CN103806457A - Novel construction technology of waterproof curtain - Google Patents
Novel construction technology of waterproof curtain Download PDFInfo
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- CN103806457A CN103806457A CN201210439973.6A CN201210439973A CN103806457A CN 103806457 A CN103806457 A CN 103806457A CN 201210439973 A CN201210439973 A CN 201210439973A CN 103806457 A CN103806457 A CN 103806457A
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- stop curtain
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Abstract
The invention relates to a novel construction technology of a waterproof curtain. The novel construction technology includes the following processing steps: (1) carrying out measurement positioning, (2) enabling a hole leading drilling machine to be in place according to the marked position to carry out hole drilling, (3) cleaning a hole after hole drilling is completed, moving the hole leading drilling machine to a next hole position, and repeating the step (2) and the step (3), (4) preparing cement paste, (5) inserting a high-pressure spraying pipe into the hole, meanwhile, starting an air compressor to supply air, and starting a high-pressure water pump to supply water, (6) carrying out high-pressure jet grouting operation: forming the waterproof curtain by pumping the cement paste, and enabling the high-pressure spraying pipe to be lifted in a rotary mode, (7) carrying out recharging to enable the hole to be filled with the paste, and (8) carrying out movement: moving the high-pressure spraying pipe to the next hole position, repeating the step (5), the step (6) and the step (7), and finally completing construction of the whole waterproof curtain. The novel construction technology of the waterproof curtain has the advantages of being rapid in construction, good in waterproof effect, capable of keeping a soil layer structure stable and the like.
Description
[technical field]
The present invention relates to a kind of construction techniques, be specifically related to a kind of construction technology of Novel water-stop curtain.
[background technology]
In the prior art, water-stop curtain conventionally need to excavate a complete foundation ditch between moulding, easily cause foundation ditch surrounding soil unstable, and concreting is also insecure in digging process.
When excavation of foundation pit is to phreatic line lower time, conventionally there will be mud particles constantly to drop from margin of foundation pit, construction is caused to puzzlement, and finally affect the quality that water-stop curtain is built.
Therefore,, for solving the problems of the technologies described above, the necessary construction technology that a kind of Novel water-stop curtain with improved process is provided, to overcome described defect of the prior art.
[summary of the invention]
For addressing the above problem, the object of the present invention is to provide a kind ofly construct fast, stagnant water effect is good and can keep the construction technology of the stable Novel water-stop curtain of soil layer construction.
For achieving the above object, the technical scheme that the present invention takes is: a kind of construction technology of Novel water-stop curtain, it comprises following processing step: 1), measurement and positioning: with transit and level gauge measurement and positioning, and determine the position in churning hole after secondary detection confirmation, and make marks on position, hole; 2), hole after in place by the position of mark drawing drilling machine; 3), carry out hole clearly after having holed, and will draw drilling machine and be displaced to next position, hole, and repeating step 2) and step 3); 4), configuration cement paste; 5), insert high-pressure nozzle to hole, start air compressor machine air-supply, water under high pressure pumping water simultaneously; 6), high-pressure rotary-spray operation: form water-stop curtain by pumps water mud, high pressure spray tube edge rotation limit promotes; 7), recharge, make to keep full in hole and starch; 8), resettlement: high-pressure nozzle is moved to next position, hole, repeating step 5) to step 7), and finally complete the water curtain construction of whole road.
The construction technology of Novel water-stop curtain of the present invention is further: the gradient of described boring must not be greater than 1.5%.
The construction technology of Novel water-stop curtain of the present invention is further: the material of described cement paste is neat slurry, and cement adopts P.C.32.5 Composite portland cement; The water/binder ratio of cement paste is 1.0, and serum density is 1.49kg/L.
The construction technology of Novel water-stop curtain of the present invention is further: the air pressure of described air compressor machine air-supply is 0.7Mpa, and air mass flow is 3m
3/ min.
The construction technology of Novel water-stop curtain of the present invention is further: the pressure of described water under high pressure pumping water is greater than 30Mpa, and discharge is 100L/min.
The construction technology of Novel water-stop curtain of the present invention is further: the pressure of described pumps water mud is 2Mpa, and slurry flow is 80L/min.
The construction technology of Novel water-stop curtain of the present invention is further: the rotary speed of described high-pressure nozzle is 15Rpm, and hoisting velocity is 15～20cm/min.
The construction technology of Novel water-stop curtain of the present invention is further: before high-pressure nozzle promotes, and the quiet spray of original position 1～3 minute at the bottom of Ying Kong.
The construction technology of Novel water-stop curtain of the present invention is further: described cement paste consumption is 180～250kg/m.
The construction technology of Novel water-stop curtain of the present invention is further: before high-pressure nozzle inserts in the hole, need to try spray inspection.
Compared with prior art, the present invention has following beneficial effect: the construction technology of Novel water-stop curtain of the present invention have construction fast, stagnant water effect is good and can keep soil layer construction the plurality of advantages such as to stablize.
[accompanying drawing explanation].
Fig. 1 is the process chart of the construction technology of Novel water-stop curtain of the present invention.
[specific embodiment]
Refer to shown in Figure of description 1, the present invention is a kind of construction technology of Novel water-stop curtain, and it comprises following processing step:
1), measurement and positioning: with transit and level gauge measurement and positioning, and determine the position in churning hole after secondary detection confirmation, and make marks on position, hole;
2), hole after in place by the position of mark drawing drilling machine, wherein, the gradient of described boring must not be greater than 1.5%;
3), carry out hole clearly after having holed, and will draw drilling machine and be displaced to next position, hole, and repeating step 2) and step 3);
4), configuration cement paste, wherein, the material of described cement paste is neat slurry, cement adopts P.C.32.5 Composite portland cement; The water/binder ratio of cement paste is 1.0, and serum density is 1.49kg/L; Its consumption is 180～250kg/m;
5), insert high-pressure nozzle to hole, start air compressor machine air-supply, water under high pressure pumping water simultaneously; Wherein, the air pressure of described air compressor machine air-supply is 0.7Mpa, and air mass flow is 3m
3/ min; The pressure of described water under high pressure pumping water is greater than 30Mpa, and discharge is 100L/min; Before inserting in the hole, high-pressure nozzle needs to try spray inspection;
6), high-pressure rotary-spray operation: form water-stop curtain by pumps water mud, high pressure spray tube edge rotation limit promotes; Wherein, the pressure of described pumps water mud is 2Mpa, and slurry flow is 80L/min; The rotary speed of described high-pressure nozzle is 15Rpm, and hoisting velocity is 15～20cm/min; Meanwhile, before high-pressure nozzle promotes, the quiet spray of original position 1～3 minute at the bottom of Ying Kong;
7), recharge, make to keep full in hole and starch;
8), resettlement: high-pressure nozzle is moved to next position, hole, repeating step 5) to step 7), and finally complete the water curtain construction of whole road.
The above specific embodiment is only the preferred embodiment of this creation, not in order to limit this creation, any modification of making, is equal to replacement, improvement etc., within all should being included in the protection domain of this creation within all spirit in this creation and principle.
Claims (10)
1. a construction technology for Novel water-stop curtain, is characterized in that: comprise following processing step:
1), measurement and positioning: with transit and level gauge measurement and positioning, and determine the position in churning hole after secondary detection confirmation, and make marks on position, hole;
2), hole after in place by the position of mark drawing drilling machine;
3), carry out hole clearly after having holed, and will draw drilling machine and be displaced to next position, hole, and repeating step 2) and step 3);
4), configuration cement paste;
5), insert high-pressure nozzle to hole, start air compressor machine air-supply, water under high pressure pumping water simultaneously;
6), high-pressure rotary-spray operation: form water-stop curtain by pumps water mud, high pressure spray tube edge rotation limit promotes;
7), recharge, make to keep full in hole and starch;
8), resettlement: high-pressure nozzle is moved to next position, hole, repeating step 5) to step 7), and finally complete the water curtain construction of whole road.
2. the construction technology of Novel water-stop curtain as claimed in claim 1, is characterized in that: the gradient of described boring must not be greater than 1.5%.
3. the construction technology of Novel water-stop curtain as claimed in claim 1, is characterized in that: the material of described cement paste is neat slurry, and cement adopts P.C.32.5 Composite portland cement; The water/binder ratio of cement paste is 1.0, and serum density is 1.49kg/L.
4. the construction technology of Novel water-stop curtain as claimed in claim 1, is characterized in that: the air pressure of described air compressor machine air-supply is 0.7Mpa, and air mass flow is 3m
3/ min.
5. the construction technology of Novel water-stop curtain as claimed in claim 1, is characterized in that: the pressure of described water under high pressure pumping water is greater than 30Mpa, and discharge is 100L/min.
6. the construction technology of Novel water-stop curtain as claimed in claim 1, is characterized in that: the pressure of described pumps water mud is 2Mpa, and slurry flow is 80L/min.
7. the construction technology of Novel water-stop curtain as claimed in claim 1, is characterized in that: the rotary speed of described high-pressure nozzle is 15Rpm, and hoisting velocity is 15～20cm/min.
8. the construction technology of Novel water-stop curtain as claimed in claim 1, is characterized in that: before high-pressure nozzle promotes, and the quiet spray of original position 1～3 minute at the bottom of Ying Kong.
9. the construction technology of Novel water-stop curtain as claimed in claim 1, is characterized in that: described cement paste consumption is 180～250kg/m.
10. the construction technology of Novel water-stop curtain as claimed in claim 1, is characterized in that: before high-pressure nozzle inserts in the hole, need to try spray inspection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210439973.6A CN103806457A (en) | 2012-11-07 | 2012-11-07 | Novel construction technology of waterproof curtain |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210439973.6A CN103806457A (en) | 2012-11-07 | 2012-11-07 | Novel construction technology of waterproof curtain |
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| CN103806457A true CN103806457A (en) | 2014-05-21 |
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| CN201210439973.6A Pending CN103806457A (en) | 2012-11-07 | 2012-11-07 | Novel construction technology of waterproof curtain |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196041A (en) * | 2014-08-09 | 2014-12-10 | 葛洲坝集团基础工程有限公司 | Construction method for concrete diaphragm wall cofferdam heightening |
| CN105220695A (en) * | 2015-08-21 | 2016-01-06 | 中铁建大桥工程局集团第五工程有限公司 | Close sand ovum layer moves water slip casting solidification construction |
| CN105649053A (en) * | 2016-02-05 | 2016-06-08 | 沙焕焕 | Construction method of multielement stiffness composite pile |
| CN105862872A (en) * | 2016-04-05 | 2016-08-17 | 中铁十局集团第四工程有限公司 | Deep foundation pit support structure joint water stop construction method |
| CN105862725A (en) * | 2016-03-31 | 2016-08-17 | 大连久鼎祥瑞特种工程技术研究院有限公司 | Underground construction preliminary grouting waterproof and anti-seepage supporting technology |
| CN107119692A (en) * | 2017-05-03 | 2017-09-01 | 中交航局第工程有限公司 | A kind of Soft Deep Foundation Pit support construction process |
| CN107842030A (en) * | 2017-12-07 | 2018-03-27 | 中铁二十局集团第六工程有限公司 | High-pressure rotary jet grouting pile equipment and construction method are used in a kind of material for diaphragm wall of Cofferdam construction |
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| JPH09111750A (en) * | 1995-10-16 | 1997-04-28 | Kazuo Iki | High pressure jet agitation pile method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196041A (en) * | 2014-08-09 | 2014-12-10 | 葛洲坝集团基础工程有限公司 | Construction method for concrete diaphragm wall cofferdam heightening |
| CN104196041B (en) * | 2014-08-09 | 2016-08-17 | 中国葛洲坝集团基础工程有限公司 | A kind of concrete cut cofferdam body heightening construction method |
| CN105220695A (en) * | 2015-08-21 | 2016-01-06 | 中铁建大桥工程局集团第五工程有限公司 | Close sand ovum layer moves water slip casting solidification construction |
| CN105220695B (en) * | 2015-08-21 | 2017-05-10 | 中铁建大桥工程局集团第五工程有限公司 | Compact sandy-pebble layer dynamic grouting curing construction method |
| CN105649053A (en) * | 2016-02-05 | 2016-06-08 | 沙焕焕 | Construction method of multielement stiffness composite pile |
| CN105862725A (en) * | 2016-03-31 | 2016-08-17 | 大连久鼎祥瑞特种工程技术研究院有限公司 | Underground construction preliminary grouting waterproof and anti-seepage supporting technology |
| CN105862872A (en) * | 2016-04-05 | 2016-08-17 | 中铁十局集团第四工程有限公司 | Deep foundation pit support structure joint water stop construction method |
| CN107119692A (en) * | 2017-05-03 | 2017-09-01 | 中交航局第工程有限公司 | A kind of Soft Deep Foundation Pit support construction process |
| CN107842030A (en) * | 2017-12-07 | 2018-03-27 | 中铁二十局集团第六工程有限公司 | High-pressure rotary jet grouting pile equipment and construction method are used in a kind of material for diaphragm wall of Cofferdam construction |
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| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Jiang Xueqiang Inventor after: Lu Changgen Inventor after: Guo Caixia Inventor after: Shi Leilei Inventor after: Chen Xilin Inventor after: Di Yongshan Inventor after: Wang Wenzhi Inventor before: Liu Qiduo Inventor before: Chen Xilin Inventor before: Jiang Xueqiang Inventor before: Lu Changgen Inventor before: Guo Caixia Inventor before: Shi Yajun Inventor before: Shi Leilei Inventor before: Hu Jianjun |
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Free format text: CORRECT: INVENTOR; FROM: LIU QIDUO CHEN XILIN JIANG XUEQIANG LU CHANGGEN GUO CAIXIA SHI YAJUN SHI LEILEI HU JIANJUN TO: JIANG XUEQIANG LU CHANGGEN GUO CAIXIA SHI LEILEI CHEN XILIN ZHAI YONGSHAN WANG WENZHI |
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Application publication date: 20140521 |