运营充水状态高密度聚乙烯管的爆破振动响应特性
张玉琦,蒋楠,贾永胜,周传波,罗学东,吴廷尧

Blasting vibration characteristics of high-density polyethylene pipes in operation water-filled state
Yu-qi ZHANG,Nan JIANG,Yong-sheng JIA,Chuan-bo ZHOU,Xue-dong LUO,Ting-yao WU
表 3 管道、粉质黏土与砂岩材料模型参数表
Tab.3 Pipeline,silty clay and sandstone material model parameter table
材料 ρ /(g·m−3) E /GPa G /GPa μ c /MPa φ /(°) σt /MPa
管道 0.936 0.834 9 0.46 31.600
粉质黏土 1.980 0.039 0 4.3 0.35 0.035 15 0.028
砂岩 2.680 52.000 0 11.2 0.25 5.500 43 2.580