CN205917646U - Hydraulic engineering is with having retaining wall device that anti - filter constructs - Google Patents
Hydraulic engineering is with having retaining wall device that anti - filter constructs Download PDFInfo
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- CN205917646U CN205917646U CN201620831782.8U CN201620831782U CN205917646U CN 205917646 U CN205917646 U CN 205917646U CN 201620831782 U CN201620831782 U CN 201620831782U CN 205917646 U CN205917646 U CN 205917646U
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- wall
- filter
- bed
- drain pipe
- geotextiles
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Abstract
The utility model discloses a hydraulic engineering is with having retaining wall device that anti - filter constructs belongs to the retaining wall field, the utility model discloses the dorsal ponding of wall of the technical problem that the solves effective filtration retaining wall for how, the in time quick dorsal ponding of the wall with the retaining wall are discharged, its structure includes the wall body, is provided with a plurality of drain pipes in the wall body, and the wall dorsal part of wall body is backfilled there is the back filling, the back filling is interior, the entrance of every drain pipe all is provided with anti - filter structure, and anti - filter constructs including geotechnological cloth and filter material layer, and geotechnological cloth is fixed on the entry of drain pipe, and wrap up in geotechnological bu nei on the filter material layer. The utility model discloses but the dorsal ponding of the wall of effective filtration retaining wall, the in time quick dorsal ponding of the wall with the retaining wall are discharged.
Description
Technical field
This utility model is related to retaining wall field, and specifically hydraulic engineering is with having the retaining wall dress of anti-filter mechanism
Put.
Background technology
Retaining wall refers to support Roadbed Soil or the hillside soil body, prevent from banketing or soil deformation unstability structure.In gear
In cob wall transverse section, it is referred to as the wall back of the body with the position being supported by soil body directly contact；Position that is relative with the wall back of the body, facing sky is referred to as wall
Face；It is referred to as substrate with the position of ground directly contact；Relative with substrate, wall top surface is referred to as wall top；The front end of substrate is referred to as
Toe of wall；The rear end of substrate is referred to as wall heel.Retaining wall is widely used in the engineering constructions such as water conservancy, traffic, harbour and work China Democratic National Construction Association, its
Purpose is barricade back of the body backfill or a hillside soil body, prevents soil deformation unstability.
When hydrops carried on the back by wall, the water level after retaining walls is higher and when water level of before wall is relatively low or anhydrous, increased hydraulic pressure
Power, easily causes retaining wall and collapses.In order that hydrops are easy to discharge after wall, generally arrange an appropriate number of sluicing in wall body
Hole.But grogs can enter spilled water hole with infiltration, thus leading to sluicing hole plug, with the increasing of hydrops after wall, can reduce
The safety coefficient of barricade, particularly after heavy rain, frequently can lead to collapsing of cutting barricade.
The Chinese patent of Publication No. cn 204000910 u disclosed in 10 days December in 2014, proposes one kind and is used for keeping off soil
The anti-filter device of wall draining, for the anti-filter device of retaining wall draining, waterwall dorsal part is backfilled with backfill material, waterwall wall body cloth
Put osculum, anti-filter device is set in osculum water inlet it is characterised in that: described anti-filter device is by pvc reduced pipe, many
Hole pvc plate and permeable geotextiles composition, described pvc reduced pipe is divided into path section and big footpath section, wherein path section end vertically
Portion's bonding porous pvc plate, layering filling rubble and coarse sand in pvc reduced pipe, big footpath section end is wrapped up permeable geotextiles and is used in combination
Galvanized wire colligation is fixed；Described path section external diameter is adapted with osculum aperture and is flush-mounted in wall body draining in the hole.This technical scheme
In, anti-filter device makes loaded down with trivial details, and the bore of pvc reduced pipe is limited, drainage area is little, have impact on the infiltration of osculum water inlet
Flow velocity it is impossible to quickly draining.
How effectively to filter the hydrops of the retaining walls back of the body, quickly the hydrops that wall is carried on the back are discharged, be to need to solve
Technical problem.
Utility model content
Technical assignment of the present utility model is for not enough above, provides a kind of hydraulic engineering with having the gear of anti-filter mechanism
Cob wall device, the problem to solve is how effectively to filter the hydrops of wall dorsal part of retaining wall, quickly by retaining wall
The hydrops of wall dorsal part are discharged.
Technical assignment of the present utility model is realized in the following manner:
Hydraulic engineering, with having the retaining wall device of anti-filter mechanism, including body of wall, is provided with multiple drain pipies, often in body of wall
Individual drain pipe all extends along the thickness direction of body of wall, and the entrance of each drain pipe is respectively positioned on the wall dorsal part of body of wall, the wall back of the body of body of wall
Side is backfilled with backfill；Backfill is interior, the porch of each drain pipe is provided with anti-filter mechanism, and anti-filter mechanism includes geotextiles
With the anti-filter bed of material, geotextiles are fixed on the entrance of drain pipe, and the anti-filter bed of material is wrapped in geotextiles.
Further, the anti-filter bed of material includes granule layer and middle gravel bed, and granule layer and middle gravel bed are mainly by basic unit, middle level
With the Contraband character form structure of upper strata composition, in the opening of granule layer, granule layer is filled in opening of middle gravel bed to the entrance of drain pipe
In mouthful；On the anti-filter bed of material, the side of close body of wall is the medial surface of the anti-filter bed of material, the side relative with medial surface on the anti-filter bed of material
For the lateral surface of the anti-filter bed of material, geotextiles are wrapped in the medial surface of the anti-filter bed of material, the bottom surface of the anti-filter bed of material, the outside of the anti-filter bed of material
On the top surface of face and the anti-filter bed of material.
Further, part geotextiles being wrapped on the medial surface of the anti-filter bed of material is closure part, and geotextiles are removed envelope
Part outside stifled portion is outsourcing portion, and the top of closure part is fixed on body of wall and is located at the top of drain pipe, blocks solid middle part
It is fixed on the entrance of drain pipe, the bottom of closure part is fixed on body of wall and is located at the lower section of drain pipe；Close on middle gravel bed
The side of body of wall is the medial surface of middle gravel bed, and on middle gravel bed, the side relative with medial surface is middle gravel bed lateral surface, and outsourcing portion wraps
It is rolled on bottom surface, middle gravel bed lateral surface and the middle gravel bed top surface of gravel bed.
Further, in outsourcing portion near body of wall and be located at drain pipe above end be outsourcing portion upper end, outsourcing
The upper end in portion is fixed on body of wall.
Further, it is connected with polyester ammonia glue between closure part and the entrance of drain pipe and between closure part and body of wall
Layer, is connected with polyester ammonia glue layer between the upper end in outsourcing portion and body of wall.
Further, a diameter of 5～20mm of middle gravel bed cobble-stone, a diameter of 2～5mm of granule layer cobble-stone, geotechnique
Cloth for thickness be 3～4mm, weight be every square metre of 350～450g geotextiles.
Hydraulic engineering of the present utility model is had the advantage that with the retaining wall device with anti-filter mechanism
1st, it is provided with multiple drain pipies in retaining wall in this utility model, the entrance of each drain pipe is fixed with geotechnique
Cloth, the porch of each drain pipe is provided with the anti-filter bed of material, can filter to entering the water in drain pipe, it is to avoid drain pipe
In be mixed with soil particle, accelerate the percolation flow velocity of the wall dorsal part hydrops of body of wall, can drain the water away in time, it is to avoid hydrops pressures
The harm to retaining wall for the power, increased stability and the safety of retaining wall；
2nd, in this utility model, the anti-filter bed of material includes granule layer and middle gravel bed from inside to outside, and geotextiles are wrapped in filter material
On the medial surface of layer, the top surface of the bottom surface of the anti-filter bed of material, the lateral surface of the anti-filter bed of material and the anti-filter bed of material, hydrops are first by geotextiles
Filtered, thicker grogs is retained by geotextiles, formed the big coarse grain layer of water penetration, coarse grain layer can be stoped fine earth behind
Granule continues to be taken away by flowing water, and the tiny soil particle through coarse grain layer enters into granule layer and middle gravel bed, granule layer and middle gravel bed
Osmotic resistance reduce, flow velocity is accelerated, and continues to be trapped, is attached to granule layer gap, with the change in filtering layer space compared with coarse granule
Greatly, seepage flow is also accelerated, and then plays draining, filter soil, the effect of decompression；
3rd, in this utility model, geotextiles are fixed on body of wall and on the entrance of drain pipe by polyester ammonia glue, glue
Patch type is strong, improves drainability；
4th, this utility model has the advantages that practical, construction technology is simple, construction cost is low.
Brief description
Below in conjunction with the accompanying drawings this utility model is further illustrated.
Accompanying drawing 1 is for hydraulic engineering with having the structural representation of the retaining wall device of anti-filter mechanism；
In figure: 1, body of wall, 2, drain pipe, 3, geotextiles, 4, middle gravel bed, 5, granule layer, 6, backfill.
Specific embodiment
Native with the gear with anti-filter mechanism to hydraulic engineering of the present utility model with reference to Figure of description and specific embodiment
Wall device is described in detail below.
Embodiment:
As shown in Figure 1, the hydraulic engineering of the present invention retaining wall device with anti-filter mechanism, including body of wall 1, body of wall
It is provided with multiple drain pipies 2, each drain pipe 2 all extends along the thickness direction of body of wall 1, the equal position of entrance of each drain pipe 2 in 1
In the wall dorsal part of body of wall 1, the wall dorsal part of body of wall 1 is backfilled with backfill 6；Backfill 6 is interior, the porch of each drain pipe 2 is all provided with
It is equipped with anti-filter mechanism, anti-filter mechanism includes geotextiles 3 and the anti-filter bed of material, geotextiles 3 are fixed on the entrance of drain pipe 2, anti-filter
The bed of material is wrapped in geotextiles 3.
Wherein, the anti-filter bed of material includes granule layer 5 and middle gravel bed 4, and granule layer 5 and middle gravel bed 4 are mainly by basic unit, middle level
With the Contraband character form structure of upper strata composition, in the opening of granule layer 5, granule layer 5 is filled in middle gravel bed 4 to the entrance of drain pipe 2
Opening in；On the anti-filter bed of material, the side of close body of wall 1 is the medial surface of the anti-filter bed of material, relative with medial surface on the anti-filter bed of material
Side is the lateral surface of the anti-filter bed of material, and geotextiles 3 are wrapped in the medial surface of the anti-filter bed of material, the bottom surface of the anti-filter bed of material, the anti-filter bed of material
Lateral surface and the anti-filter bed of material top surface on.Wherein, the diameter of middle gravel bed 4 cobble-stone is about 15mm, and its minimum grain size is not
Less than 5mm, its maximum particle diameter cannot be greater than 20mm, and clay content cannot be greater than 5%, and does not contain the impurity such as grass roots, rubbish；Granule layer 5
The diameter of cobble-stone is about 3mm, and its minimum grain size is not less than 2mm, and its maximum particle diameter cannot be greater than 5mm, and does not contain grass roots, rubbish
The impurity such as rubbish, its clay content cannot be greater than 5%；Geotextiles 3 are geotextiles 3 that thickness is that 3.5mm, weight are every square metre of 400g.
The part being wrapped on the medial surface of the anti-filter bed of material in geotextiles 3 is closure part, in geotextiles 3 in addition to closure part
Part is outsourcing portion, and the top of closure part is fixed on body of wall 1 by polyester ammonia glue layer and is located at the top of drain pipe 2, envelope
Block up solid middle part to be fixed on the entrance of drain pipe 2 by polyester ammonia glue layer, polyester ammonia glue layer is passed through in the bottom of closure part
It is fixed on body of wall 1 and be located at the lower section of drain pipe 2；On middle gravel bed 4, the side near body of wall 1 is the medial surface of middle gravel bed 4, in
On gravel bed 4, the side relative with medial surface is middle gravel bed 4 lateral surface, and outsourcing portion is wrapped in the bottom surface of middle gravel bed 4, outside middle gravel bed 4
On side and middle gravel bed 4 top surface.
Near body of wall 1 and the end that is located at drain pipe 2 top is the upper end in outsourcing portion, the upper end in outsourcing portion in outsourcing portion
Portion is fixed on body of wall 1 by polyester ammonia glue layer.
The hydraulic engineering of the present invention, with having the retaining wall device of anti-filter mechanism, can be used for river course both sides, each retaining wall
Height about between 5.6m and 8.6m, the top width 0.5m of each retaining wall, bottom width between 7.5m to 8.3m, in retaining wall
Wall dorsal part be retaining wall back of the body river side backfill backfill 6, the height of backfill 6 is 87.6 meters.The wall dorsal part of body of wall 1 a large amount of
Hydrops can be discharged by drain pipe 2 after filtering through anti-filter mechanism.Particularly as follows: when hydrops flow to drain pipe 2, on geotextiles 3 surface,
Thicker grogs is trapped first, forms coarse grain layer, and water penetration increases；Meanwhile, this fraction of coarser layer will stop behind thin
Grogs continues to be taken away by current, and more toward wall dorsal part direction, the probability that fine soil grain is run off is less, just in geotextiles 3
It is tapered " natural loaded filter " that wall dorsal part forms a granule；The tiny soil particle that part passes through geotextiles 3 passes through seepage flow
Enter granule layer 5, middle gravel bed 4, osmotic resistance reduces, flow velocity is accelerated, continue to be trapped compared with coarse granule, be attached to granule layer 5 and stitch
Gap, the change with filtering layer space is big, and seepage flow is also accelerated, and then plays draining, filter soil, the effect of decompression.
This hydraulic engineering retaining wall device with anti-filter mechanism has good economic benefit, has saved engineering and open
, it is mainly shown as the following aspects:
(1), practical, construction technology is simple, construction cost is low；
(2), arrange in retaining wall multiple drain pipies 2, the porch of each drain pipe 2 arrange anti-filter mechanism, can and
When exclusion infiltration filter soil, reduce consolidation pressure, prevent surface collapse, increase body of wall 1 safety and stability；
(3), can suitably reduce retaining wall own wt, reduce concrete amount, save engineering cost, in effect of water pressure
Under, 6.6 meters high retaining wall unit lengths increase stress 43.12kn, can reduce hydraulic pressure after arranging multiple drain pipies 2 in body of wall 1
The effect to retaining wall for the power, and then retaining wall deadweight can be reduced, reduce concrete amount, retaining wall unit length can reduce coagulation
0.67 cubic metre of native consumption, every cube of cost of concrete 300 yuan/cubic metre, unit length retaining wall can save 201 yuan of expense,
During 660 meters of retaining wall length, 132660 yuan of expense can be saved.
By specific embodiment above, described those skilled in the art can readily realize this utility model.But
It is it should be appreciated that this utility model is not limited to above-mentioned specific embodiment.On the basis of disclosed embodiment, described
Those skilled in the art can the different technical characteristic of combination in any, thus realizing different technical schemes.Except description institute
Outside the technical characteristic stated, it is the known technology of those skilled in the art.
Claims (6)
1. the hydraulic engineering retaining wall device with anti-filter mechanism, including body of wall it is characterised in that being provided with multiple in body of wall
Drain pipe, each drain pipe all extends along the thickness direction of body of wall, and the entrance of each drain pipe is respectively positioned on the wall dorsal part of body of wall, wall
The wall dorsal part of body is backfilled with backfill；
Backfill is interior, the porch of each drain pipe is provided with anti-filter mechanism, and anti-filter mechanism includes geotextiles and the anti-filter bed of material,
Geotextiles are fixed on the entrance of drain pipe, and the anti-filter bed of material is wrapped in geotextiles.
2. hydraulic engineering according to claim 1 is with having the retaining wall device of anti-filter mechanism it is characterised in that filter material
Layer includes granule layer and middle gravel bed, and granule layer and middle gravel bed are the Contraband character form structure being mainly made up of basic unit, middle level and upper strata,
The entrance of drain pipe is located in the opening of granule layer, and granule layer is filled in the opening of middle gravel bed；
On the anti-filter bed of material, the side of close body of wall is the medial surface of the anti-filter bed of material, and on the anti-filter bed of material, the side relative with medial surface is
The lateral surface of the anti-filter bed of material, geotextiles are wrapped in the medial surface of the anti-filter bed of material, the bottom surface of the anti-filter bed of material, the lateral surface of the anti-filter bed of material
And on the top surface of the anti-filter bed of material.
3. hydraulic engineering according to claim 2 is with having the retaining wall device of anti-filter mechanism it is characterised in that geotextiles
On to be wrapped in part on the medial surface of the anti-filter bed of material be closure part, in geotextiles, the part in addition to closure part is outsourcing portion, envelope
The top in stifled portion is fixed on body of wall and is located at the top of drain pipe, blocks solid middle part and is fixed on the entrance of drain pipe, envelope
The bottom in stifled portion is fixed on body of wall and is located at the lower section of drain pipe；
On middle gravel bed, the side near body of wall is the medial surface of middle gravel bed, and on middle gravel bed, the side relative with medial surface is middle gravel bed
Lateral surface, outsourcing portion is wrapped on bottom surface, middle gravel bed lateral surface and the middle gravel bed top surface of middle gravel bed.
4. hydraulic engineering according to claim 3 is with having the retaining wall device of anti-filter mechanism it is characterised in that outsourcing portion
The end gone up near body of wall and be located above drain pipe is the upper end in outsourcing portion, and the upper end in outsourcing portion is fixed on body of wall.
5. hydraulic engineering according to claim 4 is with having the retaining wall device of anti-filter mechanism it is characterised in that closure part
It is connected with polyester ammonia glue layer, the upper end in outsourcing portion and body of wall and the entrance of drain pipe between and between closure part and body of wall
Between be connected with polyester ammonia glue layer.
6. hydraulic engineering according to claim 2 is with having the retaining wall device of anti-filter mechanism it is characterised in that middle gravel bed
A diameter of 5～20mm of cobble-stone, a diameter of 2～5mm of granule layer cobble-stone, geotextiles are that 3～4mm, weight are for thickness
The geotextiles of every square metre of 350～450g.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620831782.8U CN205917646U (en) | 2016-08-03 | 2016-08-03 | Hydraulic engineering is with having retaining wall device that anti - filter constructs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620831782.8U CN205917646U (en) | 2016-08-03 | 2016-08-03 | Hydraulic engineering is with having retaining wall device that anti - filter constructs |
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| Publication Number | Publication Date |
|---|---|
| CN205917646U true CN205917646U (en) | 2017-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620831782.8U Expired - Fee Related CN205917646U (en) | 2016-08-03 | 2016-08-03 | Hydraulic engineering is with having retaining wall device that anti - filter constructs |
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| Country | Link |
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| CN (1) | CN205917646U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106049352A (en) * | 2016-08-03 | 2016-10-26 | 宋斌 | Retaining wall device used for water conservancy engineering and provided with inverse filtering mechanisms and construction method of retaining wall device |
| CN110344439A (en) * | 2019-07-30 | 2019-10-18 | 中建五局第三建设有限公司 | Construction method of rear retaining wall drain hole |
-
2016
- 2016-08-03 CN CN201620831782.8U patent/CN205917646U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106049352A (en) * | 2016-08-03 | 2016-10-26 | 宋斌 | Retaining wall device used for water conservancy engineering and provided with inverse filtering mechanisms and construction method of retaining wall device |
| CN110344439A (en) * | 2019-07-30 | 2019-10-18 | 中建五局第三建设有限公司 | Construction method of rear retaining wall drain hole |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170201 Termination date: 20180803 |