CN105421293A - Construction method of copper water-stop in seepage-proofing system of concrete face rockfill dam - Google Patents
Construction method of copper water-stop in seepage-proofing system of concrete face rockfill dam Download PDFInfo
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- CN105421293A CN105421293A CN201510991689.3A CN201510991689A CN105421293A CN 105421293 A CN105421293 A CN 105421293A CN 201510991689 A CN201510991689 A CN 201510991689A CN 105421293 A CN105421293 A CN 105421293A
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- copper waterstop
- copper
- waterstop
- concrete face
- cavity
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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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/02—Fixed barrages
- E02B7/04—Dams across valleys
- E02B7/06—Earth-fill dams; Rock-fill dams
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a construction method of a copper water-stop in a seepage-proofing system of a concrete face rockfill dam. The construction method comprises the following steps: step (1) hoisting a copper water-stop calendar on a bracket; step (2) integrally hoisting the copper water-stop calendar and the bracket at the position of a vertical seam of the top of the concrete face rockfill dam; step (3) hoisting a coiling block which is intertwined with a copper sheet raw material on a coiling block bracket of the bracket; step (4) performing continuous cold rolling on the copper water-stop; step (5) filing flexible fillers. The construction method can be used for preparing a long copper water-stop extending from the top of the concrete face rockfill dam to the bottom of the dam by cold rolling, so that the long copper water-stop needs not to be formed by welding a plurality of segments of copper water-stops; therefore, installation weld joints of the copper water-stop are reduced, and the quality of the copper water-stop is guaranteed.
Description
Technical field
The invention belongs to Concrete Face Rockfill Dam seepage prevention system technical field of construction, specifically relate to the construction method of copper waterstop in a kind of Concrete Face Rockfill Dam seepage prevention system.
Background technology
Concrete Face Rockfill Dam develops very fast in earth and rockfill dam, the traditional construction technique of one of rock seepage prevention system Copper water stop is, by special equipment (jack calender), and cold moudling about a 25m ~ 30m, then welding in place one by one, time-consuming expense material of taking a lot of work.Conventional Copper water stop construction technology has that speed of application is slow, cost is high and welding point is many, and quality control difficulty is large.How designing a kind of method that can complete the construction of copper waterstop in Concrete Face Rockfill Dam seepage prevention system fast and efficiently, is various equivalent modifications technical problem urgently to be resolved hurrily.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency of the prior art, the construction method of copper waterstop in a kind of Concrete Face Rockfill Dam seepage prevention system is provided.This construction method can be colded pressing to make and be extended to the long copper waterstop of at the bottom of dam one from Concrete Face Rockfill Dam dam crest, and then avoid and multistage copper waterstop is welded into a long copper waterstop, reduce the field joint of copper waterstop, guarantee the quality of copper waterstop.
For achieving the above object, the technical solution used in the present invention is: the construction method of copper waterstop in Concrete Face Rockfill Dam seepage prevention system, is characterized in that, comprise the following steps:
Step one, copper waterstop calender is lifted on bracket;
Step 2, by copper waterstop calender and bracket integral hoisting in the vertical lap seam position of Concrete Face Rockfill Dam dam crest;
Step 3, the reel being wound with copper sheet raw material is lifted on the roller stand of described bracket;
Step 4, to cold pressing copper waterstop continuously: open copper waterstop calender, copper sheet raw material on described reel is sent into copper waterstop calender, by described copper waterstop calender, copper sheet raw material continuous cold is pressed into copper waterstop, described copper waterstop comprises base plate, the both sides of described base plate all tilt formation side wing, upwards swell formation protrusion for the middle part of described base plate, and the inside of described protrusion has cavity;
Step 5, filling flexible filler: described copper waterstop constantly exports from copper waterstop calender, and flexible filler is loaded in the cavity of the copper waterstop exported, the copper waterstop of populated flexible filler keeps falling along the domatic of described Concrete Face Rockfill Dam, when sliding at the bottom of the domatic slope of described Concrete Face Rockfill Dam under described copper waterstop, stop colding pressing of described copper waterstop.
The construction method of copper waterstop in above-mentioned Concrete Face Rockfill Dam seepage prevention system, is characterized in that: described flexible filler comprises and is arranged on rubber strip in described copper waterstop cavity and foam strip, and described rubber strip is arranged on the inner side of described foam strip.
In above-mentioned Concrete Face Rockfill Dam seepage prevention system, the construction method of copper waterstop, is characterized in that: in step 5, when loading flexible filler in the cavity of the described copper waterstop exported, specifically comprises the following steps:
Step 501, filling rubber strip: rubber strip is guided in the cavity of described copper waterstop continuously by the guide wheel be arranged on bracket, described guide wheel is arranged on below the protrusion of described copper waterstop, described guide wheel contacts with the base plate of described copper waterstop, and described guide wheel rotates under the drive of described copper waterstop;
Step 502, filling foam strip: in the described cavity being filled with rubber strip, load foam strip, thus described cavity is filled up;
The cavity of step 503, closed copper waterstop: by the bottom surface of adhesive tape bonding at described copper waterstop base plate, thus the described cavity being filled with rubber strip and foam strip is closed.
The construction method of copper waterstop in above-mentioned Concrete Face Rockfill Dam seepage prevention system, it is characterized in that: when adopting adhesive tape to carry out closed to the cavity of copper waterstop in step 503, first one end of adhesive tape is bonded in described copper waterstop lower end, then hand-held tape roll unreel adhesive tape continuously along with the downslide of described copper waterstop, and then complete closing of whole copper waterstop cavity.
The construction method of copper waterstop in above-mentioned Concrete Face Rockfill Dam seepage prevention system, is characterized in that: described foam strip is made up of polyurethane foam.
The construction method of copper waterstop in above-mentioned Concrete Face Rockfill Dam seepage prevention system, it is characterized in that: described bracket comprises bracket main body, described bracket main body have the inclined-plane consistent with the Concrete Face Rockfill Dam dam facing gradient, described copper waterstop calender is fixedly mounted on described inclined-plane, the upper end of described bracket main body is provided with support cushion cap, and described roller stand is arranged on described support cushion cap.
The construction method of copper waterstop in above-mentioned Concrete Face Rockfill Dam seepage prevention system, is characterized in that: described copper waterstop calender adopts rolling type copper water stop band forming machine.
The present invention compared with prior art has the following advantages:
1, the present invention adopts copper waterstop calender that copper sheet raw material continuous cold is pressed into copper waterstop, thus can cold pressing to make and extend to the long copper waterstop of at the bottom of dam one from Concrete Face Rockfill Dam dam crest, and then avoid and multistage copper waterstop is welded into a long copper waterstop, reduce the field joint of copper waterstop, guarantee the quality of copper waterstop, due to the cold moudling of described copper waterstop, can be extruded rapidly, continuously, accelerating construction progress, reduce the duration.
2, rubber strip constantly guides in described cavity by arranging guide wheel by the present invention, and described guide wheel drives under the effect of copper waterstop downslide, avoid increase drive unit, and automatically can complete the filling of rubber strip, improve the filling efficiency of rubber strip.
3, copper waterstop calender of the present invention and bracket once lift, and flexibly, fast, and occupied ground is few.
4, of the present invention to realize cost low, and result of use is good, is convenient to promote the use of.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is method flow diagram of the present invention.
Fig. 2 is the position relationship schematic diagram that copper waterstop calender of the present invention is arranged on Concrete Face Rockfill Dam dam crest.
Fig. 3 is that the present invention adopts copper waterstop calender to cold pressing the structural representation of the copper waterstop made.
Fig. 4 is the A-A cutaway view Amplified image in Fig. 3.
Fig. 5 is that the present invention adopts guide wheel rubber strip to be guided to using state schematic diagram in copper waterstop cavity.
Description of reference numerals:
1-Concrete Face Rockfill Dam; 2-copper waterstop calender; 3-copper sheet raw material;
4-reel; 5-bracket; 5-1-roller stand;
5-2-bracket main body; 5-3-inclined-plane; 5-4-support cushion cap;
6-copper waterstop; 6-1-base plate; 6-2-side wing;
6-3-protrusion; 6-4-cavity; 7-rubber strip;
8-foam strip; 9-adhesive tape; 10-guide wheel.
Detailed description of the invention
The construction method of copper waterstop in a kind of Concrete Face Rockfill Dam seepage prevention system as shown in Figure 1 to 4, comprises the following steps:
Step one, copper waterstop calender 2 is lifted on bracket 5;
Step 2, by copper waterstop calender 2 and bracket 5 integral hoisting in the vertical lap seam position (as shown in Figure 2) of Concrete Face Rockfill Dam 1 dam crest;
Step 3, the reel 4 being wound with copper sheet raw material 3 is lifted on the roller stand 5-1 of described bracket 5;
Step 4, to cold pressing copper waterstop 6 continuously: open copper waterstop calender 2, copper sheet raw material 3 on described reel 4 is sent into copper waterstop calender 2, by described copper waterstop calender 2, copper sheet raw material 3 continuous cold is pressed into copper waterstop 6, described copper waterstop 6 comprises base plate 6-1, the both sides of described base plate 6-1 all tilt and form side wing 6-2, the middle part of described base plate 6-1 is upwards swelled and is formed protrusion 6-3, and the inside of described protrusion 6-3 has cavity 6-4 (as shown in Figure 3 and Figure 4);
Step 5, filling flexible filler: described copper waterstop 6 constantly exports from copper waterstop calender 2, and flexible filler is loaded in the cavity 6-4 of the copper waterstop 6 exported, the copper waterstop 6 of populated flexible filler keeps falling along described the domatic of Concrete Face Rockfill Dam 1, when described copper waterstop slides to for 6 times at the bottom of the domatic slope of described Concrete Face Rockfill Dam 1, stop colding pressing of described copper waterstop 6.
In the present embodiment, adopt copper waterstop calender 2 that copper sheet raw material 3 continuous cold is pressed into copper waterstop 6, thus can cold pressing to make and extend to the long copper waterstop 6 of at the bottom of dam one from Concrete Face Rockfill Dam 1 dam crest, and then avoid and multistage copper waterstop 6 is welded into a long copper waterstop 6, reduce the field joint of copper waterstop 6, guarantee the quality of copper waterstop 6, due to 6 cold moudling of described copper waterstop, can be extruded rapidly, continuously, accelerating construction progress, reduces the duration.In addition, by loading flexible filler in the cavity 6-4 (being commonly called as " nasal cavity ") of copper waterstop 6, described cavity 6-4 effectively can be filled, the protrusion 6-3 of copper waterstop 6 is avoided to produce distortion by after external force, again due to filling is flexible filler, when the protrusion 6-3 of copper waterstop 6 is by external force, described protrusion 6-3 can have certain distortion to adapt to external force.
In the present embodiment, described flexible filler comprises and is arranged on rubber strip 7 in described copper waterstop 6 cavity 6-4 and foam strip 8, and described rubber strip 7 is arranged on the inner side of described foam strip 8.By adopting rubber strip 7 and foam strip 8 to load described cavity 6-4, can effectively be filled up by described cavity 6-4, and described rubber strip 7 and foam strip 8 are drawn materials conveniently, low price, saves construction cost.
In the present embodiment, in step 5, when loading flexible filler in the cavity 6-4 of the described copper waterstop 6 exported, specifically comprise the following steps:
Step 501, filling rubber strip 7: as shown in Figure 5, by the guide wheel 10 be arranged on bracket 5, rubber strip 7 is guided in the cavity 6-4 of described copper waterstop 6 continuously, described guide wheel 10 is arranged on below the protrusion 6-3 of described copper waterstop 6, described guide wheel 10 contacts with the base plate 6-1 of described copper waterstop 6, and described guide wheel 10 rotates under the drive of described copper waterstop 6;
In the present embodiment, by arranging guide wheel 10, rubber strip 7 is constantly guided in described cavity 6-4, and described guide wheel 10 drives under the effect of copper waterstop 6 downslide, avoids increase drive unit, and automatically can complete the filling of rubber strip 7.
Step 502, filling foam strip 8: in the described cavity 6-4 being filled with rubber strip 7, load foam strip 8, thus described cavity 6-4 is filled up; Because described cavity 6-4 is comparatively dark, adopt separately rubber strip 7 foam strip 8 cannot be filled up, and then adopt foam strip 8 to match to be filled up by cavity 6-4 with described rubber strip 7.In the present embodiment, described foam strip 8 is filled out for people's frock.
The cavity 6-4 of step 503, closed copper waterstop 6: bottom surface adhesive tape 9 being bonded in described copper waterstop 6 base plate 6-1, thus the described cavity 6-4 being filled with rubber strip 7 and foam strip 8 is closed.By adopting adhesive tape 9 to be closed by described cavity 6-4, thus effectively rubber strip 7 and foam strip 8 can be positioned in described cavity 6-4, avoid rubber strip 7 and foam strip 8 to come off in described cavity 6-4.
In the present embodiment, when adopting the cavity 6-4 of adhesive tape 9 pairs of copper waterstops 6 to carry out closed in step 503, first one end of adhesive tape 9 is bonded in described copper waterstop 6 lower end, then hand-held tape roll unreel adhesive tape 9 continuously along with the downslide of described copper waterstop 6, and then complete closing of whole copper waterstop 6 cavity 6-4.Adopt and be bonded in by adhesive tape 9 in this way to realize closing described cavity 6-4 on copper waterstop 6, operate very easy, only a need people operates.
In the present embodiment, described foam strip 8 is made up of polyurethane foam.Adopt the foam strip 8 that polyurethane foam is made, low price, be convenient to make.
As shown in Figure 2, described bracket 5 comprises bracket main body 5-2, the rectangular triangle of described bracket main body 5-2, described bracket main body 5-2 have the inclined-plane 5-3 consistent with the Concrete Face Rockfill Dam 1 dam facing gradient, described copper waterstop calender 2 is fixedly mounted on described inclined-plane 5-3, the upper end of described bracket main body 5-2 is provided with support cushion cap 5-4, and described roller stand 5-1 is arranged on described support cushion cap 5-4.
In the present embodiment, the structure of described bracket 5 is simple, the effective support to copper waterstop calender 2 can be realized, and before copper waterstop 6 of colding pressing, described bracket main body 5-2 is adjusted, to make the inclined-plane 5-3 on bracket main body 5-2 consistent with the dam facing gradient of Concrete Face Rockfill Dam 1, thus guarantee that the angle of inclination of the copper waterstop calender 2 be arranged on described inclined-plane 5-3 is consistent with the dam facing gradient of described Concrete Face Rockfill Dam 1, the copper waterstop 6 can guaranteeing cold moudling is like this avoided produce arc.
In the present embodiment, described copper waterstop calender 2 adopts rolling type copper water stop band forming machine.
The above; it is only preferred embodiment of the present invention; not the present invention is imposed any restrictions, every above embodiment is done according to the technology of the present invention essence any simple modification, change and equivalent structure transformation, all still belong in the protection domain of technical solution of the present invention.
Claims (7)
1. the construction method of copper waterstop in Concrete Face Rockfill Dam seepage prevention system, is characterized in that, comprise the following steps:
Step one, copper waterstop calender (2) is lifted on bracket (5);
Step 2, by copper waterstop calender (2) and bracket (5) integral hoisting in the vertical lap seam position of Concrete Face Rockfill Dam (1) dam crest;
Step 3, the reel (4) being wound with copper sheet raw material (3) is lifted on the roller stand (5-1) of described bracket (5);
Step 4, to cold pressing continuously copper waterstop (6): open copper waterstop calender (2), copper sheet raw material (3) on described reel (4) is sent into copper waterstop calender (2), by described copper waterstop calender (2), copper sheet raw material (3) continuous cold is pressed into copper waterstop (6), described copper waterstop (6) comprises base plate (6-1), the both sides of described base plate (6-1) all tilt and form side wing (6-2), the middle part of described base plate (6-1) is upwards swelled and is formed protrusion (6-3), the inside of described protrusion (6-3) has cavity (6-4),
Step 5, filling flexible filler: described copper waterstop (6) constantly exports from copper waterstop calender (2), and flexible filler is loaded in the cavity (6-4) of the copper waterstop (6) exported, the copper waterstop (6) of populated flexible filler is along domatic the keeping falling of described Concrete Face Rockfill Dam (1), when sliding at the bottom of the domatic slope of described Concrete Face Rockfill Dam (1) under described copper waterstop (6), stop colding pressing of described copper waterstop (6).
2. the construction method of copper waterstop in Concrete Face Rockfill Dam seepage prevention system according to claim 1, it is characterized in that: described flexible filler comprises and is arranged on rubber strip (7) in described copper waterstop (6) cavity (6-4) and foam strip (8), and described rubber strip (7) is arranged on the inner side of described foam strip (8).
3. the construction method of copper waterstop in Concrete Face Rockfill Dam seepage prevention system according to claim 2, it is characterized in that: in step 5, when loading flexible filler in the cavity (6-4) of the described copper waterstop (6) exported, specifically comprise the following steps:
Step 501, filling rubber strip (7): rubber strip (7) is guided in the cavity (6-4) of described copper waterstop (6) continuously by the guide wheel (10) be arranged on bracket (5), described guide wheel (10) is arranged on protrusion (6-3) below of described copper waterstop (6), described guide wheel (10) contacts with the base plate (6-1) of described copper waterstop (6), and described guide wheel (10) rotates under the drive of described copper waterstop (6);
Step 502, filling foam strip (8): in the described cavity (6-4) being filled with rubber strip (7), load foam strip (8), thus described cavity (6-4) is filled up;
The cavity (6-4) of step 503, closed copper waterstop (6): bottom surface adhesive tape (9) being bonded in described copper waterstop (6) base plate (6-1), thus the described cavity (6-4) being filled with rubber strip (7) and foam strip (8) is closed.
4. the construction method of copper waterstop in Concrete Face Rockfill Dam seepage prevention system according to claim 3, it is characterized in that: when adopting the cavity (6-4) of adhesive tape (9) to copper waterstop (6) to carry out closed in step 503, first one end of adhesive tape (9) is bonded in described copper waterstop (6) lower end, then hand-held tape roll unreel adhesive tape (9) continuously along with the downslide of described copper waterstop (6), and then complete closing of whole copper waterstop (6) cavity (6-4).
5. the construction method of copper waterstop in Concrete Face Rockfill Dam seepage prevention system according to claim 1, is characterized in that: described foam strip (8) is made up of polyurethane foam.
6. the construction method of copper waterstop in Concrete Face Rockfill Dam seepage prevention system according to claim 1, it is characterized in that: described bracket (5) comprises bracket main body (5-2), described bracket main body (5-2) have the inclined-plane (5-3) consistent with Concrete Face Rockfill Dam (1) the dam facing gradient, described copper waterstop calender (2) is fixedly mounted on described inclined-plane (5-3), the upper end of described bracket main body (5-2) is provided with support cushion cap (5-4), described roller stand (5-1) is arranged on described support cushion cap (5-4).
7. the construction method of copper waterstop in Concrete Face Rockfill Dam seepage prevention system according to claim 1, is characterized in that: described copper waterstop calender (2) adopts rolling type copper water stop band forming machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510991689.3A CN105421293B (en) | 2015-12-26 | 2015-12-26 | The construction method of copper waterstop in CFRD seepage prevention system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510991689.3A CN105421293B (en) | 2015-12-26 | 2015-12-26 | The construction method of copper waterstop in CFRD seepage prevention system |
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| CN105421293A true CN105421293A (en) | 2016-03-23 |
| CN105421293B CN105421293B (en) | 2017-05-31 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106498906A (en) * | 2016-12-23 | 2017-03-15 | 国家电网公司 | The guard method of Face Rockfill Dam Copper water stop and device |
| CN108330916A (en) * | 2018-04-28 | 2018-07-27 | 中国水利水电第五工程局有限公司 | copper water stop automatic filling machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106498906A (en) * | 2016-12-23 | 2017-03-15 | 国家电网公司 | The guard method of Face Rockfill Dam Copper water stop and device |
| CN108330916A (en) * | 2018-04-28 | 2018-07-27 | 中国水利水电第五工程局有限公司 | copper water stop automatic filling machine |
| CN108330916B (en) * | 2018-04-28 | 2023-08-29 | 中国水利水电第五工程局有限公司 | Copper water stop automatic filling machine |
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| CN105421293B (en) | 2017-05-31 |
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