导地线配合计算

导 地 线 配 合 计 算-200803导线型号LGJ-300/25计算拉断力(N)直径(mm)安全系数K3.2自重荷载(N/m)年平均运行张力Av(%)25截面积(mm^2)弹性模量(N/mm^2)保证拉断力取计算拉断力的0.95温度线膨胀系数 (1/℃)导地线挂点垂直间距Sv(m)4最大使用张力(N)平均运行张力(N)83410地线型号JLB30-80计算拉断力(N)23.7610.3754安全系数K3.5333.3165000.00.00002050保证拉断力取计算拉断力的0.95温度线膨胀系数 (1/℃)2476219810年平均运行张力Av(%)25截面积(mm^2)弹性模量(N/mm^2)导地线挂点水平间距Sh(m)0.6最大使用张力(N)平均运行张力(N)直径(mm)自重荷载(N/m)62880代表档距Lp(m)11.404.411079.39126000.0气 温(℃)-5-51覆冰-5510110.714.36272.898914.6523张力(N)24762覆冰-51010111.210.34472.95410.00001380 荷载(N/m)14.652310.7583系数K=张 力(N)247621706711706714934控制工况覆 冰330覆 冰地面粗糙度类别(1-田野、乡村、山丘, 2-海岛, 3-城市)：年平均气温15001010.37540.000010.3754张力(N)17206年平均气温1500104.41100.0000最低气温-10001010.37540.000010.3754张力(N)19735最低气温-1000104.41100.0000大风15023.50.8525.110.37548.747513.5709张力(N)21313大风15023.50.8526.44.41105.0652代表档距Lp=330m时的控制条件LGJ-300/25JLB30-80基准风速高度(m)10指数a=导线平均高度(m)150.16验算工况15001010.37540.000010.3754弧垂(m)8.21验算工况1500104.41100.0000地线平均高度(m)20.5导线：LGJ-300/25 参数表工 况气 温(℃)导线冰厚(mm)基准风速(m/s)风压不均匀系数导线风速(m/s)垂直荷载(N/m)水平荷载(N/m)综合荷载(N/m)LGJ-300/25Lp=330m 张力弧垂工 况气 温(℃)地线冰厚(mm)基准风速(m/s)风压不均匀系数地线风速(m/s)垂直荷载(N/m)水平荷载(N/m)外过无风15001010.37540.000010.3754张力(N)弧垂(m)172068.21外过无风1500104.41100.0000张力(N)17206K值(*E-3)0.302地线：JLB30-80 参数表Zepdi 第 1 页 共 3 页2018/10/16

综合荷载(N/m)JLB30-80Lp=330m 张力弧垂4.4110张力(N)84984.4110张力(N)95026.7166张力(N)1156910.7583张力(N)170674.4110张力(N)弧垂(m)84987.074.4110张力(N)8498弧垂(m)7.07K值(*E-3)0.260LGJ-300/25 K=3.2 Av=25% V=25.1m/s C=5mm JLB30-80 K=3.5 Av=25% V=26.4m/s C=10mm Lp=330m Sv=4m Sh=0.6m30 档距05010015025 20025030035040020 45050055060065015 70075080085090095010 100010501100115012005 125013001350140014500 1500外过无风工况下的导地线弧垂(m)导线地线弧垂差导地线间距0.012*L+1导线外过无风工况下的导地线配合曲线 0.000.000.004.041.000.000.190.160.034.071.600.190.750.650.104.152.200.751.701.460.244.282.801.703.022.600.424.463.403.024.714.060.664.694.004.716.785.840.944.984.606.789.237.951.295.325.209.2312.0610.381.685.715.8012.0615.2613.142.126.156.4015.2618.8416.222.626.657.0018.8422.8019.633.177.207.6022.8027.1423.363.787.808.2027.1431.8527.414.438.458.8031.8536.9331.795.149.169.4036.9342.4036.505.909.9210.0042.4048.2441.536.7210.7310.6048.2454.4646.887.5811.6011.2054.4661.0652.568.5012.5111.8061.0668.0358.569.4713.4812.4068.0375.3864.8810.4914.5113.0075.3883.1071.5311.5715.5813.6083.1091.2178.5112.7016.7114.2091.2199.6985.8113.8817.8914.8099.69108.5493.4315.1119.1215.40108.54117.78101.3816.4020.4016.00117.78127.39109.6517.7321.7416.60127.39137.37118.2519.1223.1317.20137.37147.74127.1720.5724.5717.80147.74158.48136.4222.0626.0718.40158.48169.60145.9923.6127.6219.00169.60验算工况下的导地线垂直间距(m)地线弧垂差(导－地）导地线垂直间距0.000.004.000.160.034.030.650.104.101.460.244.242.600.424.424.060.664.665.840.944.947.951.295.2910.381.685.6813.142.126.1216.222.626.6219.633.177.1723.363.787.7827.414.438.4331.795.149.1436.505.909.9041.536.7210.7246.887.5811.5852.568.5012.5058.569.4713.4764.8810.4914.4971.5311.5715.5778.5112.7016.7085.8113.8817.8893.4315.1119.11101.3816.4020.40109.6517.7321.73118.2519.1223.12127.1720.5724.57136.4222.0626.06145.9923.6127.61导地线间距(m) 0 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 档距(m) 1400 1500 Zepdi 第 2 页 共 3 页2018/10/16

LGJ-300/25 K=3.2 Av=25% V=25.1m/s C=5mm JLB30-80 K=3.5 Av=25% V=26.4m/s C=10mm Lp=330m Sv=4m导地线垂直间距(m) 30 验算工况下的导地线配合曲线（垂直间距） 25 20 15 10 5 0 0 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 档距(m) 1400 1500 Zepdi 第 3 页 共 3 页2018/10/16