​桥梁伸长值计算

桥梁计算N2孔道长度=15696.6 N1孔道长度X=15646.7N2钢绞线转角和=9°*2=18°/180°*π=0.314159265N1钢绞线转角和=4°*2=8°/180°*π=0.139626340孔道偏差影响系数=0.0015N2孔道摩擦影响系数=0.25N1孔道摩擦影响系数=0.2N2平均张拉力:pp=p(1-e^(KX+μθ))/(KX+μθ)=781200N*(1-e^(-(0.0015*15.6966+0.25*0.314159265)))/(0.0015*15.6966+0.25*0.314159265)=742648.6332N2伸长值=742648.6332*15696.6/(140*4*1.95*10^5)=106.7496203N1平均张拉力：pp=p(1-e^(KX+μθ))/(KX+μθ)=585900N*(1-e^(-(0.0015*15.6467+0.20*0.139626340)))/(0.0015*15.6467+0.20*0.139626340)=571098.4015N1伸长值=571098.4015*15646.7/(140*3*1.95*10^5)=109.1062925