CN109881695A - The drilling cleaning method of cultural relic protection project rock mass impervious grouting - Google Patents
The drilling cleaning method of cultural relic protection project rock mass impervious grouting Download PDFInfo
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- CN109881695A CN109881695A CN201910035621.6A CN201910035621A CN109881695A CN 109881695 A CN109881695 A CN 109881695A CN 201910035621 A CN201910035621 A CN 201910035621A CN 109881695 A CN109881695 A CN 109881695A
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Abstract
The invention discloses a kind of drilling cleaning methods of cultural relic protection project rock mass impervious grouting; it gives and improves on the basis of traditional drilling cleaning; by the accurate positioning in crack, accurate cleaning is carried out to single microfissure to meet its concrete castability, improves consolidating strength.Simultaneously; in view of constructing in historic reservation, a large amount of water for cleaning may have an adverse effect to historical relic ontology, and be likely to affect grout coordinate ratio; therefore this method to cleaning water controlled, and take cleaning after draw water measure and secondary compressed air cleaning.
Description
Technical field
The present invention relates to cultural relic protection projects, are that a kind of drilling of cultural relic protection project rock mass impervious grouting is clear specifically
Washing method.
Background technique
Grout curtain is a kind of common rock mass seepage control technique, be widely used in large hydraulic engineering, large-scale mineral engineering,
Large-scale industrial and civil architecture.Drilling cleaning is a procedure of grout curtain, and traditional drilling cleaning method is mainly paid attention to rock mass and split
The clean level of gap cleaning, does not control Water usage, is not also operated for the specific crack in drilling.Traditional brill
Hole cleaning method can play good effect for conventional Curtain Grouting, can greatly improve the concrete castability in crack.But
It is conventional method, only payes attention to the clean level of crack cleaning, cleaning way compares extensive style.It is not directed to specific crack and carries out
It operates, in cleaning process, cleaning water consumption is not controlled.
Summary of the invention
The technical problem to be solved by the invention is to provide a kind of drilling of cultural relic protection project rock mass impervious grouting cleanings
Method changes the cleaning model of traditional extensive style, under the premise of guaranteeing microfissure cleaning effect, reduces water for cleaning as far as possible
Amount, to reduce water for cleaning to the adverse effect of historical relic ontology and to the influence for cooperating when grouting effect of being in the milk.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is that: a kind of cultural relic protection project rock mass antiseepage
The drilling cleaning method of grouting, comprising the following steps:
(1) after the completion of drilling, drilling machine is moved, keeps the static 30~60min of water in drilling；
(2) dowm-hole TV equipment is set up in hell, first carries out the interior photograph taking that drills, then record a video in hole, if
It was found that achievement is unclear, shot again；
(3) field assay dowm-hole TV achievement determines the boundary depth of rock and coating, determines each microfissure
Depth, and observe and measure its width, filler, be inclined to, move towards information；
(4) data obtained according to step (3) accurately carries out card plug to each crack respectively；Method is washed with water,
Time control washes pressure is not more than grouting pressure 80% in 5~10min；
(5) water in drilling is repeatedly drained with micro pump, guarantees that drilling is interior clean anhydrous, the water of bottom hole is using pressure
The discharge of contracting air；
(6) card plug is carried out to each crack again, using air cleaning method, time control is in 5~20min, observation
Thus it is clear that the water outlet of crack dew point, steam mixing, air exposure situation, if unclean, air cleaning repeatedly, until crack is dry
Only, without water.
The limpid liquid of water quality is put into the step (1), to promote dowm-hole TV image-capturing resolution.
In the step (4), if Fracture Width is greater than 1cm and filling proportion is less than 50%, washing pressure to pressure of being in the milk
50% or less power.
The mode rinsed in the step (6) using compressed air pulsation, carries out microfissure to repeatedly extrude cleaning.
The beneficial effects of the present invention are: the drilling cleaning method of this fining, that is, can reach the cleaning effect of microfissure, again
Reduce cleaning water consumption, reduces the influence to historical relic ontology.
Specific embodiment
Invention is further described in detail With reference to embodiment:
A kind of drilling cleaning method of cultural relic protection project rock mass impervious grouting of the present invention, comprising the following steps:
(1) after the completion of drilling, drilling machine is moved, keeps the static 30~60min of water in drilling；
(2) dowm-hole TV equipment is set up in hell, first carries out the interior photograph taking that drills, then record a video in hole, if
It was found that achievement is unclear, shot again；
(3) field assay dowm-hole TV achievement determines the boundary depth of rock and coating, determines each microfissure
Depth, and observe and measure its width, filler, be inclined to, move towards information；
(4) data obtained according to step (3) accurately carries out card plug to each crack respectively；Method is washed with water,
Time control washes pressure is not more than grouting pressure 80% in 5~10min；
(5) water in drilling is repeatedly drained with micro pump, guarantees that drilling is interior clean anhydrous, the water of bottom hole is using pressure
The discharge of contracting air；
(6) card plug is carried out to each crack again, using air cleaning method, time control is in 5~20min, observation
Thus it is clear that the water outlet of crack dew point, steam mixing, air exposure situation, if unclean, air cleaning repeatedly, until crack is dry
Only, without water.
The limpid liquid of water quality is put into the step (1), to promote dowm-hole TV image-capturing resolution.
In the step (4), if Fracture Width is greater than 1cm and filling proportion is less than 50%, washing pressure to pressure of being in the milk
50% or less power.
The mode rinsed in the step (6) using compressed air pulsation, carries out microfissure to repeatedly extrude cleaning.
For example, the Chongqing mountain Dazu Rock Carvings Bao Ding giant Buddha gulf water hazard prediction engineering (phase), drilled grout hole is along reclining Buddha upstream at U
Shape arrangement, divides upstream, downstream, three row of middle reaches, and wherein upstream and downstream grout hole is superfine cement grout hole, and interstitial hole is acrylic acid
Salt chemistry grout hole.Array pitch 0.5m, pitch-row 1m, are arranged at plum blossom.Designing grout hole hole depth is 15m, grouting pressure 0.3MPa
~1.2MPa.Before all grout hole grouting, drilling cleaning is required.
Method is washed with water, the time controls in 5min~10min；Pressure is not more than grouting pressure 80% is washed, if
Fracture Width is greater than 1cm and filling proportion less than 50%, can suitably reduce washing pressure to the 50% of grouting pressure；
Using air cleaning method, time control is in 5min~20min, the mode rinsed using compressed air pulsation.
The present invention is using the actual demand of cultural relic protection project as target, it is intended to by fining, according to analysis, when in drilling
There are when a plurality of microfissure, conventional cleaning method can not accurately position microfissure, and observe its width, fill out
The information such as object, tendency, trend are filled, targetedly single microfissure effectively cannot be cleaned.In traditional cleaning method
In, think little of the control of Clean- water, thinks little of the control of water in crack.Grouting material may be not only diluted, especially
It is water-soluble chemical slurries, influences its proportion, influences its solidification and anti-seepage effect, and a large amount of water for cleaning, it is possible to meeting
Change the water environment of historic reservation, it is possible to have an adverse effect to historical relic ontology.
The present invention is cleaned for the drilling of cultural relic protection project, takes the drilling cleaning way of fining.It uses first
Borehole television is accurately positioned and is described one by one to the microfissure in drilling, then according to the feature of microfissure, to microfissure
Accurate card plug is carried out one by one, using less water for cleaning and shorter scavenging period, then using micro pump discharge drilling
Interior water finally carries out secondary cleaning to drilling with compressed air.The present invention is for carrying out cultural relic protection project rock mass antiseepage
When grouting, fining drilling cleaning is carried out to microfissure existing in drilling.Especially suitable for taking in historical relic's protection seepage control project
It obtains more structurally sound watertight grouting effect and avoids a large amount of water for cleaning to the issuable adverse effect of historical relic ontology.
Embodiment described above is merely to illustrate technical idea and feature of the invention, in the art its object is to make
Technical staff it will be appreciated that the contents of the present invention and implement accordingly, patent model of the invention only cannot be limited with the present embodiment
It encloses, i.e., same changes or modifications made by all disclosed spirit are still fallen in the scope of the patents of the invention.
Claims (4)
1. a kind of drilling cleaning method of cultural relic protection project rock mass impervious grouting, which comprises the following steps:
(1) after the completion of drilling, drilling machine is moved, keeps the static 30~60min of water in drilling；
(2) dowm-hole TV equipment is set up in hell, first carries out the interior photograph taking that drills, then record a video in hole, if it find that
Achievement is unclear, is shot again；
(3) field assay dowm-hole TV achievement determines the boundary depth of rock and coating, determines the depth of each microfissure
Degree, and observe and measure its width, filler, be inclined to, move towards information；
(4) data obtained according to step (3) accurately carries out card plug to each crack respectively；Wash with water method, time
Control washes pressure is not more than grouting pressure 80% in 5~10min；
(5) water in drilling is repeatedly drained with micro pump, guarantees that drilling is interior clean anhydrous, the water of bottom hole is empty using compression
Gas discharge；
(6) card plug is carried out to each crack again, using air cleaning method, time control is observed visible in 5~20min
The water outlet of crack dew point, steam mixing, air exposure situation, if unclean, air cleaning repeatedly, until crack it is clean,
Without water.
2. the drilling cleaning method of cultural relic protection project rock mass impervious grouting according to claim 1, which is characterized in that described
The limpid liquid of water quality is put into step (1), to promote dowm-hole TV image-capturing resolution.
3. the drilling cleaning method of cultural relic protection project rock mass impervious grouting according to claim 1, which is characterized in that described
In step (4), if Fracture Width is greater than 1cm and filling proportion is less than 50%, washing pressure to the 50% or less of grouting pressure.
4. the drilling cleaning method of cultural relic protection project rock mass impervious grouting according to claim 1, which is characterized in that described
The mode rinsed in step (6) using compressed air pulsation, carries out microfissure to repeatedly extrude cleaning.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910035621.6A CN109881695A (en) | 2019-01-15 | 2019-01-15 | The drilling cleaning method of cultural relic protection project rock mass impervious grouting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910035621.6A CN109881695A (en) | 2019-01-15 | 2019-01-15 | The drilling cleaning method of cultural relic protection project rock mass impervious grouting |
Publications (1)
| Publication Number | Publication Date |
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| CN109881695A true CN109881695A (en) | 2019-06-14 |
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ID=66926012
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Citations (6)
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|---|---|---|---|---|
| CN101251030A (en) * | 2008-04-10 | 2008-08-27 | 中国矿业大学 | Secondary hole sealing method capable of improving coal bed drilling firedamp sucking concentration |
| CN102505701A (en) * | 2011-09-28 | 2012-06-20 | 中国水利水电第七工程局成都水电建设工程有限公司 | Self-compaction mortar and deep hole curtain pouring construction method |
| CN103410119A (en) * | 2013-06-24 | 2013-11-27 | 中国葛洲坝集团国际工程有限公司 | Method for water interception curtain grouting in leakage concrete |
| US20150007983A1 (en) * | 2013-07-04 | 2015-01-08 | Schlumberger Technology Corporation | Downhole Imaging Systems and Methods |
| CN104675135A (en) * | 2013-11-29 | 2015-06-03 | 卜海军 | Repairing method of carved stone cave eaves of stone cave temple |
| CN107642082A (en) * | 2017-09-29 | 2018-01-30 | 冷祥翠 | The operating method being quickly in the milk to curtain |
-
2019
- 2019-01-15 CN CN201910035621.6A patent/CN109881695A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101251030A (en) * | 2008-04-10 | 2008-08-27 | 中国矿业大学 | Secondary hole sealing method capable of improving coal bed drilling firedamp sucking concentration |
| CN102505701A (en) * | 2011-09-28 | 2012-06-20 | 中国水利水电第七工程局成都水电建设工程有限公司 | Self-compaction mortar and deep hole curtain pouring construction method |
| CN103410119A (en) * | 2013-06-24 | 2013-11-27 | 中国葛洲坝集团国际工程有限公司 | Method for water interception curtain grouting in leakage concrete |
| US20150007983A1 (en) * | 2013-07-04 | 2015-01-08 | Schlumberger Technology Corporation | Downhole Imaging Systems and Methods |
| CN104675135A (en) * | 2013-11-29 | 2015-06-03 | 卜海军 | Repairing method of carved stone cave eaves of stone cave temple |
| CN107642082A (en) * | 2017-09-29 | 2018-01-30 | 冷祥翠 | The operating method being quickly in the milk to curtain |
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Application publication date: 20190614 |