活性粉末混凝土冲击压缩性能及本构关系

谢磊,李庆华,徐世烺

Dynamic compressive properties and constitutive model of reactive powder concrete

Lei XIE,Qing-hua LI,Shi-lang XU

表 1 Z-W-T模型拟合参数

Tab.1 Fitted parameters of Z-W-T model

$ \dot{\varepsilon } $/ ${{\rm{s}}^{ - 1}}$ ${E^{'}}$/GPa ${E_2}$/GPa ${\theta _2}$/µs $m$ $n/ {10^{ - 3}}$ ${\varepsilon _{\rm{th}}}/{10^{ - 3}}$ $k$ 10.57 287.360 −174.1000 −331.3900 0.8290 6.100 1.550 165.110 92.57 11.464 144.6740 9.7676 1.3390 1.030 2.247 41.889 140.10 −6.563 146.8910 11.4730 0.9355 11.777 2.016 40.737 175.60 −55.573 187.1640 15.8260 0.3990 106.628 2.205 174.509 200.27 −50.976 178.6470 14.8670 0.4050 104.193 2.331 165.410 265.80 −267.832 394.8950 34.2050 0.3240 88.225 3.240 176.505 289.43 −112.749 244.3337 17.3725 0.3770 91.451 3.402 174.322