表读数(MPa)张拉力(kN)表读数(MPa)张拉力(kN)1261141.934977.77164.16226.51163.893.5955.55208.343251098.014977.77120.2414970.77261155.5184.7324.2965.55261175.5209.9534973.7725.51133.3159.5311446901744950.1106010.0015x:40(m)θ:0.31(rad)0.163229孔道摩阻损失的测试次序甲端千斤顶乙端千斤顶孔道摩阻力(kN)孔道摩阻力平均值(kN)张拉力平均值(kN)甲端张拉164.25174.4951144.69乙端张拉184.74孔道摩擦系数的(简化)计算一、计算a:(kx+μθ)值P,(N)(上表计算的张拉力平均值)Ps=P-P(1-e-a)*e-a)/a,(N)(目标单元格,目标值为孔道摩阻力平均值)a:(kx+μθ)(可变单元格,模拟分析--单变量求解)二、计算μ值已知k:可得μ=(a-k*x)/θ=