CN210946875U - Supporting retaining wall convenient for drainage - Google Patents
Supporting retaining wall convenient for drainage Download PDFInfo
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- CN210946875U CN210946875U CN201921414476.4U CN201921414476U CN210946875U CN 210946875 U CN210946875 U CN 210946875U CN 201921414476 U CN201921414476 U CN 201921414476U CN 210946875 U CN210946875 U CN 210946875U
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Abstract
The utility model relates to a strut barricade convenient to drainage belongs to a fender protection engineering technical field, include side slope, barricade main part and set up in the side ditch that the side slope one side was kept away from to the barricade main part, be provided with the backfill layer between barricade main part and the side slope, be provided with the high strength infiltration drainage filter bed layer between backfill layer and the side slope, be provided with the wash port that runs through the barricade main part and communicate with the backfill layer in the barricade main part. The high-strength seepage and drainage filtering cushion layer is attached to the surface of the side slope and directly contacts with the seepage surface, seepage water is collected to the position close to the drainage hole downwards, and finally the seepage water is guided into the side ditch through the drainage hole to realize the drainage function; the high-strength seepage and drainage filter bed layer has higher porosity, and strong omnibearing water accumulation and drainage performance, effectively improves seepage and drainage efficiency, prevents water seepage on the back of a wall and water seepage on a slope surface, and improves drainage effect.
Description
Technical Field
The utility model relates to a keep off protection engineering technical field, in particular to retaining wall convenient to drainage.
Background
The retaining wall is also commonly called as a revetment, and refers to a structure for supporting roadbed filling or hillside soil and preventing the filling or soil from deforming and destabilizing. The concrete revetment is mainly formed by mortar-laid or dry-laid rock blocks, cast-in-place concrete revetment, precast concrete block revetment and the like.
The design of the wall back of the retaining wall for supporting and protecting at present is still basically according to the traditional drainage measure of back filling and water drainage of the wall back. In the actual construction process, due to the fact that different geological conditions and construction effects are difficult to control and the like, wall back seepage water and slope seepage water of retaining works such as retaining walls and facing walls overflow from settlement joints or overflow from wall tops, and the drainage effect is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a retaining wall struts convenient to drainage has the advantage that prevents that the wall back of the body infiltration and domatic infiltration from improving drainage effect.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a strut barricade convenient to drainage, includes side slope, barricade main part and sets up in the side ditch that the side slope one side was kept away from to the barricade main part, be provided with the backfill layer between barricade main part and the side slope, be provided with the high strength infiltration drainage filter bed layer between barricade main part and the side slope, be provided with the wash port that runs through the barricade main part and communicate with the backfill layer in the barricade main part.
By implementing the technical scheme, the high-strength seepage and drainage filtering cushion layer is attached to the surface of the side slope and directly contacts the seepage surface, seepage water is collected downwards to the vicinity of the drainage hole, and finally the seepage water is guided into the side ditch through the drainage hole, so that the drainage function is realized; the high-strength seepage and drainage filter bed layer has higher porosity, and strong omnibearing water accumulation and drainage performance, effectively improves seepage and drainage efficiency, prevents water seepage on the back of a wall and water seepage on a slope surface, and improves drainage effect.
The utility model discloses further set up to: the high-strength seepage and drainage filter bed layer (5) is at least provided with one layer.
Implement above-mentioned technical scheme, set up the drainage filter bed layer that oozes of high strength, increase the drainage face, improve drainage effect.
The utility model discloses further set up to: the thickness of the high-strength seepage and drainage filter cushion layer is 2mm-5 mm.
By implementing the technical scheme, the thickness of the high-strength seepage and drainage filtering cushion layer is set to be 2-5 mm, the compression resistance under the condition of 10-40% of compression deformation can reach 50-600 kPa, the high-strength seepage and drainage filtering cushion layer is prevented from being damaged due to the pressure of a soil body, and the sufficient service life is ensured.
The utility model discloses further set up to: and a water intercepting platform is arranged at the bottom of the backfill layer, and the bottom wall of the water intercepting platform is inclined downwards.
By implementing the technical scheme, open water can seep down to the water interception platform on the back of the retaining wall main body through the high-strength seepage and drainage filtering cushion layer and then is drained to the side ditch through the drainage holes, so that the drainage effect is improved.
The utility model discloses further set up to: the water intercepting platform is provided with a rubble blind ditch, and the drain hole is communicated with the rubble blind ditch.
By implementing the technical scheme, the seepage water is collected into the rubble blind ditches and then is discharged through the drainage holes, and the rubble blind ditches play a role in collecting and filtering the seepage water, so that the drainage holes are prevented from being blocked, and the drainage effect is improved.
The utility model discloses further set up to: the bottom and the platform contact of intercepting of high strength infiltration drainage filter bed layer, the slabstone french drain is located between barricade main part and the high strength infiltration drainage filter bed layer.
By implementing the technical scheme, the high-strength seepage and drainage filtering cushion layer extends downwards to the water interception platform, so that on one hand, the effect of separating the side slope soil body from the stone blind ditch is achieved, impurities are prevented from entering the stone blind ditch, and the drainage holes are effectively prevented from being blocked; on the other hand, the high-strength seepage and drainage filter cushion layer directly extends to the rubble blind ditch, so that seepage water can be collected into the rubble blind ditch quickly and drained through the drain holes, and the drainage efficiency is improved.
The utility model discloses further set up to: the drain hole is arranged in a downward inclined mode.
By implementing the technical scheme, the drain holes are obliquely arranged, so that the drainage rate is favorably improved.
The utility model discloses further set up to: the drain pipe is arranged in the drain hole in a penetrating mode, and the drain pipe is arranged in a plurality of positions at intervals along the length direction of the retaining wall main body.
Implement above-mentioned technical scheme, the setting of drain pipe prevents that barricade main part itself from sinking and leading to the drainage hole to block up, guarantees that the drainage is unobstructed.
To sum up, the utility model discloses the beneficial effect who contrasts in prior art does:
firstly, the high-strength seepage and drainage filtering cushion layer is attached to the surface of a side slope and directly contacts with a seepage surface, seepage water is collected to the vicinity of a drainage hole downwards, and finally the seepage water is guided into a side ditch through the drainage hole to realize the drainage function; the high-strength seepage and drainage filter bed layer has higher porosity, omnibearing water accumulation and strong drainage performance, effectively improves the seepage and drainage efficiency, prevents water seepage on the back of a wall and water seepage on a slope surface, and improves the drainage effect;
secondly, open water can seep downwards to a water interception platform on the back of the retaining wall main body through the high-strength seepage and drainage filtering cushion layer and then is drained to a side ditch through the drainage holes, so that the drainage effect is improved;
thirdly, the high-strength seepage and drainage filtering cushion layer extends downwards to the water interception platform, so that on one hand, the effect of separating the side slope soil body from the stone blind ditch is achieved, impurities are prevented from entering the stone blind ditch, and the drainage holes are effectively prevented from being blocked; on the other hand, the high-strength seepage and drainage filter cushion layer directly extends to the rubble blind ditch, so that seepage water can be collected into the rubble blind ditch quickly and drained through the drain holes, and the drainage efficiency is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Reference numerals: 1. side slope; 2. a retaining wall main body; 3. side ditches; 4. a backfill layer; 41. a water intercepting platform; 5. a high-strength drainage filter bed layer; 6. a drain hole; 61. a drain pipe; 7. a slabstone blind ditch; 8. and a fixing member.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, a supporting retaining wall convenient for drainage comprises a side slope 1, a retaining wall main body 2 and a side ditch 3 arranged on one side of the retaining wall main body 2 far away from the side slope 1, wherein a backfill layer 4 is arranged between the retaining wall main body 2 and the side slope 1, and the backfill layer 4 is a gravel layer. For facing walls, no backfill layer 4 is required.
As shown in fig. 1, a high-strength infiltration and drainage filtering cushion layer 5 is arranged between the retaining wall main body 2 and the side slope 1, at least one high-strength infiltration and drainage filtering cushion layer 5 is arranged, and a high-strength infiltration and drainage filtering cushion layer 5 is arranged in the backfill layer 4, so that the drainage surface is increased, and the drainage effect is improved. In the embodiment, the high-strength seepage and drainage filter mat layer 5 is paved on the slope surface of the side slope 1; in other embodiments, the high-strength infiltration and drainage filter mat 5 can be laid on the side wall of the retaining wall main body 2 close to the side slope.
As shown in fig. 1, a fixing member 8 is inserted between the high-strength infiltration and drainage filtering cushion layer 5 and the side slope 1, and the fixing member 8 may be a screw, a steel wire or a wood rod; during construction, the high-strength seepage and drainage filter bed layer 5 is firstly paved on the construction surface of the side slope 1, and then the fixing piece 8 penetrates through the high-strength seepage and drainage filter bed layer 5 and is inserted into the soil body of the side slope 1, so that the high-strength seepage and drainage filter bed layer 5 is prevented from falling off, and the construction quality is improved; and the high-strength seepage and drainage filtering cushion layer 5 has light weight and is very convenient to transport and construct.
As shown in figure 1, the thickness of the high-strength seepage and drainage filter pad is set to be 2mm-5mm, in this embodiment, 3mm, and the compression resistance under the condition of 10% -40% compression deformation can reach 50kPa-60 kPa; prevent the high-strength seepage and drainage filtering cushion layer 5 from being damaged due to the pressure of the soil body, and ensure the sufficient service life.
As shown in fig. 1, a drain hole 6 penetrating through the retaining wall body 2 and communicating with the backfill layer 4 is arranged in the retaining wall body 2, and the drain hole 6 is arranged obliquely downwards; drain pipe 61 is worn to be equipped with in wash port 6, and drain pipe 61 is the PVC pipe, and drain pipe 61 sets up a plurality ofly along the length direction interval of barricade main part 2, and the interval between the adjacent drain pipe 61 is 3 m. During actual construction, the distance between the drain pipes 61 and the aperture of the drain pipes 61 can be reasonably adjusted according to actual working conditions; for slopes 1 with large water seepage, the distance between the drainage pipes 61 is suitably reduced.
As shown in FIG. 1, the bottom of the backfill layer 4 is provided with a water interception platform 41, the bottom wall of the water interception platform 41 is arranged to be inclined downwards at an angle of 10 degrees0(ii) a Open water can seep down to the water interception platform 41 on the back surface of the retaining wall main body 2 through the high-strength seepage drainage filter bed layer 5 and then is drained to the side ditch 3 through the drain hole 6, and the drainage effect is improved.
As shown in fig. 1, a stone blind ditch 7 is arranged on the water intercepting platform 41, and a water discharging hole 6 is communicated with the stone blind ditch 7; the seepage water is collected in the rubble blind ditches 7 and then is discharged through the water discharge holes 6, and the rubble blind ditches 7 play a role in collecting and filtering the seepage water, so that the water discharge holes 6 are prevented from being blocked, and the water discharge effect is improved. The diameter of the sheet stone blind ditch 7 is about 15cm, and the on-site stone can be directly adopted as the raw material, so that the construction is convenient and the manufacturing cost is low.
In addition, as shown in fig. 1, the bottom of the high-strength infiltration and drainage filtration mat layer 5 is in contact with the water interception platform 41, and the rubble blind ditch 7 is located between the retaining wall main body 2 and the high-strength infiltration and drainage filtration mat layer 5.
The high-strength seepage and drainage filtering cushion layer 5 extends downwards to the water intercepting platform 41, on one hand, the high-strength seepage and drainage filtering cushion layer plays a role in separating soil bodies on the side slope 1 from the rubble blind ditches 7, prevents impurities from entering the rubble blind ditches 7, and effectively prevents the drainage holes 6 from being blocked; on the other hand, the high-strength seepage and drainage filter cushion layer 5 directly extends to the rubble blind ditch 7, so that seepage water can be collected into the rubble blind ditch 7 quickly and drained through the drain hole 6, and the drainage efficiency is improved. Meanwhile, the high-strength seepage and drainage filter pad layer 5 can form a channel for guiding water in the horizontal direction, and even if part of the drainage pipes 61 are blocked, seepage water can be drained to the drainage pipes 61 at other places through the diversion of the high-strength seepage and drainage filter pad layer 5, so that the drainage effect is effectively improved.
The high-strength infiltration and drainage filter pad layer 5 is formed by melting and lapping industrial polypropylene or polyethylene serving as raw materials through disorder wires, has the functions of high pressure resistance, high open pore density, omnibearing water collection, horizontal drainage and the like, has the porosity of 80 percent and the longitudinal permeability coefficient of not less than 4.0 × 10-2m/s is more than ten times of that of the geotechnical drainage net.
The high-strength seepage and drainage filtering cushion layer 5 is attached to the surface of the side slope 1 and directly contacts with a seepage surface, seepage water is collected downwards to the rubble blind ditch 7, and finally the seepage water is guided into the side ditch 3 through the drainage hole 6 to realize the drainage function; the high-strength seepage and drainage filter cushion layer 5 has high porosity, and has strong omnibearing water accumulation and horizontal drainage performance; even if the individual drain pipe 61 is blocked, the seepage water can be drained to other drain pipes 61 through the high-strength seepage drainage filter bed layer 5, the seepage drainage efficiency is effectively improved, the seepage of the back of the wall and the seepage of the slope are prevented, and the drainage effect is improved.
To big barricade, can combine the high strength infiltration drainage filter bed 5 and the drain pipe 61 of bottom, middle section, through suitably optimizing a fender structural style, under the condition that does not increase the cost, reach more excellent drainage effect, and then solve the painful point of traditional fender protection drainage technology.
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 (8)
1. The utility model provides a strut barricade convenient to drainage, includes side slope (1), barricade main part (2) and sets up in side ditch (3) of keeping away from side slope (1) one side in barricade main part (2), its characterized in that: be provided with backfill layer (4) between barricade main part (2) and side slope (1), the domatic upper berth of side slope (1) is equipped with high strength infiltration drainage filter bed layer (5), be provided with high strength infiltration drainage filter bed layer (5) between barricade main part (2) and side slope (1), be provided with in barricade main part (2) and run through barricade main part (2) and with wash port (6) of backfill layer (4) intercommunication.
2. A retaining wall for facilitating drainage according to claim 1, wherein: the high-strength seepage and drainage filter bed layer (5) is at least provided with one layer.
3. A retaining wall for facilitating drainage according to claim 2, wherein: the thickness of the high-strength seepage and drainage filter bed layer (5) is 2mm-5 mm.
4. A retaining wall for facilitating drainage according to claim 1, wherein: the bottom of the backfill layer (4) is provided with a water stopping table (41), and the bottom wall of the water stopping table (41) is arranged in a downward inclined mode.
5. The retaining wall convenient for drainage of water of claim 4, wherein: the water intercepting platform (41) is provided with a rubble blind ditch (7), and the drain hole (6) is communicated with the rubble blind ditch (7).
6. A retaining wall for facilitating drainage according to claim 5, wherein: the bottom and the water-intercepting platform (41) contact of drainage filter bed layer (5) are oozed to high strength, stone blind ditch (7) are located between barricade main part (2) and drainage filter bed layer (5) are oozed to high strength.
7. A retaining wall for facilitating drainage according to claim 1, wherein: the drain hole (6) is arranged in a downward inclined mode.
8. A retaining wall for facilitating drainage according to claim 1, wherein: wear to be equipped with drain pipe (61) in wash port (6), drain pipe (61) set up a plurality ofly along the length direction interval of barricade main part (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921414476.4U CN210946875U (en) | 2019-08-28 | 2019-08-28 | Supporting retaining wall convenient for drainage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921414476.4U CN210946875U (en) | 2019-08-28 | 2019-08-28 | Supporting retaining wall convenient for drainage |
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| Publication Number | Publication Date |
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| CN210946875U true CN210946875U (en) | 2020-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921414476.4U Active CN210946875U (en) | 2019-08-28 | 2019-08-28 | Supporting retaining wall convenient for drainage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114687365A (en) * | 2022-04-08 | 2022-07-01 | 中铁大桥局集团有限公司 | Precast block with water drainage hole |
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2019
- 2019-08-28 CN CN201921414476.4U patent/CN210946875U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114687365A (en) * | 2022-04-08 | 2022-07-01 | 中铁大桥局集团有限公司 | Precast block with water drainage hole |
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