本文论述桩基施工过程中对周边环境影响的预防措施 ,特别是消除沉桩挤土对毗邻建筑物基坑的有害影响。文中分析了这些影响产生的原因 ,并以实例和监测资料说明 ,采用本文建议的工程措施之后 ,可以预防上述不利影响因素 ,从而达到工程安全 ,快速和节省成本的目标 This article discusses the preventive measures on the surrounding environment in the process of pile foundation construction, especially the elimination of the detrimental effect of pile squeezing on the adjacent foundation pit. The paper analyzes the causes of these impacts, and illustrates with examples and monitoring data that the engineering measures recommended in this paper can prevent the above adverse factors and achieve the goal of safety, speed and cost savings