| 真空预压加固吹填土地基对周边环境的影响 |
| |
| 引用本文： | 蔡南树,董志良,张功新,林军华.真空预压加固吹填土地基对周边环境的影响[J].中国港湾建设,2008(6). |
| |
| 作者姓名： | 蔡南树 董志良 张功新 林军华 |
| |
| 作者单位： | 1. 广州港集团南沙工程办公室,广东,广州,510700
2. 中交四航工程研究院有限公司,广东,广州,510230 |
| |
| 摘 要： | 为了研究真空预压加固吹填土地基对周边环境的影响,结合广州港南沙港区二期工程软基处理工程现场试验,综合分析了真空预压影响区的孔隙水压、地下水位、沉降和侧向变形等变化规律.分析结果表明,真空预压的影响距离达28～41 m,影响深度达24 m;真空预压对周围影响与地质条件等有较大的联系,影响区插设塑料排水板后,地表沉降和表层位移降低约2/3,侧向位移降低约1/3;影响区为已真空预压加固区时,影响区土体变形模量因固结而增大,刚度提高,侧向变形显著降低,约为未加固影响区的6%.
|
| 关 键 词： | 吹填土地基 软基处理 真空预压 环境影响 |
Influence of Improvement of Hydraulically Reclaimed Land by Vacuum Preloading Technique upon Surrounding Environment |
| |
| CAI Nan-shu,DONG Zhi-liang,ZHANG Gong-xin,LIN Jun-hua.Influence of Improvement of Hydraulically Reclaimed Land by Vacuum Preloading Technique upon Surrounding Environment[J].China Harbour Engineering,2008(6). |
| |
| Authors: | CAI Nan-shu DONG Zhi-liang ZHANG Gong-xin LIN Jun-hua |
| |
| Institution: | CAI Nan-shu1,DONG Zhi-liang2,ZHANG Gong-xin2,LIN Jun-hua2(1.Nansha Project Office of Guangzhou Port Group Co.,Ltd.,Guangzhou 510700,China,2.Engineering Institute Co.,Ltd.of CCCC Fourth Harbor Engineering Co.,Guangzhou 510230,China) |
| |
| Abstract: | To study the influence of improvement of hydraulically reclaimed land by the vacuum preloading technique upon the surrounding environment,the patterns of variation of pore water pressure,ground water level,settlement and lateral displacement in the area influenced by the vacuum preloading technique were comprehensively analyzed on the basis of the field tests and measurements made during the improvement of the soft soil for the second phase of Guangzhou Nansha Port.The results of analyses showed that the ra... |
| |
| Keywords: | hydraulically reclaimed land improvement of soft soil vacuum preloading impact on environment |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
