关于“巷道周围岩体内应力分布曲线形态和破裂带范围计算方法”的商榷

• 作 者: 陈名强
• 出 处: 焦作矿业学院学报
• 发表日期: 1987年02期
• 关键词: 破裂带 巷道 内应力分布 岩体 曲线形态 切向应力 两带 岩石条件 岩体力学 矿山压力

本文从实验资料和理论分析两个方面,对目前国内已出版的有关“岩体力学”和“矿山压力”论著中普遍引用的巷道周围岩体内应力分布曲线形态”进行质疑。提出了在巷道周围岩体内“两带”(弹性带和塑性带)交界处切向应力不连续(即存在一个“跳跃”)的观点。进一步指出了目前通用的“破裂带范围计算方法”缺乏理论依据。文中还对不同岩石条件下,“两带”交界处切向应力差值的大小作了初步分析。

In this paper, from the experimental data and theoretical analysis of two aspects, the current domestic published “rock mechanics” and “mine pressure” commonly quoted in the rock mass around the stress distribution curve shape “questioned.Proposed in the roadway The view that the tangential stress is discontinuous (ie, there is a ”jump“) at the junction of the ”two zones“ (elastic zone and plastic zone) in the surrounding rock mass further points out the lack of theoretical basis for the current ”rupture zone calculation method“. The paper also made a preliminary analysis of the magnitude of the tangential stress difference at the junction of ”two zones" under different rock conditions.