Verification of Numerical Modeling in 2-D Wave Propagation in Rock

来源 :中国矿业大学学报:英文版 | 被引量 : 0次 | 上传用户:chenlijuan1986
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
Compressional harmonic wave propagation from a cylindrical tunnel or borehole in an intact rock is the basis for investigation of the practical explosion waves in a fractured rock mass. The amplitudes of the radial stress wave obtained from the universal
其他文献
Pre-geological prediction(PGP)is defined as the prediction of engineering geologic condition and hydrogeological condition certain distance ahead of the working
The permeability of coal of middle to high ranks were tested using He,CH4 and H2O in single phase medium and using CH4 and H2O in double phase medium. The relat
为了获得在衬里和电线之间的准确磨擦系数,绑,电线绳的紧张作为影响这个系数的一个因素被学习。受到轴的负担的电线绳的一个机械模型被建立决定电线绳的转矩。当螺丝钉旋转和源
为钌(III ) 的决心的一个 spectrophotometric 方法被描述,基于它有在酸答案媒介并且面对 OP emulsifier 的钾使与臬化合的 dimethyl 黄(DMY ) 的氧化反应上的催化效果(p-iso-
During calculating the fluid resistence with Herschel-Bulkley formula, the deviation is very large in some regions. In order to decrease the deviation, the opti
包含小粒的激活的碳(GAC ) 的垃圾堆班机的吸附能力,或火山灰成胶状黏土由酸激活,因为 Cr (VI ) 被批测试调查。结果证明 GAC 和激活的火山灰成胶状黏土能作为 sorptive 修正案
许多更早的实验证明了从岩石表面的那思考取决于表面粗糙,发生天顶角度,看的天顶角度,发生方位角和看的方位角。然而,没有研究存在显示出这些变量的相互作用效果。把花岗石用作模
在这份报纸, RPC 的尺寸效果的系数和法律通过实验和理论分析被学习。为 RPC 的压缩力量的尺寸效果系数通过实验被推出。他们显示没有纤维的 RPC 相当与正常或高的力量水泥一
The control system, which includes structure, the composition of software and hardware, the form of PID control system and its systematic closed-loop, was used
Based on the mechanical experiment of brittle coal-rock and the damage mechanical theory, a damage model was established. Coal-Rock damage mechanical characteri