Research on Cause Analysis and Treatment of Penetration Limit of Retaining Pile in Deep Foundation Pit
Because of its advantages such as convenient machine transfer and simple supporting equipment,the rotary digging hard bite process has significant advantages in construction efficiency and economic benefits compared with the full casing biting pile process.Taking a project in Houhai Street,Nanshan District,Shenzhen as an example,this paper studies the causes of support pile encroachment from the aspects of site geological conditions,inherent characteristics of rotary digging equipment,construction organization and management of occluding pile,etc.The research shows that geological conditions,construction equipment performance,construction organization and other factors have a great im-pact on construction quality.
Deep excavationRotary drilling rigHard cutting interlocking pile
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