张拉伸长量计算

张拉伸长量计算 150T千斤顶张拉力与对应油读数计算(第一次标定) 4根钢绞线张拉控控应力:σcon,195.3×4,781.2KN 5根钢绞线张拉控控应力:σcon,195.3×5,976.5KN 1) 仪器号 81号 线性回归方程为:y,0.0339x-0.03 式中:y—油压表读数(MPa) x—千斤顶拉力(KN) 10%σcon时，y,0.0339×78.12-0.03,2.618 MPa 4根钢绞线:x, x,20%σcon时，y,0.0339×156.24-0.03,5.267 MPa x,σcon时，y,0.0339×781.2-0.03,26.453MPa 5根钢绞线:x,10%σcon时，y,0.0339×97.65-0.03,3.280MPa x,20%σcon时，y,0.0339×195.3-0.03,6.591 MPa x,σcon时，y,0.0339×976.5-0.03,33.073MPa 2) 仪器号 82号 线性回归方程为:y,0.0338x+0.11 式中:y—油压表读数(MPa) x—千斤顶拉力(KN) 4根钢绞线:x,10%σcon时，y,0.0338×78.12+0.11,2.750MPa x,20%σcon时，y,0.0338×156.24+0.11,5.391MPa x,σcon时，y,0.0338×781.2+0.11,26.515MPa 5根钢绞线:x,10%σcon时，y,0.0338×97.65+0.11,3.411MPa x,20%σcon时，y,0.0338×195.3+0.11,6.711MPa x,σcon时，y,0.0338×976.5+0.11,33.116MPa 150T千斤顶张拉力与对应油表读数计算(第二次标定) 4根钢绞线张拉控控应力:σcon,195.3×4,781.2KN 5根钢绞线张拉控控应力:σcon,195.3×5,976.5KN 3) 仪器号 81号 线性回归方程为:y,0.034x-0.02 式中:y—油压表读数(MPa) x—千斤顶拉力(KN) 4根钢绞线:x,10%σcon时，y,0.034×78.12-0.02,2.64 MPa ,20%σcon时，y,0.034×156.24-0.02,5.29 MPa x x,σcon时，y,0.034×781.2-0.02,26.54MPa 5根钢绞线:x,10%σcon时，y,0.034×97.65-0.02,3.30MPa x,20%σcon时，y,0.034×195.3-0.02,6.62 MPa x,σcon时，y,0.034×976.5-0.02,33.18MPa 4) 仪器号 82号 线性回归方程为:y,0.0339x+0.08 式中:y—油压表读数(MPa) x—千斤顶拉力(KN) 4根钢绞线:x,10%σcon时，y,0.0339×78.12+0.08,2.73MPa x,20%σcon时，y,0.0339×156.24+0.08,5.38MPa x,σcon时，y,0.0339×781.2+0.08,26.56MPa 5根钢绞线:x,10%σcon时，y,0.0339×97.65+0.08,3.39MPa x,20%σcon时，y,0.0339×195.3+0.08,6.70MPa x,σcon时，y,0.0339×976.5+0.08,33.18MPa 150T千斤顶张拉力与对应油表读数计算(第三次标定) 4根钢绞线张拉控控应力:σcon,195.3×4,781.2KN 5根钢绞线张拉控控应力:σcon,195.3×5,976.5KN 5) 仪器号 81号 线性回归方程为:y,0.03436x-0.01 式中:y—油压表读数(MPa) x—千斤顶拉力(KN) 10%σcon时，y,0.03436×78.12-0.01,2.67MPa 4根钢绞线:x, x,20%σcon时，y,0.03436×156.24-0.01,5.36 MPa x,σcon时，y,0.03436×781.2-0.01,26.83MPa 5根钢绞线:x,10%σcon时，y,0.03436×97.65-0.01,3.35MPa x,20%σcon时，y,0.03446×195.3-0.01,6.70 MPa x,σcon时，y,0.03436×976.5-0.01,33.54MPa 6) 仪器号 82号 线性回归方程为:y,0.03448x+0.51 式中:y—油压表读数(MPa) x—千斤顶拉力(KN) 4根钢绞线:x,10%σcon时，y,0.03448×78.12+0.51,3.2MPa x,20%σcon时，y,0.03448×156.24+0.51,5.9MPa x,σcon时，y,0.03448×781.2+0.51,27.45MPa 5根钢绞线:x,10%σcon时，y,0.03448×97.65+0.51,3.88MPa x,20%σcon时，y,0.03448×195.3+0.51,7.24MPa x,σcon时，y,0.03448×976.5+0.51,34.18MPa