CN1629406A - Method for treating depression watertight in hydraulic engineering by employing yellow mud grout - Google Patents
Method for treating depression watertight in hydraulic engineering by employing yellow mud grout Download PDFInfo
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- CN1629406A CN1629406A CN 200410085824 CN200410085824A CN1629406A CN 1629406 A CN1629406 A CN 1629406A CN 200410085824 CN200410085824 CN 200410085824 CN 200410085824 A CN200410085824 A CN 200410085824A CN 1629406 A CN1629406 A CN 1629406A
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Abstract
The invention relates to a method for treating depression watertight in hydraulic engineering by employing yellow mud grout, which comprises disposing grouting borehole, pore-creating, formulating yellow mud grout, arranging grouting equipment and grouting. The yellow mud grouting treatment can produce a layer of hard yellow mud between the starching and laying rock block bottom board and the ground foundation.
Description
Technical field:
A kind of processing method that the present invention relates to the depression of hydraulic engineering and leak.
Background technology:
The hydraulic engineering particularly soil under the embankment canal dike is mainly silt and sandy loam, the compressibilty height, and water permeability is strong, is easy to take place depression and causes canal end liner course by drawing crack, causes the crack to leak.Existing two alternatives: the one, the reinforced concrete floor of overlay 40 cm thicks needs cement, steel on barrier sheet at the bottom of the canal, invests very big.The 2nd, subsidize with glass wool cloth and epoxy resin.But large tracts of land is subsidized difficulty, and the glass wool cloth long term exposure that posts is easily aging in atmosphere, also must handle after aging again.
Summary of the invention:
The objective of the invention is to overcome above deficiency and provide a kind of cost near low, the yellow mud consolidated subsoil utilizing, the processing method of preventing depression and leaking.
The present invention is achieved by the following technical solution: handle the depression of hydraulic engineering and the method for leaking with thick loess grouting, its major technique feature is that this method may further comprise the steps: one, the layout of grout hole and pore-creating: grout hole is arranged to quincunx, first, second and third round all is positioned on the crack, and array pitch and pitch-row all are 4~5 meters; Irritating the oar hole is to pass the lining cutting base plate with 1 inch iron pipe, gos deep into 20 centimetres on ground again, exposes 10 centimetres, is connected with grout pipe; Two, the preparation of yellow mud slurries: the preparation slurries to select the yellow mud that clay is many, coarse grain is little, its grating is: particle diameter less than 0.005 millimeter account for 42%, 0.005~0.05 millimeter account for 34%, 0.05~2 millimeters account for 24%, organic content is less than 1%; The yellow mud of preparation divides two kinds: the concentration of slurry 1.15 that gravitational grouting is used, the proportioning of water, yellow mud, cement are 70: 28: 2; Concentration of slurry with the grouting machine perfusion is 1.2, and the proportioning of water, yellow mud, cement is 70: 27: 3; Three, grouting equipment and layout thereof: the equipment that irritating yellow mud needs is water pump, reservoir, beater, pulp storage tank, join stock tank, grouting machine, pressure meter, mesh are 1 * 1,2 * 2 millimeter iron wire cloth, diameter is 2 inches rubber tube and several valve, reservoir, beater, pulp storage tank, join stock tank, grouting machine from high to low order arrange, the outlet mounted valve of beater and pulp storage tank and filtration iron wire cloth, join the stock tank outlet threeway is installed, one is connected with the gravitational grouting rubber tube, be communicated with grout hole again, as gravitational grouting; The other end is communicated with grouting machine, the grouting of can pressurizeing; Four, grouting: use earlier gravitational grouting, gravitational grouting pipe and grout hole are connected, pressure is controlled at below 0.6 kg/cm, pours into; After grout hole does not advance slurry, use the grouting machine enhancing perfusion again, pressure is controlled at below 1.2 kg/cm; When pressure during in 1.2 kg/cm, grout hole no longer advances slurry, and slurry promptly comes to an end; Before grouting, be with the crack cutter wash clean of canal end liner course, crack is mended the jail with No. 80 husky oars, big seams with No. 150 concrete.
After handling through thick loess grouting, between cemented rock base plate and ground, tied the hard yellow mud of one deck, in the space that reaches 5 meters thick silts and sandy loam deeply also filling yellow mud, from shallow to deep, reduce gradually.Improved the compactness and the bearing capacity of soil, reduced the soil permeability coefficient, the purpose of reached consolidated subsoil, preventing depression and leak.
Description of drawings:
Fig. 1 is the grout hole arrangement diagram;
Fig. 2 arranges schematic diagram for grouting equipment.
The specific embodiment:
As shown in Figure 1, the layout of first step grout hole and pore-creating: grout hole 13 is arranged to quincunx, and first, second and third round all is positioned on the crack 14, and array pitch and pitch-row all are 4~5 meters.Irritating the oar hole is to pass the lining cutting base plate with 1 inch iron pipe, gos deep into 20 centimetres on ground again, exposes 10 centimetres, so that be connected with grout pipe.Before being grouting, be with the crack cutter wash clean of canal end liner course, crack is mended the jail with No. 80 husky oars, big seams with No. 150 concrete.
Second the step be the preparation of yellow mud slurries: the preparation slurries to select the yellow mud that clay is many, coarse grain is little, its grating is: particle diameter less than 0.005 millimeter account for 42%, 0.005~0.05 millimeter account for 34%, 0.05~2 millimeters account for 24%, organic content is less than 1%; The yellow mud of preparation divides two kinds: the concentration of slurry 1.15 that gravitational grouting is used, the proportioning of water, yellow mud, cement are 70: 28: 2; Concentration of slurry with the grouting machine perfusion is 1.2, and the proportioning of water, yellow mud, cement is 70: 27: 3.The step of preparation slurries is by proportioning quantitative water and yellow mud to be dropped into beater tub earlier, makes a call to 10 minutes just pulpings approximately, and the process mesh is after 2 * 2 millimeters iron wire cloth filters, and flows in the pulp storage tank to store.When using slurry, stir with six tooth harrows earlier and spare, open valve, the process mesh is that 1 * 1 millimeter iron wire cloth filters, and flows into and joins stock tank, adds No. 400 quantitative cement by proportioning again and mixes thoroughly, promptly is made into the slurries of perfusion.Yellow mud wants matter pure, must filter impurity in the yellow mud and coarse granule, and concentration is measured with hydrometer.
As shown in Figure 2, the 3rd step grouting equipment and layout thereof: the equipment that irritating yellow mud needs is water pump, reservoir, beater, pulp storage tank, join stock tank, grouting machine, pressure meter, mesh are iron wire cloth 5 and 2 * 2 millimeters iron wire cloths 3 of 1 * 1 millimeter, and diameter is 2 inches rubber tube and several valve.Beater is homemade in the building site, the circular wood tube that high 1.2 meters, diameter is 1.1 meters, and interior dress vertical shaft is equipped with four iron blades on the axle, uses motor drives.Grouting machine is common grouting machine, is communicated with machinery grouting rubber tube 10.Pulp storage tank with join stock tank and become with brick, barnacle.The grouting place is chosen on the hillside, joins stock tank and is higher than that 7 distances are 7 meters at the bottom of the canal, enables gravitational grouting.Reservoir 1, beater 2, pulp storage tank 4, join stock tank 6, grouting machine 8 from high to low order arrange, the outlet mounted valve of beater and pulp storage tank and filter iron wire cloth is joined the stock tank outlet threeway is installed, and one is connected with gravitational grouting rubber tube 11, be communicated with grout hole again, as gravitational grouting; The other end is communicated with grouting machine, the grouting of can pressurizeing.Also have piece stone and concrete lining course 12 among the figure.
The 4th step was grouting: use earlier gravitational grouting, gravitational grouting pipe and grout hole are connected, pressure is controlled at below 0.6 kg/cm with pressure meter 9, pours into; After grout hole does not advance slurry, use the grouting machine enhancing perfusion again, pressure is controlled at below 1.2 kg/cm; When pressure during in 1.2 kg/cm, grout hole no longer advances slurry, and slurry promptly comes to an end;
This handles the depression of channel with thick loess grouting and the method for leaking is equally applicable to handle the depression and the seepy question of other all hydraulic engineerings.
Claims (2)
1, a kind of with the depression of thick loess grouting processing hydraulic engineering and the method for leaking, it is characterized in that this method may further comprise the steps: one, the layout of grout hole and pore-creating: grout hole is arranged to quincunx, first, second and third round all is positioned on the crack, and array pitch and pitch-row all are 4~5 meters; Irritating the oar hole is to pass the lining cutting base plate with 1 inch iron pipe, gos deep into 20 centimetres on ground again, exposes 10 centimetres, is connected with grout pipe; Two, the preparation of yellow mud slurries: the preparation slurries to select the yellow mud that clay is many, coarse grain is little, its grating is: particle diameter less than 0.005 millimeter account for 42%, 0.005~0.05 millimeter account for 34%, 0.05~2 millimeters account for 24%, organic content is less than 1%; The yellow mud of preparation divides two kinds: the concentration of slurry 1.15 that gravitational grouting is used, the proportioning of water, yellow mud, cement are 70: 28: 2; Concentration of slurry with the grouting machine perfusion is 1.2, and the proportioning of water, yellow mud, cement is 70: 27: 3; Three, grouting equipment and layout thereof: the equipment that irritating yellow mud needs is water pump, reservoir, beater, pulp storage tank, join stock tank, grouting machine, pressure meter, mesh are 1 * 1,2 * 2 millimeter iron wire cloth, diameter is 2 inches rubber tube and several valve, reservoir, beater, pulp storage tank, join stock tank, grouting machine from high to low order arrange, the outlet mounted valve of beater and pulp storage tank and filtration iron wire cloth, join the stock tank outlet threeway is installed, one is connected with the gravitational grouting rubber tube, be communicated with grout hole again, as gravitational grouting; The other end is communicated with grouting machine, the grouting of can pressurizeing; Four, grouting: use earlier gravitational grouting, gravitational grouting pipe and grout hole are connected, pressure is controlled at below 0.6 kg/cm, pours into; After grout hole does not advance slurry, use the grouting machine enhancing perfusion again, pressure is controlled at below 1.2 kg/cm; When pressure during in 1.2 kg/cm, grout hole no longer advances slurry, and slurry promptly comes to an end.
2, as claimed in claim 1ly a kind ofly handle the depression of hydraulic engineering and the method for leaking with thick loess grouting, it is characterized in that grouting before, be with the crack cutter wash clean of canal end liner course, crack is firm with No. 150 concrete benefits with No. 80 husky oars, big seam.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 200410085824 CN1277023C (en) | 2004-10-20 | 2004-10-20 | Method for treating depression watertight in hydraulic engineering by employing yellow mud grout |
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CN 200410085824 CN1277023C (en) | 2004-10-20 | 2004-10-20 | Method for treating depression watertight in hydraulic engineering by employing yellow mud grout |
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CN1629406A true CN1629406A (en) | 2005-06-22 |
CN1277023C CN1277023C (en) | 2006-09-27 |
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CN 200410085824 Expired - Fee Related CN1277023C (en) | 2004-10-20 | 2004-10-20 | Method for treating depression watertight in hydraulic engineering by employing yellow mud grout |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101503915A (en) * | 2009-03-09 | 2009-08-12 | 中国建筑第六工程局有限公司 | Construction method for ultra-large area, ultra-thin non-agglutination pre-stress integral pond baseboard |
CN101235632B (en) * | 2007-12-28 | 2010-06-02 | 中国水电顾问集团中南勘测设计研究院 | Grouting leak-stopping technique |
CN102108701A (en) * | 2009-12-29 | 2011-06-29 | 贵阳铝镁设计研究院 | Method for reinforcing soil at periphery of column by non-pressure grouting |
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 |
CN103255762A (en) * | 2013-05-10 | 2013-08-21 | 中国矿业大学(北京) | Method of leading Yellow River silt to fill reclamation coal mining subsidence land |
CN104846848A (en) * | 2015-03-23 | 2015-08-19 | 安徽理工大学 | Method for controlling earth surface water and soil loss of underground layered mineral product mining subsidence area |
-
2004
- 2004-10-20 CN CN 200410085824 patent/CN1277023C/en not_active Expired - Fee Related
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101235632B (en) * | 2007-12-28 | 2010-06-02 | 中国水电顾问集团中南勘测设计研究院 | Grouting leak-stopping technique |
CN101503915A (en) * | 2009-03-09 | 2009-08-12 | 中国建筑第六工程局有限公司 | Construction method for ultra-large area, ultra-thin non-agglutination pre-stress integral pond baseboard |
CN102108701A (en) * | 2009-12-29 | 2011-06-29 | 贵阳铝镁设计研究院 | Method for reinforcing soil at periphery of column by non-pressure grouting |
CN102108701B (en) * | 2009-12-29 | 2013-07-24 | 贵阳铝镁设计研究院有限公司 | Method for reinforcing soil at periphery of column by non-pressure grouting |
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 |
CN103255762A (en) * | 2013-05-10 | 2013-08-21 | 中国矿业大学(北京) | Method of leading Yellow River silt to fill reclamation coal mining subsidence land |
CN103255762B (en) * | 2013-05-10 | 2015-04-08 | 中国矿业大学(北京) | Method of leading Yellow River silt to fill reclamation coal mining subsidence land |
CN104846848A (en) * | 2015-03-23 | 2015-08-19 | 安徽理工大学 | Method for controlling earth surface water and soil loss of underground layered mineral product mining subsidence area |
CN104846848B (en) * | 2015-03-23 | 2016-08-24 | 安徽理工大学 | A kind of method controlling the earth's surface soil erosion of stratiform exploitation of mineral resources Subsidence Area, underground |
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Publication number | Publication date |
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CN1277023C (en) | 2006-09-27 |
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