Construction Practice of Bored Cast-in-place Pile Post Grouting in Hangzhou

Bored cast-in-place pile post grouting can promote the bearing capacity of single pile,guarantee the pile construction quality and save construction cost,which fit to bored cast-in-place pile engineering in bearing layers of sandy gravel and gravel soil.With the field case,the paper detailed the reinforcement mechanism,construction technology and treatment measures for construction difficulties.