砂土介质振弦式土压力盒标定试验
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简筝,赵国彦,王玺,马举,肖屈日
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Calibration Tests of Vibrating Wire Earth Pressure Cells in Sand Soil
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Zheng JIAN,Guoyan ZHAO,Xi WANG,Ju MA,Quri XIAO
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表5 砂标试验结果
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Table 5 Test results of sand pressure calibration method
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组号 | 气标值K0 | 砂标值K | 差异系数C/% | 线性回归公式 | R2 |
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ⅠA(1) | 5.74E-07 | 6.48E-07 | 12.892 | y=6.48E-07x-3.46E-04 | 0.9997 | ⅠA(2) | 5.74E-07 | 6.25E-07 | 8.885 | y=6.25E-07x-6.25E-04 | 0.9999 | ⅠB(1) | 5.74E-07 | 5.06E-07 | -11.866 | y=5.06E-07x-2.12E-02 | 0.9973 | ⅠB(2) | 5.74E-07 | 5.15E-07 | -10.209 | y=5.15E-07x-2.31E-02 | 0.9959 | ⅡA(1) | 6.29E-07 | 6.48E-07 | 3.021 | y=6.48E-07x-3.46E-04 | 0.9977 | ⅡA(2) | 6.29E-07 | 6.55E-07 | 4.134 | y=6.55E-07x+1.87E-02 | 0.9949 | ⅡB(1) | 6.29E-07 | 5.85E-07 | -6.935 | y=5.85E-07x-9.22E-04 | 0.9981 | ⅡB(2) | 6.29E-07 | 5.73E-07 | -8.869 | y=5.73E-07x+3.48E-02 | 0.9939 | ⅢA(1) | 1.01E-06 | 1.12E-06 | 10.891 | y=1.12E-06x+3.65E-02 | 0.9998 | ⅢA(2) | 1.01E-06 | 1.10E-06 | 8.911 | y=1.10E-06x+3.05E-02 | 0.9988 | ⅢB(1) | 1.01E-06 | 9.33E-07 | -6.968 | y=9.33E-07x-6.15E-03 | 0.9977 | ⅢB(2) | 1.01E-06 | 9.36E-07 | -7.305 | y=9.36E-07x-1.55E-02 | 0.9978 |
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