砂土介质振弦式土压力盒标定试验
简筝,赵国彦,王玺,马举,肖屈日

Calibration Tests of Vibrating Wire Earth Pressure Cells in Sand Soil
Zheng JIAN,Guoyan ZHAO,Xi WANG,Ju MA,Quri XIAO
表2 编号Ⅰ土压力盒气标试验数据
Table 2 Test data of No.Ⅰ gas pressure calibration method
压力/MPa测得频率值1/Hz测得频率值2/Hz频率平均值/Hz计算压力/MPa偏差/MPa计算误差(FS)/%
0.001 1731 1731 1730.0000.0000.00
0.201 3161 3141 3150.2030.0030.29
0.401 4431 4421 4430.4050.0050.48
0.601 5591 5581 5590.6050.0050.48
0.801 6661 6651 6660.8030.0080.48
1.001 7661 7651 7661.0000.0000.00