应力弧垂计算表2

导地线架设应力、导地线架设应力、观测弧垂计算表线路名称： 110kV核电线导线型号： JL/LB20-240/40 避雷线型号： GJ-50 耐张段：观测档：

导线 σm 11.6 E 8000 L0 123 -5 123 -3.422266085 -3.168932752 -2.915599418 -2.662266085 -2.408932752 -2.155599418 -1.902266085 -1.648932752 -1.395599418 -1.142266085 -0.888932752 30.41698025 30.41698025 30.41698025 30.41698025 30.41698025 30.41698025 30.41698025 30.41698025 30.41698025 30.41698025 30.41698025 110.5794919 94.06267988 79.98636864 68.1554577 58.37484661 50.44943493 44.18412222 39.38380803 35.85339191 33.39777343 31.82185213

计算参数 s а -10 -5 0 5 10 15 20 25 30 35 40

210.93 g 0.000019 -10.26679825 -9.506798255 -8.746798255 -7.986798255 -7.226798255 -6.466798255 -5.706798255 -4.946798255 -4.186798255 -3.426798255 -2.666798255 gm

0.003473 tm 0.007473 L 60.83396051 60.83396051 60.83396051 60.83396051 60.83396051 60.83396051 60.83396051 60.83396051 60.83396051 60.83396051 60.83396051

待求应力σ 待求应力σ (kg/mm2) 10.78937877 10.10281847 9.430788738 8.776562074 8.144009806 7.537544026 6.961924632 6.421893105 5.921645604 5.464243652 5.051136547

观测弧垂f(m) 观测弧垂f 0.60876876 0.650139043 0.696467381 0.748383784 0.806511398 0.871402769 0.943451285 1.022788239 1.109191123 1.202039505 1.300348283

实际气温减15℃后 ℃ 按对应本列温度查观测弧垂值

避雷线 σm 34 E 49.46 g 0.0000115 gm -10 -5 0 5 10 15 20 25 30 35 -31.06088586 -29.99713586 -28.93338586 -27.86963586 -26.80588586 -25.74213586 -24.67838586 -23.61463586 -22.55088586 -21.48713586 18500 L0 0.008567 tm 0.019920 L 855.8140529 855.8140529 855.8140529 855.8140529 855.8140529 855.8140529 855.8140529 855.8140529 855.8140529 855.8140529 123 -10.35362862 -9.999045288 -9.644461955 -9.289878622 -8.935295288 -8.580711955 -8.226128622 -7.871545288 -7.516961955 -7.162378622 427.9070264 427.9070264 427.9070264 427.9070264 427.9070264 427.9070264 427.9070264 427.9070264 427.9070264 427.9070264 2647.675836 2427.334254 2222.078752 2031.374353 1854.686076 1691.478946 1541.217982 1403.368207 1277.394643 1162.76231 123 -5

计算参数 s а

待求应力σ 待求应力σ (kg/mm2) 31.90179519 30.89381357 29.89122377 28.89468236 27.90493564 26.92283147 25.94933174 24.98552534 24.03264092 23.09205854

观测弧垂f(m) 观测弧垂f 0.507819607 0.524388388 0.541977044 0.560669154 0.580555258 0.601733035 0.624307295 0.648389693 0.67409808 0.701555345

实际气温减10℃后 ℃ 按对应本列温度查观测弧垂值

导地线架设应力、观测弧垂计算表

耐张段：

应力弧垂计算表2