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A platform for research: civil engineering, architecture and urbanism
Reservoir composite geotechnical dam body anti-seepage structure and construction method thereof
The invention belongs to the technical field of anti-seepage engineering, and particularly relates to a reservoir composite geotechnical dam body anti-seepage structure and a construction method thereof.According to the anti-seepage structure, a clay core wall is arranged in the middle of a dam body, a waterproof curtain is arranged below the clay core wall, and an HDPE geomembrane is laid on the upstream face of the clay core wall; the downstream face of the dam body is filled with the composite soil covered edge, the grouting water plugging walls are arranged at the two ends of the dam body in the length direction correspondingly, the underground water stopping curtain forms a foundation water separation wall through foundation treatment measures such as curtain grouting, an underground continuous wall and high-pressure jet grouting, and seepage of a dam foundation can be prevented in cooperation with a clay core wall and an HDPE geomembrane; the composite edge covering soil has high strength, good water stability and good mechanical property, and can effectively prevent slope rainwater from gully and resist slope instability; the characteristics of no culture treatment, high strength and good plate body performance are not beneficial for termites to grow to form holes and damage a dam body.
本发明属于防渗工程技术领域，具体涉及一种水库复合土工坝坝体防渗漏结构及其施工方法，防渗漏结构通过将粘土心墙设置在坝体的中部，将止水帷幕设置在粘土心墙的下方，将HDPE土工膜铺设于粘土心墙的迎水面，将复合土包边填筑于坝体的背水面，将注浆堵水墙分别设置在坝体长度方向的两端，地下止水帷幕由帷幕灌浆、地下连续墙、高压喷射注浆等地基处理措施形成地基隔水墙，配合粘土心墙和HDPE土工膜，能够防止坝基渗流；复合包边土具有强度高、水稳定性好、力学性能良好，能有效防止坡面雨水冲沟，抵抗边坡失稳；而无养化处理以及高强度、板体性好的特性，不利于白蚁滋长造穴，破坏坝体。
Reservoir composite geotechnical dam body anti-seepage structure and construction method thereof
The invention belongs to the technical field of anti-seepage engineering, and particularly relates to a reservoir composite geotechnical dam body anti-seepage structure and a construction method thereof.According to the anti-seepage structure, a clay core wall is arranged in the middle of a dam body, a waterproof curtain is arranged below the clay core wall, and an HDPE geomembrane is laid on the upstream face of the clay core wall; the downstream face of the dam body is filled with the composite soil covered edge, the grouting water plugging walls are arranged at the two ends of the dam body in the length direction correspondingly, the underground water stopping curtain forms a foundation water separation wall through foundation treatment measures such as curtain grouting, an underground continuous wall and high-pressure jet grouting, and seepage of a dam foundation can be prevented in cooperation with a clay core wall and an HDPE geomembrane; the composite edge covering soil has high strength, good water stability and good mechanical property, and can effectively prevent slope rainwater from gully and resist slope instability; the characteristics of no culture treatment, high strength and good plate body performance are not beneficial for termites to grow to form holes and damage a dam body.
本发明属于防渗工程技术领域，具体涉及一种水库复合土工坝坝体防渗漏结构及其施工方法，防渗漏结构通过将粘土心墙设置在坝体的中部，将止水帷幕设置在粘土心墙的下方，将HDPE土工膜铺设于粘土心墙的迎水面，将复合土包边填筑于坝体的背水面，将注浆堵水墙分别设置在坝体长度方向的两端，地下止水帷幕由帷幕灌浆、地下连续墙、高压喷射注浆等地基处理措施形成地基隔水墙，配合粘土心墙和HDPE土工膜，能够防止坝基渗流；复合包边土具有强度高、水稳定性好、力学性能良好，能有效防止坡面雨水冲沟，抵抗边坡失稳；而无养化处理以及高强度、板体性好的特性，不利于白蚁滋长造穴，破坏坝体。
Reservoir composite geotechnical dam body anti-seepage structure and construction method thereof
一种水库复合土工坝坝体防渗漏结构及其施工方法
KE HAILIN (author) / YANG QIN (author) / LIU GUOQING (author) / YIN CAILING (author) / FU YINXIA (author)
2024-05-28
Patent
Electronic Resource
Chinese
Reservoir composite geotechnical dam body anti-seepage structure and construction method thereof
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