CN116084385A - High slope construction drainage structure and construction method thereof - Google Patents
High slope construction drainage structure and construction method thereof Download PDFInfo
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- CN116084385A CN116084385A CN202211661421.XA CN202211661421A CN116084385A CN 116084385 A CN116084385 A CN 116084385A CN 202211661421 A CN202211661421 A CN 202211661421A CN 116084385 A CN116084385 A CN 116084385A
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- drainage
- drain pipe
- high slope
- drain
- pipe body
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- 238000010276 construction Methods 0.000 title claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000000835 fiber Substances 0.000 claims abstract description 14
- 238000001914 filtration Methods 0.000 claims abstract description 11
- 239000004575 stone Substances 0.000 claims abstract description 11
- 239000004744 fabric Substances 0.000 claims abstract description 9
- 239000004746 geotextile Substances 0.000 claims abstract description 9
- 238000005553 drilling Methods 0.000 claims description 8
- 239000004570 mortar (masonry) Substances 0.000 claims description 5
- 239000011449 brick Substances 0.000 claims description 4
- 244000025254 Cannabis sativa Species 0.000 claims description 3
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 claims description 3
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 235000009120 camo Nutrition 0.000 claims description 3
- 235000005607 chanvre indien Nutrition 0.000 claims description 3
- 239000011487 hemp Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000002689 soil Substances 0.000 description 16
- 239000003673 groundwater Substances 0.000 description 8
- 239000004576 sand Substances 0.000 description 8
- 241000196324 Embryophyta Species 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000011469 building brick Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/10—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/10—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains
- E02D3/103—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains by installing wick drains or sand bags
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Water Supply & Treatment (AREA)
- Public Health (AREA)
- Hydrology & Water Resources (AREA)
- Health & Medical Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Retaining Walls (AREA)
Abstract
The invention discloses a high slope construction drainage structure and a construction method thereof, and belongs to the technical field of high slope protection, wherein the drainage structure comprises a plurality of drainage pipes which are arranged in parallel, the drainage pipes comprise a plurality of drainage pipes which are connected in sequence, a rubber expansion band which is arranged between the adjacent drainage pipes, geotextile which is connected to the end part of the outermost drainage pipe, and a broken stone inverted filter which is arranged outside the drainage pipes; the drain pipe body is provided with a plurality of through holes, the inside of the drain pipe body is provided with fiber bundles along the length direction, and the lower end of the outer side of the drain pipe connected with geotechnical cloth is provided with a water drain opening. The invention solves the problems of insufficient durability, easy hole blockage and unsmooth drainage of the traditional drain pipe through the matching arrangement of the drain pipe, the rubber telescopic belt, the geotechnical cloth and the broken stone reverse filtering layer.
Description
Technical Field
The invention belongs to the technical field of high slope protection, and particularly relates to a high slope construction drainage structure and a construction method thereof.
Background
Along with the rapid development of the economy in China, the problem of side slopes is often involved in the infrastructure construction, and the stability of the side slopes is a key for influencing the engineering quality, the project cost and the construction progress. Engineering practice shows that in rainfall or groundwater rich areas, unreasonable drainage design or failure is an important cause of slope instability. For a common side slope, because the height is lower and the catchment area is smaller, the drainage parameters can generally meet the requirements according to the standard or experience method; however, in the case of a high slope having a rock slope height of 15 to 30m or a soil slope of 10 to 15m, the hydrologic and geological conditions are complex, and various forms such as slope flow, water supply, slope diving and pressure-bearing water are involved, so that it is necessary to consider the design of a drainage system alone.
The drainage pipe of traditional drilling drainage is widely applied to engineering practice with arranging nimble and construction convenience's advantage, but the phenomenon that the drain pipe of traditional drilling drainage has silt to block up hole or body because of soil body deformation is broken by the fracturing along with the lapse of time, especially in weak soil, clay area show more showing, along with silt to block up hole or body destruction, the drain pipe has lost drainage function for groundwater gathers in the high side slope and causes the soil body shear strength to drop sharply, very easily causes accidents such as side slope collapse, landslide.
Disclosure of Invention
In order to solve the technical problems, the inventor obtains the technical proposal of the invention through practice and summary, and aims at solving the problems that the prior drain pipe is easy to block, the durability of the drain pipe is insufficient and the drainage is not smooth in the high slope, the invention discloses a high slope construction drain structure, the drain structure comprises a plurality of drain pipe bodies which are arranged in parallel, the drain pipe bodies comprise a plurality of drain pipes which are connected in sequence, a rubber expansion band which is arranged between the adjacent drain pipes, geotechnical cloth which is connected at the end part of the drain pipe at the outermost side, and a broken stone reverse filtering layer which is arranged at the outer side of the drain pipe body; the drain pipe body is provided with a plurality of through holes, the inside of the drain pipe body is provided with fiber bundles along the length direction, and the lower end of the outer side of the drain pipe connected with geotechnical cloth is provided with a water drain opening. The rubber telescopic belt is arranged to resist water and soil pressure, and can perform telescopic displacement under the condition of deformation and compression of soil body, so that the drain pipe is prevented from being broken by fracturing; the geotechnical cloth is arranged to wrap the end part of the drain pipe body, so that the drain pipe can be effectively prevented from being blocked due to sand, soil and water flowing into the drain pipe; the broken stone reverse filtering layer is arranged to play a role in reverse filtering, sand and soil are prevented from entering the drain pipe to a certain extent, and plants are prevented from growing on the periphery of the drain pipe and then damaging the drain pipe.
Further preferably, a drainage ditch which is correspondingly matched with the water drain is arranged below the water drain.
Further preferably, the drainage ditch is concave structure, a waterproof mortar layer is arranged on the inner wall of the drainage ditch, a longitudinal and transverse brick drainage ditch is arranged around the side slope and the weight, and meanwhile, a certain gradient is formed on the waterproof mortar plastering in the drainage ditch so as to facilitate drainage.
Further preferably, the plurality of through holes are arranged at equal intervals in a quincuncial structure.
Still preferably, the drainage structure further comprises a concrete precast block, wherein the concrete precast block is arranged in the structure center surrounded by a plurality of drainage pipe bodies, and the concrete precast block is used for manufacturing a ballast slope protection, so that high slope collapse and lateral sliding can be effectively prevented.
Further preferably, the drain pipe is made of PVC material, and the drain pipe has a diameter of 50mm.
The invention also discloses a construction method of the high slope construction drainage structure, which comprises the following steps:
drilling holes on each drain pipe by using a drilling machine according to the quincuncial spacing of 300mm, connecting a plurality of drain pipes by using a rubber telescopic belt to form a drain pipe body, and firmly adhering joints by using an adhesive;
arranging fiber bundles in the drain pipe body in parallel along the connection direction of the drain pipe, and tying the fiber bundles on the through holes of the drain pipe in a penetrating way;
wrapping and plugging the end head of the drain pipe at the outermost side by using geotextile, binding and binding the geotextile and the drain pipe by using hemp ropes, and arranging a graded broken stone reverse filtering layer at the outer side of the drain pipe;
and fourthly, finishing the side slope, installing concrete precast blocks, weighting, and building bricks and building the drainage ditch.
Compared with the prior art, the invention can obtain the following technical effects:
according to the drainage structure for high-side slope construction, the problems of insufficient durability, easiness in hole blocking and unsmooth drainage of the traditional drainage pipe are solved through the matched arrangement of the drainage pipe, the rubber telescopic belt, the geotechnical cloth and the crushed stone reverse filtering layer; and along with the time, the grit earth that groundwater carried will inevitably get into the drain pipe to grit earth is roughly arranged according to the axis direction of hole, and this drainage structure is through setting up the fibre bundle and is transmitted groundwater in the drain pipe, even like this grit earth gets into the drain pipe and blocks up the drain pipe completely, because the effect of head difference, groundwater also can ooze along the interface between fibre bundle and the grit earth.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort.
FIG. 1 is a cross-sectional view of the present invention;
fig. 2 is a plan view of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The implementation of the present invention will be described in detail below with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limitations of the present patent, and specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.
Examples
As shown in fig. 1-2, a drainage structure for high slope construction is composed of a plurality of drainage pipe bodies 2 and concrete precast blocks 1 which are arranged in parallel, wherein one concrete precast block 1 is positioned at the center of a structure surrounded by four drainage pipe bodies 2, the concrete precast blocks 1 are adopted to manufacture a ballast slope protection, so that the collapse and the lateral sliding of the high slope can be effectively prevented, and the drainage pipe bodies 2 are composed of two drainage pipes, rubber telescopic belts 3, geotextiles 4 and a crushed stone reversed filter layer 22; the two drainage pipes are sequentially connected and arranged and mainly made of PVC materials, the diameter of each drainage pipe is 50mm, the rubber telescopic belt 3 is arranged between the two drainage pipes, can resist water and soil pressure, can perform telescopic displacement under the condition of soil deformation compression, and avoids the drainage pipes from being broken by fracturing; geotechnical cloth 4 is connected to the end part of the drain pipe at the outermost side, wraps the end part of the drain pipe body 2, and can effectively prevent sand and soil from rushing into the drain pipe to cause drain pipe blockage; the crushed stone reverse filtering layer 22 is arranged on the outer side of the drain pipe body 2, plays a role in reverse filtering, and can block sand and soil from entering the drain pipe to a certain extent, so that plants are prevented from growing on the periphery of the drain pipe and damaging the drain pipe.
Meanwhile, the drain pipe body 2 is provided with a plurality of through holes 21 which are arranged at equal intervals in a quincuncial structure; the inside of the drain pipe body 2 is provided with fiber bundles along the length direction, sand and soil carried by groundwater inevitably enter the drain pipe along the time, the sand and soil are arranged approximately along the axis direction of the hole, and the groundwater is transmitted by arranging the fiber bundles in the drain pipe, so that even if the sand and soil enters the drain pipe and completely blocks the drain pipe, the groundwater can seep along the interface between the fiber bundles and the sand and soil due to the action of water head difference; the drain pipe connected with geotechnical cloth 4 is provided with a drain port 5 at the lower end of the outer side, a drain ditch 6 corresponding to the drain port 5 is arranged below the drain port 5, the drain ditch 6 is arranged in a concave structure, a waterproof mortar layer is arranged on the inner wall of the drain ditch, a longitudinal and transverse brick drain ditch is arranged around a side slope and a weight, and a certain gradient is formed by the waterproof mortar plastering in the drain ditch so as to facilitate drainage.
The construction method of the high slope construction drainage structure comprises the following specific steps:
step one, drilling holes on each drain pipe by using a drilling machine according to the quincuncial spacing of 300mm, and connecting a plurality of drain pipes by using a rubber telescopic belt 3 to form a drain pipe body 2, wherein the joints are firmly adhered by using an adhesive;
arranging fiber bundles in the drain pipe body 2 in parallel along the connection direction of the drain pipe, and tying the fiber bundles on the through holes 21 of the drain pipe;
step three, wrapping and plugging the end head of the drain pipe at the outermost side by using geotextile 4, binding and binding the geotextile 4 and the drain pipe by using hemp ropes, and then arranging a graded broken stone reverse filtering layer 22 at the outer side of the drain pipe body 2;
and fourthly, finishing the side slope, installing the concrete precast block 1, weighting, and then building the brick drainage ditch 6.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (7)
1. The utility model provides a high side slope construction drainage structures which characterized in that: the drainage structure comprises a plurality of drainage pipe bodies (2) which are arranged in parallel, wherein each drainage pipe body (2) comprises a plurality of drainage pipes which are connected in sequence, a rubber telescopic belt (3) which is arranged between the adjacent drainage pipes, geotextile (4) which is connected to the end part of the outermost drainage pipe, and a broken stone reverse filtering layer (22) which is arranged on the outer side of each drainage pipe body (2);
the novel water draining pipe is characterized in that a plurality of through holes (21) are formed in the water draining pipe body (2), fiber bundles are arranged in the water draining pipe body (2) along the length direction, and a water draining port (5) is formed in the lower end of the outer side of the water draining pipe, which is connected with geotechnical cloth (4).
2. The high slope construction drainage structure according to claim 1, wherein: a drainage ditch (6) which is correspondingly matched with the water discharge port (5) is arranged below the water discharge port.
3. The high slope construction drainage structure according to claim 2, wherein: the drainage ditch (6) is arranged in a concave structure, and a waterproof mortar layer is arranged on the inner wall of the drainage ditch.
4. The high slope construction drainage structure according to claim 1, wherein: the through holes are arranged at equal intervals in a quincuncial structure.
5. The high slope construction drainage structure according to claim 1, wherein: the drainage structure further comprises a concrete precast block (1), and the concrete precast block (1) is arranged in the center of the structure surrounded by the plurality of drainage pipe bodies (2).
6. The high slope construction drainage structure according to claim 1, wherein: the drain pipe is made of PVC material, and the diameter of drain pipe is 50mm.
7. A construction method of a high slope construction drainage structure according to claim 1, comprising the steps of:
drilling holes on each drain pipe by using a drilling machine according to the quincuncial spacing of 300mm, and connecting a plurality of drain pipes by using a rubber telescopic belt (3) to form a drain pipe body (2), wherein the joints are firmly adhered by using an adhesive; arranging fiber bundles in the drain pipe body (2) in parallel along the connection direction of the drain pipe, and tying the fiber bundles on the through holes (21) of the drain pipe in a penetrating way; wrapping and plugging the end head of the drain pipe at the outermost side by using geotextile (4), binding and binding the geotextile (4) and the drain pipe by using hemp ropes, and then arranging a graded broken stone reverse filtering layer (22) at the outer side of the drain pipe body (2); and fourthly, finishing the side slope, installing the concrete precast block (1) for weighting, and then building the brick drainage ditch (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211661421.XA CN116084385A (en) | 2022-12-23 | 2022-12-23 | High slope construction drainage structure and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211661421.XA CN116084385A (en) | 2022-12-23 | 2022-12-23 | High slope construction drainage structure and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116084385A true CN116084385A (en) | 2023-05-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211661421.XA Pending CN116084385A (en) | 2022-12-23 | 2022-12-23 | High slope construction drainage structure and construction method thereof |
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| Country | Link |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1285441A (en) * | 2000-09-13 | 2001-02-28 | 中国科学院地质研究所 | Drain hole fiber bundle seepage-guilding method and apparatus |
| CN203668912U (en) * | 2013-12-17 | 2014-06-25 | 中国水电顾问集团华东勘测设计研究院有限公司 | Structure for embedding drain pipe in concrete |
| CN103882880A (en) * | 2014-04-16 | 2014-06-25 | 中冶集团武汉勘察研究院有限公司 | Buried type side slope drainage system and construction method thereof |
| CN105421331A (en) * | 2015-11-27 | 2016-03-23 | 淮海工学院 | Anti-bending drainage channel for soft soil drainage consolidation |
| WO2019000776A1 (en) * | 2017-06-30 | 2019-01-03 | 浙江大学 | Side slope underground water drilling self-starting negative pressure drainage system and method |
| CN113513012A (en) * | 2021-03-21 | 2021-10-19 | 深圳市工勘岩土集团有限公司 | High slope drainage structure filled with soil and construction method thereof |
-
2022
- 2022-12-23 CN CN202211661421.XA patent/CN116084385A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1285441A (en) * | 2000-09-13 | 2001-02-28 | 中国科学院地质研究所 | Drain hole fiber bundle seepage-guilding method and apparatus |
| CN203668912U (en) * | 2013-12-17 | 2014-06-25 | 中国水电顾问集团华东勘测设计研究院有限公司 | Structure for embedding drain pipe in concrete |
| CN103882880A (en) * | 2014-04-16 | 2014-06-25 | 中冶集团武汉勘察研究院有限公司 | Buried type side slope drainage system and construction method thereof |
| CN105421331A (en) * | 2015-11-27 | 2016-03-23 | 淮海工学院 | Anti-bending drainage channel for soft soil drainage consolidation |
| WO2019000776A1 (en) * | 2017-06-30 | 2019-01-03 | 浙江大学 | Side slope underground water drilling self-starting negative pressure drainage system and method |
| CN113513012A (en) * | 2021-03-21 | 2021-10-19 | 深圳市工勘岩土集团有限公司 | High slope drainage structure filled with soil and construction method thereof |
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