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1.工程概况连云港东疏港高速公路大岛山互通立交C、D、E匝道部分路段,原设计采用粉喷桩进行软基处理,由于该区域有二条110kv高压线与路线平行,净空高度受限,设计部门决定改用高度可调整的浆喷桩机进行软基处理。设计浆喷桩桩径50cm,梅花形布置,桩间距按桥头、桥头过渡段和一般路段分别为1.0m、1.3m、1.5m间距布设,桩长7～14.5m不等。需处理路段共
1. Project Overview Lianyungang East Shugang Expressway Dushushan Interchange interchange C, D, E ramp part of the original design of the use of DJM pile for soft ground treatment, as the area has two 110kv high voltage line and the route parallel to the height of the headroom , The design department decided to use a highly adjustable slurry injection pile machine for soft foundation treatment. Spray pile diameter 50cm design, plum-shaped layout, the spacing of piles according to the bridgehead, bridgehead transition section and the general section of 1.0m, 1.3m, 1.5m spacing layout, pile length of 7 ~ 14.5m range. Need to deal with a total of sections