CN112281755A - Novel seepage drainage system of earth and rockfill dam - Google Patents
Novel seepage drainage system of earth and rockfill dam Download PDFInfo
- Publication number
- CN112281755A CN112281755A CN202011337667.2A CN202011337667A CN112281755A CN 112281755 A CN112281755 A CN 112281755A CN 202011337667 A CN202011337667 A CN 202011337667A CN 112281755 A CN112281755 A CN 112281755A
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- Prior art keywords
- earth
- seepage
- rockfill dam
- dam
- pipe
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Links
- 230000008595 infiltration Effects 0.000 claims abstract description 30
- 238000001764 infiltration Methods 0.000 claims abstract description 30
- 239000011435 rock Substances 0.000 claims abstract description 17
- 239000004575 stone Substances 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 239000004744 fabric Substances 0.000 claims description 5
- 239000004746 geotextile Substances 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 239000011148 porous material Substances 0.000 abstract description 4
- 238000007712 rapid solidification Methods 0.000 abstract 1
- 238000001914 filtration Methods 0.000 description 7
- 238000007599 discharging Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 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
- 230000005855 radiation Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/02—Fixed barrages
- E02B7/04—Dams across valleys
- E02B7/06—Earth-fill dams; Rock-fill dams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- 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
- E03F3/00—Sewer pipe-line systems
- E03F3/06—Methods of, or installations for, laying sewer pipes
Abstract
The invention discloses a novel seepage drainage system of an earth and rockfill dam, which comprises an earth and rockfill dam body, wherein a plurality of S-shaped seepage drainage pipes which are arranged in two rows and a plurality of rows are arranged inside the earth and rockfill dam body, the S-shaped seepage drainage pipes are provided with a plurality of discharge ports and are communicated with corresponding inlet ends of seepage drainage main pipes, the outlet ends of the seepage drainage main pipes penetrate through the earth and rockfill dam body and then are communicated with a stone masonry seepage drainage ditch at the downstream of the earth and rockfill dam body, and four horizontal reverse filter layers which are parallel to the downstream dam slope of the earth and rockfill dam body are arranged at the downstream dam slope of the earth and rockfill dam body. The seepage drainage system is used for accelerating the rapid solidification and settlement of the dam body of the homogeneous earth-rock dam, can efficiently collect and quickly drain pore water, is not easy to physically block the drainage filter pipe, and can keep the infiltration line of the earth-rock dam low for a long time so as to ensure the stability of the earth-rock dam.
Description
Technical Field
The invention relates to the field of seepage drainage systems of earth and rockfill dams, in particular to a novel seepage drainage system of an earth and rockfill dam.
Background
The earth and rockfill dam has the advantages of easy material selection, low manufacturing cost, simple structure and the like, but the seepage problem of the earth and rockfill dam is a key technical problem for reasonable design of water conservancy workers.
The seepage problem of the earth-rock dam causes the underground water level to rise, so that downstream cultivated land is swabbed and salinized, the salinization disaster is serious day by day, and the life and production of downstream residents are influenced; the seepage problem of the earth-rock dam is directly related to the cost and the safety of the earth-rock dam engineering, and many broken or destroyed earth-rock dam engineering at home and abroad are caused by seepage, so that reasonable seepage control is a necessary condition for ensuring the safe operation of the earth-rock dam.
Disclosure of Invention
Therefore, the present invention provides a novel seepage drainage system for earth and rockfill dams to solve the above problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an earth and rockfill dam's novel system of oozing of arranging, it includes earth and rockfill dam body, its characterized in that: the earth and rockfill dam is inside to have a plurality ofly to be "S" type row infiltration pipe that two multirow settings were listed as, "S" type row infiltration pipe is provided with a plurality of discharge ports and is linked together with row 'S infiltration person in charge' S entrance point that corresponds, row 'S infiltration person in charge' S exit end runs through earth and rockfill dam body, then leads to and is located the stone row infiltration ditch is built to the thick liquid of earth and rockfill dam body low reaches department, the low reaches dam slope department of earth and rockfill dam body is provided with the quadruple and is on a parallel with the low reaches dam slope of earth and rockfill dam body and the inverted filter layer of level setting.
Further, as preferred, the both ends of "S" type row infiltration pipe all are provided with the shutoff body, the shutoff body includes first shutoff body, non-woven geotechnological cloth and white steel mesh.
Further, as preferred, a plurality of seepage holes are formed in the pipe wall of the S-shaped seepage discharge pipe at equal intervals, and the outer surface of the S-shaped seepage discharge pipe is sequentially wrapped with a geotechnical mat and geotechnical cloth.
Further, as preferred, the main pipe of row oozes adopts the no infiltration hole steel pipe that the diameter is 300 ~ 400 mm.
Further, preferably, the S-shaped drainage and filtration pipe adopts 2/3 seepage holes occupying the perimeter, no seepage hole is arranged on a steel pipe with the diameter of 200-300 mm on one side of the downstream of the dam body of the earth-rock dam, and the arrangement gradient of the S-shaped drainage and filtration pipe is the same as that of the upstream dam slope of the dam body of the earth-rock dam.
Compared with the prior art, the invention has the beneficial effects that:
1. the seepage drainage system does not use auxiliary equipment such as a vacuum pump and the like, can efficiently and quickly collect the pore water of the dam body and can quickly drain the pore water out of the dam body, thereby achieving the purposes of accelerating the consolidation of the dam body, improving the strength of the dam body, improving the stability of the earth-rock dam and the like.
2. The seepage drainage system mainly comprises two rows and a plurality of rows of S-shaped seepage drainage pipelines parallel to the upstream dam slope of the earth-rock dam, and an externally wrapped geotechnical mat and geotechnical cloth so as to prevent the physical blockage of the seepage drainage pipelines, and the radiation area of the pipelines arranged by the method is wider than that of other seepage drainage modes; and a drainage main pipe which is inclined at an angle of 3-5 degrees and penetrates through the downstream dam slope is communicated with a downstream stone masonry drainage ditch, and 4 layers of reverse filter layers which are horizontal and parallel to the downstream dam slope are arranged at the downstream dam slope, so that the dam body or dam foundation protected soil can be prevented from being separated out along with seepage, and the pore water can be ensured to smoothly flow out.
Drawings
FIG. 1 is a schematic diagram of the overall construction of a novel seepage drainage system for an earth and rockfill dam;
FIG. 2 is a top view of an S-shaped drainage and filtration pipe in the novel drainage and filtration system of an earth and rockfill dam;
FIG. 3 is a schematic structural view of an S-shaped drainage and filtration pipe in the novel drainage and filtration system of an earth and rockfill dam;
fig. 4 is a partially enlarged schematic view of a portion a in fig. 1.
In the figure: 1. an S-shaped drainage and infiltration pipe; 2. an earth and rockfill dam body; 3. a main drainage pipe; 4. a stone masonry drainage ditch; 5. a reverse filtering layer; 6. a water seepage hole; 7. a geotechnical mat; 8. geotextile; 9. a first occluding body; 10. non-woven geotextile; 11. a white steel mesh; 12. and (6) infiltrating the lines.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b): referring to fig. 1-4, reference numeral 12 in the drawings is a wetting line, and the present invention provides a technical solution: the utility model provides a novel seepage drainage system of earth and rockfill dam, it includes earth and rockfill dam body 2, earth and rockfill dam body 2 is inside to have a plurality of "S" type row ' S infiltration discharge pipes 1 that are two rows of multirow settings, S "type row ' S infiltration discharge pipes 1 is provided with a plurality of discharge ports and is linked together with row ' S infiltration discharge main pipe 3 corresponding entrance point, the exit end of row ' S infiltration discharge main pipe 3 is 3 ~ 5 slopes and runs through earth and rockfill dam body 2, then lead to the stone masonry row infiltration ditch 4 that is located earth and rockfill dam body 2 low reaches department, the low reaches dam slope department of earth and rockfill dam body 2 is provided with the low reaches dam slope that the four layers is on a parallel with earth and rockfill dam body 2 and the level setting ' S reversed filter layer 5, can prevent earth and rockfill dam body 2 or dam foundation from being separated out along with the infiltration, can. Specifically, the S-shaped row infiltration pipes 1 are separated into two rows to prevent uneven settlement; each row of S-shaped row of infiltration pipes 1 are arranged in a crossed manner and are arranged at a distance of 5-7 m.
In this embodiment, the two ends of the "S" shaped infiltration discharge pipe 1 are provided with plugging bodies, and the plugging bodies include a first plugging body 9, a non-woven geotextile 10 and a white steel mesh 11.
In this embodiment, the pipe wall of the S-shaped infiltration discharge pipe 1 is provided with a plurality of infiltration holes 6 distributed at equal intervals, and the outer surface of the S-shaped infiltration discharge pipe 1 is sequentially wrapped with a geotechnical mat 7 and geotechnical cloth 8.
In this embodiment, the main drainage pipe 3 is a steel pipe without a water seepage hole and with a diameter of 300-400 mm.
In the embodiment, 2/3 of the seepage holes occupying the perimeter of the S-shaped seepage discharge pipe 1 are adopted, no seepage holes are arranged on a steel pipe with the diameter of 200-300 mm on one side of the downstream of the earth and rock dam body 2, and the arrangement gradient of the S-shaped seepage discharge pipe 1 is the same as that of the upstream of the earth and rock dam body 2.
In specific implementation, the joint of the S-shaped seepage-discharging pipe 1 and the seepage-discharging main pipe 3 is perpendicular to the S-shaped seepage-discharging pipe 1, and the perpendicular part extends into the S-shaped seepage-discharging pipe 1 at a certain angle, and the specific operation is as shown in FIGS. 1 and 4; and finally, the seepage drainage main pipe 3 penetrates through the earth-rock dam body 2 and discharges the collected seepage water into a masonry drainage ditch.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an earth and rockfill dam's novel system that leaks of arranging, it includes earth and rockfill dam body (2), its characterized in that: earth and rockfill dam body (2) inside have a plurality of "S" type row infiltration pipes (1) that are two multirow settings, "S" type row infiltration pipes (1) are provided with a plurality of discharge ports and are linked together with row ' S infiltration person in charge ' S (3) corresponding entrance point, the exit end of row ' S infiltration person in charge (3) is 3 ~ 5 slopes to run through earth and rockfill dam body (2), then leads to being located the infiltration ditch (4) are arranged to the thick liquid stone of earth and rockfill dam body (2) low reaches department, the low reaches dam slope department of earth and rockfill dam body (2) is provided with the four layers and is on a parallel with the low reaches dam slope of earth and rockfill dam body (2) and the inverted filter (5) that the level set up.
2. The novel seepage drainage system of an earth and rockfill dam as claimed in claim 1, wherein: the two ends of the S-shaped drainage and infiltration pipe (1) are provided with plugging bodies, and each plugging body comprises a first plugging body (9), a non-woven geotextile (10) and a white steel mesh (11).
3. The novel seepage drainage system of an earth and rockfill dam as claimed in claim 2, wherein: the pipe wall of the S-shaped drainage and infiltration pipe (1) is provided with a plurality of infiltration holes (6) which are distributed at equal intervals, and the outer surface of the S-shaped drainage and infiltration pipe (1) is sequentially wrapped with a geotechnical mat (7) and geotechnical cloth (8).
4. The novel seepage drainage system of an earth and rockfill dam as claimed in claim 1, wherein: the main drainage and seepage pipe (3) is a steel pipe without seepage holes and with the diameter of 300-400 mm.
5. The novel seepage drainage system of an earth and rockfill dam as claimed in claim 3, wherein: the S-shaped drainage and seepage pipe (1) adopts seepage holes to occupy 2/3 of the perimeter of the S-shaped drainage and seepage pipe, no seepage holes are arranged on a steel pipe with the diameter of 200-300 mm on one side of the downstream of the earth and rock dam body (2), and the arrangement gradient of the S-shaped drainage and seepage pipe (1) is the same as that of the upstream dam slope of the earth and rock dam body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011337667.2A CN112281755A (en) | 2020-11-25 | 2020-11-25 | Novel seepage drainage system of earth and rockfill dam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011337667.2A CN112281755A (en) | 2020-11-25 | 2020-11-25 | Novel seepage drainage system of earth and rockfill dam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112281755A true CN112281755A (en) | 2021-01-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011337667.2A Pending CN112281755A (en) | 2020-11-25 | 2020-11-25 | Novel seepage drainage system of earth and rockfill dam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112281755A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1067465A (en) * | 1992-04-30 | 1992-12-30 | 宁夏回族自治区水利学会 | The distribution method of dam body drainage pipe and pipe |
| ITMI982658A1 (en) * | 1998-12-10 | 2000-06-10 | Sibelon Srl | DAM IN LOOSE MATERIAL AND WATERPROOFING PROCEDURE |
| CN203452048U (en) * | 2013-06-26 | 2014-02-26 | 北京仁创科技集团有限公司 | Riverway water clearing system |
| CN206289596U (en) * | 2016-11-01 | 2017-06-30 | 西京学院 | A kind of tailings dam drainage system |
| CN207392777U (en) * | 2017-10-18 | 2018-05-22 | 中国电建集团中南勘测设计研究院有限公司 | A kind of cooling system of large volume concrete structural |
| CN208075086U (en) * | 2018-03-28 | 2018-11-09 | 武汉理工大学 | A kind of heat accumulation function type electric radiation plate |
| CN208803497U (en) * | 2018-07-18 | 2019-04-30 | 马钢(集团)控股有限公司 | A kind of row's infiltration device reducing saturation line of dam body of tailing reservoir |
| CN213740901U (en) * | 2020-11-25 | 2021-07-20 | 昆明理工大学 | Novel seepage drainage system of earth and rockfill dam |
-
2020
- 2020-11-25 CN CN202011337667.2A patent/CN112281755A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1067465A (en) * | 1992-04-30 | 1992-12-30 | 宁夏回族自治区水利学会 | The distribution method of dam body drainage pipe and pipe |
| ITMI982658A1 (en) * | 1998-12-10 | 2000-06-10 | Sibelon Srl | DAM IN LOOSE MATERIAL AND WATERPROOFING PROCEDURE |
| CN203452048U (en) * | 2013-06-26 | 2014-02-26 | 北京仁创科技集团有限公司 | Riverway water clearing system |
| CN206289596U (en) * | 2016-11-01 | 2017-06-30 | 西京学院 | A kind of tailings dam drainage system |
| CN207392777U (en) * | 2017-10-18 | 2018-05-22 | 中国电建集团中南勘测设计研究院有限公司 | A kind of cooling system of large volume concrete structural |
| CN208075086U (en) * | 2018-03-28 | 2018-11-09 | 武汉理工大学 | A kind of heat accumulation function type electric radiation plate |
| CN208803497U (en) * | 2018-07-18 | 2019-04-30 | 马钢(集团)控股有限公司 | A kind of row's infiltration device reducing saturation line of dam body of tailing reservoir |
| CN213740901U (en) * | 2020-11-25 | 2021-07-20 | 昆明理工大学 | Novel seepage drainage system of earth and rockfill dam |
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