锚索框架梁专项施工方案 (2).docx

锚索框架梁专项施工方案 (2) 名目1编制说明 .......................................................................... - 2 -1.1工程概况 ....................................................................... - 2 -1.2编制原那么 ....................................................................... - 2 -1.3标准、标准.................................................................... - 3 -2地形地貌 .......................................................................... - 4 -2.1地质条件 ....................................................................... - 4 -3预应力锚索格构梁............................................................ - 5 -3.1 工作原理 ...................................................................... - 5 -3.2 锚索格构梁施工挨次 .................................................... - 5 -4 锚索、锚杆施工 .............................................................. -5 -4.1施工放样 ....................................................................... - 7 -4.2钻孔 .............................................................................. - 7 -4.2.1钻机就位 ................................................................... - 8 -4.2.2钻进方式 ................................................................... - 8 -4.2.3钻进过程 ................................................................... - 8 -4.2.4孔位孔深 ................................................................... - 8 -4.2.5锚孔清理 ................................................................... - 9 -4.2.6锚孔检验 ................................................................... - 9 -4.3 锚索体制作及安装........................................................ - 9 -4.4 锚固注浆 .................................................................... - 10 -5 格构梁施工 ................................................................... - 11 -5.1 材料要求 .................................................................... - 11 -5.2 架梁开槽 .................................................................... - 11 -5.3 格构梁施工 ................................................................