About the author:

1. General Construction Co. of CCTEB Group Co., Ltd., Wuhan, Hubei 430070,China;2. Wuhan Municipal Engineering Quality and Safety Center,Wuhan, Hubei 430070,China;3. Hubei University,Wuhan, Hubei 430070,China

Abstract:

This paper mainly analyzes the main characteristics of micropile construction technology and itsapplicability in existing building. Aiming at the floor floating problem of a building under construction inWuhan, combined with the anti,floating measures of the building and the floating reason of the basement,micropile is used as a remedial measure for building floating. However, carry out anti,floatingreinforcement transformation for the bottom plate of existing building, due to the limit of designrequirements or construction conditions, the mechanical equipment is generally required can beconstructed inside the building. Combined with the basement floating treatment and reinforcementmeasures of the building under construction, the technology of micropile is used. Practical engineeringapplication shows that, the micropile technology has good applicability for anti,floating repair for existingbuildings, another characteristic is high efficiency of accomplishing pile, and the quality is easy toguarantee.