导线覆冰过载能力计算表格文件下载.xls

导线覆冰过载能力计算表格文件下载.xls

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LGJ-240/30LGJ-240/30K=2.5K=2.5V=28.8m/sV=28.8m/sC=20mmC=20mm覆覆冰冰过过载载能能力力计计算算导线型号LGJ-240/30安全系数2.5年平均运行张力（%）25保证破断张力取计算拉断力的0.95直径（mm）21.60计算拉断力（N）自重荷载（N/m）截面积（mm2）弹性模量（N/mm2）温度线膨胀系数（1/）最大使用张力（N）平均运行张力（N）756209.0437275.9673000.00.000019602873617960临界档距Lkp1=57.73m小于临界档距的控制条件为：

@#@年平均气温；@#@大于临界档距的控制条件为：

@#@覆冰基准设计风速（m/s）设计风速基准高度（m）导线平均高度（m）271015地面粗糙度类别（1-田野、乡村、山丘,2-海岛,3-城市）：

@#@1地面粗糙度指数a（高空风压系数计算）：

@#@0.16系数K=1导线覆冰过载能力（最低点水平张力达到拉断力的70%覆冰风荷载增大系数：

@#@1.2工况基本工况Lp=400m时覆冰过载能力Lp=500m时覆冰过载能力年平均气温最低气温大风覆冰重新计算：

@#@是

（1）、否（0）：

@#@1重新计算：

@#@是

（1）、否（0）：

@#@1冰厚（mm）00020过载冰厚44.644.6过载冰厚31.731.7基准风速（m/s）00271015151515风压不均匀系数110.7511111导线风速（m/s）0.00.028.810.716.016.016.016.0气温（）15-515-5-5-5-5-5垂直荷载（N/m）9.04379.04379.043732.113190.910190.910155.892655.8926水平荷载（N/m）0.00000.00009.24415.260125.545525.545519.597219.5972综合荷载（N/m）9.04379.043712.932232.541094.431194.431159.228659.2286代表档距（m）张力（N）张力（N）张力（N）张力（N）张力（N）张力（N）张力（N）张力（N）4008294850111734287367417574175过载4941949419未过载5008181830811621287367680976809过载5032350323过载6008120820611559287367850078500过载5087050870过载7008084814711522287367963479634过载5122251222过载Zepdi第1页共19页2022/10/2导线型号LGJ-240/30LGJ-240/30最大使用张力平均运行张力截面积（mm2）弹性模量（N/mm2）2873617960275.9673000P/T判别式编序0.0003150.0004500.000504控制工况最低气温大风年平均气温控制气温t（）-51515单位荷载P（N/m）9.043712.93229.0437容许张力T（N）287362873617960Fo=-（T+A*E*a*t）（N）-26761-34658-23882临界档距有效计算值0.000.0057.74临界档距控制工况气温（）荷载（N/m）57.74年平均气温159.0437999999覆冰-532.5410999999覆冰-532.5410覆冰-532.5410线膨胀系数（1/）0.00001960.001132覆冰-532.541028736-26761999999张力（N）1796057.7328736999999.0028736999999.0028736导导线线型型号号直直径径（mm）（mm）单单位位重重量量（kg/km）（kg/km）截截面面积积（mm2）（mm2）弹弹性性模模量量ACSR-720/5036.232397.7775.0963700.0GJ-55（1*7）9.60447.056.30181300.0GJ-80（1*19）11.50628.478.94181300.0GJ-80（1*7）11.40630.479.39181300.0JL/LB14-120/7018.00848.4193.4094000.0JL/LB14-150/3517.50653.5181.6277000.0JL/LB14-185/3018.88713.0210.9372000.0JL/LB14-185/4519.60819.6227.8377000.0JL/LB14-210/3520.38934.8246.0972000.0JL/LB14-210/5020.86928.4258.0677000.0JL/LB14-240/3021.60901.2275.9670000.0JL/LB14-240/4021.66938.5277.7472000.0JL/LB14-240/5522.401070.5297.5777000.0JL/LB14-300/4023.941107.1338.9970000.0JL/LB14-300/5024.261177.3348.3672000.0JL/LB14-300/7025.201354.9376.6177000.0JL/LB14-400/3526.821326.3425.2467000.0JL/LB14-400/5027.631476.8451.5570000.0JL/LB14-400/6528.001568.2464.0072000.0JL/LB14-400/9529.141798.0501.0277000.0JL/LB14-50/3011.60352.680.3294000.0JL/LB14-500/3530.001619.1531.3765000.0JL/LB14-500/4530.001658.9531.6867000.0JL/LB14-500/6530.961854.1566.9470000.0JL/LB14-630/4533.602031.0666.5565000.0JL/LB14-630/5534.322171.7696.2267000.0JL/LB14-630/8034.822334.0715.5170000.0JL/LB14-70/4013.60484.3110.4094000.0JL/LB14-800/10038.982924.3896.0570000.0JL/LB14-800/5538.402654.5870.6065000.0JL/LB14-800/7038.582743.7879.4067000.0JL/LB14-95/5516.00670.3152.8194000.0JL/LB1A-120/2015.07443.9134.4971000.0JL/LB1A-120/2515.74497.1146.7373000.0JL/LB1A-120/7018.00809.0193.4091000.0JL/LB1A-150/2016.67526.5164.5069000.0JL/LB1A-150/2517.10571.5173.1171000.0JL/LB1A-150/3517.50634.4181.6275000.0JL/LB1A-185/2518.90676.6211.2969000.0JL/LB1A-185/3018.88696.5210.9371000.0JL/LB1A-185/4519.60795.8227.8375000.0JL/LB1A-210/2519.98756.1236.1269000.0JL/LB1A-210/3520.38812.0246.0971000.0JL/LB1A-210/5020.86901.4258.0675000.0JL/LB1A-240/3021.60883.7275.9669000.0JL/LB1A-240/4021.66916.9277.7471000.0JL/LB1A-240/5522.401039.4297.5775000.0JL/LB1A-300/2023.43976.4324.3365000.0JL/LB1A-300/2523.761025.5333.3166000.0JL/LB1A-300/4023.941085.5338.9969000.0JL/LB1A-300/5024.261150.2348.3671000.0JL/LB1A-300/7025.201315.4376.6175000.0JL/LB1A-400/2026.911260.4427.3163000.0JL/LB1A-400/2526.641261.8419.0165000.0JL/LB1A-400/3526.821307.5425.2466000.0JL/LB1A-400/5027.631448.1451.5569000.0JL/LB1A-400/6528.001532.1464.0071000.0JL/LB1A-400/9529.141746.2501.0275000.0JL/LB1A-50/3011.60336.080.3291000.0JL/LB1A-500/3530.001600.2531.3765000.0JL/LB1A-500/4530.001635.3531.6866000.0JL/LB1A-500/6530.961818.2566.9469000.0JL/LB1A-630/4533.602007.2666.5565000.0JL/LB1A-630/5534.322140.8696.2266000.0JL/LB1A-630/8034.822289.5715.5169000.0JL/LB1A-70/4013.60461.8110.4091000.0JL/LB1A-720/5036.202337.0775.4165000.0JL/LB1A-800/10038.982868.3896.0569000.0JL/LB1A-800/5538.402621.7870.6065000.0JL/LB1A-800/7038.582704.6879.4066000.0JL/LB1A-95/5516.00639.2152.8191000.0JL/LB20A-120/2015.07443.9134.4971000.0JL/LB20A-120/2515.74497.1146.7373000.0JL/LB20A-120/7018.00809.0193.4091000.0JL/LB20A-150/2016.67526.5164.5069000.0JL/LB20A-150/2517.10571.5173.1171000.0JL/LB20A-150/3517.50634.4181.6275000.0JL/LB20A-185/2518.90676.6211.2969000.0JL/LB20A-185/3018.88696.5210.9371000.0JL/LB20A-185/4519.60795.8227.8375000.0JL/LB20A-210/2519.98756.1236.1269000.0JL/LB20A-210/3520.38812.0246.0971000.0JL/LB20A-210/5020.86901.4258.0675000.0JL/LB20A-240/3021.60883.7275.9669000.0JL/LB20A-240/4021.66916.9277.7471000.0JL/LB20A-240/5522.401039.4297.5775000.0JL/LB20A-300/2023.43976.4324.3365000.0JL/LB20A-300/2523.761025.5333.3166000.0JL/LB20A-300/4023.941085.5338.9969000.0JL/LB20A-300/5024.261150.2348.3671000.0JL/LB20A-300/7025.201315.4376.6175000.0