(1 中国建筑设计研究院，北京 100044； 2 西藏自治区建筑勘察设计院，拉萨 850000)

［摘要］西藏拉萨地区的地层沉积年代新、比较疏松且地层变化大，振冲法具有很强适用性。以一个具体工程的地基处理为例，分析了振冲法在技术、工期和经济上的优点，实例表明，振冲法可在该地区类似场地地基上使用。

［关键词］地基；振冲法；软土；地基处理

Vibroflotation-foundation treatment of soft soil for a residential project in Lhasa

Liu Lianrong¹, Chen Jichang², Yuan Xiaoping², Liu Daohong²(1 China Architeeture Design & Research Group, Beijing 100044, China； 2 Tibet Institute for Architectural Designing and Prospecting, Lhasa 850000, China)

Abstract:According to the younger geologic time, soft soil and large change in the peculiarities in Lhasa, vibroflotation has strong applicability. The advantage of vibroflotation about technique, construction period and economic performance was analyzed through a project, which would have certain reference for projects in similar places.

Keywords:foundation; vibroflotation; soft soil; foundation treatment