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1)  height of caving zone
垮落带高度
2)  collapse height of soil-arch
拱顶垮落高度
3)  caving zone
垮落带
1.
Then,the types and mechanisms of the seepage deformation and failure of the unconsolidated soil layers across the caving zone and water flowing fractured zone within overburden,and the relationship among the critical percolation gradient of unconsolidated soil layers while seepage fa.
以带不同尺寸裂缝的混凝土块模拟采动裂缝岩体,以黏土、粉土、粗砂和砾砂配制不同颗粒组成的7种土样,采用改装的渗透仪,对松散层经过采煤上覆垮落带和裂缝带发生渗透变形破坏的类型和机制进行研究,得出采煤垮落带和裂缝带上覆松散土层发生从上往下渗透变形破坏的临界水力坡度与土层粒度成分、物理力学性质和裂缝尺寸的关系。
2.
810 mining area, simulation of similar materials and simulated analysis by computer, the hydrogeological feature of quaternary, engineering geological feature of mantlerock, growth of maximum caving zone and cracking zone in this area are analyzed systematically.
根据810采区钻孔及地质资料、相似材料模拟和计算机数值模拟分析,系统分析了该区第四纪水文地质特征、基岩风化带工程地质特征和最大垮落带、最大裂隙带发育特征。
4)  grouting mining collapse zone
垮落带注充
5)  the height of overlying strata
冒落带高度
6)  collapse [英][kə'læps]  [美][kə'læps]
垮落
1.
The failure,rupture and collapse of mining induced surrounding strata are a representative process in which the boundaries of dynamic system are variable.
煤矿采动围岩的破坏、断裂和垮落是具有代表性的时变边界过程。
补充资料:落叉
【落叉】
 (杂语)Laksa,又曰洛叉、洛沙。数量名,十万也。如意轮陀罗尼经曰:“一洛叉。唐云十万数也。”玄应音义二十三曰:“洛叉又言洛沙。此当十万,一百洛沙为一俱胝。”梵语杂名曰:“十万,梵名攞乞史。”密教设浅深二教,浅略释以为十万之数量,深释以为见照或成就之义。(参见:三落叉)
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