Discussed rock mass gravity collapse mechanism caused by under ground and overburden failure and surface settlement disaster, offered some underground mining and surface protective measures.
论述了地下矿层开采引起的岩体重力变形机理和造成的覆岩破坏、地表沉陷等灾害，提出了井下开采和井上防护的技术措施。
Boulder: also bowlder, a large rounded mass of rock lying on the surface of the ground or embedded in the soil.
巨砾，圆石：在地表上或埋在土壤中的大而圆的岩石块些美国现代作曲家。
The deformation of ruptured rock mass is the mostly causation of ground subsidence over goaf.
废弃采空区破裂岩体变形是导致地表沉陷的主要原因。
It can improve the strength and stability of ground, rock mass, and other structures.
通过锚杆的支护加固，岩土体的强度和稳定性能够得到显著的改善和提高。
The mechanical behaviour and properties of a rock mass are obviously determined by its structure, lithology and its occurrence, and especially by the ground stress.
岩体的力学作用和力学性质明显地受岩体结构、岩性及岩体赋存条件，特别是地应力控制着。
The ground stress surveying, rock mass deformation monitoring in Erlangshan tunnel, and study of the characteristics, influence factors of water outburst in Huayingshan tunnel are presented.
概述了二郎山隧道地应力场、岩爆及围岩变形的监测预报，并对华蓥山隧道岩溶涌突水的特征、原因及对隧道的影响进行了研究；
Principle and method of applying rock mass mechanics to assess the bearing capacity of rock ground are introduced, meanwhile, some new ideas and formulas are put forward.
介绍了运用岩体力学理论去评价岩石地基承载力的法则与方法 ，同时也提出了一些新的观点与算式。
A new three dimensional model for the analysis of transient ground water now in a stochastic fracture network of a fractured rock mass is presented in this paper.
介绍了在岩体三维随机裂隙网络中进行非稳定地下水渗流分析的数学模型和方法。
There are a lot of solution holes, fissures, pipes and caves of different sizes and shapes existed in the karst rock mass to form under- ground space.
喀斯特化岩体中存在着大小不等、形状各异的溶孔、溶隙、溶洞和管道构成的地下空间。
The analysis method that can exactly reflect the characteristics of ground motion transmitting is the basis for describing seismic response of rock mass.
真实反映地震动传播特性的分析方法是准确描述岩体地震反应的基础。
In some mines, the great ground pressure appeared is directly related with the unstable pillars, which are important parts of rock mass structure.
矿柱是矿山地下工程岩体结构中的重要组成部分。不少矿山产生较大的地压直接与矿柱破坏相关。
A case study shows that this method is an available approach to investigate the mechanism of rock mass deformation and ground surface subsidence.
实践证明，所采用的综合研究方法是分析岩体移动和地表下沉机制的有效途径。
The laws of ground surface subsidence and rock mass movement in east area of Chenchao iron mine due to underground mining are studied.
以大量的现场实测资料为基础，分析了程潮铁矿东区地下采矿引起的地表沉降和岩层移动规律。
The fault zone and ground water flow's existence change the original temperature field distribution of the rock mass.
断裂带及地下水流的存在改变了岩体的原有温度场分布。
The fault zone and ground water flow's existence change the original temperature field distribution of the rock mass.
断裂带及地下水流的存在改变了岩体的原有温度场分布。
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