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5 砂标试验结果
Table 5 Test results of sand pressure calibration method
组号气标值K0砂标值K差异系数C/%线性回归公式R2
ⅠA(1)5.74E-076.48E-0712.892y=6.48E-07x-3.46E-040.9997
ⅠA(2)5.74E-076.25E-078.885y=6.25E-07x-6.25E-040.9999
ⅠB(1)5.74E-075.06E-07-11.866y=5.06E-07x-2.12E-020.9973
ⅠB(2)5.74E-075.15E-07-10.209y=5.15E-07x-2.31E-020.9959
ⅡA(1)6.29E-076.48E-073.021y=6.48E-07x-3.46E-040.9977
ⅡA(2)6.29E-076.55E-074.134y=6.55E-07x+1.87E-020.9949
ⅡB(1)6.29E-075.85E-07-6.935y=5.85E-07x-9.22E-040.9981
ⅡB(2)6.29E-075.73E-07-8.869y=5.73E-07x+3.48E-020.9939
ⅢA(1)1.01E-061.12E-0610.891y=1.12E-06x+3.65E-020.9998
ⅢA(2)1.01E-061.10E-068.911y=1.10E-06x+3.05E-020.9988
ⅢB(1)1.01E-069.33E-07-6.968y=9.33E-07x-6.15E-030.9977
ⅢB(2)1.01E-069.36E-07-7.305y=9.36E-07x-1.55E-020.9978