CN110565621A - Be applied to collection drainage blind pipe of slope prevention of seepage - Google Patents
Be applied to collection drainage blind pipe of slope prevention of seepage Download PDFInfo
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- CN110565621A CN110565621A CN201910720693.4A CN201910720693A CN110565621A CN 110565621 A CN110565621 A CN 110565621A CN 201910720693 A CN201910720693 A CN 201910720693A CN 110565621 A CN110565621 A CN 110565621A
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- pipe
- wall
- supporting
- blind pipe
- hollow cylinder
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- 230000002265 prevention Effects 0.000 title claims abstract description 9
- 230000008093 supporting effect Effects 0.000 claims abstract description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 230000006835 compression Effects 0.000 claims abstract description 16
- 238000007906 compression Methods 0.000 claims abstract description 16
- 238000009987 spinning Methods 0.000 claims abstract description 13
- 239000012528 membrane Substances 0.000 claims abstract description 7
- 229920001971 elastomer Polymers 0.000 claims abstract description 5
- 239000005060 rubber Substances 0.000 claims abstract description 5
- 239000004033 plastic Substances 0.000 claims description 14
- 229920003023 plastic Polymers 0.000 claims description 14
- 239000004746 geotextile Substances 0.000 claims description 9
- 239000012209 synthetic fiber Substances 0.000 claims description 6
- 229920002994 synthetic fiber Polymers 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 18
- 239000002689 soil Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 239000002352 surface water Substances 0.000 description 5
- 230000008595 infiltration Effects 0.000 description 4
- 238000001764 infiltration Methods 0.000 description 4
- 241000628997 Flos Species 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 229920001651 Cyanoacrylate Polymers 0.000 description 1
- 206010057175 Mass conditions Diseases 0.000 description 1
- 239000004830 Super Glue Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 208000035475 disorder Diseases 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
A drainage collecting blind pipe applied to slope seepage prevention is provided with a compression-resistant supporting structure, a messy pipe wall, a PVC semi-circular pipe and a spinning geotechnical filter membrane from the center of the blind pipe to the outside in sequence; the compression-resistant supporting structure is an integrated structure consisting of a piston shaft, a rubber piston, a hollow cylinder, supporting inclined plates and arc sheets, wherein the upper part and the bottom of the piston are fixedly connected with the piston shaft and the hollow cylinder respectively, the top part of the piston shaft and the bottom part of the hollow cylinder are connected with two supporting inclined plates respectively, the end head of each supporting inclined plate is fixedly connected with the arc sheet tangent to the inner wall of the wire-tangling type pipe wall, and the arc sheet is provided with water permeable holes; the PVC semicircular pipe is externally attached to the outer wall of the silk-disturbing type pipe wall; the spinning geomembrane is wrapped on the outer surface of the messy yarn type pipe wall. The invention has strong compressive strength, is not easy to deform under the action of external force, particularly under the action of vertical load, thereby improving the drainage effect, and the water collected in the blind pipe cannot continuously seep downwards, thereby achieving good water collection effect.
Description
Technical Field
The invention belongs to the technical field of underground water collection and drainage in landslide control engineering, and particularly relates to a water collection and drainage blind pipe applied to side slope seepage prevention.
Background
China is a country with serious landslide disasters, the landslide disasters directly influence the life and property safety of people, particularly, deep and thick soft soil layers are generally and widely distributed in coastal areas, the soil layers have the characteristics of large pore ratio, high natural water content, low strength, poor shear strength and the like, even if the slope rate of the side slope is relatively slow, the whole instability of a potential sliding surface in the side slope can be generated due to surface water infiltration in the rainfall process, and further serious landslide accidents are caused, so the side slope seepage prevention is particularly important.
At present, the drainage blind pipe for preventing seepage of side slopes is a geotechnical product which is prepared from synthetic fibers, plastics, synthetic rubber and the like serving as raw materials by different process methods. The main structure of the utility model is composed of a floss pipe wall and an outer wrapping finished geotextile, and the main defects are as follows: firstly, the compressive strength is very low, and the water draining effect is reduced due to the fact that the water draining pipe is very easy to deform under the action of external force, particularly under the action of vertical load; secondly, surface water is easy to continue to seep after permeating into the blind pipe, cannot have good water collecting effect, and particularly has poor water collecting and draining effect when rainfall infiltrates. And thirdly, because the traditional outer-wrapped geotextile is not tightly combined with the pipe wall, the pipe wall is easy to sink and influence, and the drainage effect is reduced.
The Chinese patent 'composite water collecting and draining blind pipe' (patent number: ZL200410013820.0) discloses a composite water collecting and draining blind pipe which utilizes the tension of a spring to tightly contact a spring lining with a wire-disorder pipe wall so as to enhance the compressive strength of the blind pipe. But the spring is deformed and can not be recovered under the action of vertical large load, the water collecting and discharging effect is easily influenced, and the collected water in the blind pipe is easily and continuously seeped, so that the good water collecting effect can not be achieved.
disclosure of Invention
The invention aims to provide a water collecting and draining blind pipe applied to slope seepage prevention, which has strong compressive strength and is not easy to deform under the action of external force, particularly under the action of vertical load, so that the draining effect is improved, and water collected in the blind pipe cannot continuously seep downwards, so that a good water collecting effect is achieved.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a be applied to collection drainage blind pipe of slope prevention of seepage which characterized in that: the compression-resistant supporting structure, the messy pipe wall, the PVC semi-circular pipe and the spinning geotechnical filter membrane are arranged from the center of the blind pipe to the outside in sequence; the compression-resistant supporting structure is an integrated structure consisting of a piston shaft, a rubber piston, a hollow cylinder, supporting inclined plates and arc sheets, wherein the upper part and the bottom of the piston are fixedly connected with the piston shaft and the hollow cylinder respectively, the top part of the piston shaft and the bottom part of the hollow cylinder are connected with two supporting inclined plates respectively, the end head of each supporting inclined plate is fixedly connected with the arc sheet tangent to the inner wall of the wire-tangling type pipe wall, and the arc sheet is provided with water permeable holes; the PVC semicircular pipe is externally attached to the outer wall of the silk-disturbing type pipe wall; the spinning geomembrane comprises a geotextile layer and a synthetic fiber layer, wherein the geotextile layer is wrapped on the outer surface of the messy fiber type pipe wall, and the synthetic fiber layer is compounded on the geotextile layer.
The messy pipe wall is made of plastic wires extruded by an extruding machine and is disturbed when the plastic wires are formed, the porosity of the plastic wires is 70-90%, and the diameter of the plastic wires is 1-3 mm.
The supporting sloping plate, the piston shaft, the hollow cylinder and the arc sheet are of an integral structure, and small rectangular sloping sections with the same size as the cross section of the supporting sloping plate are cut on the connecting surfaces of the supporting sloping plate, the piston shaft, the hollow cylinder and the arc sheet.
The supporting inclined plates form an included angle of 45 degrees with the horizontal direction.
The thickness of the arc sheet is 2mm, and a plurality of water permeable holes with the diameter of 3mm are uniformly arranged on the arc sheet.
The contact surface area of each arc thin sheet and the inner wall of the random-filament type pipe is 12cm2。
Compared with the prior art, the invention has the beneficial effects that:
1. The invention greatly improves the compressive strength because of adding the compressive support structure, ensures the drainage space, and greatly improves the drainage effect and reliability.
2. The PVC semi-circular pipe is additionally arranged, so that the condition that surface water cannot be well discharged through the blind pipe due to continuous infiltration after the surface water infiltrates into the blind pipe, particularly rainfall infiltrates into a side slope, the surface water which is infiltrated vertically into the side slope can be effectively collected through the PVC semi-circular pipe and is guided and drained, a good water collecting and draining effect is achieved, and landslide is prevented.
3. The surface spinning geotechnical filter membrane is tightly combined with the messy wire type pipe wall without seams, so that the defect that the water collecting and draining effect is influenced because the traditional outer-coated geotechnical cloth is not tightly combined with the pipe wall and sinks in the pipe wall is overcome, and the adopted short fiber needling geotechnical cloth has the characteristics of ageing resistance, acid and alkali resistance, wear resistance, good toughness and simple and convenient construction, and effectively prolongs the service life of the blind pipe.
drawings
FIG. 1 is a schematic axial cross-section of the present invention;
FIG. 2 is a schematic transverse cross-section of the present invention;
FIG. 3 is a front view of the crush resistant support structure of the present invention;
FIG. 4 is a schematic view of a circular arc shim of the present invention;
FIG. 5 is a top view of the compression resistant support structure of the present invention;
FIG. 6 is a cross-sectional view of a blind arrangement;
fig. 7 is a top view of a blind arrangement.
In the figure: 1 is a compression resistant support structure; 2 is a floss type pipe wall; 3 is PVC semi-circular pipe; 4 is a spinning geomembrane; 5 is a piston shaft; 6, a piston; 7 is a cylinder; 8 is a supporting inclined plate; 9 is a circular arc sheet; 10 is a water permeable hole; 11 is a small rectangular cross-section; 12 is a ramp.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
referring to fig. 1-4, in the embodiment of the invention, a water collecting and draining blind pipe structure applied to slope seepage prevention is provided with a pressure-resistant support structure 1, a floss pipe wall 2, a PVC semi-circular pipe 3 and a spinning geomembrane filter membrane 4 which are arranged from the center of the blind pipe to the outside in sequence.
The messy pipe wall 2 is made of plastic wires extruded by an extruding machine and is disturbed when the plastic wires are formed, the porosity of the plastic wires is 70-90%, and the diameter of the plastic wires is 1mm-3 mm.
And secondly, the compression-resistant supporting structure 1 is a closed injector type integrated structure consisting of a piston shaft 5, a rubber piston 6, a hollow cylinder 7, a supporting inclined plate 8 and an arc sheet 9. Wherein the top of the piston shaft 5 and the bottom of the hollow cylinder 7 are respectively connected with two supporting inclined plates 8, the ends of the supporting inclined plates 8 are fixedly connected with arc sheets 9 which are closely tangent to the inner wall of the messy wire type pipe wall 2, and the arc sheets 9 are uniformly provided with a plurality of water permeable holes 10 with the diameter of 3mm, so that the water seepage effect of the messy wire type pipe wall 2 can be effectively prevented from being influenced by the contact surface. The arc sheet 9 and the inner wall of the tangential messy silk wall 2 are tightly stuck together by strong waterproof glue (KEYDAK glue).
The support swash plate 8 is integrative with piston shaft 5, blank cylinder 7 and circular arc thin slice 9, and all cut on the connection face of three and support swash plate 8 with the little rectangle bias cross-section 11 that supports the equal size in 8 cross-sections of swash plate so that better fixed connection, play better supporting effect, improve the lodging resistance ability of blind pipe. And the inclined supporting plates 8 form an included angle of 45 degrees with the horizontal direction, so that the space in the supporting pipe is as large as possible, and a better water collecting and draining effect is achieved.
The thickness of the arc sheet 9 is about 2mm, and the area of the contact surface of the arc sheet and the messy wire type pipe wall 2 is 12cm2。
All components of the pressure-resistant support structure 1, except for the rubber piston 6, are made of high-strength, tough, corrosion-resistant PC plastic.
And thirdly, the PVC semi-circular pipe 3 is tightly attached to the outer wall of the random wire type pipe wall 2, and the PVC semi-circular pipe and the random wire type pipe wall are tightly adhered together by waterproof super glue (KEYDAK glue).
And fourthly, the spinning geomembrane 4 is prepared by tightly wrapping a geotextile layer on the outer surface of the random fiber type pipe wall 2 and then spraying a synthetic fiber layer.
The working principle of the invention is as follows: the water in the soil around the blind pipe arranged on the side slope shallow soil layer is quickly collected by the blind pipe through the capillary action, the gravity action and the seepage action and is guided out of the slope through the blind pipe middle channel, particularly, the water infiltrated into the earth surface of the side slope can be quickly collected by the blind pipe and is discharged out of the slope during rainfall, and the water collecting and discharging process is completed.
The compression-resistant supporting structure 1 mainly plays a role in supporting the floss-mixing type pipe wall 2, the PVC semi-circular pipe 3 and the spinning geotechnical filter membrane 4, the piston 6 in the compression-resistant supporting structure 1 can move along with the movement of the piston shaft 5 under the action of pressure, and because the air in the hollow cylinder 7 at the lower part of the piston 6 is closed, the elastic supporting effect of the compression-resistant supporting structure can be realized by utilizing the compressibility of gas, and the compression strength of the blind pipe is effectively improved. The supporting inclined plate 8, the piston shaft 5, the hollow cylinder 7 and the arc sheet 9 are integrated, and small rectangular inclined sections 11 with the same size as the cross section of the supporting inclined plate 8 are cut on the connection surfaces of the three and the supporting inclined plate 8 so as to be fixedly connected better, so that a better supporting effect is achieved, and the anti-lodging capability of the blind pipe is improved. The inclined supporting plates 8 form an included angle of 45 degrees with the horizontal direction, so that the space in the supporting pipe is as large as possible, and a better water collecting and draining effect is achieved. The circular arc sheet 9 is provided with water permeable holes 10 for effectively preventing the water seepage effect of the wire-disordering type pipe wall 2 from being influenced because the contact surface is impermeable.
The messy pipe wall 2 mainly plays a role of supporting the spinning geotechnical filter membrane 4, and meanwhile, the messy pipe wall 2 has larger gaps for allowing surface infiltration water and underground water to freely enter.
PVC semicircle pipe 3 mainly plays the moisture effect in collecting earth's surface infiltration and soil around the blind pipe to prevent to collect intraductal moisture and ooze once more, and then make the water of collecting lead out the slope along with the PVC semicircle pipe.
The spinning geomembrane 4 mainly plays a role in filtering water and prevents soil particles and other impurities from entering the blind pipe.
the construction process of the invention is as follows: the compression-resistant support structures 1 are arranged in the blind pipes at intervals of 30-45cm, the spacing is selected according to the actual soil mass condition, if the self weight of the soil mass above the blind pipes 11 is large or the load of the upper structure of the side slope 12 is large, the compression-resistant support structures 1 are arranged in the blind pipes at intervals of about 30cm, and otherwise, the compression-resistant support structures are arranged at intervals of about 45 cm. The blind pipes 11 are arranged along the slope 12 in a through manner, the distance between the blind pipes 11 and the slope 12 is 30-50cm, and if construction needs, the slope 12 can be cut and processed properly in advance. The distance between the blind pipes 11 and the blind pipes 11 is about 60cm, and the blind pipes can be properly adjusted according to the actual environment. In addition, the blind pipe is convenient to construct, the quality of the blind pipe can be periodically detected, and the blind pipe can be replaced when necessary.
While the preferred embodiments of this patent have been described in detail, the invention is not limited to the embodiments, and various changes can be made without departing from the spirit of the invention within the knowledge of those skilled in the art.
Claims (6)
1. The utility model provides a be applied to collection drainage blind pipe of slope prevention of seepage which characterized in that: the compression-resistant supporting structure, the messy pipe wall, the PVC semi-circular pipe and the spinning geotechnical filter membrane are arranged from the center of the blind pipe to the outside in sequence; the compression-resistant supporting structure is an integrated structure consisting of a piston shaft, a rubber piston, a hollow cylinder, supporting inclined plates and arc sheets, wherein the upper part and the bottom of the piston are fixedly connected with the piston shaft and the hollow cylinder respectively, the top part of the piston shaft and the bottom part of the hollow cylinder are connected with two supporting inclined plates respectively, the end head of each supporting inclined plate is fixedly connected with the arc sheet tangent to the inner wall of the wire-tangling type pipe wall, and the arc sheet is provided with water permeable holes; the PVC semicircular pipe is externally attached to the outer wall of the silk-disturbing type pipe wall; the spinning geomembrane comprises a geotextile layer and a synthetic fiber layer, wherein the geotextile layer is wrapped on the outer surface of the messy fiber type pipe wall, and the synthetic fiber layer is compounded on the geotextile layer.
2. The water collecting and draining blind pipe applied to slope seepage control according to claim 1, is characterized in that: the messy pipe wall is made of plastic wires extruded by an extruding machine and is disturbed when the plastic wires are formed, the porosity of the plastic wires is 70-90%, and the diameter of the plastic wires is 1-3 mm.
3. The water collecting and draining blind pipe applied to slope seepage control according to claim 1, is characterized in that: the supporting sloping plate, the piston shaft, the hollow cylinder and the arc sheet are of an integral structure, and small rectangular sloping sections with the same size as the cross section of the supporting sloping plate are cut on the connecting surfaces of the supporting sloping plate, the piston shaft, the hollow cylinder and the arc sheet.
4. The water collecting and draining blind pipe applied to slope seepage control according to claim 1, is characterized in that: the supporting inclined plates form an included angle of 45 degrees with the horizontal direction.
5. The water collecting and draining blind pipe applied to slope seepage control according to claim 1, is characterized in that: the thickness of the arc sheet is 2mm, and a plurality of water permeable holes with the diameter of 3mm are uniformly arranged on the arc sheet.
6. The water collecting and draining blind pipe applied to slope seepage control according to claim 1, is characterized in that: the contact surface area of each arc thin sheet and the inner wall of the random-filament type pipe is 12cm2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910720693.4A CN110565621A (en) | 2019-08-06 | 2019-08-06 | Be applied to collection drainage blind pipe of slope prevention of seepage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910720693.4A CN110565621A (en) | 2019-08-06 | 2019-08-06 | Be applied to collection drainage blind pipe of slope prevention of seepage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110565621A true CN110565621A (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910720693.4A Pending CN110565621A (en) | 2019-08-06 | 2019-08-06 | Be applied to collection drainage blind pipe of slope prevention of seepage |
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| CN (1) | CN110565621A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114351742A (en) * | 2021-12-02 | 2022-04-15 | 内蒙古平庄煤业(集团)有限责任公司 | Film pressing device for vertically lapping and laying impermeable film |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1556289A (en) * | 2004-01-06 | 2004-12-22 | 河海大学 | Composite water collecting draining blind pipe |
| CN2668726Y (en) * | 2004-01-06 | 2005-01-05 | 河海大学 | Loading-resistant flexible previous dead pipe |
| CN201209604Y (en) * | 2008-05-16 | 2009-03-18 | 北京吉信气弹簧制品有限公司 | Support bar air spring with adjustable volume structure and force value compensation |
| CN101851924A (en) * | 2010-04-09 | 2010-10-06 | 顾宝洪 | Convenient rapid supporting loading and unloading mechanism and supporting loading and unloading method |
| CN202031103U (en) * | 2011-04-21 | 2011-11-09 | 长沙理工大学 | Efficient non-pressure artesian water drainage pipe for side slopes |
| CN108086446A (en) * | 2018-02-26 | 2018-05-29 | 刘晓飞 | A kind of monitoring system of intelligence draining blind pipe and its draining blind pipe |
| CN207889085U (en) * | 2018-01-23 | 2018-09-21 | 广西鸿塑科技有限公司 | A kind of plastic tube extrusion processing support device |
| CN109629584A (en) * | 2019-01-25 | 2019-04-16 | 天津城建大学 | A kind of electrode stake and its application method for side slope protection function |
| CN109750656A (en) * | 2018-12-19 | 2019-05-14 | 中国水利水电第五工程局有限公司 | A kind of homogeneous earth dam downstream overlapping draining blind pipe and construction method |
| US20190153698A1 (en) * | 2017-06-30 | 2019-05-23 | Zhejiang University | Self-starting negative pressure drainage system for draining groundwater in slope and construction method thereof |
| CN211113593U (en) * | 2019-08-06 | 2020-07-28 | 天津城建大学 | Be applied to collection drainage blind pipe of slope prevention of seepage |
-
2019
- 2019-08-06 CN CN201910720693.4A patent/CN110565621A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1556289A (en) * | 2004-01-06 | 2004-12-22 | 河海大学 | Composite water collecting draining blind pipe |
| CN2668726Y (en) * | 2004-01-06 | 2005-01-05 | 河海大学 | Loading-resistant flexible previous dead pipe |
| CN201209604Y (en) * | 2008-05-16 | 2009-03-18 | 北京吉信气弹簧制品有限公司 | Support bar air spring with adjustable volume structure and force value compensation |
| CN101851924A (en) * | 2010-04-09 | 2010-10-06 | 顾宝洪 | Convenient rapid supporting loading and unloading mechanism and supporting loading and unloading method |
| CN202031103U (en) * | 2011-04-21 | 2011-11-09 | 长沙理工大学 | Efficient non-pressure artesian water drainage pipe for side slopes |
| US20190153698A1 (en) * | 2017-06-30 | 2019-05-23 | Zhejiang University | Self-starting negative pressure drainage system for draining groundwater in slope and construction method thereof |
| CN207889085U (en) * | 2018-01-23 | 2018-09-21 | 广西鸿塑科技有限公司 | A kind of plastic tube extrusion processing support device |
| CN108086446A (en) * | 2018-02-26 | 2018-05-29 | 刘晓飞 | A kind of monitoring system of intelligence draining blind pipe and its draining blind pipe |
| CN109750656A (en) * | 2018-12-19 | 2019-05-14 | 中国水利水电第五工程局有限公司 | A kind of homogeneous earth dam downstream overlapping draining blind pipe and construction method |
| CN109629584A (en) * | 2019-01-25 | 2019-04-16 | 天津城建大学 | A kind of electrode stake and its application method for side slope protection function |
| CN211113593U (en) * | 2019-08-06 | 2020-07-28 | 天津城建大学 | Be applied to collection drainage blind pipe of slope prevention of seepage |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114351742A (en) * | 2021-12-02 | 2022-04-15 | 内蒙古平庄煤业(集团)有限责任公司 | Film pressing device for vertically lapping and laying impermeable film |
| CN114351742B (en) * | 2021-12-02 | 2023-12-08 | 内蒙古平庄煤业(集团)有限责任公司 | Be used for perpendicular overlap joint of prevention of seepage membrane to lay film pressing ware |
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