气象条件序号工况名称冰厚(mm)风速（m/s）1低温002大风0353年平004覆冰0105高温006校验007安装0108外过0159内过015 电线型号及参数 电线安全系数: 6.000 型号: JKLYJ-70 截面积：70.00平方毫米 外径: 19.80毫米 重量: 445.8千克/千米 计算拉断力: 13727牛顿 最大使用应力: 22.88牛顿/平方毫米 弹性系数: 5600牛顿/平方毫米 线膨胀系数:23.0×1e-61/℃ 新线系数:0.700 年平系数:10% 年平均运行应力: 14.30牛顿/平放毫米.比载情况一览表比载×1e－3(N/mm2·m)符号g146.019g20.000g346.019g4(,10)14.052g4(,15)31.617g4(,35)120.495g5(0,10)14.052g6(,15)48.117g6(,35)55.833g6(,35)128.984g7(0,10)48.117 计算日期:2003年10月20日注:覆冰大于20毫米时,风压已计入增大系数1.500. JKLYJ-70架线弧垂表气温℃-101515-5401501515 ①本表单位:米安全系数:6.000②控制条件:大风控制由50.0米到300.0米.③根据\"设计规范\"的规定,考虑电线的塑性伸长对弧垂的影响,采用降温法补偿,已降温15℃.温度5060708090100110120130140-100.9591.6472.5273.574.7636.17.579 9.20010.96212.86501.0081.7072.5923.6364.8286.1657.6439.26411.02512.928101.0581.7682.6563.7014.8936.2297.7079.32711.08912.991201.1091.8282.7193.7654.9576.2937.7719.39111.15213.054301.1611.8882.7823.8295.0216.3567.8349.45411.21413.117401.2141.9482.8453.8925.0846.4197.8979.51611.27713.179温度-1001020304015014.90914.97215.03515.097 15.16015.22216017.09417.15717.21917.28217.34417.40617019.4219.48219.54519.60719.66919.73118021.88621.94922.01122.07322.13622.19719024.49424.55624.61924.68124.74324.80520021027.24330.13227.30530.19427.36730.25727.42930.31927.491 30.38027.55330.44222033.16333.22533.28733.34933.41133.47223036.33436.39636.45836.5236.58236.64324039.64739.70939.7739.83239.89439.955温度-10010203040250 43.10043.16243.22443.285 43.34743.40926046.69446.75646.81846.87946.94147.00327050.42950.49150.55350.61450.67650.73828054.30554.36754.42954.4954.55254.61329058.32258.38458.44658.50758.56958.6330062.4862.54262.60462.66562.72762.788
