摘要
结合上海市某重点工程,基于吹填粉细砂的工程特性,通过现场试验探索出振冲工艺的主要设计和施工参数,对深度15m以上的饱和疏松粉细砂地基采用振冲加固的有效性进行了现场试验研究。结果证明,振冲法加固饱和疏松粉细砂地基效果显著。试验为振冲法在类似地基中的推广及相应规范的制定和修改提供了一些成功的经验。
Vibroflotation compaction is a comparably mature method for the improvement of cohesiveless soils,but it is seldom used to strengthen loose silty fine sands,especially for depth over 15m.By means of innovative and modified construction techniques and parameters,the effectiveness of vibroflotation compaction of loose silty fine sands as well as related technical parameters are investigated. Based on the successful in-situ test in Shanghai,it is verified that vibroflotation compaction is significantly efficient in strengthening loose silty fine sands with the new techniques and special construction process.
出处
《勘察科学技术》
2005年第1期3-5,57,共4页
Site Investigation Science and Technology
