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摘要：根石也叫“护根石”，坝的下部保护石。根石是防洪工程坦石乃至整个坝身安全稳定的基础，在工程承受大溜剧烈冲刷时，根坦石易走失坍塌，导致工程出险。

 

关键词：根石 作用 措施

 

黄河防洪工程底脚至临河排石称为“根石”