| 无填料振冲法加固粉细砂地基的试验研究及应用 |
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| 引用本文： | 戚秀莲,周健.无填料振冲法加固粉细砂地基的试验研究及应用[J].港工技术,2011(4):48-51,59. |
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| 作者姓名： | 戚秀莲 周健 |
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| 作者单位： | [1]上海同盛投资集团有限公司,上海200122 [2]同济大学地下建筑与工程系．上海200092,上海200122 |
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| 摘 要： | 结合上海洋山港区粉细砂地基的工程特性,通过对传统的振冲法地基加固工艺进行改进和优化,针对无填料振冲法加固饱和疏松粉细砂地基的有效性和相关工艺参数进行现场试验研究.局部试验和大范围地基加固实践证明,该方法加固地基的效果显著,加固后的粉细砂可达中密一密实状态.本试验的结论和实践成果可为在同类地基中推广无填料振冲法加固处理技...
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| 关 键 词： | 粉细砂 饱和 无填料振冲法 试验 施工工艺 |
Test Research and Application of Non-additional Backfill Material Vibroflotation Reinforcing for Silty and Fine-sand Foundation |
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| Qi Xiulian,Zhou Jian.Test Research and Application of Non-additional Backfill Material Vibroflotation Reinforcing for Silty and Fine-sand Foundation[J].Port Engineering Technology,2011(4):48-51,59. |
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| Authors: | Qi Xiulian Zhou Jian |
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| Institution: | 1.Shanghai Tongsheng Investment ( Group ) Co., Ltd., Shanghai 200122, China ;2. Geotechnical Engineering Department of Tongji University, Shanghai 200092, China) |
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| Abstract: | By combining with engineering characteristics of silty and fine-sand foundation in Yangshan Port Area of Shanghai Port, optimizing and improving traditional vibroflotation technology, on-site test and research are made for the effectiveness and related technology parameters of non-additional backfill material vibroflotation method which reinforces saturated loose silty and fine-sand foundation. According local test and long-range foundation reinforcement practice, it is verified that the above method is prominent of effectiveness in foundation reinforcement. The reinforced silty and fine-sand could reach medium density state, even densified state. The test conclusion and practice will afford the experience to apply the method in similar foundation reinforcement projects, and provide the reference for establishing or revising the related criteria. |
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| Keywords: | silty and fine-sand saturation non-additional backfill material vibroflotation method test construction technology |
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