金阳金湖路一期靠近天然气管道3(石马坡)修改..doc

PAGE PAGE 7 目录 TOC \o 1-3 \h \z \u HYPERLINK \l _Toc405816830 一．编制依据 PAGEREF _Toc405816830 \h 2 HYPERLINK \l _Toc405816831 二、工程概况 PAGEREF _Toc405816831 \h 2 HYPERLINK \l _Toc405816832 2.1工程简介 PAGEREF _Toc405816832 \h 2 HYPERLINK \l _Toc405816833 2.2天然气管道与金湖路南段位置关系 PAGEREF _Toc405816833 \h 2 HYPERLINK \l _Toc405816834 2.3平面位置关系图 PAGEREF _Toc405816834 \h 3 HYPERLINK \l _Toc405816835 2.3.1石马坡段与天然气管道关系图 PAGEREF _Toc405816835 \h 3 HYPERLINK \l _Toc405816836 2.3.2起点主线I、主线II、C、F匝道与天然气管道关系图 PAGEREF _Toc405816836 \h 4 HYPERLINK \l _Toc405816837 2.4现场照片 PAGEREF _Toc405816837 \h 4 HYPERLINK \l _Toc405816838 三．控制爆破保护对象 PAGEREF _Toc405816838 \h 6 HYPERLINK \l _Toc405816839 四．石方开挖方式及要求 PAGEREF _Toc405816839 \h 6 HYPERLINK \l _Toc405816840 4.1开挖方式 PAGEREF _Toc405816840 \h 6 HYPERLINK \l _Toc405816841 4.2已投入运营天然气管道附近开挖要求 PAGEREF _Toc405816841 \h 6 HYPERLINK \l _Toc405816842 五．总体方案选择 PAGEREF _Toc405816842 \h 7 HYPERLINK \l _Toc405816843 5.1爆破方案 PAGEREF _Toc405816843 \h 7 HYPERLINK \l _Toc405816844 5.2 方案实施要点 PAGEREF _Toc405816844 \h 7 HYPERLINK \l _Toc405816845 六．爆破方案技术实施方法 PAGEREF _Toc405816845 \h 7 HYPERLINK \l _Toc405816846 6.1爆破技术设计 PAGEREF _Toc405816846 \h 7 HYPERLINK \l _Toc405816847 6.1.1浅孔控制爆破设计 PAGEREF _Toc405816847 \h 7 HYPERLINK \l _Toc405816848 6.1.2深孔控制爆破设计(采用深孔爆破，爆破边界距石油管道不得小于80米) PAGEREF _Toc405816848 \h 8 HYPERLINK \l _Toc405816849 6.1.4一次起爆的最大炸药量计算 PAGEREF _Toc405816849 \h 10 HYPERLINK \l _Toc405816850 6.1.5装药结构 PAGEREF _Toc405816850 \h 11 HYPERLINK \l _Toc405816851 6.1.6堵塞 PAGEREF _Toc405816851 \h 12 HYPERLINK \l _Toc405816852 6.1.7爆破网路 PAGEREF _Toc405816852 \h 12 HYPERLINK \l _Toc405816853 6.2爆破安全距离计算 PAGEREF _Toc405816853 \h 14 HYPERLINK \l _Toc405816854 6.2.1个别飞石安全距离计算 PAGEREF _Toc405816854 \h 14 HYPERLINK \l _Toc405816855 6.2.2地震安全距离计算 PAGEREF _Toc405816855 \h 14 HYPERLINK \l _Toc405816856 6.3针对临近天然气管道施工及防护方案 PAGEREF _Toc405816856 \h 14 HYPERLINK \l _Toc405816857 6.3.1临近天然气、燃气管道总体施工方案 PAGEREF _Toc4058