横琴新区市政基础设施BT项目非示范段主、次干路市政道路工程（一期工程）环岛东路中段第1工程段东侧边坡爆破施工方案中国二十冶集团有限公司横琴新区市政基础设施工程项目经理部2012年04月目录1编制依据..............................................................................................................32方案实施原则......................................................................................................33工程概况..............................................................................................................43.1工程简介..................................................................................................................43.2工程周围环境..........................................................................................................54工程条件..............................................................................................................54.1工程地质条件..........................................................................................................54.2地层结构和岩土特征..............................................................................................64.3气候条件..................................................................................................................75施工部署.............................................................................................................86爆破方案的选择..................................................................................................87爆破工期安排.....................................................................................................98爆破施工设备及人员...........................................................................................99爆破施工...........................................................................................................109.1浅孔台阶爆破........................................................................................................109.2深孔台阶爆破........................................................................................................129.3最终边坡处理........................................................................................................149.4爆破网路设计........................................................................................................1510爆破安全.........................................................................................................1710.1爆破振动安全校核..............................................................................................1710.2爆破飞石..............................................................................................................1810.3爆破防护措施......................................................................................................2010.4爆破冲击波及噪声..............................................................................................2011爆破施工工艺..................................................................................................2211.1炮孔的布置..........................................................................................................2211.2钻孔......................................................................................................................2211.3装药........................................
