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(1 中國建筑設(shè)計(jì)研究院，北京 100044； 2 西藏自治區(qū)建筑勘察設(shè)計(jì)院，拉薩 850000)

［摘要］西藏拉薩地區(qū)的地層沉積年代新、比較疏松且地層變化大，振沖法具有很強(qiáng)適用性。以一個(gè)具體工程的地基處理為例，分析了振沖法在技術(shù)、工期和經(jīng)濟(jì)上的優(yōu)點(diǎn)，實(shí)例表明，振沖法可在該地區(qū)類似場地地基上使用。

［關(guān)鍵詞］地基；振沖法；軟土；地基處理

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