浅表层加固技术在新吹填淤泥地基处理中的应用  

Application of surface-layer improvement technology for newly-dredged sludge foundation treatment

作　　者：丁明武[1] 陈平山[1] 林涌潮[1] 

机构地区：[1]中交四航工程研究院有限公司,广东广州510230

出　　处：《水运工程》2011年第10期120-124,共5页Port & Waterway Engineering

摘　　要：浅表层加固技术是针对吹填淤泥极其软弱的特点,基于真空预压机理提出的一种新技术。针对温州某吹填及软基处理工程中吹填淤泥的物理力学特性、颗粒组成、矿物成分进行了分析,对加固过程中的真空度、沉降、孔压进行监测,卸载时进行了静力触探试验、钻孔取样和平板载荷试验。数据表明土体的加固效果很理想,达到设计要求。In view of the characteristics of the ultra-soft newly dredged sludge,we invented the surface-layer improvement technology based on the mechanism of vacuum preloading and applied to the soft ground treatment project of reclamation land in Wenzhou.The physical and mechanical properties,particle composition,mineral composition of the sludge are analyzed.The vacuum,settlement and pore pressure were monitored in the process of vacuum preloading.The cone penetration test,sampling by boreholing and flat load test were carried out during unloading.The data show that the reinforcing effect of the soil is ideal to meet the design requirements.

关 键 词：吹填淤泥 软基处理 浅层加固 真空预压 

分 类 号：TU472.99[建筑科学—结构工程]