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高速公路软基处理要解决的主要问题是路基稳定和工后沉降问题,处理的目的是提高地基承载力和减少地基沉降。荆东高速公路全长58.4 km,软基路段约长27 km,占整个工程近1/2的长度。以控制路基稳定和工后沉降为原则,根据各路段软基土实际结构力学性质来采取不同的处理措施,取得了较为满意的效果,其处理软基的经验与措施可为国内外相关工程参考。
The main problems to be solved in highway soft foundation treatment are the roadbed stability and post-construction settlement. The purpose of the treatment is to improve the bearing capacity of foundation and reduce the settlement of foundation. Jingdong Expressway is 58.4 km long in total length, about 27 km long in soft ground section, accounting for nearly 1/2 of the entire project length. Based on the principle of controlling subgrade stability and post-construction settlement, different treatment measures are taken according to the actual structural mechanics properties of soft soil soils. Satisfactory results have been obtained. The experiences and measures of soft foundation treatment can be referred to as domestic and foreign related projects .