【正文】 .......................... 1 設(shè)計(jì)依據(jù) ................................................................................................... 1 工程建設(shè)必要性 ....................................................................................... 1 工程規(guī)模及設(shè)計(jì)范圍 ............................................................................... 2 線路主要經(jīng)濟(jì)指標(biāo) ................................................................................... 2 第 2章 線路路徑與進(jìn)出線情況 .............................................................................. 3 線路路徑方案 ........................................................................................... 3 路徑方案說明 ........................................................................................... 3 土質(zhì)比例 ................................................................................................... 5 線路兩端變電站進(jìn)出線說明 ................................................................... 5 路徑方案的自然情況 ............................................................................... 6 第 3章 線路沿線氣象條件 ...................................................................................... 9 氣象資料 ................................................................................................... 9 設(shè)計(jì)溫度 ................................................................................................. 10 設(shè)計(jì)覆冰 ................................................................................................. 10 設(shè)計(jì)氣象條件匯總 ................................................................................. 11 第 4章 線路機(jī)電部分 ............................................................................................ 13 導(dǎo)線和地線 ............................................................................................. 13 電纜型號(hào)選擇 ......................................................................................... 13 地線型號(hào)選擇 ......................................................................................... 14 導(dǎo)線及地線的設(shè)計(jì)應(yīng)力及安全系數(shù) ..................................................... 15 導(dǎo)線和地線的防振 ................................................................................. 15 絕緣配合 ................................................................................................. 16 絕緣子片數(shù) ............................................................................................. 16 塔頭空氣間隙 ......................................................................................... 17 防雷與接地 ............................................................................................. 17 絕緣子串和金具 ..................................................................................... 18 導(dǎo)線對地距離和交叉跨越要求 ............................................................. 19 第 5章 線路結(jié)構(gòu)部分 ............................................................................................ 21 概述 ......................................................................................................... 21 桿塔 ......................................................................................................... 21 基礎(chǔ) ......................................................................................................... 22 第 6章 水土保持方案及環(huán)保措施 ........................................................................ 23 概述 ......................................................................................................... 23 水土保持方案 ......................................................................................... 23 環(huán)保措施 ................................................................................................. 23 第 7章 送電線路對生態(tài)環(huán)境的影響 .................................................................... 24 對鄰近通訊線路的影響及防護(hù) ............................................................. 24 分析依據(jù) ...................................................................................................... 24 分析結(jié)果 ...................................................................................................... 24 輸電線路對生 態(tài)環(huán)境的影響 ................................................................. 24 保護(hù)植被、防止水土流失 .......................................................................... 24 其他樹木砍伐 .............................................................................................. 24 第 8章 “兩型三新”輸電線路執(zhí)行情況 ............................................................ 24 第 9章 路徑協(xié)議 .................................................................................................... 24 泰和縣 35kV 萬合輸變電線路新建工程初步設(shè)計(jì)說明書