CN102864789A - Retaining wall drainage system and construction method thereof - Google Patents
Retaining wall drainage system and construction method thereof Download PDFInfo
- Publication number
- CN102864789A CN102864789A CN2012102928561A CN201210292856A CN102864789A CN 102864789 A CN102864789 A CN 102864789A CN 2012102928561 A CN2012102928561 A CN 2012102928561A CN 201210292856 A CN201210292856 A CN 201210292856A CN 102864789 A CN102864789 A CN 102864789A
- Authority
- CN
- China
- Prior art keywords
- retaining wall
- water
- drainage system
- header
- drainage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Abstract
The invention discloses a retaining wall drainage system and a construction method thereof. The retaining wall drainage system comprises a retaining wall and an inverted filter layer, wherein drainage pipes are arranged in the retaining wall; the retaining wall is provided with at least two layers; non-woven water-resisting layers and water collecting pipes are arranged at the bottom of the retaining wall; the water collecting pipes are tightly attached to the back of the retaining wall and are paved longitudinally; the bottom ends of the water collecting pipes are inserted into the drainage pipes; and a herringbone longitudinal slope is formed between adjacent two drainage pipes. The construction method comprises the following construction process steps of: pouring a concrete base of the inverted filter layer; constructing a section of retaining wall and embedding the drainage pipes; filling a gravel layer; paving the non-woven water-resisting layers; installing the water collecting pipes; repeating the steps to the top of the wall; pouring a top platform or backfilling clay to the top; and truncating surface water. The problem that the retaining wall drainage pipe is easy to block and easily fails is solved. The situations that the water catchment of the drainage pipes on the lower part is concentrated, water is not drained in time and water is not drained by the drainage pipes on the upper part when the water percolating capacity is large are relieved; and the foot of the wall can be prevented from being soaked by accumulated water. The invention has the characteristics that the retaining wall drainage system is easy to construct; the smoothness of the retaining wall drainage system is ensured; and the stability of the wall body and the stability of the soil body behind the wall are maintained.
Description
Technical field
The present invention relates to a kind of retaining wall drainage system and job practices thereof.
Background technology
Retaining wall can support Roadbed Soil or the hillside soil body, prevent from banketing or the soil deformation unstability, is present most widely used support structure thing in the engineerings such as highway, railway.Retaining wall structure is various informative, but " supporting+draining " the main constitute and function that is it.In use, the reasons such as the damage of drainage system is a common frequently-occurring disease, and is unreasonable owing to design, that construction is lack of standardization, material selection is improper cause loaded filter alluvial inefficacy, gutter to stop up, retaining wall forms water pocket or wall seam seepage behind, finally affects the stable of retaining wall structure.
Traditional loaded filter, seepage water be easy perpendicular flow in sandy gravel stratum, concentrates to the bottoms of retaining wall in a large number, the top gutter has lost the effect of draining, and seepage water compiles to point of gutter, and current are large, take away easily fine sand, erosion loaded filter, alluvial gutter end.
Summary of the invention
Its purpose of the present invention just is to provide a kind of retaining wall drainage system and job practices thereof, has solved the retaining wall gutter and has easily stopped up the problem of inefficacy.Alleviated that bottom gutter charge for remittance when water percolating capacity is larger is concentrated, draining is untimely, the anhydrous row's of top gutter situation, prevention ponding soaks foundation.Have the simple characteristics of construction, guaranteed the unobstructed of retaining wall drainage system, safeguarded the stable of the soil body behind body of wall and the wall.
The technical scheme that realizes above-mentioned purpose and take, comprise retaining wall and loaded filter, be provided with gutter in the retaining wall, described retaining wall is provided with at least two layers, the retaining wall bottom is provided with nonwoven water barrier and header, header is close to the vertically laying of the retaining wall back of the body, and insert in the gutter bottom of header, between adjacent two gutters the herringbone longitudinal gradient is set.
Described processing step is as follows:
(1) builds the concrete base layer of loaded filter;
(2) one section retaining wall of construction, pre-buried gutter;
(4) fill sandy gravel stratum, lay the nonwoven water barrier, header is installed;
(5) (2) more than the repetition, (3) step are until to the wall top;
(6) build top platform or top backfill clay, block the surface water.
Compared with prior art the present invention has the following advantages.
(1) solves the retaining wall gutter and easily stopped up the difficult problem of inefficacy;
(2) alleviated that bottom gutter charge for remittance when water percolating capacity is larger is concentrated, draining is untimely, the anhydrous row's of top gutter situation, prevention ponding soaks foundation;
(3) construction is simple.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing.
Fig. 1 is structural representation front view of the present invention.
Fig. 2 is structural representation lateral view of the present invention.
The specific embodiment
Native system and job practices comprise retaining wall 1 and loaded filter 6, be provided with gutter in the retaining wall 1, as shown in Figure 1, 2, described retaining wall 1 is provided with at least two layers, retaining wall 1 bottom is provided with nonwoven water barrier 5 and header 3, header 3 is close to the vertically laying of the retaining wall back of the body, and insert in the gutter 4 bottom of header 3, between adjacent two gutters the herringbone longitudinal gradient is set.
2～4 layers of described header 3 usefulness dense mesh type filter screens parcels, interval 20cm hoop is fixed; Described gutter 4 calibers are greater than the header caliber.
Described nonwoven water barrier 5 stretches in the loaded filter 6, and stretching into the degree of depth is 2/3 of loaded filter 6 width.
Top, described retaining wall 1 back side is concrete platform 2, and loaded filter 6 bottoms are provided with Concrete Anti water layer 7.
Described construction technology step is as follows:
(1) builds the concrete base layer of loaded filter;
(2) one section retaining wall of construction, pre-buried gutter;
(4) fill sandy gravel stratum, lay the nonwoven water barrier, header is installed;
(5) (2) more than the repetition, (3) step are until to the wall top;
(6) build top platform or top backfill clay, block the surface water.
The present invention improves the drainage system of loaded filter and gutter composition, adopts the form of layering draining, reduces underground water flowing in loaded filter, and header is set, and has prevented the gutter obstruction.The present invention is simple to operate, utilizes existing versatile material, and structure and job practices are improved, and has very high practicality and using value.
The present invention is provided with header, along retaining wall perforated plastic is set vertically and oozes (thoroughly) water pipe, is convenient to collect seepage water, has improved the current approach.Header is provided with longitudinal gradient, can Automatic clearance enters the silt of pipeline.Current flow into gutter fast from header, are conducive to silt is gone out pipeline.
Take the layering discharging mode, in loaded filter, be provided with waterproof nonwoven water barrier, strengthened the ability that header is collected seepage water, slowed down seepage water to the flowing of loaded filter bottom, so that each layer collection gutter all can play a role preferably.
The present invention includes
The selection of 1 material
Water proof material: waterproof geotextiles.
Filter screen: 400 order polyethylene filter screens.
Filtrate: prototype gradation gravel.
Header: perforated plastic oozes (thoroughly) water pipe.
Gutter: plastic pipe.Caliber is greater than header.
Concrete: C20 builds the loaded filter bottom.
2 loaded filters fill
The thickness of loaded filter is relevant with execution conditions, and execution conditions better, the single filled height is less than 1.0m, and loaded filter 30cm is thick to be advisable; The execution conditions of loaded filter are relatively poor, and the single filled height should increase the thickness of loaded filter greater than 1.0m, conveniently fills.
Graded gravel successively fills closely knit, and in the time should not maybe can't tamping, it is closely knit to answer layering to water.
3 collection gutters are installed
Header wraps up 2～4 layers with the dense mesh type filter screen, and interval 20cm hoop is fixed.Header is close to the vertically laying of the wall back of the body, between adjacent two gutters the herringbone longitudinal gradient is set, and lays together fluid-tight geotextiles in the sandy gravel stratum at the bottom of the header.The bottom of header is inserted in the gutter through walls.Drainpipe pre-buried arranges the flowing water slope to the wall outside in retaining wall.Gutter is arranged on the lowest part that charge for remittance is concentrated, and for accelerating drainage effect, gutter prolongs 20cm to be imbedded in the sandy gravel stratum, and perforate, wraps up 2～4 layers (containing the termination) with the dense mesh type filter screen.
The construction of 4 retaining walls
Retaining wall or build by laying bricks or stones or cast-in-place needs firm closely knit, water-tight.When cast-in-place, lay barrier material at completed loaded filter, prevent that cement paste from flowing into sandy gravel stratum, shutoff gravel space.
5 effect detection
(1) filtrate and gutter are up-to-standard, job specfication, and filtrate fills closely knit, and gutter is laid by figure, and parcel is appropriate.
(2) the retaining wall body of wall is firm, the completed drainage ditch of protection in the wall construction.
(3) before the construction wall roof panel, to the loaded filter inspection drainage effect of pouring water.
Claims (5)
1. retaining wall drainage system, comprise retaining wall (1) and loaded filter (6), be provided with gutter (4) in the retaining wall (1), it is characterized in that, described retaining wall (1) is provided with at least two layers, and retaining wall (1) bottom is provided with nonwoven water barrier (5) and header (3), and header (3) is close to retaining wall (1) back of the body and is vertically laid, insert in the gutter (4) bottom of header (3), between adjacent two gutters the herringbone longitudinal gradient is set.
2. a kind of retaining wall drainage system according to claim 1 is characterized in that, described header (3) wraps up 2～4 layers with the dense mesh type filter screen, and interval 20cm hoop is fixed; Described gutter (4) caliber is greater than the header caliber.
3. a kind of retaining wall drainage system according to claim 1 is characterized in that, described nonwoven water barrier (5) stretches in the loaded filter (6), and stretching into the degree of depth is 2/3 of loaded filter (6) width.
4. a kind of retaining wall drainage system according to claim 1 is characterized in that, described retaining wall (1) top, the back side is concrete platform (2), and loaded filter (6) bottom is provided with Concrete Anti water layer (7).
5. a kind of retaining wall drainage system construction technology according to claim 1 is characterized in that, comprises that processing step is as follows:
(1) builds the concrete base layer of loaded filter;
(2) one section retaining wall of construction, pre-buried gutter;
(3) fill sandy gravel stratum, lay the nonwoven water barrier, header is installed;
(4) (2) more than the repetition, (3) step are until to the wall top;
(5) build top platform or top backfill clay, block the surface water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210292856.1A CN102864789B (en) | 2012-08-17 | 2012-08-17 | A kind of construction method of retaining wall drainage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210292856.1A CN102864789B (en) | 2012-08-17 | 2012-08-17 | A kind of construction method of retaining wall drainage system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102864789A true CN102864789A (en) | 2013-01-09 |
| CN102864789B CN102864789B (en) | 2015-09-30 |
Family
ID=47443900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210292856.1A Active CN102864789B (en) | 2012-08-17 | 2012-08-17 | A kind of construction method of retaining wall drainage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102864789B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104912097A (en) * | 2015-06-08 | 2015-09-16 | 四川睿铁科技有限责任公司 | Novel retaining wall reverse-filtering drainage system and construction method |
| CN105002927A (en) * | 2015-06-15 | 2015-10-28 | 湖北工业大学 | Construction method for excavation slope retaining wall reversed filter layer |
| CN108005105A (en) * | 2017-11-30 | 2018-05-08 | 中国冶集团有限公司 | A kind of mountainous region retaining wall and its construction method based on sponge city |
| CN109056785A (en) * | 2018-08-13 | 2018-12-21 | 浙江科技学院 | The drainage system and its construction method of retaining wall |
| CN109339095A (en) * | 2018-11-26 | 2019-02-15 | 中国冶集团有限公司 | Retaining wall drainage system and its wall carry on the back loaded filter construction method |
| CN110042859A (en) * | 2019-05-14 | 2019-07-23 | 中建五局土木工程有限公司 | Retaining wall anti-filter body and its construction method |
| CN113235649A (en) * | 2021-05-20 | 2021-08-10 | 武汉市汉阳市政建设集团有限公司 | Retaining wall assembly type reverse filter bag construction method |
| CN114150572A (en) * | 2021-12-30 | 2022-03-08 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Assembly type buffer structure for abutment back of transition section of railway road bridge and construction method thereof |
| CN116876465A (en) * | 2023-09-07 | 2023-10-13 | 华能澜沧江水电股份有限公司 | Integrated drain pipe, drain system and construction method of drain system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08120693A (en) * | 1994-10-26 | 1996-05-14 | Paritei Jipangu:Kk | Retaining wall |
| CN2515247Y (en) * | 2001-11-12 | 2002-10-09 | 黄瑞麟 | Drainage structure for retaining wall |
| JP2007177586A (en) * | 2005-12-28 | 2007-07-12 | Takenaka Komuten Co Ltd | Carbon dioxide fixing retaining wall |
| CN200992708Y (en) * | 2006-12-19 | 2007-12-19 | 上海勘测设计研究院 | Stereo drainage system in back fill behind retaining wall |
| CN101100862A (en) * | 2006-07-07 | 2008-01-09 | 贵阳铝镁设计研究院 | Method for manufacturing road cutting type protecting wall and structure thereof |
-
2012
- 2012-08-17 CN CN201210292856.1A patent/CN102864789B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08120693A (en) * | 1994-10-26 | 1996-05-14 | Paritei Jipangu:Kk | Retaining wall |
| CN2515247Y (en) * | 2001-11-12 | 2002-10-09 | 黄瑞麟 | Drainage structure for retaining wall |
| JP2007177586A (en) * | 2005-12-28 | 2007-07-12 | Takenaka Komuten Co Ltd | Carbon dioxide fixing retaining wall |
| CN101100862A (en) * | 2006-07-07 | 2008-01-09 | 贵阳铝镁设计研究院 | Method for manufacturing road cutting type protecting wall and structure thereof |
| CN200992708Y (en) * | 2006-12-19 | 2007-12-19 | 上海勘测设计研究院 | Stereo drainage system in back fill behind retaining wall |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104912097A (en) * | 2015-06-08 | 2015-09-16 | 四川睿铁科技有限责任公司 | Novel retaining wall reverse-filtering drainage system and construction method |
| CN105002927A (en) * | 2015-06-15 | 2015-10-28 | 湖北工业大学 | Construction method for excavation slope retaining wall reversed filter layer |
| CN108005105B (en) * | 2017-11-30 | 2020-05-05 | 中国一冶集团有限公司 | Mountain land retaining wall based on sponge city and construction method thereof |
| CN108005105A (en) * | 2017-11-30 | 2018-05-08 | 中国冶集团有限公司 | A kind of mountainous region retaining wall and its construction method based on sponge city |
| CN109056785A (en) * | 2018-08-13 | 2018-12-21 | 浙江科技学院 | The drainage system and its construction method of retaining wall |
| CN109339095A (en) * | 2018-11-26 | 2019-02-15 | 中国冶集团有限公司 | Retaining wall drainage system and its wall carry on the back loaded filter construction method |
| CN109339095B (en) * | 2018-11-26 | 2021-04-02 | 中国一冶集团有限公司 | Retaining wall drainage system and wall back inverted filter layer construction method thereof |
| CN110042859A (en) * | 2019-05-14 | 2019-07-23 | 中建五局土木工程有限公司 | Retaining wall anti-filter body and its construction method |
| CN110042859B (en) * | 2019-05-14 | 2023-12-29 | 中建五局土木工程有限公司 | Retaining wall reverse filter body and construction method thereof |
| CN113235649A (en) * | 2021-05-20 | 2021-08-10 | 武汉市汉阳市政建设集团有限公司 | Retaining wall assembly type reverse filter bag construction method |
| CN114150572A (en) * | 2021-12-30 | 2022-03-08 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Assembly type buffer structure for abutment back of transition section of railway road bridge and construction method thereof |
| CN114150572B (en) * | 2021-12-30 | 2023-09-05 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Railway road bridge transition section bench back assembled buffer structure and construction method thereof |
| CN116876465A (en) * | 2023-09-07 | 2023-10-13 | 华能澜沧江水电股份有限公司 | Integrated drain pipe, drain system and construction method of drain system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102864789B (en) | 2015-09-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102864789B (en) | A kind of construction method of retaining wall drainage system | |
| CN103410167B (en) | Three-dimensional reinforced rigid-soft composite ecological retaining wall and construction method | |
| CN109056786A (en) | Face upward inclined road shoulder wall water drainage behind the wall system and construction method | |
| CN113445396B (en) | High-fill road foundation filling construction method for high liquid limit soil road section | |
| CN205387720U (en) | Tertiary light -duty retaining structure of double circular pile pile foundation of superelevation embankment | |
| CN101914918A (en) | High-steep side slope and intensely weathered bed rock solid waste landfill site seepage prevention structure and treatment method thereof | |
| CN104234061A (en) | Reinforced ecological concrete revetment and construction method thereof | |
| CN103643689B (en) | A kind of pipe type underground water drainage blind ditch and construction technology thereof and application | |
| CN104912097A (en) | Novel retaining wall reverse-filtering drainage system and construction method | |
| CN104652181B (en) | Light supporting structure for existing railway station roadbed on filling roadbed | |
| CN208280161U (en) | The compound retaining wall structure of antifouling type reinforcement pervious concrete | |
| CN207944450U (en) | soft foundation reinforcing structure | |
| CN107700523B (en) | Drainage system of prefabricated upward inclined retaining wall and construction method | |
| CN205035768U (en) | Enrockment concrete permeable dike | |
| CN219410355U (en) | Flexible side-width structure of high-fill embankment of existing railway | |
| CN110528347B (en) | Permeable embankment structure applied to gully section and construction method thereof | |
| CN203716273U (en) | Multifunctional ecological draining gutter | |
| CN203741852U (en) | Tubular groundwater drainage and seepage blind ditch | |
| CN203716271U (en) | Ecological drainage ditch based on water quality on-line monitoring | |
| CN109339095A (en) | Retaining wall drainage system and its wall carry on the back loaded filter construction method | |
| CN112575638B (en) | Roadbed reinforcing structure adopting steel reinforcement cage bamboo shoot piles and construction process of roadbed reinforcing structure | |
| CN211228563U (en) | Assembled groundwater drainage blind ditch drainage system that oozes | |
| CN107700500B (en) | Slope retaining structure and slope supporting drain integral system | |
| CN206477347U (en) | The water storage structure of basement | |
| CN205907709U (en) | Barricade loaded filter structure behind one's back |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |