【正文】 鐵路增建合同段路基臨近既有線施工組織設計1鐵路增建合同段路基臨近既有線施工組織設計鐵路增建合同段路基臨近既有線施工組織設計2目 錄1 編制依據(jù)、原則及范圍 ..................................................................................................................................................3 編制依據(jù) .................................................................................................................................................................3 編制原則 .................................................................................................................................................................3 編制范圍 ..................................................................................................................................................................42 工程概況 ..........................................................................................................................................................................4 工程范圍 ..................................................................................................................................................................4 與既有線關系 ..........................................................................................................................................................4 自然條件及工程環(huán)境 ..............................................................................................................................................4 地形地貌特征 .......................................................................................................................................................4 地質(zhì)、水文特征 ...................................................................................................................................................4 地震動參數(shù) ...........................................................................................................................................................5 工程建設條件 .......................................................................................................................................................53 主要工程量(見附表 3) ....................................................................................................................................................64 施工組織安排 ..................................................................................................................................................................6 工期安排： ..............................................................................................................................................................6 施工組織機構(gòu)： ......................................................................................................................................................65 主要機械設備及人員配備 ............................................................................................................................................136 施工組織 ........................................................................................................................................................................14 總體措施 ...............................................................................................................................................................14 線路調(diào)查 .............................................................................................................................................................14 地基處理 .............................................................................................................................................................15 路基幫寬施工 .....................................................................................................................................................16 路塹開挖施工 .....................................................................................................................................................24 過渡段施工 .........................................................................................................................................................24 路基支擋施工 .....................................................................................................................................................31 預加固樁施工 .....................................................................................................................................................33 既有線水溝拆除及回填施工 .............................................................................................................................34 邊坡 附屬工程施工 ...........................................................................................................................................34 物理隔離防護 ........................................................................................................................................................36 物理隔離防護設置標準 .....................................................................................................................................36 DYK139+655～DYK140+655 段防護方案 ......................................................................................................377 安全保障措施 ................................................................................................................................................................43 綜合安全措施 .......................................................................................................................................................43 雨季、冬季施工措施 ............................................................................................................................................43 施工機械安全措施 ...............................................................................................................................................43 施工用電安全措施 ...............................................................................................................................................44 施工人員人身安全措施 .................................................