The stress level in elastic zone and the stress distribution in strain-softening zone are not affected by the pillar thickness. The former is related to the axial strain of the pillar.
矿柱弹性区的应力水平及软化区的应力分布不受矿柱宽度的影响，前者与矿柱的轴向应变有关。
The relation between the softening factor of the destressed zone and borehole spacing and row spacing is a hyperbolic curve.
软化卸压带的软化系数与炮眼间距及排距呈双曲线关系。
There is a fracture process zone near the crack tip for the tensile strain softening materials.
在应变软化材料的主裂缝尖端存在一断裂过渡区。
The influence of softening extent on stress, displacement and the radius of plastic zone during expansion as well as the extreme expansion pressure are studied.
分析了剪胀和软化程度对球孔扩张时的应力、位移、塑性区半径及极限扩张压力等方面的影响，并将大、小应变理论的结果进行了比较。
This paper analyzes the welding performances of the pipeline steel X80 including softening of heat affected zone, its matching with base material and the possibility of welding cracking. It also de…
文章分析了高强度X80钢管道的热影响区的软化、焊缝金属与母材的匹配及产生焊接裂纹的可能性，介绍了管道环缝焊接工艺，还列举了国外X80钢管道的焊接工程实例。
This paper analyzes the welding performances of the pipeline steel X80 including softening of heat affected zone, its matching with base material and the possibility of welding cracking. It also de…
文章分析了高强度X80钢管道的热影响区的软化、焊缝金属与母材的匹配及产生焊接裂纹的可能性，介绍了管道环缝焊接工艺，还列举了国外X80钢管道的焊接工程实例。
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