偃师特大桥湿陷性黄土地基处理

Treatment for Collapsible Loess Foundation of Yanshi Extra Large Bridge

针对湿陷性黄土的特殊性质,阐述了湿陷性机理和工程危害。根据偃师特大桥桥址的工程地质条件,结合上部结构的形式和受力特点,参考已有的湿陷性黄土地基处理方法,介绍了偃师特大桥湿陷性黄土地基的桩基处理措施。

According to the special properties of collapsible loess,the mechanism of collapsible loess and its engineering hazard are expounded in this paper.On the basis of the geological conditions of Yanshi extra large bridge,combing with the style and the loads of the upper structure,referring to the existing treatment methods of collapsible loess foundation,the pile treatment for collapsible loess foundation of Yanshi extra large bridge is introduced.