这项采矿工艺不可靠 the mining technique is shaky. handicraft
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Equipment and engineers are in desperately short supply for all mining projects at the moment 目前,所有的采矿工程所需的器械和技师的数量都极为有限。
Therefore , the investigation on its mechanical properties and fracture process is of a vital importance to mining engineering , underground engineering and engineering 对混凝土材料的力学性质及破坏过程的研究对于结构工程、地下工程以及采矿工程等都有重要的意义。
Abstract : this paper discribes the principle of rook acoustic emission techniques . some applications such as insitu rock stress measuring , locating high stress zone , predicting roof falling and evaluating rook stability are presented 文摘:论述了岩体声发射技术的基本原理,介绍了其在采矿工程中的若干应用成果:地应力测量、高应力区圈定、冒顶预测预报、稳定性评价。
At the same time , mining engineering that is a special work that digs for a tunnel relates to the body of the mountain and the mineral resources which are all irregular 3d solid . so , it is hard to use the traditional design making visualization and computer simulation for mining engineering 同时,采矿工程是一种在山体空间进行的岩土开挖工程,该工程涉及的山体、矿藏均为不规则的三维实体,传统的工程设计很难实现采矿工程的可视化和计算机模拟。