CN105568926A - Anti-seepage reinforcement structure and method of stone-laying water-retaining building - Google Patents
Anti-seepage reinforcement structure and method of stone-laying water-retaining building Download PDFInfo
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- CN105568926A CN105568926A CN201410554626.7A CN201410554626A CN105568926A CN 105568926 A CN105568926 A CN 105568926A CN 201410554626 A CN201410554626 A CN 201410554626A CN 105568926 A CN105568926 A CN 105568926A
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- dash building
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Abstract
The invention provides an anti-seepage reinforcement structure of a stone-laying water-retaining building. The anti-seepage reinforcement structure comprises a stone-laying water-retaining building basal body. The surface layer of the water facing side of the stone-laying water-retaining building basal body is smeared with a flat anti-seepage base layer composed of polymer mortar. Polyurea elastomer is sprayed to the outer side of the anti-seepage base layer to form an anti-seepage coating. The invention further provides an anti-seepage reinforcement method of the stone-laying water-retaining building. The method comprises the steps that (1) the surface of the stone-laying water-retaining building basal body is cleaned; (2) grouting treatment is conducted on a concentrative seepage channel; (3) uneven parts of the surface of the stone-laying water-retaining building basal body are filled with the polymer mortar, and plastering construction is conducted till the flat anti-seepage base layer is formed; and (4) after the outer side of the anti-seepage base layer is coated with an interface agent, polyurea elastomer spraying is conducted to form the anti-seepage coating. By arranging the anti-seepage coating on the surface of the stone-laying water-retaining building, anti-seepage reinforcement is achieved; the composite of acrylic mortar and the polyurea elastomer serves as anti-seepage materials, and thus the economical and safe anti-seepage structure which is environmentally friendly and green and has good structural stressing conditions is formed.
Description
Technical field
The present invention relates to the anti-seepage reinforcing structure of a kind of stone-laying dash building;
The invention still further relates to the anti-seepage reinforcement method of a kind of stone-laying dash building.
Background technology
The Hydraulic and Hydro-Power Engineering of China experienced by a longer development course, in founding of New so far, China has built the extremely huge reservoir of quantity, a lot of reservoir is built in the Great Leap Forward period, in view of design at that time, construction, managerial skills, through the operation of decades, reservoir water retaining structure more at present has more or less occurred that sick danger is suffered from, reinforcement is extremely urgent, but searching out suitable reinforcement means respectively for water retaining structure that is dissimilar, different materials, is good problem to study.
In numerous water retaining structures, there is a class to adopt stone-laying structure dash, often structure itself is through running for many years, displacement, stress etc. are all comparatively stable, but because material is for years, expose to the weather, water erosion, there is the phenomenon of percolating water, develop as one pleases and will inevitably produce serious disaster, therefore need to carry out anti-seepage reinforcing to it.Meanwhile, because such water retaining structure thickness is less, be difficult to carry out anti-seepage reinforcing therein.
Summary of the invention
Technical problem to be solved by this invention is exactly for above shortcomings in prior art, and the anti-seepage reinforcing structure providing a kind of stone-laying dash to build and method thereof, for solving the problems of the prior art.
For achieving the above object and other relevant objects, the invention provides the anti-seepage reinforcing structure of a kind of stone-laying dash building, comprise stone-laying dash building substrate, the described stone-laying dash building substrate near water top layer of side is coated with polymer mortar and forms smooth antiseepage basic unit, and the outside of described antiseepage basic unit is coated with polyurea elastomer and forms barrier coat.
Further, described polymer mortar adopts acrylamide sand grout.
Further, interfacial agents is filled with between described antiseepage basic unit and barrier coat.
The anti-seepage reinforcement method that the present invention also provides a kind of stone-laying dash to build, comprises the following steps:
1) stone-laying dash building substrate surface is cleared up;
2) grouting treatment is carried out to concentrated leakage passage;
3) polymer mortar filling is carried out to stone-laying dash building substrate surface irregularity place, and carry out wiping one's face construction until form smooth antiseepage basic unit;
4), outside antiseepage basic unit after brushing interfacial agents, carry out polyurea elastomer spraying and form barrier coat.
Further, described polymer mortar adopts acrylamide sand grout.
Further, described step 2) in, after grouting treatment, adopt giant to clean basal plane floating dust.
Further, described step 4) in, before spraying application, keep antiseepage substrate surface dry.
Further, described step 4) in, the spraying application of polyurea elastomer carries out continuously.
By above technical scheme, the present invention has following technique effect compared to prior art: carry out anti-seepage reinforcing by the method arranging barrier coat at stone-laying dash building surface, impervious material adopts the complex of acrylamide sand grout and polyurea elastomer material, forms a kind of environmental protection, economy, safety type leakage preventing structure that green has better structure stress condition.
Accompanying drawing explanation
Fig. 1 is the block diagram of the anti-seepage reinforcement method of stone-laying dash of the present invention building.
Detailed description of the invention
By particular specific embodiment, embodiments of the present invention are described below, person skilled in the art scholar the content disclosed by this manual can understand other advantages of the present invention and effect easily.
Refer to Fig. 1.Notice, structure, ratio, size etc. that this manual institute accompanying drawings illustrates, content all only in order to coordinate manual to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the present invention, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the present invention can produce and the object that can reach, still all should drop on disclosed technology contents and obtain in the scope that can contain.Simultaneously, quote in this manual as " on ", D score, "left", "right", " centre " and " one " etc. term, also only for ease of understanding of describing, and be not used to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the present invention.
Basal body structure face based on water retaining structure is uneven, and direct spraying impervious material is also unfavorable for forming uniform antiseepage film, and stone face corner angle easily cause face damaged, make watertight facing face the danger of inefficacy.In the present invention, the stone-laying dash building substrate near water top layer of side is coated with polymer mortar and forms smooth antiseepage basic unit, the preferred acrylamide sand grout of polymer mortar, and the outside of antiseepage basic unit is coated with polyurea elastomer and forms barrier coat.Acrylamide sand grout is combined well with block stone, polyurea elastomer material, and self also can play antiseepage effect; Polyurea elastomer material has impermeability, can adapt to the phenomenons such as water-retaining structure surface curvature, local irregularities well.
In the present invention, impervious material adopts the complex of acrylamide sand grout and polyurea elastomer material, adopts acrylamide sand grout by stone-laying surface evening on the one hand, is convenient to spray polyurea material, acrylamide sand grout itself has barrier performance on the other hand, and energy and polyurea materials play duplicate protection; Adopt polyurea materials can make up individual layer acrylamide sand grout antiseepage defect at skin, also for antiseepage brings double shield, simultaneously because polyurea materials is elastomeric material, thickness is less, little to water retaining structure constraint, affect structure stress situation hardly, little on structural stress impact.
As shown in Figure 1, below in conjunction with the anti-seepage reinforcement method of stone-laying dash building, be described in further detail:
1) the loosening mortar in stone-laying dash building substrate surface and fritter stone is cleared up;
2) grouting treatment is carried out to concentrated leakage passage;
3) by giant cleaning basal plane floating dust
4) acrylamide sand grout filling is carried out to stone-laying dash building substrate surface irregularity place, and carry out wiping one's face construction until form smooth antiseepage basic unit;
5), outside antiseepage basic unit after brushing interfacial agents, carry out polyurea elastomer spraying and form barrier coat.
In construction, polyurea elastomer material adopts a complete set of equipment spraying, should carry out continuously, and spraying thickness is even, reduces construction joint, the particularly construction of polyureas barrier coat, should ensure the drying of basal plane.Before polyureas spraying, should configure enough manpowers and complete antiseepage base layer construction, maintenance also keeps dry tack free.
In sum, the present invention carries out anti-seepage reinforcing by the method arranging barrier coat at stone-laying dash building surface, impervious material adopts the complex of acrylamide sand grout and polyurea elastomer material, forms a kind of environmental protection, economy, safety type leakage preventing structure that green has better structure stress condition.So the present invention effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (8)
1. the anti-seepage reinforcing structure of a stone-laying dash building, comprise stone-laying dash building substrate, it is characterized in that, the described stone-laying dash building substrate near water top layer of side is coated with polymer mortar and forms smooth antiseepage basic unit, and the outside of described antiseepage basic unit is coated with polyurea elastomer and forms barrier coat.
2. the anti-seepage reinforcing structure of stone-laying dash building according to claim 1, it is characterized in that, described polymer mortar adopts acrylamide sand grout.
3. the anti-seepage reinforcing structure of stone-laying dash building according to claim 1, is characterized in that, be filled with interfacial agents between described antiseepage basic unit and barrier coat.
4. an anti-seepage reinforcement method for stone-laying dash building according to claim 1, is characterized in that, comprise the following steps:
1) stone-laying dash building substrate surface is cleared up;
2) grouting treatment is carried out to concentrated leakage passage;
3) polymer mortar filling is carried out to stone-laying dash building substrate surface irregularity place, and carry out wiping one's face construction until form smooth antiseepage basic unit;
4), outside antiseepage basic unit after brushing interfacial agents, carry out polyurea elastomer spraying and form barrier coat.
5. the anti-seepage reinforcement method of stone-laying dash building according to claim 4, it is characterized in that, described polymer mortar adopts acrylamide sand grout.
6. the anti-seepage reinforcement method of stone-laying dash building according to claim 4, is characterized in that, described step 2) in, after grouting treatment, adopt giant to clean basal plane floating dust.
7. the anti-seepage reinforcement method of stone-laying dash building according to claim 4, is characterized in that, described step 4) in, before spraying application, keep antiseepage substrate surface dry.
8. the anti-seepage reinforcement method of stone-laying dash building according to claim 4, is characterized in that, described step 4) in, the spraying application of polyurea elastomer carries out continuously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410554626.7A CN105568926A (en) | 2014-10-17 | 2014-10-17 | Anti-seepage reinforcement structure and method of stone-laying water-retaining building |
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| CN201410554626.7A CN105568926A (en) | 2014-10-17 | 2014-10-17 | Anti-seepage reinforcement structure and method of stone-laying water-retaining building |
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| CN105568926A true CN105568926A (en) | 2016-05-11 |
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| GB2175327A (en) * | 1985-05-17 | 1986-11-26 | Toshonishiwaki Kabushiki Kaish | Providing a waterproof covering on a substrate |
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| CN202787333U (en) * | 2012-03-29 | 2013-03-13 | 中国水利水电科学研究院 | Concrete surface protection structure of marine construction |
| CN103321187A (en) * | 2013-07-03 | 2013-09-25 | 国家电网公司 | Overflow face protection method |
| CN104047268A (en) * | 2014-05-26 | 2014-09-17 | 江苏鼎泰工程材料有限公司 | Dam reinforcement method |
| CN104131551A (en) * | 2014-08-08 | 2014-11-05 | 青岛海川建设集团有限公司 | Anticorrosion coating of precast pile foundation for silt soil complicated geology and method |
| CN204225034U (en) * | 2014-10-17 | 2015-03-25 | 上海勘测设计研究院有限公司 | The anti-seepage reinforcing structure of stone-laying dash building |
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2014
- 2014-10-17 CN CN201410554626.7A patent/CN105568926A/en active Pending
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| GB2175327A (en) * | 1985-05-17 | 1986-11-26 | Toshonishiwaki Kabushiki Kaish | Providing a waterproof covering on a substrate |
| CN202787333U (en) * | 2012-03-29 | 2013-03-13 | 中国水利水电科学研究院 | Concrete surface protection structure of marine construction |
| CN102658685A (en) * | 2012-05-08 | 2012-09-12 | 江苏苏博特新材料股份有限公司 | Polyurethane/polyurea composite protective layer and preparation method thereof, and application of polyurethane/polyurea composite protective layer in concrete shielding |
| CN103321187A (en) * | 2013-07-03 | 2013-09-25 | 国家电网公司 | Overflow face protection method |
| CN104047268A (en) * | 2014-05-26 | 2014-09-17 | 江苏鼎泰工程材料有限公司 | Dam reinforcement method |
| CN104131551A (en) * | 2014-08-08 | 2014-11-05 | 青岛海川建设集团有限公司 | Anticorrosion coating of precast pile foundation for silt soil complicated geology and method |
| CN204225034U (en) * | 2014-10-17 | 2015-03-25 | 上海勘测设计研究院有限公司 | The anti-seepage reinforcing structure of stone-laying dash building |
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| 刘广胜等: "喷涂聚脲和丙乳砂浆复合技术在连拱坝防渗加固中的应用", 《全国第十三届防水材料技术交流大会论文集》 * |
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Application publication date: 20160511 |