CN211690357U

CN211690357U - Foundation ditch waterproof support retaining wall

Info

Publication number: CN211690357U
Application number: CN201922060070.7U
Authority: CN
Inventors: 肖登峰; 彭湃; 闵华峰
Original assignee: Hubei Edong Pile Foundation Engineering Co ltd
Current assignee: Hubei Edong Pile Foundation Engineering Co ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-10-16
Anticipated expiration: 2029-11-22

Abstract

The utility model discloses a retaining wall is strutted to foundation ditch water proof has solved the problem that the retaining wall produced the infiltration phenomenon when strutting in the prior art foundation ditch, and its technical essential is: the utility model provides a waterproof retaining wall that struts of foundation ditch, is in including setting up concrete foundation, the setting in the foundation ditch bottom concrete foundation top and with the subsides of foundation ditch lateral wall soil horizon touching the wall and set up concrete foundation top and be on a parallel with the wall of wall, the wall of wall with it forms the water catch bowl to leave to be equipped with the interval between the wall of. Through the scheme, the water seepage channel which is arranged on the retaining wall of the water seepage accessible in the soil layer flows into the water collecting tank formed between the clay wall and the waterproof wall as well as the concrete foundation, and then when the water seepage into the foundation pit is avoided, the subsequent accumulated water in the water collecting tank can be transferred, so that the internal construction of the foundation pit can be smoothly carried out.

Description

Foundation ditch waterproof support retaining wall

Technical Field

The utility model belongs to the technical field of the technique of foundation construction and specifically relates to a waterproof retaining wall that struts of foundation ditch.

Background

The gravity type retaining wall is a commonly used retaining wall in China, can be built by stone or concrete and is generally made into a simple trapezoid, and the self gravity of the retaining wall is used for maintaining the stability of the retaining wall under the action of soil pressure.

A Chinese patent with an authorization publication number of CN106351253 for a foundation pit waterproof supporting retaining wall discloses a retaining wall, which comprises a concrete wall body provided with a steel reinforcement framework, wherein water drainage holes are distributed on the concrete wall body, the bottom of the concrete wall body is provided with a base which is integrally cast with the concrete wall body, a stacking block layer is arranged on the upstream surface of the concrete wall body, and a clay layer with low water permeability is arranged between the stacking block layer and the concrete wall body; and the back of the concrete wall body is provided with an inverted filter layer.

Above-mentioned retaining wall need be at ground excavation foundation ditch when the foundation construction is used, but when some earth's surfaces are more moist, can appear the infiltration phenomenon of large tracts of land in the side slope of foundation ditch, this moment the infiltration flows into in the foundation ditch along the outlet, causes to remain a large amount of ponding in the foundation ditch, influences workman's construction, remains to improve.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a can effectively reduce foundation ditch water-proof support retaining wall of foundation ditch soil horizon infiltration foundation ditch.

The utility model discloses a can realize through following technical scheme:

the utility model provides a waterproof retaining wall that struts of foundation ditch, is in including setting up concrete foundation, the setting in the foundation ditch bottom concrete foundation top and with the subsides of foundation ditch lateral wall soil horizon touching the wall and set up concrete foundation top and be on a parallel with the wall of wall, the wall of wall with it forms the water catch bowl to leave to be equipped with the interval between the wall of.

Through adopting above-mentioned technical scheme, the wall of the earth in the retaining wall supports foundation ditch lateral wall soil layer and ensures that the foundation ditch is stable when, and the infiltration passageway that the infiltration accessible in the soil horizon was seted up on the retaining wall flows to the catch bowl that forms between wall of earth and waterproof wall and the concrete foundation in, and then when avoiding oozing to the foundation ditch, the follow-up ponding that can be to in the catch bowl shifts, makes the inside construction of foundation ditch go on smoothly.

Further setting the following steps: and a water drainage pipe is arranged in the water collection tank, the bottom end of the water drainage pipe is communicated with the bottom of the water collection tank, and the top of the water drainage pipe is connected with a water pumping device outside the foundation pit.

Through adopting above-mentioned technical scheme, utilize pumping device to see off the water catch bowl with the ponding in the water catch bowl through the drain pipe, and then avoid ponding to accumulate too much in the water catch bowl, in time reduce the holistic bearing resistance to compression of retaining wall.

Further setting the following steps: the concrete foundation top surface between the waterproof wall and the concrete wall is in a V-shaped arrangement with two sides decreasing towards the middle, and the bottom end of the drain pipe is positioned at the bottommost part of the bottom surface of the water collecting tank.

Through adopting above-mentioned technical scheme, make the drain pipe can have the foundation ditch with more taking out the water catch bowl of ponding in the water catch bowl, avoid ponding to remain too much in the water catch bowl.

Further setting the following steps: and a connecting beam is arranged in the water collecting tank, and two ends of the connecting beam are fixedly connected with the waterproof wall and the clay wall respectively.

Through adopting above-mentioned technical scheme, utilize the tie-beam to make the bulkhead be connected with the wall, and then the bulkhead can further support the retaining to the wall when sheltering from the infiltration of water catch bowl, promotes the strut compressive capacity of wall.

Further setting the following steps: the infiltration passageway is in the infiltration passageway is from the one end slope setting downwards that is close to foundation ditch lateral wall soil layer.

Through adopting above-mentioned technical scheme, make the intraformational moisture of foundation ditch soil pass the wall that pastes the soil and stretch into the water catch bowl in can be very fast, realize reducing the whole pressure of foundation ditch soil layer to the wall that pastes the soil fast, and then make the retaining wall whole when strutting the foundation ditch more stable.

Further setting the following steps: and a filter screen is arranged on the pipe orifice of the side wall soil layer of the foundation pit, which is attached to and contacted with the soil wall.

Through adopting above-mentioned technical scheme, utilize the filter screen to avoid the earth in the foundation ditch lateral wall soil layer to get into in a large number and cause the jam in the infiltration passageway.

Further setting the following steps: and a reinforcing support plate is poured on the vertical outer wall of the concrete foundation, which is far away from the concrete wall.

By adopting the technical scheme, the supporting capacity of the whole retaining wall on the side wall of the foundation pit is further improved, and constructors in the foundation pit can carry out construction smoothly.

To sum up, the utility model discloses a beneficial technological effect does: when the retaining wall is used for supporting the foundation pit, water in the soil layer of the side wall of the foundation pit is collected in the water collecting tank after penetrating through the soil-attached wall, accumulated water in the water collecting tank can be discharged through the subsequent drainage pipe and the water pumping device when the water is prevented from penetrating into the foundation pit, and the purpose of effectively reducing the accumulated water in the foundation pit in the retaining wall is achieved.

Drawings

Fig. 1 is a schematic view of a first cross section (the cross section is perpendicular to the retaining wall) of the present invention;

fig. 2 is a schematic diagram of a second cross section (the cross section is parallel to the retaining wall) of the present invention.

Reference numerals: 1. a concrete foundation; 2. pasting a soil wall; 3. a waterproof wall; 4. a water collection tank; 5. a water seepage channel; 6. a filter screen; 7. a drain pipe; 8. a connecting beam; 9. the support plate is reinforced.

Detailed Description

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

Referring to fig. 1, for the utility model discloses a waterproof retaining wall of strutting of foundation ditch, including setting up concrete foundation 1 in the foundation ditch bottom, pour the shaping in concrete foundation 1 top and with the subsides of foundation ditch lateral wall soil layer subsides the concrete wall 2 that touches, and pour the concrete wall 3 that is in concrete foundation 1 top and is on a parallel with the concrete wall 2 equally, it forms water catch bowl 4 to remain to be equipped with the interval between concrete wall 3 and the concrete wall 2, run through simultaneously on the concrete wall 2 and seted up a plurality of infiltration passageways 5, infiltration passageway 5 communicates with water catch bowl 4 with the subsides wall 2 one side at foundation ditch lateral wall soil layer place, and infiltration passageway 5 is from the slope setting of the one end downwardly extending gradually that is close to foundation ditch lateral wall soil layer. And then make the intraformational moisture accessible infiltration passageway 5 of foundation ditch soil ooze to the water catch bowl 4 in, for preventing the infiltration in-process, the soil layer of foundation ditch is gushed a large amount of infiltration passageways 5, causes infiltration passageways 5 to block up, is provided with filter screen 6 at the one end that infiltration passageways 5 are close to foundation ditch lateral wall soil layer.

Referring to fig. 2, the top surface of the concrete foundation 1 between the waterproof wall 3 and the concrete wall 2 is arranged in a V shape with two sides decreasing toward the middle, so that water permeating into the water collection tank 4 from the foundation pit soil layer can be firstly collected at the bottommost part of the water collection tank 4. And for making the ponding that collects in water catch bowl 4 can discharge the foundation ditch, be provided with the drain pipe 7 of installing on the outer wall of bulkhead 3 in the water catch bowl 4, the top is connected with pumping device (not shown in the figure) outside the foundation ditch when drain pipe 7 extends along vertical direction, and the bottom then extends to the bottommost of water catch bowl 4, and then can in time discharge the ponding in the water catch bowl 4, avoids ponding surplus too much in water catch bowl 4.

Referring to fig. 1, a connection beam 8 connected to the waterproof wall 3 and the soil-covered wall 2 in a pouring manner is disposed in the water collection tank 4 between the waterproof wall 3 and the soil-covered wall 2, and the connection beam 8 is horizontally disposed. Utilize tie-beam 8 to make the waterproof wall 3 be connected with the wall 2, and then the waterproof wall 3 can further support the wall 2 and keep out when sheltering from infiltration in the water catch bowl 4, promotes the strut compressive capacity of wall 2. Meanwhile, a reinforcing support plate 9 is poured on the vertical outer wall of the concrete foundation 1 far away from the concrete wall 2, so that the supporting capacity of the whole retaining wall on the side wall of the foundation pit is further improved, and constructors in the foundation pit can carry out construction smoothly.

The working principle and the beneficial effects of the embodiment are as follows: when the earth retaining wall 2 of retaining wall supports foundation ditch lateral wall soil layer and ensures that the foundation ditch is stable, infiltration passage 5 that the infiltration accessible retaining wall in the soil horizon was seted up flows to in the water catch bowl 4 that forms between earth retaining wall 2 and waterproof wall 3 and the concrete foundation 1, and then when avoiding oozing to in the foundation ditch, follow-up usable drain pipe 7 and pumping device shift the ponding in the water catch bowl 4, make the inside construction of foundation ditch go on smoothly.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a waterproof supporting retaining wall of foundation ditch which characterized in that: concrete foundation (1), setting including setting up in the foundation ditch bottom are in concrete foundation (1) top and with foundation ditch lateral wall soil horizon subsides the wall (2) that touch and set up and be in concrete foundation (1) top and be on a parallel with the bulkhead (3) of wall (2), bulkhead (3) with it forms water catch bowl (4) to stay to be equipped with the interval between wall (2), run through on wall (2) and seted up a plurality of infiltration passageways (5).

2. A retaining wall for waterproofing and supporting a foundation pit according to claim 1, wherein: a water drainage pipe (7) is arranged in the water collection tank (4), the bottom end of the water drainage pipe (7) is communicated with the bottom of the water collection tank (4), and the top of the water drainage pipe (7) is connected with a water pumping device outside the foundation pit.

3. A retaining wall for waterproofing and supporting a foundation pit according to claim 2, wherein: the concrete foundation (1) is characterized in that the top surfaces of the waterproof walls (3) and the concrete wall (2) are arranged in a V shape, the V shape is reduced from two sides to the middle, and the bottom end of the drain pipe (7) is located at the bottommost part of the bottom surface of the water collecting tank (4).

4. A retaining wall for waterproofing and supporting a foundation pit according to claim 1, wherein: and a connecting beam (8) with two ends respectively fixedly connected with the waterproof wall (3) and the clay wall (2) is arranged in the water collecting tank (4).

5. A retaining wall for waterproofing and supporting a foundation pit according to claim 1, wherein: infiltration passageway (5) are the slope setting that gradually downwardly extending from the one end that is close to foundation ditch lateral wall soil layer.

6. A retaining wall for waterproofing and supporting foundation pit according to claim 5, wherein: one side of the soil sticking wall (2) is stuck to and contacted with the soil layer on the side wall of the foundation pit, and a filter screen (6) is arranged on the pipe orifice of the water seepage channel (5).

7. A retaining wall for waterproofing and supporting a foundation pit according to claim 1, wherein: and a reinforcing support plate (9) is poured on the vertical outer wall of the concrete foundation (1) far away from the concrete wall (2).