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周边缝是面板坝的关键部位 ,黑泉面板坝在总结国内外已建工程经验的基础上 ,对传统止水结构加以改进 ,并进行了创新 ,提出了“新型双金属止水结构系统”设计。该止水系统表层与底层止水片均可独立起止水防渗作用 ,这与传统止水结构的设计思路有很大的不同 ,该止水结构对变形尤其是剪切变形适应能力较强 ,有可能解决高坝周边缝大变位问题
Peripheral seam is the key part of the panel dams. On the basis of summarizing the experience of built projects at home and abroad, Heiquan panel dam has improved the traditional water stop structure and made innovations. The design of “new bimetal waterproof structure system” . The water stop system of the water stop system can independently play a role of water stop and seepage prevention, which is very different from the design idea of the traditional water stop structure. The water stop structure has strong adaptability to deformation, especially shear deformation, It is possible to solve the problem of large deformation around the high dam