CN103590369A - Waterproof structure of concrete face rockfill dam joint and construction process - Google Patents
Waterproof structure of concrete face rockfill dam joint and construction process Download PDFInfo
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- CN103590369A CN103590369A CN201310634818.4A CN201310634818A CN103590369A CN 103590369 A CN103590369 A CN 103590369A CN 201310634818 A CN201310634818 A CN 201310634818A CN 103590369 A CN103590369 A CN 103590369A
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- waterproof structure
- seam
- supporting plate
- shaped supporting
- rockfill dam
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- 238000010276 construction Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title abstract description 13
- 230000001681 protective effect Effects 0.000 claims abstract description 10
- 239000000853 adhesive Substances 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 230000001070 adhesive effect Effects 0.000 claims description 12
- 238000000926 separation method Methods 0.000 claims description 11
- 238000005516 engineering process Methods 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 230000001012 protector Effects 0.000 claims description 6
- 230000010412 perfusion Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 17
- 239000000463 material Substances 0.000 abstract description 8
- 238000011144 upstream manufacturing Methods 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract 4
- PTVDYARBVCBHSL-UHFFFAOYSA-N copper;hydrate Chemical compound O.[Cu] PTVDYARBVCBHSL-UHFFFAOYSA-N 0.000 abstract 2
- 239000003292 glue Substances 0.000 abstract 1
- 239000003566 sealing material Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 15
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000000945 filler Substances 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- -1 polyethylene Polymers 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 229920006332 epoxy adhesive Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011798 excavation material Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
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Abstract
The invention discloses a waterproof structure of a concrete face rockfill dam joint and a construction process. The waterproof structure comprises F-type copper water stops located at the lower portion of a rockfill dam joint, a U-type layer board is fixedly arranged at the upper portion of the rockfill dam joint, and a protective device is arranged on the periphery of the U-type layer board. The process part of the copper water stops and joint sealing materials in an original process is reserved in the waterproof structure, traditional sealed water prevention is changed into seamless water prevention through the process that the U-type layer board is installed, the two sides are slotted and are filled with glue to bond two layers of waterproof coiled materials and a surface protection baffle is installed for the upstream face, the waterproof structure of the concrete face rockfill dam joint is optimized, and the reliability and durability for the water prevention of the joint are improved. The construction process comprises the steps of arrangement of the U-type layer board, slotting in a concrete body and the like. The original complex construction process is simplified, material cost and manpower cost are saved, and the reliability of water prevention of the joint is improved greatly.
Description
Technical field
The present invention relates to buildings waterproof field, specifically, relate to a kind of Concrete Face Rockfill Dam seam waterproof structure and construction technology.
Background technology
Concrete Face Rockfill Dam has now become universally acknowledged a kind of both economical applicable dam type.It can adapt to various topographic and geologic conditions, easy construction, and filling material can be gathered materials on the spot, and all kinds of rock excavation material can be used by subregion, and construction machinery is more single, and construction interference is few, and progress is fast.In China, although the employing of this dam type is started late, development speed is very fast, and the sealing of dam, especially the sealing of slab joint is one of key issue in engineering, concerning safety, application life and the economical operation of dam.
The conventional water-proof scheme of Concrete Face Rockfill Dam adopts three road measures of preventing water conventionally: as shown in Figure 1, top layer plasticity caulking material 20 is topmost set, and adopt 21 pairs of plasticity caulking materials 20 of GB composite cover to seal, the outermost layer sandy loam self-healing filler 12 of attaching most importance to; Second measures of preventing water is that angle steel 17 and bolt 18 pre-buried in panel 11, toe board 10 is fixed on sealing position by rubber fastening band 19, rely on the pressure compacting rubber fastening band 19 of bolt 18, angle steel 17, rubber fastening band 19 both wings are pressed on the pre-buried angle steel 17 of panel 11, seepage blocks water, and rubber bar 16, support rubber waterstop 19 be set; San road measures of preventing water adopts metallic water stop band 14, and metallic water stop band 14 both wings are embedded in the bottom of panel 11 and toe board 10, and in filleting, pour into pointing 15, in the outside of metallic water stop band 14, are provided with filler 13, and the outside of filler 13 is provided with GB composite cover 21.This water proof structure is called GB Novel water-stop structural shape, has obtained national inventing patent (ZL99127395.8) and China Power science and technology third prize.
But there is following shortcoming in this seam waterproof structure: (1) pre-buried angle steel 17 and concrete are not bonding, have seepage gap between the two; (2) between bolt 18 and concrete, there is gap; (3) rubber fastening band 19 is under long-term compression, stress relaxation, and elasticity reduces, and resilience reduces; (4) pressure that rubber fastening band 19 is subject to is inhomogeneous, and the place of close bolt 18 is under pressure greatly, and the place far away apart from bolt 18 is under pressure little; (5) when rubber fastening band 19 needs docking, T-shaped, cross overlap joint, limited by on-the-spot execution conditions, joint quality of connection is affected.Therefore the reliability of this water proof structure is not high, is prone to infiltration, seepy question.
Summary of the invention
The technical problem to be solved in the present invention is to overcome above-mentioned defect, provides that a kind of reliability is high, the Concrete Face Rockfill Dam seam waterproof of good water-proof effect structure and construction technology.
For addressing the above problem, the technical solution adopted in the present invention is:
A kind of Concrete Face Rockfill Dam seam waterproof structure, comprises the F type copper waterstop that is positioned at masonry dam seam bottom, it is characterized in that: described masonry dam seam top is fixed with U-shaped supporting plate the outer protector that is arranged with of described U-shaped supporting plate.
As a kind of improvement:
Described protector comprises water-tight device and protective device.
Between described water-tight device and protective device, be fixed with separation layer.
As further improvement:
Described water-tight device comprises two-layer waterproof roll.
The two ends of described waterproof roll are fixedly connected with concrete body.
The upper surface of described concrete body is provided with groove, and the two ends of described waterproof roll are positioned at groove, perfusion adhesive in groove.
As further improvement:
Described protective device is the metal protection cover plate that is fixedly installed on U-shaped supporting plate periphery.
Described metal protection cover plate is fixed on concrete body by expansion bolt.
As further improving:
Between described F type copper waterstop and U-shaped supporting plate, be provided with pointing.
Water proof structure of the present invention retains in former technique; copper waterstop and pointing process portion; and upstream face is protected to baffle plate technique by U-shaped supporting plate-both sides bonding two-layer waterproof roll-installation surface layer of fluting encapsulating is installed; traditional " seamed waterproof " changed into " seamless waterproof "; optimize the water proof structure of Concrete Face Rockfill Dam seam, improve seam waterproof reliability and durability.
A construction technology for Concrete Face Rockfill Dam seam waterproof structure, is characterized in that, described processing step is:
A, the U-shaped supporting plate that thickness is 2 ㎜ is set in the bottom of seam, and fixes with expansion bolt;
B, on the top of concrete body, open and cut open groove, and pour into adhesive;
C, 1.5 ㎜ waterproof rolls are set in the periphery of U-shaped supporting plate, groove is put into in the end of waterproof roll;
D, in the periphery of waterproof roll, separation layer is set, and is fixed on concrete body with expansion bolt;
E, in the periphery of separation layer, metal protection cover plate is set, and the logical bolt that expanded is fixed on metal protection cover plate on concrete body.
Owing to having adopted technique scheme, the present invention has simplified original loaded down with trivial details construction technology, save material cost and cost of labor, greatly improved the reliability of seam waterproof, compare with conventional method, simplified structure, easy construction, has reduced cost, and inspection and method for maintaining are simple, having good practicality, is innovative technology.
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
accompanying drawing explanation
Fig. 1 is the structural representation of Concrete Face Rockfill Dam seam waterproof structure in prior art;
Fig. 2 is the structural representation of a kind of Concrete Face Rockfill Dam seam waterproof structure of the present invention.
In figure: 1-concrete body; 2-F type copper waterstop; 3-pointing; 4-U type supporting plate; 5-waterproof roll; 6-separation layer; 7-metal protection cover plate; 8-adhesive; 9-expansion bolt; 10-toe board; 11-panel; 12-heavy sand loam self-healing filler; 13-filler; 14-metallic water stop band; 15-pointing; 16-rubber bar; 17-angle steel; 18-bolt; 19-rubber fastening band; 20-plasticity caulking material; 21-GB composite cover.
The specific embodiment
Embodiment: as shown in Figure 2, a kind of Concrete Face Rockfill Dam seam waterproof structure, comprises the F type copper waterstop 2 that is positioned at masonry dam seam bottom, and described masonry dam seam top is fixed with U-shaped supporting plate 4, the outer protector that is arranged with of described U-shaped supporting plate 4.Described U-shaped supporting plate 4 is made for stainless steel, and stainless U-shaped supporting plate 4 is set in seam, supports the waterproof roll of sealing.
Described protector comprises water-tight device and protective device.Between described water-tight device and protective device, be fixed with separation layer 6.
Described water-tight device comprises two-layer waterproof roll 5.
The two ends of described waterproof roll 5 are fixedly connected with concrete body 1.The upper surface of described concrete body 1 is provided with groove, and the two ends of described waterproof roll 5 are positioned at groove, perfusion adhesive 8 in groove.
At the fluting of seam both sides concrete structure body, pour into adhesive 8, adhesive adopts 100% admittedly containing product, prevents in solidification process, and adhesive shrinks to gap and leaks.
Described protective device is the metal protection cover plate 7 that is fixedly installed on U-shaped supporting plate 4 peripheries.Described metal protection cover plate 7 is fixed on concrete body 1 by expansion bolt 9.Between described F type copper waterstop 2 and U-shaped supporting plate 4, be provided with pointing 3.
A construction technology for Concrete Face Rockfill Dam seam waterproof structure, described processing step is:
A, the U-shaped supporting plate 4 that thickness is 2 ㎜ is set in the bottom of seam, and fixing with expansion bolt 9;
B, on the top of concrete body 1, open and cut open groove, and pour into adhesive 8;
C, 1.5 ㎜ waterproof rolls 5 are set in the periphery of U-shaped supporting plate 4, groove is put into in the end of waterproof roll 5;
D, in the periphery of waterproof roll 5, separation layer 6 is set, and is fixed on concrete body 1 with expansion bolt 9;
E, in the periphery of separation layer 6, metal protection cover plate 7 is set, and by expansion bolt 9, metal protection cover plate 7 is fixed on concrete body 1.
Wherein, separation layer 6 described above is polyethylene polypropylene layer, and polyethylene polypropylene layer has stronger abrasion resistance; Adhesive 8 is modified epoxy adhesive or acrylic acid modified epoxy adhesive, and such polymer adhesive power is strong, more than reaching 4MPa, has excellent water-fast, chemically-resistant, ageing-resistant performance simultaneously, guarantees its bonding stability and anti-water stability; Described waterproof roll 5 is that one or both mixing in PVC waterproof roll or TPO waterproof roll are used.
The thickness of U-shaped supporting plate 4 and waterproof roll 5 is determined according to actual conditions, as the thickness of U-shaped supporting plate 4 be 2 ㎜, 3 ㎜ or 4 ㎜ all can, the thickness of waterproof roll 5 is also the same in the same manner, thickness is that 1.5 ㎜, 2.0 ㎜ or 2.5 ㎜ all can.
The present invention can adopt subregion negative pressure mode, checks fast the airtight performance of 5 of two waterproof rolls, as leaks air, and 8 pairs of seepages of available above-mentioned adhesive are partly repaired.
Claims (10)
1. a Concrete Face Rockfill Dam seam waterproof structure, comprises the F type copper waterstop (2) that is positioned at masonry dam seam bottom, it is characterized in that: described masonry dam seam top is fixed with U-shaped supporting plate (4) the outer protector that is arranged with of described U-shaped supporting plate (4).
2. seam waterproof structure according to claim 1, is characterized in that: described protector comprises water-tight device and protective device.
3. seam waterproof structure according to claim 2, is characterized in that: between described water-tight device and protective device, be fixed with separation layer (6).
4. seam waterproof structure according to claim 2, is characterized in that: described water-tight device comprises two-layer waterproof roll (5).
5. seam waterproof structure according to claim 4, is characterized in that: the two ends of described waterproof roll (5) are fixedly connected with concrete body (1).
6. seam waterproof structure according to claim 5, is characterized in that: the upper surface of described concrete body (1) is provided with groove, and the two ends of described waterproof roll (5) are positioned at groove, perfusion adhesive (8) in groove.
7. seam waterproof structure according to claim 2, is characterized in that: described protective device is for being fixedly installed on the peripheral metal protection cover plate (7) of U-shaped supporting plate (4).
8. seam waterproof structure according to claim 7, is characterized in that: described metal protection cover plate (7) is fixed on concrete body (1) by expansion bolt (9).
9. seam waterproof structure according to claim 1, is characterized in that: between described F type copper waterstop (2) and U-shaped supporting plate (4), be provided with pointing (3).
10. a construction technology for Concrete Face Rockfill Dam seam waterproof structure, is characterized in that, described processing step is:
A, the U-shaped supporting plate (4) that thickness is 2 ㎜ is set in the bottom of seam, and fixing with expansion bolt (9);
B, on the top of concrete body (1), open and cut open groove, and pour into adhesive (8);
C, 1.5 ㎜ waterproof rolls (5) are set in the periphery of U-shaped supporting plate (4), groove is put into in the end of waterproof roll (5);
D, in the periphery of waterproof roll (5), separation layer (6) is set, and is fixed on concrete body (1) with expansion bolt (9);
E, in the periphery of separation layer (6), metal protection cover plate (7) is set, and by expansion bolt (9), metal protection cover plate (7) is fixed on concrete body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310634818.4A CN103590369B (en) | 2013-12-03 | 2013-12-03 | A kind of waterproof structure of concrete face rockfill dam joint and construction technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310634818.4A CN103590369B (en) | 2013-12-03 | 2013-12-03 | A kind of waterproof structure of concrete face rockfill dam joint and construction technology |
Publications (2)
| Publication Number | Publication Date |
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| CN103590369A true CN103590369A (en) | 2014-02-19 |
| CN103590369B CN103590369B (en) | 2016-09-14 |
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| CN201310634818.4A Expired - Fee Related CN103590369B (en) | 2013-12-03 | 2013-12-03 | A kind of waterproof structure of concrete face rockfill dam joint and construction technology |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106192898A (en) * | 2016-07-11 | 2016-12-07 | 中国水利水电第十工程局有限公司 | The joint construction method of Face Slab of Concrete-faced Rockfill anti-settling deformation |
| 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 |
| CN106639001A (en) * | 2017-01-05 | 2017-05-10 | 南京兴华建筑设计研究院股份有限公司 | Waterproof structure used for abutted seam position of 3D printed building |
| CN109555086A (en) * | 2019-01-11 | 2019-04-02 | 中国电建集团西北勘测设计研究院有限公司 | Rock-fill dams periphery crack structure and construction method |
| CN111877082A (en) * | 2020-06-01 | 2020-11-03 | 哈尔滨工业大学 | Cement concrete pavement expansion joint filling seepage-proofing device and seepage-proofing method thereof |
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| CN203583440U (en) * | 2013-12-03 | 2014-05-07 | 深圳市城市优筑科技有限公司 | Waterproof structure of concrete panel rockfill dam joint |
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| RU2278202C1 (en) * | 2004-12-30 | 2006-06-20 | Государственное научное учреждение Поволжский научно-исследовательский институт эколого-мелиоративных технологий Российской академии сельскохозяйственных наук | Control joint for water-tight channel and water pool lining |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106192898A (en) * | 2016-07-11 | 2016-12-07 | 中国水利水电第十工程局有限公司 | The joint construction method of Face Slab of Concrete-faced Rockfill anti-settling deformation |
| 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 |
| CN106639001A (en) * | 2017-01-05 | 2017-05-10 | 南京兴华建筑设计研究院股份有限公司 | Waterproof structure used for abutted seam position of 3D printed building |
| CN109555086A (en) * | 2019-01-11 | 2019-04-02 | 中国电建集团西北勘测设计研究院有限公司 | Rock-fill dams periphery crack structure and construction method |
| CN109555086B (en) * | 2019-01-11 | 2024-02-06 | 中国电建集团西北勘测设计研究院有限公司 | Rock-fill dam peripheral seam structure and construction method |
| CN111877082A (en) * | 2020-06-01 | 2020-11-03 | 哈尔滨工业大学 | Cement concrete pavement expansion joint filling seepage-proofing device and seepage-proofing method thereof |
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| Publication number | Publication date |
|---|---|
| CN103590369B (en) | 2016-09-14 |
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Granted publication date: 20160914 |