本人课设杆塔计算书

500KVlsh420m档距lch550m，代表档距ld400m1风速冰厚0--00-00-00-0-导线(LGJ4003526.83mm，截面积425.24mm2，重量1349kgkm，计算拉断力Tp103900N；地线(JLB4150)：外径15.75mm，截面积148.07mm2，重量696.3kgkm，计算拉断力Tp90620N；2导线24(X-14(FD-地线14(FG-1v30msB0mmt5CPPKadzzv2导线风荷载调整系数z风速不均匀系数aK

m106mmfd导线的平均高度为hd363.7902326.90m计算z(26.90/15)032zPd1.351.11.20fb5.147mb182mm地线的平均高度为hd365.50.182z(37.8915)032zPb1.351.11.34PPn(n1)Av2 zJ绝缘子串联数n11；每联中绝缘子片数n124

一片绝缘子的挡风面积（单裙）AJ0.03m2风压降低系数1.0（单联

(26.903.790/2)032JP1(241)1.1781.00.03302/1.6JWWKFv2 K1.3;z1.35

1-

(360.8)032kkF9.9m2FFkkF0.3

0.39.9

1.31.3331.352.97302/1.60.43908WWKFv2 K1.3;z1.35

(361.61.95)032kkF4.29m2FFkkF0.3

0.34.29

1.31.3641.351.287302/1.60.41733WKzzFv2K1.3;z1.35

(362.3)032kkF4.14m2FFkkF0.3

0.34.14

1.31.2961.351.242302/1.60.41589WWKFv2 K1.3;z1.35

(364.64.75)032kkF13.5m2FFkkF0.3

0.313.5

1.31.2021.354.05302/1.60.44806GGdnQ1 4单导线n1；垂直档距lch550m导线单位长重量Q11349101013.49NGd113.49550地线单位长重量

696.3103106.963N/Gb16.963550GJdGJb2v10msB10mmt5C风速不均匀系数a覆冰时的导线外径d26.82210 dP1.351.11.20146.82103420102/1.6d覆冰时的地线外径d15.75210bP1.351.11.34135.75103420102/1.6bJP1(241)1.1781.00.03102/1.6J

1.31.3331.352.97102/1.60.4434

1.31.3641.351.287102/1.60.4192

1.31.2961.351.242102/1.60.4176

1.31.2021.354.05102/1.60.4534bQ27.73b(db)103(N/bbdbQ27.7310(26.8210)103(N/m)10.21N/bGdn(Q1Qb)lch1(13.4910.21)550bQ27.7310(15.7510)103(N/m)7.14N/bGdn(Q1Qb)lch1(6.9637.14)550GJd1600NGJb136N3v0msB0mmt5CGd113.49550Gd74200.8Gb16.963550GJd1600NGJb136N最大使用张力TmTpK1039002.5TDTm415600.154v0msB0mmt5C未断地线重力荷载已断地线重力荷载Gb38300.8GJdGJb最大使用张力TmTpK906202.7TDTm335630.505v10msB0mmt5CGxGGdGF

Gx1.1296804000PxKGP1.351.11.201.