CN111287189A

CN111287189A - Anti-seepage type building foundation pit and construction method thereof

Info

Publication number: CN111287189A
Application number: CN201811498711.0A
Authority: CN
Inventors: 于连胜; 陈越奇; 王飞龙; 高贤江
Original assignee: Tianjin Haotian Building Engineering Co ltd
Current assignee: Tianjin Haotian Building Engineering Co ltd
Priority date: 2018-12-08
Filing date: 2018-12-08
Publication date: 2020-06-16
Anticipated expiration: 2038-12-08
Also published as: CN111287189B

Abstract

The invention discloses an anti-seepage type building foundation pit and a construction method thereof, belonging to the technical field of building construction, wherein when the depth of the foundation pit is deeper, the bottom of the foundation pit is closer to underground water, so that the phenomenon of water seepage at the bottom of the foundation pit is easy to occur, and the technical problem of influencing the whole construction process is solved; the seepage-proofing board has set gradually layer, supporting layer and the articulamentum that absorbs water from inside to outside, and the diversion hole has been seted up to the articulamentum, and the diversion hole is connected to the layer that absorbs water, reaches the effect that prevents the bottom of a pit seepage phenomenon.

Description

Anti-seepage type building foundation pit and construction method thereof

Technical Field

The invention relates to the field of building construction, in particular to an anti-seepage type building foundation pit and a construction method thereof.

Background

With the progress of science and technology, the height of buildings is promoted to be higher and higher due to more and more use spaces required by people, and the building requirements of the building industry are increased.

In the building construction process, firstly, a building foundation pit is constructed, and the foundation pit is mainly used for placing a building bearing platform; when the height of a building to be constructed is higher, the required volume of a bearing platform is larger, the depth of an initially established building foundation pit is deeper, and the subsequent building is guaranteed to have better use stability in the use process.

The above prior art solutions have the following drawbacks: when the depth of the foundation pit is deep, the bottom of the foundation pit is close to underground water, so that the water seepage phenomenon at the bottom of the foundation pit is easy to occur, and the whole construction process is influenced.

Disclosure of Invention

The invention aims to provide an anti-seepage type building foundation pit and a construction method thereof, which achieve the effect of preventing the water seepage phenomenon at the bottom of the pit.

The technical purpose of the invention is realized by the following technical scheme:

the anti-seepage type building foundation pit comprises a foundation pit, wherein a guard fence is arranged on the inner wall of the foundation pit, an anti-seepage plate is arranged at the bottom of the foundation pit, and the area of the anti-seepage plate is equal to that of the bottom wall of the foundation pit; the seepage-proofing plate is sequentially provided with a water absorption layer, a supporting layer and a connecting layer from inside to outside, the connecting layer is provided with a water diversion hole, and the water diversion hole is connected to the water absorption layer.

By adopting the technical scheme, when the anti-seepage plate is used and when the bottom wall of the foundation pit has the water seepage phenomenon, the anti-seepage plate has the same area as the bottom wall of the foundation pit, so that the bottom wall of the foundation pit can be protected in all directions, and the effect of preventing the water seepage phenomenon at the bottom of the pit is achieved preliminarily; the extended water enters the water absorbing layer through the water diversion holes and absorbs the water seeped from the ground, thereby further achieving the effect of preventing the water seepage phenomenon at the bottom of the pit; when the layer that absorbs water absorbs the water that oozes, the supporting layer provides the support to absorbing water layer and articulamentum, guarantees the use that the prevention of seepage board can be stable, and the articulamentum is with prevention of seepage board and cushion cap stable connection, guarantees the result of use.

The invention is further provided with a plurality of water diversion holes.

Through adopting above-mentioned technical scheme, a plurality of diversion hole that sets up can be when the condition of a large amount of infiltration appears, and the quick water guide that will ooze absorbs water in the layer to improved the efficiency of absorbing water of prevention of seepage board, further reached and prevented the effect that the infiltration condition appears at the bottom of the pit.

The invention is further provided that the plurality of water diversion holes are uniformly distributed on each side surface of the anti-seepage plate.

Through adopting above-mentioned technical scheme, the even dispersion of diversion hole is to each side on the back, can carry out comprehensive protection to the bottom of cushion cap, further improvement the result of use of prevention of seepage board to further reached and prevented that the bottom of a pit from appearing the effect of infiltration condition.

The invention is further provided that the position of the anti-seepage plate close to the bottom wall of the foundation pit is fixedly connected with a stabilizing column, and the stabilizing column is inserted into the bottom wall of the foundation pit.

Through adopting above-mentioned technical scheme, the firm post that sets up can carry out further fixed to the relative position of prevention of seepage board and foundation ditch, prevents that the gliding phenomenon from appearing in the in-process of using of prevention of seepage board from having improved the stability in use of prevention of seepage board.

The invention is further arranged that the stabilizing column is fixedly connected with the anti-seepage plate integrally, the stabilizing column has a layer structure which is the same as that of the anti-seepage plate from inside to outside, and the stabilizing column is provided with a water diversion hole which is the same as that of the anti-seepage plate.

Through adopting above-mentioned technical scheme, the layer structure that firm post set up and diversion hole can absorb the inside moisture that contains of foundation ditch diapire to reduce the moisture content in the soil around the foundation ditch, thereby further reached the effect that prevents the infiltration condition from appearing at the bottom of the pit.

The invention is further arranged that the water absorbing layer is made of quicklime.

Through adopting above-mentioned technical scheme, quick lime material has extremely strong water-absorbing capacity to can carry out quick absorption with the water that flows down in the diversion hole, guarantee the result of use on layer that absorbs water, improve the practicality of prevention of seepage board.

The invention is further arranged that the supporting layer is made of aluminum alloy.

By adopting the technical scheme, the aluminum alloy material has better hardness and oxidation resistance, and can be used in underground environment for a long time; secondly, owing to the quick lime is chooseed for use to the material on the layer that absorbs water, the stream water layer can release a large amount of heats at the in-process that absorbs water, and the aluminum alloy pipe material has better heat conductivity, can reduce the moisture near the articulamentum with the heat transfer of poor living to the articulamentum to further reached and prevented the bottom of the pit the effect that the infiltration condition appears.

The invention is further arranged that the connecting layer is made of concrete material, and the edge of the connecting layer is fixedly connected with the enclosure.

By adopting the technical scheme, because the manufacturing material of the protective enclosure is also concrete, the material of the connecting layer is beneficial to the connection of the connecting layer and the side surface of the protective enclosure, thereby simplifying the operation difficulty of workers and improving the convenience of the anti-seepage plate during placement.

A construction method of a seepage-proofing building foundation pit,

selecting the building foundation pit of claim 1, S1: firstly, constructing a guard fence around a foundation pit; s2: excavating a foundation pit; s3: tamping the bottom of the foundation pit; s4: completely inserting the stabilizing rod of the anti-seepage plate into the bottom wall of the foundation pit; s5: fixedly connecting the connecting layer with the enclosure; s6: sticking a waterproof coiled material on the side wall of the guard fence facing the foundation pit;

by adopting the technical scheme, when construction is carried out, the waterproof coiled material, the anti-seepage plate and the guard fence are matched for use, so that the interior of the foundation pit can be protected in an all-around manner, the water seepage phenomenon in the foundation pit is further reduced, and the effect of preventing the water seepage condition at the bottom of the pit is achieved; the quality of the foundation pit and the use safety of the foundation pit are ensured.

In conclusion, the invention has the following beneficial effects:

1. the water absorption layer, the supporting layer and the protective layer are matched to achieve the effect of preventing the water seepage at the bottom of the pit;

2. the stability post and the cooperation of diversion hole use improved the stability in use of prevention of seepage board.

Drawings

FIG. 1 is a schematic structural diagram of a watertight type building foundation pit;

fig. 2 is a schematic sectional view for showing the impermeable plate.

In the figure, 1, a foundation pit; 2. protecting the enclosure; 3. an impermeable plate; 31. a water-absorbing layer; 32. a support layer; 33. a connecting layer; 4. a stabilizing column; 5. a water diversion hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1:

an anti-seepage type building foundation pit is shown in figure 1 and comprises a rectangular foundation pit 1, wherein a guard fence 2 made of concrete is arranged on the side wall inside the foundation pit 1.

As shown in fig. 2, an anti-seepage plate 3 is arranged at the bottom inside the foundation pit 1, the area of the anti-seepage plate 3 is equal to that of the bottom wall of the foundation pit 1, a plurality of cylindrical stabilizing columns 4 are fixedly connected to the positions, close to the bottom wall of the foundation pit 1, of the anti-seepage plate 3, each stabilizing column 4 is fixedly connected with the anti-seepage plate 3 integrally, the stabilizing columns 4 and the anti-seepage plate 3 have the same layer structure, and the stabilizing columns 4 are inserted into the bottom wall of the foundation pit 1; seepage-proofing board 3 has set gradually from inside to outside and has chooseed the layer 31 that absorbs water that the quicklime material was made, the supporting layer 32 that the aluminum alloy material was made and the articulamentum 33 that the concrete material was made, the edge and the integrative rigid coupling of fender 2 of articulamentum 33, a plurality of diversion hole 5 has been seted up to articulamentum 33, a plurality of diversion hole 5 evenly distributed is on every side of seepage-proofing board 3, diversion hole 5 is equal even array on the circumference lateral wall of firm post 4, diversion hole 5's being connected to the layer 31 that absorbs water.

The implementation principle of the invention is as follows: when the anti-seepage plate is used, a worker firstly excavates the foundation pit 1, and then inserts the stabilizing rod of the anti-seepage plate 3 into the bottom of the foundation pit 1 to keep the anti-seepage plate 3 in a fixed state.

The tie layer 33 of prevention of seepage board 3 melts through the heating with the lateral wall of protecting and enclosing 2, part tie layer 33 and protect and enclose 2 and combine together and accomplish fixed connection through the cooling again, further assurance prevention of seepage board 3's result of use, when the condition of infiltration appears in foundation ditch 1, the water that oozes enters into through diversion hole 5 and absorbs water in the layer 31, absorbed by the layer 31 that absorbs water, the layer 31 that absorbs water gives out the heat after absorbing water, the heat that gives out with the steam evaporation to dryness near tie layer 33 and the barrier, firm post 4 prevents the moisture of the 1 diapire depths of foundation ditch. In conclusion, through the steps, the effect of preventing the water seepage condition at the bottom of the pit is achieved.

Example 2:

an impermeable building foundation pit construction method, wherein the building foundation pit 1 of claim 1 is selected: s1: firstly, constructing a guard fence 2 around a foundation pit 1; s2: excavating a foundation pit 1; s3: tamping the bottom of the foundation pit 1; s4: the stabilizing rod of the anti-seepage plate 3 is completely inserted into the bottom wall of the foundation pit 1; s5: fixedly connecting the connecting layer 33 with the enclosure 2; s6: adhering a waterproof coiled material to the side wall of the guard fence 2 facing the foundation pit 1;

the embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides an anti-seepage type building foundation ditch, includes foundation ditch (1), and foundation ditch (1) inner wall is provided with and protects encloses (2), its characterized in that: an anti-seepage plate (3) is arranged at the bottom of the foundation pit (1), and the area of the anti-seepage plate (3) is equal to that of the bottom wall of the foundation pit (1); the anti-seepage plate (3) is sequentially provided with a water absorbing layer (31), a supporting layer (32) and a connecting layer (33) from inside to outside, the connecting layer (33) is provided with a water diversion hole (5), and the water diversion hole (5) is connected to the water absorbing layer (31).

2. The impermeable type building foundation pit according to claim 1, wherein: the water diversion holes (5) are provided with a plurality of water diversion holes.

3. The impermeable water type building foundation pit according to claim 2, wherein: the plurality of water diversion holes (5) are uniformly distributed on each side surface of the anti-seepage plate (3).

4. The impermeable type building foundation pit according to claim 1, wherein: the position, close to the bottom wall of the foundation pit (1), of the anti-seepage plate (3) is fixedly connected with a stabilizing column (4), and the stabilizing column (4) is inserted into the bottom wall of the foundation pit (1).

5. The impermeable water type building foundation pit according to claim 4, wherein: the stabilizing column (4) is fixedly connected with the anti-seepage plate (3) in an integrated manner, the stabilizing column (4) has a layer structure which is the same as that of the anti-seepage plate (3) from inside to outside, and the stabilizing column (4) is provided with a water diversion hole (5) which is the same as that of the anti-seepage plate (3).

6. The impermeable type building foundation pit according to claim 1, wherein: the water absorbing layer (31) is made of quicklime.

7. The impermeable water type building foundation pit according to claim 6, wherein: the supporting layer (32) is made of an aluminum alloy material.

8. The impermeable type building foundation pit according to claim 1, wherein: the connecting layer (33) is made of concrete, and the edge of the connecting layer (33) is fixedly connected with the enclosure (2) integrally.

9. The construction method of the anti-seepage type building foundation pit is characterized by comprising the following steps: selecting the building foundation pit (1) of claim 1; s1: firstly, constructing a guard fence (2) around a foundation pit (1); s2: excavating a foundation pit (1); s3: tamping the bottom of the foundation pit (1); s4: completely inserting the stabilizing rod of the anti-seepage plate (3) into the bottom wall of the foundation pit (1); s5: fixedly connecting the connecting layer (33) with the enclosure (2); s6: and adhering waterproof coiled materials to the side wall of the guard fence (2) facing the foundation pit (1).