【摘要】 糯扎渡心墙堆石坝最大坝高261.5m,因此土料除需满足防渗要求外,还须有较好的力学性能。根据砂、泥岩的风化程度与土料的不同性质,土料可分为坡积层、构造残积层、强风化层和混合料,通过对各层进行分析,以及根据试验资料和以往工程经验,最终设计采用掺砾料作为心墙料。更多还原

【Abstract】 According to the exploration and test information of the borrow areas, this article presents the basic property and peculiarity of the imperious earth. As a rockfill dam of nuozadu hydropower project is 260 m high, core wall earth must have better impermeability and mechanica property, so it is necessary to take designing measures to mix gravel into earth.更多还原