Agrillaceous shale is soft, apt to be weathered, crumbling with water and dry cracking when losing water.
泥质页岩岩性较软,易风化,具有明显的遇水崩解、失水干裂的性质,目前关于该地质条件下隧道围岩受力情况的研究并不多见。
The primary study on the property of solidifying sand of the black muddy shale in Shapotou Region, Zhongwei, Ningxia Province;
宁夏中卫县沙坡头地区黑色泥质页岩固沙性能研究
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