1) 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。
2) collapse instability
垮落失稳
1.
Comprehensive assessment of collapse instability of fractured rockmass mediums based on in-situ monitoring;
基于现场监测的破碎围岩介质垮落失稳及综合分析
3) roof caving
顶板垮落
1.
Using this model,we have simulated the roof caving characteristic and the stress distribution of surrounding rocks and analyzed the deformation feature of the surrounding rocks in the working face end.
02D数值模拟软件建立相应的分析模型,模拟了煤层开采过程中的顶板垮落和围岩应力分布特征,重点分析了工作面上下端头的围岩应力分布规律及变形特点;结合具体生产矿井的综采工作面现场情况,得出了综采工作面推进过程中的周期来压、采动影响范围和煤壁片帮等矿压显现特征,并针对开采中出现的问题提出了相应的安全防范措施。
4) roof control by caving
垮落控顶
5) collapsing characteristic
垮落特征
6) 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 hydrogeological 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。
补充资料：松垮垮
1.散漫;涣散。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条