CN104047266A - Seepage-proofing and leaking-stoppage method of leakage passage - Google Patents
Seepage-proofing and leaking-stoppage method of leakage passage Download PDFInfo
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- CN104047266A CN104047266A CN201410292961.4A CN201410292961A CN104047266A CN 104047266 A CN104047266 A CN 104047266A CN 201410292961 A CN201410292961 A CN 201410292961A CN 104047266 A CN104047266 A CN 104047266A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The invention discloses a seepage-proofing and leaking-stoppage method of a leakage passage. The seepage-proofing and leaking-stoppage method of the leakage passage can effectively achieve seepage prevention and leakage stoppage of the leakage passage which is deeply buried, is short in seepage path and is provided with confined water. According to the technical scheme, the seepage-proofing and leaking-stoppage method of the leakage passage comprises the following steps that (1) first leaking-stoppage slurry is prepared and pumped into the leakage passage; (2) the first leaking-stoppage slurry stops being pumped until the water amount at a water outlet trends to decrease obviously; (3) second leaking-stoppage slurry is prepared and pumped into the leakage passage; (4) the second leaking-stoppage slurry stops being pumped until the water amount at the water outlet vanishes; (5) cement water glass mortar is pumped into the leakage passage; (6) after the cement water glass mortar is condensed for 24 hours, drill-hole cleaning is carried out on a base plate of the passage, and cement slurry is poured for reinforcement until the common slurry pouring finishing standard is met. The seepage-proofing and leaking-stoppage method of the leakage passage achieves leakage stoppage of the leakage passage which is deeply buried, is short in seepage path and is provided with the confined water, and is easy and convenient to operate, convenient to master, economical, environmentally friendly and creative.
Description
Technical field
The invention belongs to seepage control project construction field, especially bury dark, seepage paths is short, a kind of leakage passage impervious leakage-stopping method of constructing during the impervious leakage-stopping of the leakage passage that has artesian water.
Background technology
Building a dam and build storehouse in karst area, often can run into the problems such as reservoir leakage, leakage of dam foundation, and main seepage mode has dam body seepage, dam body dam foundation contact surface seepage, leakage of dam foundation and around dam seepage, the geological condition of karst area is complicated, and the stifled technical difficulty of oozing is larger.At present, in karst area antiseepage, process in construction, conventional underflow or admixture clay, sand perfusion, also can be in slurries admixture accelerating admixture, in hole, throw gravel or asphalt reperfusion slurries or plain concrete, and the method such as chemical grouting.But, these methods be not suitable for bury dark, seepage paths is short, the leakage passage leak stopping that has artesian water.Conventional leak stopping slurries are difficult to be delivered, and difficulty retains, high material consumption, and chemical grouting technical requirements is high, and cost is large, is subject to geological environment restriction serious.The impervious leakage-stopping of the leakage passage that therefore, need the leak-stopping technique of a kind of Simple And Practical of invention dark for burying, seepage paths is short, has artesian water.
Summary of the invention
For above-mentioned situation, for overcoming the defect of prior art, the present invention's object is just to provide leakage passage impervious leakage-stopping method, can effectively solve bury dark, seepage paths is short, the impervious leakage-stopping problem of the leakage passage that has artesian water.
The technical scheme that the present invention solves is to comprise the following steps:
(1) sawdust of the polyacrylamide solution that every 200L mass fraction is 1%, degree of hydrolysis is 30% and 5-10kg, wheat bran compound are mixed and make the first leak stopping slurries, the first leak stopping slush pump is entered to leakage passage, stop up tiny leakage passage, make large leakage passage be filled with sawdust and wheat bran;
(2) observe the mouth of a river water yield and change and have or not granular material to be taken out of, have and continue to pump into the first leak stopping slurries, until the delivery port water yield stops pumping into the first leak stopping slurries after having trend of obvious reduced;
(3) cement grout of the sawdust of the polyacrylamide solution that every 200L mass fraction is 1%, degree of hydrolysis is 30% and 5-10kg, wheat bran compound and 200L is mixed and makes the second leak stopping slurries, the second leak stopping slush pump is entered to leakage passage, utilize sawdust and the wheat bran of existence in leakage passage in step (1), by the fine particle absorption in the second leak stopping slurries, further shutoff leakage passage;
(4) observe the mouth of a river water yield and change and have or not granular material to be taken out of, have and continue to pump into the second leak stopping slurries, until after the disappearance of the delivery port water yield, stop pumping into the second leak stopping slurries;
(5) to leakage passage, pump into cement-silicate mortar, until injection rate is not more than 1L/min, continue perfusion 30min, grouting finishes;
(6) after solidifying 24h, cleaning bottom of hole is to channel base plate, and the reinforcement of cement injection slurries, until reach conventional grouting ending standard.
The invention solves bury dark, seepage paths is short, the leakage passage leak stopping problem that has artesian water, method is easy and simple to handle, is convenient to grasp; Economy, environmental protection are the innovations in leakage passage impervious leakage-stopping method.
The specific embodiment
Below the specific embodiment of the present invention is elaborated.
A leakage passage impervious leakage-stopping method, comprises the following steps:
(1) sawdust of the polyacrylamide solution that every 200L mass fraction is 1%, degree of hydrolysis is 30% and 5-10kg, wheat bran compound are mixed and make the first leak stopping slurries, the first leak stopping slush pump is entered to leakage passage, stop up tiny leakage passage, make large leakage passage be filled with sawdust and wheat bran;
Described sawdust, wheat bran compound are to be that the sawdust of 1 ︰ 1 and wheat bran mix and make by volume ratio;
The molecular weight of described polyacrylamide is 400-500 ten thousand, solid content >=88%, monomer residue < 0.2%;
(2) observe the mouth of a river water yield and change and have or not granular material to be taken out of, have and continue to pump into the first leak stopping slurries, until the delivery port water yield stops pumping into the first leak stopping slurries after having trend of obvious reduced;
(3) cement grout of the sawdust of the polyacrylamide solution that every 200L mass fraction is 1%, degree of hydrolysis is 30% and 5-10kg, wheat bran compound and 200L is mixed and makes the second leak stopping slurries, the second leak stopping slush pump is entered to leakage passage, utilize sawdust and the wheat bran of existence in leakage passage in step (1), by the fine particle absorption in the second leak stopping slurries, further shutoff leakage passage;
Described sawdust, wheat bran compound are to be that the sawdust of 1 ︰ 1 and wheat bran mix and make by volume ratio;
Described cement grout adopts P.032.5 Portland cement and water to mix and make by weight 1 ︰ 0.5;
(4) observe the mouth of a river water yield and change and have or not granular material to be taken out of, have and continue to pump into the second leak stopping slurries, until after the disappearance of the delivery port water yield, stop pumping into the second leak stopping slurries;
(5) to leakage passage, pump into cement-silicate mortar, until injection rate is not more than 1L/min, continue perfusion 30min, grouting finishes;
Described cement-silicate mortar is mixed and is made by cement, water and water glass, and wherein, the weight ratio of cement, water glass and water is 1:0.05:0.5.
(6) after solidifying 24h, cleaning bottom of hole is to channel base plate, and the reinforcement of cement injection slurries, until reach conventional grouting ending standard;
Described cement grout adopts P.032.5 Portland cement and water to mix and make by weight 1 ︰ 0.5.
The inventive method all obtains identical beneficial effect through practical application, as being successfully applied to Ruzhou City's Reservoir seepage control of dam engineering; Through implementing leakage passage impervious leakage-stopping method of the present invention, after this reservoir dam, the free flow of nearly 30 years disappears completely, and obvious technical effects has obtained good technology and society benefit; This reservoir is before impervious leakage-stopping, and Surface reservoir water percolating capacity maximum can reach 400m
3/ h, after impervious leakage-stopping, Surface reservoir infiltration disappears.
Compared with prior art, technique of the present invention has broken through the restriction of construction space and fed distance, and the irregular physical material of dryness that makes to be difficult to carry is pressed into by path flexible pipe that deep seepage forms " bridge formation " and then blocking channel becomes a reality; Broken through the limitation that traditional leak-stopping technique is had relatively high expectations to capacity of equipment and diameter of conveying pipe, conventional grouting equipment and conventional grouting aperture can meet the demands; Easy and simple to handle, be convenient to grasp; Economy, environmental protection; Solved preferably bury dark, seepage paths is short, the leakage passage leak stopping problem that has artesian water, has good society and economic benefit.
Claims (5)
1. a leakage passage impervious leakage-stopping method, is characterized in that, comprises the following steps:
(1) sawdust of the polyacrylamide solution that every 200L mass fraction is 1%, degree of hydrolysis is 30% and 5-10kg, wheat bran compound are mixed and make the first leak stopping slurries, the first leak stopping slush pump is entered to leakage passage, stop up tiny leakage passage, make large leakage passage be filled with sawdust and wheat bran;
(2) observe the mouth of a river water yield and change and have or not granular material to be taken out of, have and continue to pump into the first leak stopping slurries, until the delivery port water yield stops pumping into the first leak stopping slurries after having trend of obvious reduced;
(3) cement grout of the sawdust of the polyacrylamide solution that every 200L mass fraction is 1%, degree of hydrolysis is 30% and 5-10kg, wheat bran compound and 200L is mixed and makes the second leak stopping slurries, the second leak stopping slush pump is entered to leakage passage, utilize sawdust and the wheat bran of existence in leakage passage in step (1), by the fine particle absorption in the second leak stopping slurries, further shutoff leakage passage;
(4) observe the mouth of a river water yield and change and have or not granular material to be taken out of, have and continue to pump into the second leak stopping slurries, until after the disappearance of the delivery port water yield, stop pumping into the second leak stopping slurries;
(5) to leakage passage, pump into cement-silicate mortar, until injection rate is not more than 1L/min, continue perfusion 30min, grouting finishes;
(6) after solidifying 24h, cleaning bottom of hole is to channel base plate, and the reinforcement of cement injection slurries, until reach conventional grouting ending standard.
2. leakage passage impervious leakage-stopping method according to claim 1, is characterized in that, sawdust, wheat bran compound are to be that the sawdust of 1 ︰ 1 and wheat bran mix and make by volume ratio in described step (1) and step (3).
3. leakage passage impervious leakage-stopping method according to claim 1, is characterized in that, in described step (1), the molecular weight of polyacrylamide is 400-500 ten thousand, solid content >=88%, monomer residue < 0.2%.
4. leakage passage impervious leakage-stopping method according to claim 1, is characterized in that, cement grout adopts P.032.5 Portland cement and water to mix and make by weight 1 ︰ 0.5 in described step (3) and step (6).
5. leakage passage impervious leakage-stopping method according to claim 1, it is characterized in that, cement-silicate mortar in described step (5) is mixed and is made by cement, water and water glass, and wherein, the weight ratio of cement, water glass and water is 1:0.05:0.5.
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| CN201410292961.4A CN104047266A (en) | 2014-06-27 | 2014-06-27 | Seepage-proofing and leaking-stoppage method of leakage passage |
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| CN201410292961.4A CN104047266A (en) | 2014-06-27 | 2014-06-27 | Seepage-proofing and leaking-stoppage method of leakage passage |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104612108A (en) * | 2015-01-14 | 2015-05-13 | 重庆三峡学院 | Construction technology for large hidden crack of leaking stoppage dam foundation |
| CN104674762A (en) * | 2014-12-24 | 2015-06-03 | 维特国际新材料（武汉）有限公司 | Waterproof coating for water conservancy construction |
| CN108547260A (en) * | 2018-06-05 | 2018-09-18 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of full library basin Anti-seeping technology structure of karst area and construction method |
| CN110989741A (en) * | 2019-11-26 | 2020-04-10 | 广东申菱环境系统股份有限公司 | Liquid supplementing system and control method thereof |
| CN114855705A (en) * | 2021-06-21 | 2022-08-05 | 韩元元 | Method for treating leakage of water engineering |
| CN116396047A (en) * | 2023-03-03 | 2023-07-07 | 天津大学 | Filling type injection material and process for water leakage and sand leakage blocking emergency |
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| CN103215922A (en) * | 2013-04-09 | 2013-07-24 | 长江勘测规划设计研究有限责任公司 | High-pressure high-flow centralized leakage grouting leaking stoppage method |
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| DE3431106A1 (en) * | 1984-08-24 | 1986-03-06 | Ed. Züblin AG, 7000 Stuttgart | Arrangement for the additional sealing of trench walls enclosing landfill sites, by plastic-coated or uncoated, thin-walled metal sheets |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104674762A (en) * | 2014-12-24 | 2015-06-03 | 维特国际新材料（武汉）有限公司 | Waterproof coating for water conservancy construction |
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| CN104612108A (en) * | 2015-01-14 | 2015-05-13 | 重庆三峡学院 | Construction technology for large hidden crack of leaking stoppage dam foundation |
| CN108547260A (en) * | 2018-06-05 | 2018-09-18 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of full library basin Anti-seeping technology structure of karst area and construction method |
| CN110989741A (en) * | 2019-11-26 | 2020-04-10 | 广东申菱环境系统股份有限公司 | Liquid supplementing system and control method thereof |
| CN114855705A (en) * | 2021-06-21 | 2022-08-05 | 韩元元 | Method for treating leakage of water engineering |
| CN116396047A (en) * | 2023-03-03 | 2023-07-07 | 天津大学 | Filling type injection material and process for water leakage and sand leakage blocking emergency |
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Application publication date: 20140917 |