钻孔桩技术交底ccc

钻孔桩技术交底1、工程概况K32+593别离式立交桥起迄里程为K32+497.5～K32+688.5全长191m桥面总宽26m。上部构造采用2×26+2×40+2×26m预应力砼等截面连续箱梁箱梁为别