CN103089301A - Grouting reinforcement construction process capable of realizing draining and plugging combined effect for underground water in vertical shaft - Google Patents

Grouting reinforcement construction process capable of realizing draining and plugging combined effect for underground water in vertical shaft Download PDF

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Publication number
CN103089301A
CN103089301A CN2011103392449A CN201110339244A CN103089301A CN 103089301 A CN103089301 A CN 103089301A CN 2011103392449 A CN2011103392449 A CN 2011103392449A CN 201110339244 A CN201110339244 A CN 201110339244A CN 103089301 A CN103089301 A CN 103089301A
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vertical shaft
grouting
liquid
water
grout
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CN2011103392449A
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CN103089301B (en
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朱玉明
韩化龙
胡嵩
赵欣
孟庆龙
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Beijing Municipal Construction Co Ltd
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Beijing Municipal Construction Co Ltd
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Abstract

The invention relates to a grouting reinforcement construction process capable of realizing a draining and plugging combined effect for underground water in a vertical shaft. The grouting reinforcement construction process includes steps of (1), temporarily sealing the bottom of the vertical shaft, arranging grouting pipes on inner and outer sides of the vertical shaft, arranging drain pipes matched with the grouting pipes on the vertical shaft and locally pumping the water by a vacuum pump; (2), diluting sodium silicate of raw grout 39Be' by water to obtain grout 28Be', mixing TGRM grouting materials with cement according to a proportion of 1:3 to obtain second grout, mixing the grout 28Be' with the second grout according to a proportion of 1:1 to obtain liquid A, diluting sodium silicate of raw grout 39Be' by water to obtain grout 30Be', diluting strong phosphoric acid by water according to a proportion of 1:6 to obtain diluted phosphoric acid, and mixing the grout 30Be' with the diluted phosphoric acid according to a proportion of 1:1 to obtain liquid B; (3), alternately filling the liquid A and the liquid B into reinforcement soil layers of the vertical shaft via the grouting pipes and completing grouting for the periphery of the vertical shaft; and (4), feeding small pipes within a 1.5m range of the periphery of the vertical shaft by the aid of high-pressure blast, and alternately filling the liquid A and the liquid B into the periphery of the vertical shaft via the small pipes. The grouting reinforcement construction process has the advantages that 'draining' and 'plugging' are combined and work along both lines in the grouting construction process for the vertical shaft, so that water layers are prevented from diffusing and permeating towards feeble grouted positions, the vertical shaft construction difficulty is lowered, and the construction safety degree is increased.

Description

The grouting and reinforcing construction technology of underground water combining the two ways of dredging and plugging in a kind of vertical shaft
[technical field]
The present invention relates to a kind of construction techniques, be specifically related to the grouting and reinforcing construction technology of underground water combining the two ways of dredging and plugging in vertical shaft.
[background technology]
In vertical shaft, the grouting and reinforcing construction technology success or failure of underground water combining the two ways of dredging and plugging are related to whole workmanship and safety.In To Construction of Silo, often need to pass through the geological stratification in aquifer, in the situation that can not take precipitation face to face, if simple slip casting shutoff easily causes partial water pressure to increase, this has directly aggravated the trend of water layer to slip casting weakness scattering and permeating, has virtually promoted difficulty of construction.
For solving the problems of the technologies described above, the necessary construction technology that a kind of vertical shaft tunneling safety, reliable grouting and reinforcing are provided under groundwater environment is to overcome described defective of the prior art.
[summary of the invention]
For addressing the above problem, the grouting and reinforcing construction technology of underground water combining the two ways of dredging and plugging in the vertical shaft of the object of the present invention is to provide a kind of " dredge, block up " combination, working along both lines.
For achieving the above object, the technical scheme that the present invention takes is: the grouting and reinforcing construction technology of underground water combining the two ways of dredging and plugging in a kind of vertical shaft, it comprises following processing step: (1), with the interim back cover of vertical shaft, arranged outside Grouting Pipe in vertical shaft, simultaneously, be equipped with drain pipe, adopt the vacuum pump part to draw water; (2), the water glass of magma 39Be ' is diluted with water to 28Be ', the TGRM grouting material mixes according to the ratio of 1: 3 with cement, and above two kinds of slurries are mixed and made into A liquid at 1: 1; The water glass of magma 39Be ' is diluted with water to 30Be ', and SPA was diluted with water to phosphoric acid,diluted according to 1: 6, and above two kinds of slurries are mixed and made into B liquid at 1: 1; (3), adopt high-pressure blast ductule to be sent in the scope of vertical shaft surrounding 1.5m, A liquid and B liquid are alternately injected the vertical shaft surrounding by ductule; (4), A liquid and B liquid are alternately injected in vertical shaft by Grouting Pipe, the pressure that bi-material injects is 0.3Mpa~0.6Mpa, thereby completes the hydrophobic and slip casting of vertical shaft surrounding.
In vertical shaft of the present invention, the grouting and reinforcing construction technology of underground water combining the two ways of dredging and plugging is further: 35 ° of the vertical inclinations of described Grouting Pipe, drain pipe vertically tilts 22 °, both coordinates.
In vertical shaft of the present invention, the grouting and reinforcing construction technology of underground water combining the two ways of dredging and plugging is further: described Grouting Pipe and drain pipe are all selected Φ 32*3.5 boring seamless steel pipe.
Compared with prior art, the present invention has following beneficial effect: the grouting and reinforcing construction technology of vertical shaft of the present invention by " dredge, stifled " in conjunction with, work along both lines, thereby avoided the trend of water layer to slip casting weakness scattering and permeating, strengthened the construction safety degree; Simultaneously, will recharge at the place of selecting in segment limit is completed in construction for the underground water of dredging out, to guarantee that in soil layer, water content is stable, avoid surface subsidence; Reduce groundwater abstraction quantity, favourable to environmental protection; Reduce grouting amount, save cost, reduce and pollute.
[specific embodiment]
The present invention is the grouting and reinforcing construction technology of underground water combining the two ways of dredging and plugging in vertical shaft, and it comprises following processing step: (1), and when To Construction of Silo is met underground water, at first with the interim back cover of vertical shaft, and bilateral arranges Grouting Pipe inside and outside vertical shaft, simultaneously, is equipped with drain pipe.35 ° of the vertical inclinations of described Grouting Pipe, drain pipe vertically tilts 22 °.Described Grouting Pipe and drain pipe are all selected Φ 32*3.5 boring seamless steel pipe.
(2), the water glass of magma 39Be ' is diluted with water to 28Be ', the TGRM grouting material mixes according to the ratio of 1: 3 with cement, and above two kinds of slurries are mixed and made into A liquid at 1: 1; The water glass of magma 39Be ' is diluted with water to 30Be ', and SPA was diluted with water to phosphoric acid,diluted according to 1: 6, and above two kinds of slurries are mixed and made into B liquid at 1: 1.
(3), A liquid and B liquid are alternately injected in vertical shaft by Grouting Pipe, the pressure that bi-material injects is 0.3Mpa~0.6Mpa, thereby completes the slip casting of vertical shaft surrounding.
(4), adopt high-pressure blast ductule to be sent in the scope of vertical shaft surrounding 1.5m, A liquid and B liquid are alternately injected the vertical shaft surrounding by ductule, this grouting pressure is controlled at 0.6Mpa.Described ductule is 0.5m in side and the base plate spacing of vertical shaft.
In vertical shaft of the present invention the grouting and reinforcing construction technology of underground water combining the two ways of dredging and plugging by " dredge, stifled " combination, work along both lines, thereby avoided the trend of water layer to slip casting weakness scattering and permeating, the difficulty of To Construction of Silo is reduced greatly, improved the construction safety degree; Simultaneously, will recharge at the place of selecting in segment limit is completed in construction for the underground water of dredging out, to guarantee that in soil layer, water content is stable, avoid surface subsidence.
The above specific embodiment is only the preferred embodiment of this creation, not in order to limiting this creation, all in this creation spirit and principle within make any modification, be equal to replacement, improvement etc., within all should being included in the protection domain of this creation.

Claims (3)

1. the grouting and reinforcing construction technology of underground water combining the two ways of dredging and plugging in a vertical shaft is characterized in that: comprise following processing step:
(1), with the interim back cover of vertical shaft, arranged outside Grouting Pipe in vertical shaft simultaneously, is equipped with drain pipe, adopts the vacuum pump part to draw water;
(2), the water glass of magma 39Be ' is diluted with water to 28Be ', the TGRM grouting material mixes according to the ratio of 1: 3 with cement, and above two kinds of slurries are mixed and made into A liquid at 1: 1; The water glass of magma 39Be ' is diluted with water to 30Be ', and SPA was diluted with water to phosphoric acid,diluted according to 1: 6, and above two kinds of slurries are mixed and made into B liquid at 1: 1;
(3), adopt high-pressure blast ductule to be sent in the scope of vertical shaft surrounding 1.5m, A liquid and B liquid are alternately injected the vertical shaft surrounding by ductule;
(4), A liquid and B liquid are alternately injected in vertical shaft by Grouting Pipe, the pressure that bi-material injects is 0.3Mpa~0.6Mpa, thereby completes the hydrophobic and slip casting of vertical shaft surrounding.
2. the grouting and reinforcing construction technology of underground water combining the two ways of dredging and plugging in vertical shaft as claimed in claim 1 is characterized in that: described Grouting Pipe is vertical tilts 35 °, and drain pipe vertically tilts 22 °, both coordinates.
3. the grouting and reinforcing construction technology of underground water combining the two ways of dredging and plugging in vertical shaft as claimed in claim 2, it is characterized in that: described Grouting Pipe and drain pipe are all selected Φ 32*3.5 boring seamless steel pipe.
CN201110339244.9A 2011-11-01 2011-11-01 Grouting reinforcement construction process capable of realizing draining and plugging combined effect for underground water in vertical shaft Expired - Fee Related CN103089301B (en)

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Cited By (10)

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CN103388338A (en) * 2013-07-24 2013-11-13 中铁十六局集团有限公司 Novel rapid water stopping and soil mass improving method
CN104612753A (en) * 2015-01-29 2015-05-13 湖南科技大学 Closing-blocking-draining combined water prevention and control method for Maokou limestone underground grouting and closure
CN105155541A (en) * 2015-08-21 2015-12-16 中铁城建集团第三工程有限公司 Double-slurry closing construction method for sump
CN105971637A (en) * 2015-03-12 2016-09-28 中铁隆工程集团有限公司 Application of WSS construction method in shield end reinforcement of water-rich sand layer
CN105971638A (en) * 2015-03-12 2016-09-28 中铁隆工程集团有限公司 Application of WSS construction method in shield tool changing reinforcement of water-rich sand layer
CN108118724A (en) * 2016-11-29 2018-06-05 中国二十冶集团有限公司 T-bolt anchor box leak blocking method
CN109555559A (en) * 2018-11-16 2019-04-02 北京中煤矿山工程有限公司 A kind of metal mine km grade interior shaft water control technique method
CN110514811A (en) * 2019-08-29 2019-11-29 山东科技大学 A kind of indoor simulation grouting and reinforcing experimental rig and method
CN110965567A (en) * 2019-12-06 2020-04-07 广东省重工建筑设计院有限公司 Foundation pit water burst treatment device
CN114351740A (en) * 2022-01-14 2022-04-15 成都华阳建筑股份有限公司 Plugging method for high-water-level basement pressure-bearing dewatering well

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103388338B (en) * 2013-07-24 2015-10-14 中铁十六局集团有限公司 A kind of method of novel quick sealing and soil improvement
CN103388338A (en) * 2013-07-24 2013-11-13 中铁十六局集团有限公司 Novel rapid water stopping and soil mass improving method
CN104612753A (en) * 2015-01-29 2015-05-13 湖南科技大学 Closing-blocking-draining combined water prevention and control method for Maokou limestone underground grouting and closure
CN104612753B (en) * 2015-01-29 2016-07-13 湖南科技大学 What maokou limestone underground grouting dammed closes the anti-method of harnessing the river that stifled lean phase combines
CN105971638A (en) * 2015-03-12 2016-09-28 中铁隆工程集团有限公司 Application of WSS construction method in shield tool changing reinforcement of water-rich sand layer
CN105971637A (en) * 2015-03-12 2016-09-28 中铁隆工程集团有限公司 Application of WSS construction method in shield end reinforcement of water-rich sand layer
CN105155541A (en) * 2015-08-21 2015-12-16 中铁城建集团第三工程有限公司 Double-slurry closing construction method for sump
CN105155541B (en) * 2015-08-21 2017-03-01 中铁城建集团第三工程有限公司 A kind of dual slurry closure construction method of catch pit
CN108118724A (en) * 2016-11-29 2018-06-05 中国二十冶集团有限公司 T-bolt anchor box leak blocking method
CN109555559A (en) * 2018-11-16 2019-04-02 北京中煤矿山工程有限公司 A kind of metal mine km grade interior shaft water control technique method
CN110514811A (en) * 2019-08-29 2019-11-29 山东科技大学 A kind of indoor simulation grouting and reinforcing experimental rig and method
CN110965567A (en) * 2019-12-06 2020-04-07 广东省重工建筑设计院有限公司 Foundation pit water burst treatment device
CN114351740A (en) * 2022-01-14 2022-04-15 成都华阳建筑股份有限公司 Plugging method for high-water-level basement pressure-bearing dewatering well

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