昆明轨道交通首期工程土建施工十三标【昆明北站至北辰小区项目】附属结构基坑开挖及110KV电缆隧道保护专项施工方案中铁十五局集团有限公司昆明市轨道交通首期工程十三标段项目经理部二○一二年九月二十日目录1．编制说明及依据...............................................................................................................................01.1．编制说明...............................................................................................................................01.2．编制依据...............................................................................................................................12．工程概况...........................................................................................................................................22.1．工程简介...............................................................................................................................22.2．附属结构与110KV电缆隧道关系.......................................................................................22.3．工程地质与水文地质条件...................................................................................................52.3.1．工程地质情况...........................................................................................................52.3.2．水文地质特征...........................................................................................................62.4．围护结构形式.......................................................................................................................73．电缆隧道悬吊保护明挖法...............................................................................................................83.1．承重桩基、格构柱及旋喷施工...........................................................................................83.1.1.钻孔桩施工工艺.......................................................................................................93.1.2.旋喷桩施工工艺.....................................................................................................103.2．砼支撑梁及联系梁施工.....................................................................................................133.3．电缆隧道悬吊保护.............................................................................................................134．基坑开挖.........................................................................................................................................144.1．基坑降水.............................................................................................................................154.2．土方开挖施工.....................................................................................................................154.3．支撑安装.............................................................................................................................174.4．逆做围护墙施工.................................................................................................................184.5．电缆隧道恢复.....................................................................................................................195．施工监测.........................................................................................................................................206．电缆隧道安全保证措施.......
