水泥净浆弹性模量的纳米压痕表征与多尺度计算

陈小文, 韩宇栋, 丁小平, 侯东伟

Multiscale Calculation of Elastic Modulus of Cement Paste Based on Grid Nanoindentation Technology

CHEN Xiaowen, HAN Yudong, DING Xiaoping, HOU Dongwei

表2 不同水灰比试样的点阵纳米压痕试验结果汇总

Tab.2 Summary of test results of grid nanoindentation of samples at different water-cement ratios

w/c 相 E/GPa 压痕点数 体积分数 0.2 PP - - - 0.2 LDCSH - - - 0.2 HDCSH 29.66±7.82 314 0.79 0.2 CH 56.76±16.13 54 0.13 0.2 UHP 97.18±23.76 32 0.08 0.4 PP 10.90±6.06 117 0.29 0.4 LDCSH 21.24±4.14 119 0.30 0.4 HDCSH 31.67±4.26 96 0.24 0.4 CH 43.99±7.46 62 0.16 0.4 UHP 79.97±8.03 5 0.01 0.6 PP 11.79±5.38 127 0.32 0.6 LDCSH 21.93±4.61 175 0.44 0.6 HDCSH - - - 0.6 CH 37.56±9.70 97 0.24 0.6 UHP - - -