CN104746479A - Diversion tunnel concrete water seepage leaking stoppage construction method - Google Patents
Diversion tunnel concrete water seepage leaking stoppage construction method Download PDFInfo
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- CN104746479A CN104746479A CN201510055297.6A CN201510055297A CN104746479A CN 104746479 A CN104746479 A CN 104746479A CN 201510055297 A CN201510055297 A CN 201510055297A CN 104746479 A CN104746479 A CN 104746479A
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- Prior art keywords
- rapid hardening
- leak
- concrete water
- construction method
- permeating
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/16—Sealings or joints
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/14—Polyepoxides
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B9/00—Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
- E02B9/02—Water-ways
- E02B9/06—Pressure galleries or pressure conduits; Galleries specially adapted to house pressure conduits; Means specially adapted for use therewith, e.g. housings, valves, gates
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a diversion tunnel concrete water seepage leaking stoppage construction method, and aims at providing the diversion tunnel concrete water seepage leaking stoppage construction method which is good in leaking stoppage effect. The method includes the steps of firstly, digging a trapezoid groove, wherein the trapezoid groove is dug along a water seepage seam on the concrete water seepage part, the two ends of the trapezoid groove go beyond the two ends of the water seepage seam, and cleaning the trapezoid groove after digging is completed; secondly, embedding an expansion water stop strip, wherein the expansion water stop strip is embedded in the bottom of the trapezoid groove and is compacted; thirdly, conducting rapid hardening leaking stoppage agent packing, wherein rapid hardening leaking stoppage agent powder and water are kneaded into balls, the ball-shaped rapid hardening leaking stoppage agents are rapidly put into the trapezoid groove to form a rapid hardening leaking stoppage agent layer covering the expansion water stop strip, and then the rapid hardening leaking stoppage agent layer is squeezed, compacted and maintained; fourthly, smearing epoxy mortar, wherein four to five layers of epoxy mortar are smeared and maintenance is conducted after the surface of the rapid hardening leaking stoppage agent layer is dried. The construction operation is convenient, concrete water seepage can be rapidly blocked, the construction efficiency is high, and cost is low.
Description
Technical field
The present invention relates to water conservancy and hydropower construction engineering technical field, especially relate to a kind of diversion tunnel concrete water-permeating leak-blocking construction method.
Background technology
At present, in the diversion tunnel construction of concrete lining process of power station, because of concrete vibrating leakiness or treatment of construction joints improper, cause diversion tunnel concrete lining finish building rear appearance infiltration phenomenon.Occur that diversion tunnel concrete water-permeating routine has been adopted chemical grouting or used cementation leak stopping, adopt chemical grouting construction cost high; Adopt cementation poor effect.
Summary of the invention
Instant invention overcomes shortcoming of the prior art, provide the diversion tunnel concrete water-permeating leak-blocking construction method that a kind of construction cost is low, constructing operation convenient, plugging effect is good.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions:
A kind of diversion tunnel concrete water-permeating leak-blocking construction method, it comprises the following steps:
(1) dig dovetail groove: dig dovetail groove at concrete water-permeating position along infiltration crack, the two ends of dovetail groove exceed the two ends in infiltration crack, are cleaned out by dovetail groove after having dug;
(2) embedding expansion sealing strip: embed expansion sealing strip and compacting bottom dovetail groove;
(3) clog rapid hardening sealing agent: by rapid hardening sealing agent powder and water kneading agglomerating, then the rapid hardening sealing agent of bulk is packed to rapidly in dovetail groove, forms the rapid hardening leak stopping oxidant layer covering expansion sealing strip, afterwards extruding compacting rapid hardening leak stopping oxidant layer carry out maintenance;
(4) epoxy mortar is smeared: after rapid hardening leak stopping oxidant layer dry tack free, smear 4 ~ 5 layers of epoxy mortar and maintenance.
Preferably, the wide 15cm of oral area of described dovetail groove, the wide 5cm in bottom, dark 16cm.
Preferably, described dovetail groove two ends exceed each 10cm in two ends in infiltration crack.
Preferably, the thick 4 ~ 5cm of described expansion sealing strip.
Preferably, the thickness of described epoxy mortar every layer is not more than 1.5 ㎝.
Preferably, described rapid hardening sealing agent powder and water agglomerating in the ratio kneading of 1:0.2.
Preferably, the thickness of described rapid hardening leak stopping oxidant layer is 5 ~ 6cm.
Preferably, described epoxy mortar is mixed by the weight ratio of 100:245:16:8 by epoxy resin, dry sand, dibutylester, ethylenediamine.
Preferably, the curing time of described rapid hardening leak stopping oxidant layer is two days.
Preferably, the time of described epoxy mortar maintenance is 3 ~ 7 days.
Compared with prior art, tool of the present invention has the following advantages:
Constructing operation of the present invention is convenient, can block concrete water-permeating fast, can meet design and operational requirement after seepage part process.Improve efficiency of construction, reduce construction cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of diversion tunnel concrete water-permeating leak stopping.
In figure: 1-concrete, 2-expansion sealing strip, 3-rapid hardening leak stopping oxidant layer, 4-epoxy mortar.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not paying the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment
A kind of diversion tunnel concrete water-permeating leak-blocking construction method, its structure as shown in Figure 1, comprises the following steps:
(1) dovetail groove is dug: dig dovetail groove at concrete 1 seepage part along infiltration crack, the two ends of dovetail groove exceed the two ends in infiltration crack, the length exceeded is advisable with 10 ㎝, after cutting completes, dovetail groove is cleaned out, the wide 15cm of oral area of described dovetail groove, bottom wide 5cm, dark 16cm, the concrete that available high-pressure blast is cleaned out in groove loosens particle;
(2) embedding expansion sealing strip: embed expansion sealing strip 2 and compacting bottom dovetail groove, the thick 4 ~ 5cm of described expansion sealing strip 2, the instruments such as available wooden stick carry out tamping compression;
(3) clog rapid hardening sealing agent: by rapid hardening sealing agent powder and water agglomerating in the ratio kneading of 1:0.2, then the rapid hardening sealing agent of bulk is packed to rapidly in dovetail groove, form the rapid hardening leak stopping oxidant layer 3 covering expansion sealing strip 2, the rapid hardening of extruding compacting afterwards leak stopping oxidant layer 3 also carries out maintenance, the thickness of described rapid hardening leak stopping oxidant layer 3 is advisable with 5 ~ 6cm, available hammer, wooden stick carry out extruding compacting, and curing time is about two days;
(4) epoxy mortar is smeared: after rapid hardening leak stopping oxidant layer 3 dry tack free, smear 4 ~ 5 layers of epoxy mortar 4 and maintenance, described epoxy mortar 4 is mixed by the weight ratio of 100:245:16:8 by epoxy resin, dry sand, dibutylester, ethylenediamine, described epoxy mortar 4 thickness of every layer is not more than 1.5 ㎝, and the time of maintenance is 3 ~ 7 days.
Constructing operation of the present invention is convenient, can block concrete water-permeating fast, can meet design and operational requirement after seepage part process.Improve efficiency of construction, reduce construction cost.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a diversion tunnel concrete water-permeating leak-blocking construction method, is characterized in that comprising the following steps:
(1) dig dovetail groove: dig dovetail groove at concrete water-permeating position along infiltration crack, the two ends of dovetail groove exceed the two ends in infiltration crack, are cleaned out by dovetail groove after having dug;
(2) embedding expansion sealing strip: embed expansion sealing strip and compacting bottom dovetail groove;
(3) clog rapid hardening sealing agent: by rapid hardening sealing agent powder and water kneading agglomerating, then the rapid hardening sealing agent of bulk is packed to rapidly in dovetail groove, forms the rapid hardening leak stopping oxidant layer covering expansion sealing strip, afterwards extruding compacting rapid hardening leak stopping oxidant layer carry out maintenance;
(4) epoxy mortar is smeared: after rapid hardening leak stopping oxidant layer dry tack free, smear 4 ~ 5 layers of epoxy mortar and maintenance.
2. diversion tunnel concrete water-permeating leak-blocking construction method according to claim 1, is characterized in that: the wide 15cm of oral area of described dovetail groove, the wide 5cm in bottom, dark 16cm.
3. diversion tunnel concrete water-permeating leak-blocking construction method according to claim 1, is characterized in that: described dovetail groove two ends exceed each 10cm in two ends in infiltration crack.
4. diversion tunnel concrete water-permeating leak-blocking construction method according to claim 1, is characterized in that: the thick 4 ~ 5cm of described expansion sealing strip.
5. diversion tunnel concrete water-permeating leak-blocking construction method according to claim 1, is characterized in that: the thickness of described epoxy mortar every layer is not more than 1.5 ㎝.
6. diversion tunnel concrete water-permeating leak-blocking construction method according to claim 1, is characterized in that: described rapid hardening sealing agent powder and water agglomerating in the ratio kneading of 1:0.2.
7. diversion tunnel concrete water-permeating leak-blocking construction method according to claim 1, is characterized in that: the thickness of described rapid hardening leak stopping oxidant layer is 5 ~ 6cm.
8. diversion tunnel concrete water-permeating leak-blocking construction method according to claim 1, is characterized in that: described epoxy mortar is mixed by the weight ratio of 100:245:16:8 by epoxy resin, dry sand, dibutylester, ethylenediamine.
9., according to the arbitrary described diversion tunnel concrete water-permeating leak-blocking construction method of claim 1-8, it is characterized in that: the curing time of described rapid hardening leak stopping oxidant layer is two days.
10. diversion tunnel concrete water-permeating leak-blocking construction method according to claim 9, is characterized in that: the time of described epoxy mortar maintenance is 3 ~ 7 days.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510055297.6A CN104746479A (en) | 2015-02-03 | 2015-02-03 | Diversion tunnel concrete water seepage leaking stoppage construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510055297.6A CN104746479A (en) | 2015-02-03 | 2015-02-03 | Diversion tunnel concrete water seepage leaking stoppage construction method |
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| CN104746479A true CN104746479A (en) | 2015-07-01 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105442495A (en) * | 2015-11-19 | 2016-03-30 | 浙江桐砚建筑规划设计有限公司 | Construction method for applying sprayed concrete tunnel linings (SCL) anti-seepage membrane to seepage prevention of dike |
| CN107326868A (en) * | 2017-07-17 | 2017-11-07 | 江苏艺博防水防腐工程有限公司 | A kind of large reservoir concrete dam body fracture plugging method |
| CN108049651A (en) * | 2017-12-22 | 2018-05-18 | 武汉固立达建筑科技有限公司 | A kind of distress in concrete blocking method |
| CN108222976A (en) * | 2017-12-28 | 2018-06-29 | 中铁六局集团天津铁路建设有限公司 | Diversion tunnel pole weak surrounding rock section constructing method |
| CN110607921A (en) * | 2019-09-23 | 2019-12-24 | 周伟 | Automatic repairing leakage stoppage treatment method and waterproof leakage stoppage structure |
| CN111608408A (en) * | 2019-02-23 | 2020-09-01 | 西北民族大学 | Repairing system for concrete cracks |
| CN113482248A (en) * | 2021-06-28 | 2021-10-08 | 五冶集团上海有限公司 | Anti-leakage method for ridge root of inclined roof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105442495A (en) * | 2015-11-19 | 2016-03-30 | 浙江桐砚建筑规划设计有限公司 | Construction method for applying sprayed concrete tunnel linings (SCL) anti-seepage membrane to seepage prevention of dike |
| CN107326868A (en) * | 2017-07-17 | 2017-11-07 | 江苏艺博防水防腐工程有限公司 | A kind of large reservoir concrete dam body fracture plugging method |
| CN108049651A (en) * | 2017-12-22 | 2018-05-18 | 武汉固立达建筑科技有限公司 | A kind of distress in concrete blocking method |
| CN108222976A (en) * | 2017-12-28 | 2018-06-29 | 中铁六局集团天津铁路建设有限公司 | Diversion tunnel pole weak surrounding rock section constructing method |
| CN111608408A (en) * | 2019-02-23 | 2020-09-01 | 西北民族大学 | Repairing system for concrete cracks |
| CN111608408B (en) * | 2019-02-23 | 2022-03-22 | 西北民族大学 | Repairing system for concrete cracks |
| CN110607921A (en) * | 2019-09-23 | 2019-12-24 | 周伟 | Automatic repairing leakage stoppage treatment method and waterproof leakage stoppage structure |
| CN113482248A (en) * | 2021-06-28 | 2021-10-08 | 五冶集团上海有限公司 | Anti-leakage method for ridge root of inclined roof |
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Application publication date: 20150701 |
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