Open Access

表3

砂岩强度预测模型参数数值

参数 数值 参数 数值
ξ1 3.82×10-1 ξ7 4.05
ξ2 -4.10×10-1 ξ8 7.44
ξ3 2.37 ξ9 2.94×10-2
ξ4 -2.80 ξ10 1.71×10-1
ξ5 -2.73×10-1 ξ11 1.14
ξ6 17.38 ξ12 3.00

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