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中文摘要：
基于新型回转触探仪器,对硬质岩石材料进行旋转—切削—钻进试验,并对试验参数之间的关系进行了分析。试验发现在硬质地层材料中进行钻进的过程中,以回转切削的方式进行旋转钻进,降低了触探过程中的钻压,因此可以在不提高触探仪器性能的基础上实现触探能力的提高。并得到了试验中钻压和扭矩之间的变化规律。通过分析回转触探试验参数与岩石基本力学指标之间的关系,并引进钻削理论初步推导出岩石基本力学指标抗压强度、内摩擦角及黏聚力的计算公式。本文可对利用回转触探技术进行软岩等硬质地层原位测试提供参考。
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