is good.

The water outlet end of the drain pipe 5 is connected with a treatment water tank 10. Can realize the recovery of underground water and is used for irrigation, cleaning and other operations.

The treatment water tank 10 comprises a sedimentation filter tank 1001 and a storage tank 1002 which are separated by a partition 1003, and the upper part of the partition 1003 is an overflow port communicated with the two. The groundwater is discharged from the water discharge pipe 5, sedimented and filtered in the sedimentary filter pool 1001, and then enters the storage pool 1002 from the overflow port. Through the sedimentation filtering ponds 1001 who is equipped with, make the clearance operation in treatment water pond later stage mainly concentrate on in sedimentation filtering ponds 1001, labour saving and time saving more.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention to be classified in any form, and any simple modification, equivalent change and modification made by the technical essence of the present invention to the above embodiments are not departing from the technical solution of the present invention.

Claims

1. A simple anti-floating and anti-draining device for a rich underground water area comprises a foundation slab (1) and a concrete cushion (2) which are sequentially arranged on a soil layer (3) of the rich underground water area from top to bottom; the method is characterized in that: a plurality of pile holes are formed in the soil layer (3), anti-floating piles (4) are arranged in the pile holes, the bottom ends of the anti-floating piles (4) penetrate into the water-rich area of the soil layer (3), and the upper ends of the anti-floating piles are fixedly connected with the foundation slab (1) through steel sleeves (7); a plurality of water seepage small holes are formed in the pile body of the anti-floating pile (4), the top end of the anti-floating pile (4) is connected with a drain pipe (5), and a pressure release valve (6) with pressure lower than the buoyancy force of the foundation bottom plate (1) is arranged on the drain pipe (5).

2. The simple anti-floating drain apparatus for enriching groundwater zone according to claim 1, wherein: a protection and filtration structure (9) is arranged at the outer side of the anti-floating pile (4).

3. The simple anti-floating drain device for abundant groundwater zone of claim 2, wherein: the protection and filtration structure (9) comprises a protection cylinder body (901) formed by enclosing reinforcing steel bars or steel nets, and a filtration gauze or filtration cloth (902) is covered on the protection cylinder body (901).

4. The simple anti-floating and anti-draining device for enriched groundwater zone according to any of claims 1-3, wherein: the water outlet end of the drain pipe (5) is connected with a treatment water tank (10).

5. The simple anti-floating drain device for enriched groundwater zone as claimed in claim 4, wherein: the treatment water tank (10) comprises a sedimentation filtering tank (1001) and a storage tank (1002), the sedimentation filtering tank and the storage tank are separated by a partition wall (1003), and the upper part of the partition wall (1003) is an overflow port communicated with the partition wall and the storage tank.