Indentation stress-strain curves and contact damage of concrete in water,outdoors,5 %Na2SO4 solution were investigated via sphere impacting.
用冲击球压法研究了混凝土在室外、水和硫酸盐溶液中的压痕—应力关系和接触损伤的规律。
参考来源 - 复杂环境作用后混凝土接触损伤的评价·2,447,543篇论文数据，部分数据来源于NoteExpress
The indentation method of residue stress measurement depends on strain measurement around an indention caused by an impacting sphere.
采用数值分析方法对冲击压痕法测量残余应力的弹塑性变形过程进行了理论分析。
The paper presents a new analytical ballistic limit equation for sphere projectiles normal impacting on thin plates.
基于对理想弹塑性薄板的分析，得到了双层板结构的撞击极限方程。
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