阅读说明：本技术 一种便于防渗的河道挡墙结构 (River course retaining wall structure convenient to prevention of seepage ) 是由 薛松 李军 杨建伟 陆云松 储秋明 潘延平 张晓磊 姚鑫 于 2020-06-05 设计创作，主要内容包括：本发明公开了一种便于防渗的河道挡墙结构,其涉及河道防护技术领域,其包括若干墙体,墙体临水侧和临土侧的钢模板之间连接有若干对拉止水件,对拉止水件包括止水段和位于止水段两端的可拆卸连接的固定段；止水段位于墙体内,固定段位于临水侧和临土侧的钢模板远离墙体的一侧。本发明解决了现有挡墙容易造成河水渗透,继而对沿河道路路基造成破坏的问题,具有减少河水通过挡墙渗入挡墙的临土侧,继而减少挡墙渗水对沿河道路路基造成破坏的效果。(The invention discloses a riverway retaining wall structure convenient for seepage prevention, which relates to the technical field of riverway protection and comprises a plurality of walls, wherein a plurality of split water-stopping pieces are connected between steel templates on the water-facing side and the soil-facing side of each wall, and each split water-stopping piece comprises a water-stopping section and detachably connected fixing sections positioned at two ends of the water-stopping section; the waterstop section is located the wall body, and the canned paragraph is located one side that the wall body was kept away from to the steel form that faces the waterside and face the soil side. The retaining wall solves the problem that the existing retaining wall is easy to cause river water permeation and further damage to the roadbed of the riverside road, and has the effects of reducing the permeation of river water into the soil facing side of the retaining wall through the retaining wall and further reducing the damage to the roadbed of the riverside road caused by the water permeation of the retaining wall.)

1. The utility model provides a river course retaining wall structure convenient to prevention of seepage, includes a plurality of walls (1), its characterized in that: a plurality of split water-stop pieces (2) are connected between the steel templates (7) of the water facing side (51) and the soil facing side (61) of the wall body (1), and each split water-stop piece (2) comprises a water stop section (21) and fixing sections (22) which are positioned at two ends of the water stop section (21) and detachably connected with each other;

the water stop section (21) is positioned in the wall body (1), and the fixing section (22) is positioned on one side, away from the wall body (1), of the steel templates (7) on the water side (51) and the soil side (61).

2. The riverway retaining wall structure facilitating seepage prevention according to claim 1, wherein: the water stop section (21) comprises a water stop rod (211) and water stop nuts (213) which are positioned at two ends of the water stop rod (211) and are in threaded connection, the water stop nuts (213) are embedded in the wall body (1), and the side, which is far away from the water stop nuts (213), of the water stop section is attached to the side wall of the steel formwork (7) of the water facing side (51) and the soil facing side (61);

the fixing section (22) comprises a fixing rod (221) and a locking nut (222), one end of the fixing rod (221) penetrates through the steel formwork (7) and is in threaded connection with the water stopping nut (213), and the locking nut (222) is in threaded connection with the fixing rod (221) and is locked and arranged towards one side of the steel formwork (7) on the same side.

3. The riverway retaining wall structure facilitating seepage prevention according to claim 2, wherein: the water stop nut (213) is a conical nut, and the large end of the conical nut faces the steel formwork (7) on the same side;

a water stopping groove (214) is formed in the end face of the large end of the conical nut, and concrete is filled in the water stopping groove (214).

4. The riverway retaining wall structure facilitating seepage prevention according to claim 2, wherein: the water stop rod (211) is connected with at least one water stop plate (212).

5. The riverway retaining wall structure facilitating seepage prevention according to claim 1, wherein: a water stop (3) is arranged at an expansion joint between the adjacent walls (1), the width direction of the water stop (3) is parallel to the length direction of the wall (1), and two ends of the water stop (3) in the width direction are respectively inserted into the walls (1) at two sides of the expansion joint;

the length direction of the water stop (3) extends along the length direction of the expansion joint.

6. The riverway retaining wall structure facilitating seepage prevention according to claim 1, wherein: the waterside (51) and the soil-facing side (61) of the wall body (1) are both connected with waterproof cloth (31), and the waterproof cloth (31) blocks the arrangement of expansion joints.

7. The riverway retaining wall structure facilitating seepage prevention according to claim 1, wherein: an elastic plate (32) is connected at the expansion joint between the adjacent wall bodies (1).

8. The riverway retaining wall structure facilitating seepage prevention according to claim 7, wherein: the elastic plate (32) is arranged in a sealing mode by adopting sealing paste in the circumferential direction, and the sealing paste is embedded into the expansion joint.

9. The riverway retaining wall structure facilitating seepage prevention according to claim 2, wherein: a plurality of steel bar net pieces (8) which are perpendicular to the water stop rod (211) are sleeved on the water stop rod along the length direction of the water stop rod, and a plurality of connecting rods (81) are connected between the adjacent steel bar net pieces (8).

Technical Field

The invention relates to the technical field of river protection, in particular to a river retaining wall structure convenient for seepage prevention.

Background

At present, water conservancy projects are projects built for controlling and allocating surface water and underground water in the nature to achieve the purposes of removing harm and benefiting, water is a valuable resource essential for human production and life, but the naturally existing state of the water does not completely meet the needs of human beings, and river retaining walls are engineering measures taken for protecting river banks from being invaded and washed by water flow and wind waves.

When an existing riverway retaining wall is built, a plurality of steel templates are used as side forms, the steel templates on the water surface and the steel templates on the soil surface are fixed through split bolts, and protective tubes are sleeved outside double-screw bolts of the split bolts. When the retaining wall is poured, concrete is poured into the containing cavity defined by the steel template, after the concrete is solidified, nuts at two ends of the split bolt are loosened, the stud is drawn out from the protective pipe, and then the two ends of the protective pipe are sealed and blocked by the concrete.

The above prior art solutions have the following drawbacks: because the retaining wall is built by one section of the steel template, expansion joints are easily formed between adjacent retaining walls, and water and soil are easy to circulate through the expansion joints, so that the water seepage of the retaining wall is caused. And because the steel form adopts that ordinary split bolt is fixed, after the double-screw bolt was taken out, can leave the infiltration passageway that is formed by the protective sheath on the barricade, though the manual work adopts the both ends of concrete shutoff protective sheath, the whole protective sheath of difficult fine packing to cause the infiltration passageway infiltration entering barricade that the river formed through the protective sheath to face the soil side, cause the destruction to the road bed of following the river then.

Disclosure of Invention

According to the defects in the prior art, the invention aims to provide a riverway retaining wall structure convenient for seepage prevention, which has the effects of reducing the seepage of river water into the soil facing side of the retaining wall through the retaining wall and further reducing the damage of the seepage of the retaining wall to a roadbed of a riverway.

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

a riverway retaining wall structure convenient for seepage prevention comprises a plurality of walls, wherein a plurality of split water-stopping pieces are connected between steel templates on a water-facing side and a soil-facing side of each wall, and each split water-stopping piece comprises a water-stopping section and fixing sections which are positioned at two ends of the water-stopping section and can be detachably connected;

the water stopping section is located in the wall body, and the fixing section is located on one side, away from the wall body, of the steel formwork on the water side and the soil side.

Through adopting above-mentioned technical scheme, to drawing the stagnant water spare and can dwindle the infiltration passageway of reserving on the wall body in convenient to detach steel form to reduce the river and pass through the nearly soil side of barricade infiltration barricade, reduce the destruction that the barricade infiltration caused to the road bed of following a river then.

The water stopping section is positioned in the steel templates on two sides of the wall body and used for controlling the distance between the steel templates, so that the effect of controlling the thickness of the poured wall body is achieved. The fixed steel form is fixed from the steel form outside to the canned paragraph, pours the back that finishes when the wall body, lifts the canned paragraph off from the steel form outside, can dismantle down the steel form, and the stagnant water section of this moment stays in the wall body and pours the shaping with wall body an organic whole, and the canned paragraph can be convenient for cyclic utilization.

The water stopping section is made of solid materials, so that river water can only permeate in a gap between the wall body and the water stopping section, and the gap between the wall body and the water stopping section is smaller due to the fact that the water stopping section and the wall body are integrally cast, so that the river water can be effectively reduced from permeating into the soil facing side of the retaining wall through the retaining wall, and the purpose of preventing seepage of the retaining wall is achieved.

The present invention in a preferred example may be further configured to: the water stopping section comprises a water stopping rod and water stopping nuts positioned at two ends of the water stopping rod and in threaded connection, the water stopping nuts are embedded in the wall body, and the side, away from the water stopping nuts, of the water stopping nuts is attached to the side walls of the steel templates on the water facing side and the soil facing side;

the fixing section comprises a fixing rod and a locking nut, one end of the fixing rod penetrates through the steel formwork and is in threaded connection with the water stopping nut, and the locking nut is in threaded connection with the fixing rod and is locked towards one side of the steel formwork on the same side.

Through adopting above-mentioned technical scheme, the steel form that the stagnant water nut laminating was close to the waterside and was faced the soil side can be through the distance control between two stagnant water nuts that control set up relatively close to the waterside and face the distance between the steel form of soil side to the thickness of control wall body, and then can be convenient for through the wall body to drawing different thickness requirements of stagnant water spare and steel form shaping, promote the suitability to drawing stagnant water spare and steel form.

The water stop nut is used for connecting the water stop rod and the fixing rod and achieves the purpose of fixing and oppositely pulling the steel template through the matching of the locking nut. Finishing when the wall body is pour, screwing off lock nut earlier, screwing off the dead lever again and can dismantling the steel form, the installation with dismantle all comparatively simple and conveniently, the large-scale river course engineering of being convenient for uses, and can effectual acceleration construction progress.

The present invention in a preferred example may be further configured to: the water stop nut is a conical nut, and the large end of the conical nut faces the steel formwork on the same side;

and a water stopping groove is arranged at the end face of the large end of the conical nut, and concrete is filled in the water stopping groove.

Through adopting above-mentioned technical scheme, adopt cone nut can be convenient for increase stagnant water nut and steel form's butt area to the atress that the steel form can great degree is even when being convenient for tighten lock nut. And the conical nut can be used for preventing concrete from leaking from the water stop nut when the wall body is poured to a greater extent.

The water stop groove is internally sealed by filling concrete, so that river water can be further prevented from flowing through a gap between the water stop nut and the water stop rod, and the effect of further preventing the water seepage of a wall body can be achieved. And the concrete is smeared in the water stopping groove, so that the surface of the wall body is smoother, and the integrity is better.

The present invention in a preferred example may be further configured to: at least one water stop plate is connected to the water stop rod.

Through adopting above-mentioned technical scheme, the stagnant water board is used for prolonging the infiltration route of water, and the water that permeates into need bypass the stagnant water board from the gap of stagnant water pole and wall body just can continue to permeate forward, further enhancement the stagnant water effect of stagnant water section.

The present invention in a preferred example may be further configured to: a water stop is arranged at the expansion joint between the adjacent walls, the width direction of the water stop is parallel to the length direction of the walls, and two ends of the water stop in the width direction are respectively inserted into the walls on two sides of the expansion joint;

the length direction of the water stop belt extends along the length direction of the expansion joint.

Through adopting above-mentioned technical scheme, the waterstop is used for the separation river water to permeate into the face soil side of barricade from between the expansion joint of adjacent wall body, can reduce the destruction that river water infiltration caused the road bed of following the river then. The waterstop can also prevent that the backfill soil of following river road passes through the expansion joint and gets into in the river course to can reduce following river road and produce because soil erosion and water loss and cave in or collapse. .

The present invention in a preferred example may be further configured to: the water side and the soil side of the wall body are both connected with waterproof cloth, and the expansion joints are plugged by the waterproof cloth.

Through adopting above-mentioned technical scheme, the tarpaulin is used for further preventing in river water permeates into the road bed of river along from the expansion joint, and can prevent that the backfill soil of river along road from entering into the river course from the expansion joint and causing the river along road to take place to cave in and cave in.

The present invention in a preferred example may be further configured to: and an elastic plate is connected at the expansion joint between the adjacent wall bodies.

By adopting the technical scheme, the elastic plate is used for plugging the expansion joint, so that the leakage of the wall body is reduced; and the elastic plate has elasticity, and when the wall body extends and deforms towards the telescopic part due to expansion with heat and contraction with cold, the elastic plate can provide a deformation space for the wall body, so that the seepage-proofing requirement of the wall body at the telescopic joint is met, and meanwhile, the damage of the wall body when deforming is reduced.

The present invention in a preferred example may be further configured to: the elastic plate is arranged in a sealing mode through sealing paste in the circumferential direction, and the sealing paste is embedded into the expansion joint.

By adopting the technical scheme, the sealing paste is used for sealing the wall body and the elastic plate at the expansion joint, so that the hidden danger that river water permeates from the gap between the wall body and the elastic plate is reduced, and the anti-seepage effect of the wall body at the expansion joint is further improved.

The present invention in a preferred example may be further configured to: a plurality of steel bar net pieces perpendicular to the water stop rod are sleeved on the water stop rod along the length direction of the water stop rod, and a plurality of connecting rods are connected between every two adjacent steel bar net pieces.

By adopting the technical scheme, the reinforcing mesh is used for increasing the stress area of the water stop rod, so that the stability of the connection of the water stop rod and the wall body is enhanced. The connecting rod is used for connecting adjacent reinforcing bar net piece, and can reduce reinforcing bar net piece and sealing rod's bending degree for reinforcing bar net piece and sealing rod provide the buffering when concreting to make sealing rod can set up with reinforcing bar net piece is perpendicular betterly, thereby strengthen sealing rod's intensity, and can effectual reinforcing wall body's intensity.

In summary, the invention includes at least one of the following beneficial technical effects:

1. through the arrangement of the water pulling and stopping pieces, the water seepage channel reserved on the wall body can be reduced while the steel template is convenient to disassemble, so that the effect that river water seeps into the soil facing side of the retaining wall through the retaining wall is reduced, and then the damage of the retaining wall seepage to the roadbed of the riverway is reduced;

2. the water stop plate can block the water flow from permeating in the wall body to a greater extent, and can prolong the permeation path of the water flow when the water flow permeates seriously, thereby delaying the water seepage of the wall body;

3. through the setting of waterstop, tarpaulin, elastic plate and sealant, can play and reduce river water and permeate from the expansion joint, and prevent to face the effect that the backfill soil of soil side passes through the expansion joint and gets into the river course.

Drawings

Fig. 1 is a schematic cross-sectional structure diagram of the retaining wall structure in the embodiment.

Fig. 2 is a schematic view of the connection structure of the steel formwork in this embodiment.

Fig. 3 is a schematic view of the overall structure of the split water stop in this embodiment.

Fig. 4 is a schematic structural diagram of the wall in this embodiment.

In the figure, 1, a wall body; 2. oppositely pulling the water stop piece; 21. a water stop section; 211. a water stop rod; 212. a water stop plate; 213. a water stop nut; 214. a water stopping tank; 22. a fixed section; 221. fixing the rod; 222. locking the nut; 3. a water stop; 31. waterproof cloth; 32. an elastic plate; 4. a reinforced concrete bottom wall; 5. a river channel; 51. the side facing the water; 6. along the river bed; 61. the soil facing side; 7. a steel form; 8. reinforcing mesh sheets; 81. a connecting rod.

Detailed Description

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