CN108797611B - A prevent blockking up drain pipe for dregs side slope - Google Patents
A prevent blockking up drain pipe for dregs side slope Download PDFInfo
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- CN108797611B CN108797611B CN201810575742.5A CN201810575742A CN108797611B CN 108797611 B CN108797611 B CN 108797611B CN 201810575742 A CN201810575742 A CN 201810575742A CN 108797611 B CN108797611 B CN 108797611B
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- drain pipe
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- filter tank
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- 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
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Paleontology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Retaining Walls (AREA)
Abstract
The invention relates to the technical field of muck slope drainage systems, in particular to an anti-blocking drain pipe for a muck slope, which comprises a drain pipe body, wherein the drain pipe body is obliquely arranged and is formed by connecting a plurality of sections of drain pipes end to end; the end part of the drain pipe body is provided with a coarse pore diameter filter tank, the drain pipe body is provided with a fine pore diameter filter tank, the fine pore diameter filter tank is connected with the drain pipe body through a connecting thread, the fine pore diameter filter tank and the coarse pore diameter filter tank are arranged at intervals, a hollow part is formed between the fine pore diameter filter tank and the coarse pore diameter filter tank, the top of the inner wall of the drain pipe body is provided with a water inlet pipe, and the water inlet pipe is fixed along the top of the inner wall of the drain pipe body; the invention has simple structure and convenient installation, can meet the drainage requirement under the condition of larger or smaller drainage quantity, can effectively prevent the drainage pipe from being blocked, can clean the drainage pipe under the condition of blocking and ensures the drainage efficiency.
Description
Technical Field
The invention relates to the technical field of a muck side slope drainage system, in particular to an anti-blocking drainage pipe for a muck side slope.
Background
Along with the continuous development of urban construction in China, the problem of stacking residual soil and muck of buildings is increasingly outstanding, muck side slopes are located in the surrounding areas of the city, and once an accident occurs due to instability, serious personnel and economic losses and wide social influence are caused, so that the anti-collapse technology of the muck side slopes becomes more and more important, and the side slope drainage technology is directly related to the stability of the muck side slopes.
① the geotechnical cloth is damaged due to the action of surrounding soil bodies, the geotechnical cloth is damaged, a large amount of muck at the top end of the drain pipe flows into the water drain pipe, and the muck is deposited into the pipe bottom or attached to two sides of the pipe wall of the drain pipe due to the fact that the drain pipe is driven into the side slope body to cause blockage, ② the drain pipe is deformed under the action of self-gravity stress, a small amount of silt in the drain pipe cannot be discharged when the water discharge amount is small, the silt is accumulated for a long time and deposited at the pipe bottom or attached to two sides of the pipe wall of the drain pipe to cause the blockage of the drain pipe, and meanwhile, the muck has certain corrosivity and can cause damage to the pipe wall under the long-term action.
Therefore, based on the reason of the blockage of the drain pipe, the drain pipe is divided into a larger condition and a smaller condition according to the different drainage conditions in the drain pipe, the drain pipe capable of draining water smoothly under the two conditions is invented, and the drain pipe can be desilted under the blockage condition and can be cleaned regularly, so that the drainage efficiency is ensured.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the anti-blocking drain pipe for the muck side slope, which can meet the drainage requirement under the condition of large or small drainage quantity, can effectively prevent the drain pipe from being blocked, can clean the drain pipe under the condition of blocking and ensures the drainage efficiency.
In order to achieve the purpose, the invention provides the following technical scheme: the anti-blocking drain pipe for the muck side slope comprises a drain pipe body, wherein the drain pipe body is obliquely arranged and is formed by connecting a plurality of sections of drain pipes end to end; the end part of the drain pipe body is provided with a coarse aperture filter tank, the coarse aperture filter tank comprises an upper half part, a lower half part and an arc part arranged between the upper half part and the lower half part, the upper half part, the arc part and the lower half part are sequentially connected, the arc part is inserted into a drilled hole of a muck slope, and the upper half part and the lower half part are connected with the drain pipe body through connecting threads;
the drainage pipe body is provided with a fine-aperture filter cell, the fine-aperture filter cell is connected with the drainage pipe body through a connecting thread, the fine-aperture filter cell and the coarse-aperture filter cell are arranged at intervals, and a hollow part is formed between the fine-aperture filter cell and the coarse-aperture filter cell;
the pore diameter filter tank comprises an upper layer and a lower layer, a valve capable of being opened and closed is arranged on the lower layer, the valve is semicircular, a rotating shaft is vertically arranged in the middle of the valve, the top end of the rotating shaft is sleeved in the cover plate, the hollow part of the bottom end of the rotating shaft is sleeved on a fixed shaft connected with the pipe wall of the drain pipe body, the left end and the right end of the valve are connected to a steel wire rope fixed shaft on the outer wall of the drain pipe body through a steel wire rope, and the steel wire rope fixed shaft is away from the pipe orifice of the drain pipe; the valve can rotate around the rotating shaft by pulling the steel wire rope;
the top of the inner wall of the drain pipe body is provided with a water inlet pipe, the water inlet pipe is fixed along the top of the inner wall of the drain pipe body, and the water inlet pipe extends to a hollow part between the fine-aperture filter cell and the coarse-aperture filter cell; the pipe orifice part of the drain pipe body is fixed through the pipe orifice support, and the pipe orifice is fixed through the pipe orifice support.
Further, drain pipe body and inlet tube all adopt the PVC pipe, the diameter of inlet tube is less than the diameter of drain pipe body, just the inlet tube passes through the mount and fixes with the inner wall of drain pipe body, the upper end of mount links to each other with the pipe wall of drain pipe body, the lower extreme of mount cup joints with the inlet tube through the lantern ring.
Further, the upper half part and the circular arc part of the coarse-aperture filter tank comprise an inner layer and an outer layer, coarse filter materials are filled between the inner layer and the outer layer, and the coarse filter materials are coarse gravels or broken stones with the diameter of 10-20 mm; the lower half part of the coarse-aperture filter cell is a solid tube wall, so that the entered moisture can be prevented from flowing downwards.
Furthermore, the upper layer of the fine-pore-diameter filter tank is filled with fine filter materials, and the fine filter materials are gravels or stone chips with the diameter of 3-5 mm.
Furthermore, the valve of the lower layer of the fine-pore-diameter filter tank is a fine-pore-diameter filter screen cloth, the fine-pore-diameter filter screen cloth is fixed along the wall of the fine-pore-diameter filter tank, and the pore diameter of the fine-pore-diameter filter screen cloth is very small, so that fine-particle soil can be filtered.
Furthermore, the left end and the right end of the fine-pore diameter filter screen cloth are respectively provided with a fixing buckle, one end of the steel wire rope is connected with the inner fixing buckle, and the other end of the steel wire rope is connected with the outer steel wire rope fixing shaft.
Furthermore, the two ends of the cover plate are fixed with the fine-pore diameter filter tank through screws, and the middle of the cover plate is arc-shaped.
Furthermore, the both sides of pore footpath filter screen cloth are equipped with first baffle and second baffle respectively along the pipe wall of drain pipe body, first baffle is hugged closely the setting with pore footpath filter screen cloth, the second baffle sets up with pore footpath filter screen cloth interval, through the opening and shutting of first baffle and second baffle coaction control valve.
Compared with the prior art, the invention has the beneficial effects that: the invention relates to an anti-blocking drain pipe for a muck side slope, which comprises a drain pipe body, wherein the drain pipe body is obliquely arranged and is formed by connecting a plurality of sections of drain pipes end to end; the water draining pipe comprises a water draining pipe body and is characterized in that a coarse pore diameter filter tank is arranged at the end part of the water draining pipe body, a fine pore diameter filter tank is arranged on the water draining pipe body, the fine pore diameter filter tank is connected with the water draining pipe body through a connecting thread, the fine pore diameter filter tank and the coarse pore diameter filter tank are arranged at intervals, a hollow part is formed between the fine pore diameter filter tank and the coarse pore diameter filter tank, a water inlet pipe is arranged at the top of the inner wall of the water draining pipe body, the water inlet pipe is fixed along the top of the inner wall of the water draining pipe body, and the water inlet pipe extends to the hollow; the invention has simple structure and convenient installation, can meet the drainage requirement under the condition of larger or smaller drainage quantity, can effectively prevent the drainage pipe from being blocked, can clean the drainage pipe under the condition of blocking and ensures the drainage efficiency.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of a fine pore size filter of the present invention;
FIG. 3 is a schematic view showing the structure of the lower layer of the fine pore size filter of the present invention.
In the figure: 1 a drain pipe body, 2 a coarse aperture filter tank, 2-1 an upper half, 2-2 a lower half, 2-3 a circular arc part, 2-4 an inner layer, 2-5 an outer layer, 2-6 a coarse filter material, 3 a connecting thread, 4 a fine aperture filter tank, 4-1 an upper layer, 4-11 a fine filter material, 4-2 a lower layer, 4-21 a rotating shaft, 4-22 a cover plate, 4-23 a fixed shaft, 4-24 a steel wire rope, 4-25 a steel wire rope fixed shaft, 4-26 a fine aperture filter screen cloth, 4-27 a fixed buckle, 4-28 a first baffle, 4-29 a second baffle, 5 a hollow part, 6 a water inlet pipe, 7 a pipe orifice bracket and 8 a fixed mount.
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.
Referring to fig. 1-3, the present invention provides a technical solution: an anti-blocking drain pipe for a muck side slope comprises a drain pipe body 1, wherein the drain pipe body 1 is obliquely arranged, in the embodiment, the inclined included angle between the drain pipe body 1 and the horizontal plane is 5 degrees, and the drain pipe body 1 is formed by connecting a plurality of sections of drain pipes end to end; the end part of the drain pipe body 1 is provided with a coarse aperture filter tank 2, the coarse aperture filter tank 2 comprises an upper half part 2-1, a lower half part 2-2 and an arc part 2-3 arranged between the upper half part 2-1 and the lower half part 2-2, the upper half part 2-1, the arc part 2-3 and the lower half part 2-2 are sequentially connected, the arc part 2-3 is inserted into a drill hole of a muck slope, and the upper half part 2-1 and the lower half part 2-2 are connected with the drain pipe body 1 through connecting threads 3;
the drainage pipe body 1 is provided with a fine-aperture filter tank 4, the fine-aperture filter tank 4 is connected with the drainage pipe body 1 through a connecting thread 3, the fine-aperture filter tank 4 and the coarse-aperture filter tank 2 are arranged at intervals, and a hollow part 5 is formed between the fine-aperture filter tank 4 and the coarse-aperture filter tank 2;
the fine-aperture filter tank 4 comprises an upper layer 4-1 and a lower layer 4-2, a valve capable of being opened and closed is arranged on the lower layer 4-2, the valve is semicircular, a rotating shaft 4-21 is vertically arranged in the middle of the valve, the top end of the rotating shaft 4-21 is sleeved in a cover plate 4-22, the hollow part of the bottom end of the rotating shaft 4-21 is sleeved on a fixing shaft 4-23 connected with the pipe wall of the drain pipe body 1, and the left end and the right end of the valve are connected to a steel wire rope fixing shaft 4-25 on the outer wall of the drain pipe body 1 through a steel wire rope 4-24; the steel wire rope fixing shaft 4-25 is at a certain distance from the pipe orifice of the drain pipe body 1; the valve can be rotated about the rotation axis 4-21 by pulling the wire rope 4-24.
The top of the inner wall of the drain pipe body 1 is provided with a water inlet pipe 6, and the water inlet pipe 6 extends to a hollow part 5 between the fine-aperture filter tank 4 and the coarse-aperture filter tank 2; the pipe orifice part of the drain pipe body 1 is fixed through the pipe orifice bracket 7, and the pipe orifice is fixed through the pipe orifice bracket.
Specifically, drain pipe body 1 and inlet tube 6 all adopt the PVC pipe, the diameter of inlet tube 6 is less than the diameter of drain pipe body 1, just inlet tube 6 is fixed through the inner wall of mount 8 with drain pipe body 1, the upper end of mount 8 links to each other with the pipe wall of drain pipe body 1, the lower extreme of mount 8 cup joints with inlet tube 6 through the lantern ring.
Specifically, the upper half part 2-1 and the circular arc part 2-3 of the coarse-aperture filter tank 2 respectively comprise an inner layer 2-4 and an outer layer 2-5, coarse filter materials 2-6 are filled between the inner layer 2-4 and the outer layer 2-5, and the coarse filter materials 2-6 are coarse gravels or gravels with the diameter of 10-20 mm; the lower half part 2-2 of the large-aperture filter cell 2 is a solid tube wall, so that the entered moisture can be prevented from flowing downwards.
Specifically, the upper layer 4-1 of the fine-pore-diameter filter tank 4 is filled with a fine filter material 4-11, and the fine filter material 4-11 is gravel or stone chips with the diameter of 3-5mm, and is more preferably gravel or stone chips with the diameter of about 4 mm.
Specifically, the valve of the lower layer 4-2 of the fine-aperture filter tank 4 is a fine-aperture filter screen cloth 4-26, the fine-aperture filter screen cloth 4-26 is fixed along the wall of the fine-aperture filter tank 4, and the fine-aperture filter screen cloth 4-26 has small aperture and can filter fine-grained soil.
Specifically, the left end and the right end of the fine-pore-diameter filter screen cloth 4-26 are respectively provided with a fixing buckle 4-27, one end of the steel wire rope 4-24 is connected with the fixing buckle 4-27 inside, and the other end of the steel wire rope 4-24 is connected with an external steel wire rope fixing shaft 4-25.
Specifically, two ends of the cover plate 4-22 are fixed with the fine-pore-diameter filter tank 4 through screws, and the middle of the cover plate 4-22 is arc-shaped.
Specifically, the two sides of the fine-pore-diameter filter screen cloth 4-26 are respectively provided with a first baffle 4-28 and a second baffle 4-29 along the pipe wall of the drain pipe body 1, the first baffle 4-28 is closely attached to the fine-pore-diameter filter screen cloth 4-26, the second baffle 4-29 is arranged at an interval with the fine-pore-diameter filter screen cloth 4-26, and the opening and closing of the valve are controlled through the combined action of the first baffle 4-28 and the second baffle 4-29.
In this example, two cases of drainage embodiments are considered:
the first method comprises the following steps: when the water discharge is large and the water discharge in the water discharge pipe body 1 is large, rainwater firstly enters the pipe through the large-aperture filter unit 2, the lower half part of the large-aperture filter unit 2 is compact, water flowing into the water discharge pipe body 1 flows from the direction of the pipe opening, when the rainwater reaches the small-aperture filter unit 4, the rainwater is firstly filtered at the lower half part, and soil with fine particles is blocked, because the drainage quantity is relatively large, when the lower half part can not drain water in time, the rainwater can be filtered out from the upper half part of the fine-aperture filter tank 4, if the drainage pipe body 1 is blocked due to the fact that the drainage quantity is maintained for a long time in rainy season, the valve can be opened manually at the moment, the left steel wire rope 4-24 is unfastened from the steel wire rope fixing shaft 4-25, the left side of the valve is in a tension-free state, the valve is opened by pulling the right wire rope 4-24, at this time, the sludge deposited in the pipe is discharged out of the pipe along with the rainwater deep into the pipe. Because the displacement is great, rainwater and fine soil granule in the infiltration pipe all can in time be got rid of the outside of the pipe, and soil granule can not pile up in 1 inner wall of drain pipe body, so can consider to open the valve in advance when the rainy season comes, wait that the intraductal drainage of rainy season is less after and close it again.
And the second method comprises the following steps: the drainage quantity is small, when the drainage quantity in the drainage pipe body 1 is small, the rainwater infiltration quantity is small, fine-particle soil still enters the drainage pipe body 1 along with the rainwater after passing through the large-aperture filter tank 2, under the condition of small drainage quantity, soil particles can not be completely discharged out of a slope along with the rainwater, most of the soil particles are deposited at the bottom of the pipe or attached to two sides of the drainage pipe body 1 and can cause blockage after long-time accumulation, meanwhile, because the muck has certain corrosivity and can not be cleaned for a long time, the wall of the pipe can be damaged, therefore, in dry seasons, the drainage pipe body 1 needs to be cleaned regularly, the valve needs to be kept closed before the drainage pipe body 1 is cleaned, when the rainwater passes through the drainage pipe body 1, the soil particles are all blocked in the hollow part between the two filter tanks, the purpose of the uniform treatment is to prevent the soil particles from spreading the whole drainage pipe body 1, causing damage to the drain pipe body 1. The drain pipe body 1 is required to be cleaned regularly, during cleaning, the valve is opened, water is filled from the water inlet pipe 6 at the pipe opening, so that the two filter tanks, the pipe wall of the drain pipe body 1 and the fine-pore diameter filter screen cloth 4-26 can be cleaned, all sludge blocked in the pipe is flushed out, and the valve is closed after the sludge is cleaned, so that the cleaning of the drain pipe body 1 is completed.
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 (8)
1. The utility model provides a prevent blockking up drain pipe for dregs side slope, includes drain pipe body (1), its characterized in that: the drain pipe body (1) is obliquely arranged, and the drain pipe body (1) is formed by connecting a plurality of sections of drain pipes end to end; the end part of the drain pipe body (1) is provided with a coarse aperture filter tank (2), the coarse aperture filter tank (2) comprises an upper half part (2-1), a lower half part (2-2) and an arc part (2-3) arranged between the upper half part (2-1) and the lower half part (2-2), the upper half part (2-1), the arc part (2-3) and the lower half part (2-2) are sequentially connected, the arc part (2-3) is inserted into a drill hole of a muck slope, and the upper half part (2-1) and the lower half part (2-2) are connected with the drain pipe body (1) through connecting threads (3);
a fine pore diameter filter tank (4) is arranged on the drain pipe body (1), the fine pore diameter filter tank (4) is connected with the drain pipe body (1) through a connecting thread (3), the fine pore diameter filter tank (4) and the coarse pore diameter filter tank (2) are arranged at intervals, and a hollow part (5) is formed between the fine pore diameter filter tank (4) and the coarse pore diameter filter tank (2);
the fine-aperture filter tank (4) comprises an upper layer (4-1) and a lower layer (4-2), a valve capable of being opened and closed is arranged on the lower layer (4-2), the valve is semicircular, a rotating shaft (4-21) is vertically arranged in the middle of the valve, the top end of the rotating shaft (4-21) is sleeved in a cover plate (4-22), the hollow part of the bottom end of the rotating shaft (4-21) is sleeved on a fixed shaft (4-23) connected with the pipe wall of the drainage pipe body (1), and the left end and the right end of the valve are connected to a steel wire rope fixed shaft (4-25) of the outer wall of the drainage pipe body (1) through steel wire ropes (4-24);
a water inlet pipe (6) is arranged at the top of the inner wall of the drain pipe body (1), and the water inlet pipe (6) extends to a hollow part (5) between the fine-aperture filter tank (4) and the coarse-aperture filter tank (2); the pipe orifice part of the drain pipe body (1) is fixed through a pipe orifice bracket (7).
2. The anti-clogging drain pipe for the muck slope as claimed in claim 1, wherein: the utility model discloses a drainage pipe, including drain pipe body (1), inlet tube (6) and fixing frame (8), the drain pipe body (1) all adopts the PVC pipe with inlet tube (6), the diameter of inlet tube (6) is less than the diameter of drain pipe body (1), just inlet tube (6) are fixed through the inner wall of mount (8) with drain pipe body (1), the upper end of mount (8) links to each other with the pipe wall of drain pipe body (1), the lower extreme of mount (8) cup joints with inlet tube (6) through the lantern ring.
3. The anti-clogging drain pipe for the muck slope as claimed in claim 1, wherein: the upper half part (2-1) and the circular arc part (2-3) of the coarse-aperture filter tank (2) comprise an inner layer (2-4) and an outer layer (2-5), coarse filter materials (2-6) are filled between the inner layer (2-4) and the outer layer (2-5), and the coarse filter materials (2-6) are coarse gravels or gravels with the diameter of 10-20 mm; the lower half part (2-2) of the coarse-aperture filter cell (2) is a solid tube wall.
4. The anti-clogging drain pipe for the muck slope as claimed in claim 1, wherein: the upper layer (4-1) of the fine-pore filter tank (4) is filled with fine filter materials (4-11), and the fine filter materials (4-11) are gravels or stone chips with the diameter of 3-5 mm.
5. The anti-clogging drain pipe for the muck slope as claimed in claim 1, wherein: the valve of the lower layer (4-2) of the fine-aperture filter tank (4) is a fine-aperture filter screen cloth (4-26), and the fine-aperture filter screen cloth (4-26) is fixed along the wall of the fine-aperture filter tank (4).
6. The anti-clogging drain pipe for muck slopes as claimed in claim 5, wherein: the left end and the right end of the fine-aperture filter screen cloth (4-26) are respectively provided with a fixing buckle (4-27), one end of the steel wire rope (4-24) is connected with the fixing buckle (4-27) inside, and the other end of the steel wire rope (4-24) is connected with the steel wire rope fixing shaft (4-25) outside.
7. The anti-clogging drain pipe for the muck slope as claimed in claim 1, wherein: two ends of the cover plate (4-22) are fixed with the fine-pore-diameter filter tank (4) through screws, and the middle part of the cover plate (4-22) is arc-shaped.
8. The anti-clogging drain pipe for muck slopes as claimed in claim 5, wherein: the two sides of the fine-pore-diameter filter screen cloth (4-26) are respectively provided with a first baffle (4-28) and a second baffle (4-29) along the pipe wall of the drain pipe body (1), the first baffle (4-28) and the fine-pore-diameter filter screen cloth (4-26) are arranged in a clinging manner, and the second baffle (4-29) and the fine-pore-diameter filter screen cloth (4-26) are arranged at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810575742.5A CN108797611B (en) | 2018-06-06 | 2018-06-06 | A prevent blockking up drain pipe for dregs side slope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810575742.5A CN108797611B (en) | 2018-06-06 | 2018-06-06 | A prevent blockking up drain pipe for dregs side slope |
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| Publication Number | Publication Date |
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| CN108797611A CN108797611A (en) | 2018-11-13 |
| CN108797611B true CN108797611B (en) | 2020-04-24 |
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| CN201810575742.5A Active CN108797611B (en) | 2018-06-06 | 2018-06-06 | A prevent blockking up drain pipe for dregs side slope |
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| CN113529690A (en) * | 2021-08-20 | 2021-10-22 | 国网福建省电力有限公司电力科学研究院 | Structure of retaining wall anti-blocking drainage facility |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007217931A (en) * | 2006-02-15 | 2007-08-30 | Okabe Co Ltd | Drainage structure in slope stabilizing construction |
| CN205501985U (en) * | 2016-04-11 | 2016-08-24 | 汤晓辉 | Prevent blockking up side slope groundwater and draw row device |
| CN206859201U (en) * | 2017-05-22 | 2018-01-09 | 四川志德岩土工程有限责任公司 | Swelled ground foundation ditch simply sluices, pressure relief |
| CN206829181U (en) * | 2017-06-08 | 2018-01-02 | 中冶集团武汉勘察研究院有限公司 | The retaining wall sluicing pore structure of replaceable cartridge |
| CN108060681B (en) * | 2017-12-15 | 2023-09-01 | 中国建筑第八工程局有限公司 | Retaining wall drainage device |
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