Abstract
This paper explores the foundation reinforcement and tilt correction of a high-rise residential building in northern China. Based on third-party monitoring data, the author looked for the causes of the settlement and tilt of the target building, which is built on weathered rock, and decided to underpin the foundation with cast-in-place (CIP) piles. The underpinning was implemented with down-the-hole (DTH) hammer and post-grouting. The reinforcement effect of our method was evaluated against the monitoring data. The results show that our method can effectively control the late settlement and tilt of the building through a simple and cost-effective procedure. The research findings provide reference for foundation reinforcement and tilt correction of high-rise building in similar geological conditions.
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