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在混凝土坝上游面设置可靠的防渗层,不仅可以提高大坝的耐久性(减少软水对混凝土坝的溶出性侵蚀)与运转质量,而且还能适当降低对大坝混凝土质量的要求,特别对于利用低标号水泥混凝土建坝更具有重要意义。
The reliable seepage prevention layer on the upstream face of concrete dam can not only improve the dam’s durability (reduce the eroded erosion of concrete dam by soft water) and the running quality, but also appropriately lower the requirements on dam concrete quality, especially for The use of low-grade concrete dam construction is more important.