根据超高矿柱结构及受力特点,并充分考虑初始几何偏差,建立了简化的压杆力学模型.基于弹塑性理论对具有初始几何缺陷的超高矿柱的......

针对具有初始几何缺陷的超高矿柱稳定性问题建立了一个简化的力学模型,基于初始挠度的形状、岩石的应力-应变关系、应变-曲率关系......

A simplified mechanical model of ultra-high pillar was established and its potential energy expression was derived under......