granule failure of calcareous sand is very special at low stress level. the effect of confining pressure on granule farlure is analyzed and its deformation mechanism discussed.
针对低应力水平下钙质砂的颗粒破碎现象具有特殊性,分析了围压对钙质土颗粒破碎的影响,揭示其变形过程的力学机制;
it is also proved that the effect of confining pressure on the damage degree evolution is affected by the grades of impulsive force under the same shock times.
围压的存在提高了巖石的沖击强度,降低了巖石的损伤演化速率;
the authors emphasise significant effect of confining pressure on structural fracture porosities of folded layers and …
以往的研究、计算方法,忽视了围压对构造裂缝孔隙度的影响。
rocks are different in their structure, mineral particles and deforming history, and the effect of confining pressure on young's modulus is not understood clearly.
巖石种类繁多,变形历史复杂,围压对杨氏模量的影响规律尚缺乏明确的结论。