岩石力学性质和可钻性是分析和评价岩石抵抗破碎和钻进的基本性质，也是合理选择碎岩工具和工艺的基础。
The mechanical property and drillability of rocks are the basic quality available for analyzing and evaluating the anti fracture and drilling resistance of rocks.
第二，通过对旧水泥稳定碎石破碎后结构层强度损失和抵抗反射裂缝能力的分析，以及结合国内外研究资料，提出破碎层颗粒粒径范围。
Secondly, by analyzing the loss of strength in the base and reflection crack occurs, combining research data in and abroad, the size of broken stones was proposed.
应用推荐