CN109056785A - The drainage system and its construction method of retaining wall - Google Patents
The drainage system and its construction method of retaining wall Download PDFInfo
- Publication number
- CN109056785A CN109056785A CN201810914270.1A CN201810914270A CN109056785A CN 109056785 A CN109056785 A CN 109056785A CN 201810914270 A CN201810914270 A CN 201810914270A CN 109056785 A CN109056785 A CN 109056785A
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- Prior art keywords
- retaining wall
- layer
- drainpipe
- drainage system
- wall
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Retaining Walls (AREA)
Abstract
The invention discloses a kind of drainage system of retaining wall and its construction methods, drainage system includes, retaining wall, it is the stickiness soil body after the wall of retaining wall, it is characterized in that, cavity is offered after retaining walls, the bottom casting concrete base of cavity, permeable or weak water penetration filler is filled out above concrete base layer, the stickiness soil body on rear side of water receiving or weak water penetration filler is since bottom every 1 ~ 1.5 meter of laying, one layer of gravel soil, the upper and lower level of every layer of gravel soil is laid with dense mesh type strainer, retaining wall is provided with multilayer, every layer is provided with outer low and inner high drainpipe, the inner end of drainpipe is connected to collector pipe, the collector pipe is located in permeable or weak water penetration filler.At least two layers of the gravel soil.The gradient of the drainpipe is the 4% ~ 6% of the gradient.The dense mesh type strainer is provided with 2 ~ 3 layers.The drainpipe is pvc pipe.The present invention has structure beneficial effect that is simple, at low cost, easy for construction, extending retaining wall service life.
Description
Technical field
The present invention relates to a kind of drainage system of retaining wall and its construction methods, are more particularly, to retaining wall rolling earth behind retaining wall
The drainage system of clay.
Background technique
Retaining wall is widely used in one of civil construction project structures, due to retaining wall inevitably by
The effect of underground water in rolling earth behind retaining wall, this not only adds the increasings of the horizontal loading of retaining wall, and backfill water content to make
Retaining wall shearing strength reduces, and soil pressure increases after wall.To prevent ponding after wall from forming hydrostatic pressure, draining should be arranged in retaining wall
Measure.What retaining wall draining generallyd use is inorganization draining, i.e. setting drainpipe and drain hole spaced apart on the wall,
Moisture is discharged via at drainpipe to drain hole along metope.Following problems can be generated using the draining of this inorganization:
In use, constructing due to lack of standardization, material selection is unreasonable etc., draining blockage, Jin Erzhi are easily caused
Make impeded drainage.
In cold district, for retaining wall metope because moisture is in the presence of that can generate freeze thawing phenomenon, long term will be to retaining wall structure
Generate serious damage.
Traditional retaining wall rolling earth behind retaining wall drainage system is inconvenient to construct, and causes part retaining wall drainage system not set,
Directly affect the stabilization of retaining wall structure.
Summary of the invention
The present invention can prevent wall from carrying on the back ponding according to the above deficiency, provide a kind of drainage system of retaining wall, guarantee wall
It carries on the back soil stabilization, extend retaining wall service life.
The object of the invention is that a kind of retaining wall drainage system and its construction method are provided, after solving retaining walls
Drainage system is inconvenient to the problem of constructing.Alleviate it is not smooth from the farther away area sewerage of retaining wall, not in time the case where.Have
The easy feature of construction is simple, ensure that the unobstructed of retaining wall drainage system, maintain the stabilization of the soil body after wall and wall.
The technical scheme is that
A kind of drainage system of retaining wall, including, retaining wall is the stickiness soil body after the wall of retaining wall, characterized in that in retaining wall
Cavity is offered after wall, the bottom casting concrete base of cavity fills out permeable or weak water penetration above concrete base layer and fills out
Expect, the stickiness soil body on rear side of permeable or weak water penetration filler is since bottom every 1 ~ 1.5 meter of laying, one layer of gravel soil, every layer of sand
The upper and lower level of gravel soil is laid with dense mesh type strainer, and retaining wall is provided with multilayer, and every layer is provided with outer low and inner high drainpipe, drainpipe
Inner end be connected to collector pipe, which is located in permeable or weak water penetration filler.
After gravel soil, major part flows to permeable or weak moisture in the stickiness soil body of the present invention along gravel soil lateral flow
Water penetration filler, is discharged through drainpipe, and small a part of water can leak down through the stickiness soil body, leaks into next layer of gravel soil,
Permeable or weak water penetration filler is flowed to through gravel soil lateral flow again, is discharged through drainpipe, gravel soil provides an infiltration
Channel.
It should be noted that gravel soil loss can be effectively prevented in the setting of dense mesh type strainer.
Preferably, at least two layers of the gravel soil.
Preferably, the gradient of the drainpipe is the 4% ~ 6% of the gradient.
Preferably, the dense mesh type strainer is provided with 2 ~ 3 layers.
Preferably, the drainpipe is pvc pipe.
The effective dense mesh type strainer that catchments wraps up 3 ~ 5 layers, is spaced circumferential fixed.The setting of collector pipe can prevent permeable
Or the loss of weak water penetration filler, and can ensure that water flow is unimpeded.
A kind of construction method of the drainage system of retaining wall, as follows:
S1 first pours the first layer of retaining wall, and the top surface of first layer is above the ground level；
S2 offers cavity after retaining walls, is poured concrete base layer in subaerial position；
Drainpipe and collector pipe is arranged in S3 on the first layer of retaining wall；
S4 pours the preceding half storey in the second layer of retaining wall；
S5 inserts permeable or weak water penetration filler in the cavity；
S6 cuts out the stickiness soil body after retaining walls and reserves the 0.5-0.75 meters of height that are above the ground level, and is laid with dense mesh type strainer, gravel
Soil and dense mesh type strainer；
S7 is poured retaining wall after the rear half storey in the second layer, and drainpipe and collector pipe are arranged on the second layer；
S8 repeats step S5；
S9 backfills 1 ~ 1.5 meter of the stickiness soil body of height, is laid with dense mesh type strainer, gravel soil and dense mesh type strainer；S10 is poured third
Layer retaining wall, is laid with drainpipe and collector pipe；
S11 repeats step S8, S9, and so on；
The retaining wall of S12 the last layer, permeable or weak water penetration filler and the stickiness soil body are contour.
One layer height of the retaining wall is identical as a layer height of the stickiness soil body, is 1 ~ 1.5 meter.
The present invention has the advantage that
1. of simple structure and low cost, construction is easily achieved, wall back product caused by due to sluicing hole plug fails can be prevented
Water guarantees that wall carries on the back soil stabilization.
2. avoiding retaining wall metope caused by inorganization draining from washing away, pollute and freeze thawing, extend retaining wall service life.
3. effectively mediating the underground water after wall in the soil body, the stabilization of the soil body after wall and wall is maintained.
The present invention has structure beneficial effect that is simple, at low cost, easy for construction, extending retaining wall service life.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Specific embodiment
Now in conjunction with attached drawing, the present invention is further illustrated:
As shown, a kind of drainage system of retaining wall, including, retaining wall 1 is the stickiness soil body 2 after the wall of retaining wall 1, special
Sign is that cavity is offered after 1 wall of retaining wall, and the bottom casting concrete base 5 of cavity fills out above concrete base layer 5
The stickiness soil body 2 of permeable or weak water penetration filler 4, permeable or weak 4 rear side of water penetration filler is spread since bottom every 1 ~ 1.5 meter
If one layer of gravel soil 3, the upper and lower level of every layer of gravel soil 3 is laid with dense mesh type strainer 9, and retaining wall 1 is provided with multilayer, and every layer is provided with
Outer low and inner high drainpipe 7, the inner end of drainpipe 7 are connected to collector pipe 8, which is located at permeable or weak water penetration filler 4
It is interior.
At least two layers of gravel soil 3.
The gradient of drainpipe 7 is the 4% ~ 6% of the gradient.
Dense mesh type strainer 9 is provided with 2 ~ 3 layers.
Drainpipe 7 is pvc pipe.
Collector pipe 8 wraps up 3 ~ 5 layers with dense mesh type strainer, is spaced circumferential fixed.
A kind of construction method of the drainage system of retaining wall, as follows:
S1 first pours the first layer of retaining wall 1, and the top surface of first layer is above the ground level；
S2 offers cavity after 1 wall of retaining wall, is poured concrete base layer 5 in subaerial position；
Drainpipe 7 and collector pipe 8 is arranged in S3 on the first layer of retaining wall 1；
S4 pours the preceding half storey in the second layer of retaining wall 1；
S5 inserts permeable or weak water penetration filler 4 in the cavity；
S6 cuts out the stickiness soil body 2 after 1 wall of retaining wall and reserves the 0.5-0.75 meters of height that are above the ground level, and is laid with dense mesh type strainer 9, sand
Gravel soil 3 and dense mesh type strainer 9；
S7 is poured retaining wall 1 after the rear half storey in the second layer, and drainpipe 7 and collector pipe 8 are arranged on the second layer；
S8 repeats step S5；
S9 backfills 21 ~ 1.5 meters of the stickiness soil body of height, is laid with dense mesh type strainer 9, gravel soil 3 and dense mesh type strainer 9；S10 casting
Third layer retaining wall 1 is laid with drainpipe 7 and collector pipe 8；
S11 repeats step S8, S9, and so on；
The retaining wall 1 of S12 the last layer, permeable or weak water penetration filler 4 and the stickiness soil body 2 are contour.
One layer height of the retaining wall 1 is identical as a layer height of the stickiness soil body 2, is 1 ~ 1.5 meter.
The present invention uses the form to clay after retaining wall using layering draining, and stream of the underground water in clay is effectively relieved
Dynamic, wall backwater is collected to collector pipe, is drained into earth's surface or gutter through drainpipe by drain hole.Functional in organized water drainage can prevent
It causes wall to carry on the back ponding because sluicing hole plug failure individually, guarantees that wall carries on the back soil stabilization, moreover it is possible to caused by avoiding inorganization from draining
Retaining wall metope washes away, pollutes and frost heave, extends retaining wall service life.
Using layering discharging mode, seepage water is avoided to concentrate on retaining wall bottom, so that each layer integrate draining Guan Junneng is preferable
Play a role.Operation of the present invention is simple, using existing versatile material, is improved construction and construction method, is had non-
Often high practicability and application value.
Claims (8)
1. a kind of drainage system of retaining wall, including, retaining wall (1) is the stickiness soil body (2), feature after the wall of retaining wall (1)
It is that cavity is offered after retaining wall (1) wall, the bottom casting concrete base (5) of cavity, above concrete base layer (5)
Permeable or weak water penetration filler (4) is filled out, the stickiness soil body (2) on rear side of permeable or weak water penetration filler (4) is every since bottom
Dense mesh type strainer (9) are laid with every the upper and lower level of 1 ~ 1.5 meter of laying, one layer of gravel soil (3), every layer of gravel soil (3), retaining wall (1) is set
It is equipped with multilayer, every layer is provided with outer low and inner high drainpipe (7), and the inner end of drainpipe (7) is connected to collector pipe (8), the collector pipe
(8) it is located in permeable or weak water penetration filler (4).
2. a kind of drainage system of retaining wall as described in claim 1, characterized in that at least two layers of the gravel soil (3).
3. a kind of drainage system of retaining wall as described in claim 1, characterized in that the gradient of the drainpipe (7) is
The 4% ~ 6% of the gradient.
4. a kind of drainage system of retaining wall as described in claim 1, characterized in that the dense mesh type strainer (9) is provided with 2
~ 3 layers.
5. a kind of drainage system of retaining wall as described in claim 1, characterized in that the drainpipe (7) is pvc pipe.
6. a kind of drainage system of retaining wall as described in claim 1, characterized in that the collector pipe (8) is filtered with dense mesh type
3 ~ 5 layers of net package is spaced circumferential fixed.
7. a kind of construction method of the drainage system of retaining wall, characterized in that as follows:
S1 first pours the first layer of retaining wall (1), and the top surface of first layer is above the ground level；
S2 offers cavity after retaining wall (1) wall, is poured concrete base layer (5) in subaerial position；
Drainpipe (7) and collector pipe (8) is arranged in S3 on the first layer of retaining wall (1)；
S4 pours the preceding half storey in the second layer of retaining wall (1)；
S5 inserts permeable or weak water penetration filler (4) in the cavity；
S6 cuts out the stickiness soil body (2) after retaining wall (1) wall and reserves the 0.5-0.75 meters of height that are above the ground level, and is laid with dense mesh type strainer
(9), gravel soil (3) and dense mesh type strainer (9)；
S7 is poured retaining wall (1) after the rear half storey in the second layer, and drainpipe (7) and collector pipe (8) are arranged on the second layer；
S8 repeats step S5；
S9 backfills (2) 1 ~ 1.5 meters of the stickiness soil body of height, is laid with dense mesh type strainer (9), gravel soil (3) and dense mesh type strainer
(9)；S10 is poured third layer retaining wall (1), is laid with drainpipe (7) and collector pipe (8)；
S11 repeats step S8, S9, and so on；
The retaining wall (1) of S12 the last layer, permeable or weak water penetration filler (4) and the stickiness soil body (2) are contour.
8. a kind of construction method of the drainage system of retaining wall as claimed in claim 7, characterized in that the retaining wall (1)
A layer height it is identical as a layer height of the stickiness soil body (2), be 1 ~ 1.5 meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810914270.1A CN109056785A (en) | 2018-08-13 | 2018-08-13 | The drainage system and its construction method of retaining wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810914270.1A CN109056785A (en) | 2018-08-13 | 2018-08-13 | The drainage system and its construction method of retaining wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109056785A true CN109056785A (en) | 2018-12-21 |
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ID=64683721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810914270.1A Pending CN109056785A (en) | 2018-08-13 | 2018-08-13 | The drainage system and its construction method of retaining wall |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003105746A (en) * | 2001-09-28 | 2003-04-09 | Haipaa:Kk | Design method for in-soil drainage layer and in-soil drainage structure |
| CN102864789A (en) * | 2012-08-17 | 2013-01-09 | 中铁四局集团第五工程有限公司 | Retaining wall drainage system and construction method thereof |
| CN103669398A (en) * | 2013-12-26 | 2014-03-26 | 中国水电顾问集团中南勘测设计研究院有限公司 | Integrated type road cutting retaining wall |
| RU2588152C1 (en) * | 2015-01-15 | 2016-06-27 | Евгений Александрович Суриков | Method of increasing shear stability of retaining wall |
| CN208777333U (en) * | 2018-08-13 | 2019-04-23 | 浙江科技学院 | The drainage system of retaining wall |
-
2018
- 2018-08-13 CN CN201810914270.1A patent/CN109056785A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003105746A (en) * | 2001-09-28 | 2003-04-09 | Haipaa:Kk | Design method for in-soil drainage layer and in-soil drainage structure |
| CN102864789A (en) * | 2012-08-17 | 2013-01-09 | 中铁四局集团第五工程有限公司 | Retaining wall drainage system and construction method thereof |
| CN103669398A (en) * | 2013-12-26 | 2014-03-26 | 中国水电顾问集团中南勘测设计研究院有限公司 | Integrated type road cutting retaining wall |
| RU2588152C1 (en) * | 2015-01-15 | 2016-06-27 | Евгений Александрович Суриков | Method of increasing shear stability of retaining wall |
| CN208777333U (en) * | 2018-08-13 | 2019-04-23 | 浙江科技学院 | The drainage system of retaining wall |
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