摘要
以平面波发生器为加载源的爆炸测试系统 ,直接得出爆炸作用下岩石的应变历程曲线 .通过对一组应变波形的Lagrange分析 ,导出了岩石在 10 3～ 10 4 s- 1应变率范围内的应力波其它参量 (质点速度、应力等 )随时间的变化历史 。
A blasting measuring system which include plane-wave producer was set up to measure the strain-time curves of the rock bar under blasting loading. Other parameters of stress wave such as particle velocity, stress etc were also calculated by Lagrangian analysis method when the strain rate of granite is ranged from 103 to 104 s-1 The laws of stress wave propagation were affirmed in this experiments and dynamic Young's modulus of granite was calculated.
出处
《煤炭学报》
EI
CAS
CSCD
北大核心
2001年第3期270-273,共4页
Journal of China Coal Society
基金
黑龙江省自然科学基金资助项目 !(A9913 )
