CN212534201U

CN212534201U - Hydraulic engineering retaining wall drainage structures

Info

Publication number: CN212534201U
Application number: CN202020820960.3U
Authority: CN
Inventors: 朱剑峰; 章佩; 蒋雷
Original assignee: Hangzhou Huashen Construction Co ltd
Current assignee: Hangzhou Huashen Construction Co ltd
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2021-02-12
Anticipated expiration: 2030-05-15

Abstract

The utility model relates to a hydraulic engineering retaining wall drainage structures, it includes the wall side contact surface of water and the wall body of wall back of the body department contact soil, locate the drainage mechanism that is close to wall department in the wall body, several drainage hole has evenly been seted up in the wall back of the body department of wall, the drainage hole evenly sets up several rows in the wall back of the body different height department of wall, the geotechnological cloth of the wall back of the body of laminating in the wall back of the body has been laid to the wall back of the body department, the wall body lower part is equipped with and communicates in drainage hole and inside hollow water drainage tank piece, the water drainage tank piece is equipped with and can in time discharges the initiative drainage mechanism of ponding among self, possess and in time discharge the unnecessary ponding of wall body wall back of the body department, avoid the wall body to bear the effect of the too.

Description

Hydraulic engineering retaining wall drainage structures

Technical Field

The utility model belongs to the technical field of the technique of retaining wall structure and specifically relates to a hydraulic engineering retaining wall drainage structures is related to.

Background

Retaining wall has comparatively extensive application at hydraulic engineering, for example, builds the floodgate station at the river crossing, all can set up retaining wall in floodgate station water inlet and delivery port both sides, can avoid rivers to the washing away of soil layer on the one hand, and on the other hand also can avoid floodgate station water inlet or delivery port both sides soil landing to pile up the water inlet and the normal water of delivery port influence floodgate station to cross, and retaining wall is in the wall one side that blocks soil in-process and rivers contact. Among rivers can permeate the retaining wall with being difficult to avoid, if there is ponding to accumulate not discharge among the retaining wall for a long time, will cause great influence to the structural strength of retaining wall, there can be a large amount of ponding in wall back one side that retaining wall and soil contacted simultaneously, if can not in time discharge the ponding in the soil in time, will make the retaining wall bear too big hydrostatic pressure, for this reason, the retaining wall of water works need have one kind can in time with the water exhaust drainage structures.

The existing water conservancy project retaining wall drainage structure is provided with a CN208815559U bulletin number and comprises a foundation, a drainage ditch is arranged on the right side of the upper end of the foundation, a greening layer is tightly attached to the upper end of a first reinforcing layer, a buffer board is arranged at the left end of an impact board, a first pipeline is arranged at the inner part of a weaving layer in an equidistant penetrating manner, a second pipeline is arranged at the lower end of a water absorbing layer, a lower connecting block is connected to the lower side of the left end of the water absorbing layer, a third pipeline is fixedly connected to the middle of the upper end of the foundation, a fixing plate block is fixedly connected to the left end of the second reinforcing layer, a drainage pipeline is connected to the lower end of a fourth pipeline, a third reinforcing layer is fixedly connected to the left side of the fixing plate block, and a second water outlet hole is.

The above prior art solutions have the following drawbacks: when ponding in the soil to third back up coat side is more, ponding is difficult to in time discharge for soil can cause great hydrostatic pressure to retaining wall whole, is unfavorable for retaining wall's stability.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide a hydraulic engineering retaining wall drainage structures, it has ponding in the soil of can in time discharging, guarantees the stable effect of wall body.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a hydraulic engineering retaining wall drainage structures, includes that the wall is the slope and contacts the surface of water and wall back of the body department contact soil's wall, locate in the wall be close to wall department and can be with the drainage mechanism in the infiltration wall body, several drainage hole has evenly been seted up in the wall back of the body department, and the drainage hole evenly sets up several rows in the wall back of the body different height department, and the wall back of the body department is equipped with geotechnological cloth, and the wall body lower part is equipped with and communicates in drainage hole and inside hollow water drainage tank piece, and the water drainage tank piece is equipped with can in time carry out the initiative drainage mechanism of discharge with ponding among self.

Through adopting above-mentioned technical scheme, during ponding permeable geotechnological cloth entered into the ponding hole in the soil, discharge among the reentrant drainage tank piece, avoid the wall body to bear and come from too big hydrostatic pressure in the soil, be unfavorable for the stability of wall body self, also can make simultaneously can not save too much ponding in the soil, it is comparatively normal to guarantee that the soil normal ecological environment flows, the normal ecological environment of soil is difficult for receiving the destruction, locate the drainage tank piece of wall body bottom when effectively discharging soil ponding and river infiltration that will get into in the wall body, can also make the installation location of wall body obtain a comparatively stable effect.

The present invention may be further configured in a preferred embodiment as: the active drainage mechanism comprises a water storage tank and a drainage pump, wherein the water storage tank is communicated with one end, far away from the wall body, of the water outlet tank block and can temporarily store accumulated water, and the drainage pump is communicated with the water storage tank.

Through adopting above-mentioned technical scheme, under the gravity flow effect of water self, with water storage entering to the water storage box among, accessible drain pump discharges the water in the water storage box after the certain time interval, ensures that the water among the wall body can in time discharge, can not save among the wall body, also need not open the drain pump all the time simultaneously and carry out the drainage work.

The present invention may be further configured in a preferred embodiment as: the drainage and seepage mechanism comprises drainage and seepage water channels which are arranged in the wall body along the length direction of the wall body and are communicated with the drainage channel blocks at the bottoms, and a plurality of rows of water diversion holes which are uniformly arranged on the inner wall of the drainage and seepage water channels and are inclined, wherein the inner wall of the drainage and seepage water channels facing the wall surface side of the wall body is parallel to the wall surface of the wall body, and the arrangement direction of the water diversion holes is vertical to the wall surface side of the wall body.

Through adopting above-mentioned technical scheme, the inlet can guide the infiltration to get into the water among the wall body and discharge among the drainage channel piece that flows again among the drainage channel, and the inlet can avoid the infiltration wall body at will simultaneously, and when the infiltration permeated to the inlet, the infiltration just can flow along the inlet, reduces the infiltration to the destruction of wall structure's integrality.

The present invention may be further configured in a preferred embodiment as: the downthehole department of drainage water is equipped with the gravel district, and the geotechnological cloth deviates from soil one side is located in the gravel district, and the downthehole steel grid that is equipped with in the gravel district of laminating of drainage water.

Through adopting above-mentioned technical scheme, when ponding passes through geotechnological cloth in the soil, can move the geotechnological strap to removing in the drainage hole for geotechnological cloth has the part sunken, and gravel district butt deviates from one side of soil in geotechnological cloth, makes geotechnological cloth concavity reduce, avoids long-time flowing of ponding in the soil to move great deformation for geotechnological cloth, influences the life of geotechnological cloth then.

The present invention may be further configured in a preferred embodiment as: the central point of the bottom of the drainage tank block is provided with a water outlet communicated with the water storage tank, and the water outlet of the drainage tank block is the lowest point.

Through adopting above-mentioned technical scheme, rivers in the drainage tank piece can be discharged to the delivery port of drainage tank piece at self action of gravity automatic flow down, avoid having more ponding to accumulate among the drainage tank piece, long-term ponding makes the drainage tank piece take place to corrode the destruction easily.

The present invention may be further configured in a preferred embodiment as: the water diversion hole is arranged in the wall body, one side of the water diversion hole, which deviates from the seepage drainage groove, is provided with a water absorption sponge layer which is inclined and is parallel to the wall surface side of the wall body, and the opening of the water diversion hole, which deviates from the seepage drainage groove, is in contact with the water absorption sponge layer.

Through adopting above-mentioned technical scheme for among the infiltration entering wall body, the sponge layer that absorbs water can unify and adsorb, and after the sponge layer that absorbs water holds full water, water can flow into to the diversion hole in the dead weight, further promotes the wall body to the absorption discharge capacity of infiltration, also avoids the infiltration to be located the sponge layer that absorbs water to the wall body simultaneously and is close to soil one side and cause too big destruction, restricts the infiltration in sponge layer one side that absorbs water as far as possible.

The present invention may be further configured in a preferred embodiment as: the wall body is located water absorption sponge layer bottom department and sets up the sponge layer groove to the drainage and seepage basin, and the sponge layer groove inclines towards the drainage and seepage basin.

Through adopting above-mentioned technical scheme, further make the water of accumulating in the sponge layer that absorbs water discharge effectively through sponge layer groove, avoid absorbing water sponge layer bottom to have more ponding to be difficult to in time discharge among the diversion hole.

The present invention may be further configured in a preferred embodiment as: and a geotextile vertical groove for cutting off the accumulated water drainage hole is formed in the wall body, and the geotextile is arranged in the geotextile vertical groove.

Through adopting above-mentioned technical scheme, avoid soil to cause great soil pressure to geotechnological cloth for geotechnological cloth has longer life among the geotechnological cloth vertical slot.

To sum up, the utility model discloses a following at least one useful technological effect:

accumulated water in the soil can penetrate through the geotextile and enter the accumulated water drainage holes, and then enter the drainage groove block for drainage, so that the wall body is prevented from bearing excessive hydrostatic pressure from the soil, the stability of the wall body is not facilitated, meanwhile, excessive accumulated water cannot be accumulated in the soil, the water flow in the soil is ensured to be normal, the normal ecological environment of the soil is not easily damaged, and the drainage groove block arranged at the bottom of the wall body can effectively drain the accumulated water in the soil and the river seepage water entering the wall body and can ensure that the mounting and positioning of the wall body obtain a stable effect;

when ponding passes through geotechnological cloth in the soil, can move the geotechnological strap to removing in the ponding hole for geotechnological cloth has the part sunken, and gravel district butt in the one side that geotechnological cloth deviates from soil, makes geotechnological cloth concavity reduce, avoids long-time flow of ponding in the soil to move great deformation for geotechnological cloth, influences geotechnological cloth's life then.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention in partial section;

fig. 2 is an enlarged view at a in fig. 1.

In the figure, 1, a wall body; 2. drainage holes; 21. geotextile vertical grooves; 3. geotextile; 31. a drainage channel block; 32. a water storage tank; 33. draining pump; 34. a seepage drainage water tank; 35. a water diversion hole; 36. a gravel zone; 37. a steel grid mesh; 38. a water-absorbing sponge layer; 39. sponge layer groove.

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 hydraulic engineering retaining wall drainage structures, be the wall body 1 of slope and contact surface of water including wall department, the wall back of the body department butt of wall 1 in soil, the wall department of wall body 1 installs and to carry out in time exhaust drainage infiltration mechanism with the infiltration in the infiltration wall body 1, and the wall back of the body department of wall body 1 evenly sets up several rows along self direction of height and can carry out exhaust drainage hole 2 with too much ponding in the soil.

Referring to fig. 1 and 2, a geotextile vertical groove 21 for cutting off the drainage holes 2 is formed in the wall 1 along the vertical direction, geotextile 3 is tightly attached to the inside of the geotextile vertical groove 21, gravel regions 36 abutting against the vertical surface of the geotextile are arranged in the positions of the drainage holes 2, which are positioned at the side surfaces of the geotextile 3, which are far away from the soil, a steel grid net 37 abutting against the gravel regions 36 is arranged in the drainage holes 2, which are vertically arranged, of the gravel regions 36, the bottom of the wall 1 is fixedly connected with a drainage groove block 31 which is hollow inside and is communicated with the drainage holes 2, one end of each vertical drainage hole 2, which is far away from the soil, is communicated in the vertical direction, a water outlet is arranged at the center point inside the drainage groove block 31, the inner wall of the drainage groove block 31 takes the self water outlet as the lowest point, an active drainage mechanism is installed on the drainage groove block 31, the active drainage mechanism comprises a water storage tank, the water outlet of the water storage tank 32 is hermetically connected with a drainage pump 33.

Referring to fig. 1 and 2, arrange the infiltration water mechanism and be on a parallel with the drainage basin 34 of 1 wall of wall body including seting up in wall body 1 and towards the inner wall of 1 wall of wall body, the inner wall that drainage basin 34 is close to 1 wall of wall body has evenly seted up several diversion hole 35, diversion hole 35 sets up the 1 wall of direction perpendicular to wall body, wall body 1 is located diversion hole 35 and has deviated from drainage basin 34 one side and install the sponge layer 38 that absorbs water that arranges the direction and be on a parallel with 1 wall of wall body, sponge layer groove 39 of communicating in drainage basin 34 is seted up to the sponge layer 38 bottom that absorbs water, sponge layer groove 39 just is the slope towards drainage basin 34.

The implementation principle of the embodiment is as follows: ponding in the soil is through drainage hole 2, geotechnological cloth 3 separates the soil that enters into among drainage hole 2 with the cup water drive, rivers rethread gravel district 36 and steel grid 37 enter into among the drainage tank piece 31, the infiltration of wall 1 wall department is absorbed by the sponge layer 38 that absorbs water, enter into among the drainage tank piece 31 through diversion hole 35 and sponge layer groove 39, rivers among the drainage tank piece 31 flow into water storage box 32 under self action of gravity, then carry out periodic drainage by drain pump 33.

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 hydraulic engineering retaining wall drainage structures, is the slope and contacts wall body (1) of the surface of water and wall back of the body department contact soil including the wall, locate in wall body (1) near wall department and can be with the row's of infiltration wall body (1) infiltration mechanism, its characterized in that: several drainage holes (2) have evenly been seted up to the wall back department of wall body (1), and drainage holes (2) evenly set up several rows in the wall back different height department of wall body (1), and the wall back department of wall body (1) is equipped with geotechnological cloth (3), and wall body (1) lower part is equipped with and communicates in drainage holes (2) and inside hollow drainage channel piece (31), and drainage channel piece (31) are equipped with can in time carry out the initiative drainage mechanism of discharge with ponding among self.

2. A hydraulic engineering retaining wall drainage structure according to claim 1, characterized in that: the active drainage mechanism comprises a water storage tank (32) and a drainage pump (33), wherein the water storage tank (32) is communicated with one end, far away from the wall body (1), of the drainage tank block (31) and can temporarily store accumulated water, and the drainage pump (33) is communicated with the water storage tank (32).

3. A hydraulic engineering retaining wall drainage structure according to claim 2, characterized in that: arrange infiltration mechanism includes along wall body (1) length direction set up in inside and the bottom of wall body (1) communicate in drainage basin (34) of drainage channel piece (31), be several rows and evenly set up in drainage basin (34) inner wall and be diversion hole (35) of slope, drainage basin (34) are on a parallel with the wall of wall body (1) towards the inner wall of wall body (1) wall face side, and diversion hole (35) arrange the wall side of direction perpendicular to wall body (1).

4. A hydraulic engineering retaining wall drainage structure according to claim 3, characterized in that: arrange in the ponding hole (2) department and be equipped with gravel district (36), gravel district (36) are located geotechnological cloth (3) and are kept away from soil one side, are equipped with in arranging ponding hole (2) and laminate in steel grid net (37) in gravel district (36).

5. A hydraulic engineering retaining wall drainage structure according to claim 4, characterized in that: the central point of the bottom of the drainage tank block (31) is provided with a water outlet communicated with the water storage tank (32), and the water outlet of the drainage tank block (31) is the lowest point.

6. A hydraulic engineering retaining wall drainage structure according to claim 5, characterized in that: a water absorption sponge layer (38) which is inclined and parallel to the wall surface side of the wall body (1) is arranged on one side, away from the seepage drainage groove (34), of the water diversion hole (35) in the wall body (1), and an opening, away from the seepage drainage groove (34), of the water diversion hole (35) is in contact with the water absorption sponge layer (38).

7. A hydraulic engineering retaining wall drainage structure according to claim 6, characterized in that: the wall body (1) is located and is seted up sponge layer groove (39) to drainage and seepage water tank (34) in water absorption sponge layer (38) bottom department, and sponge layer groove (39) are towards drainage and seepage water tank (34) slope.

8. A hydraulic engineering retaining wall drainage structure according to claim 7, characterized in that: the geotextile vertical groove (21) for cutting the drainage pore (2) is formed in the wall body (1), and the geotextile (3) is arranged in the geotextile vertical groove (21).