Rotary drilling drill construction case | China Yiye Hengli Group Shenzhen Bay Super Headquarters Base Project

Project Name:China Yiye Hengli Group Shenzhen Bay Super Headquarters Base Project

Project Location:Shenzhen, Guangdong Province

Device Model:SR485

Pile diameter:2500mm、2800mm

Pile Depth:55m~60m

Geology:0~10m seaside backfill layer, backfill is mainly stones, clay, gravel, construction waste, etc.;

10m~30m marine sedimentary silt, fine sand, coarse sand, gravel;

30m~40m fully weathered, fragmented strongly weathered granite;

40m~final hole Medium weathering, slightly weathered granite, rock saturation compressive strength 90~120MPa

Construction technology:Long casing under full rotation equipment, mud wall protection construction technology

Cone barrel drilling core, pick sand bucket slag fishing, drill pipe model, construction method, cone file construction