公路工程软土路基加固处理技术

Reinforcement Treatment Technology of Soft Soil Subgrade for Highway

为满足在软土地区修建公路的需求,产生了多种软土路基加固处理技术。该研究总结了常用的软土路基加固处理技术,并从适用土体、最大处理深度、工期、成本等方面对不同加固处理技术进行了对比分析。分析表明,水泥搅拌桩法、碎石桩法、土工合成材料法和袋装砂井排水法适用范围广,且工艺上也较容易实现;从效率和成本方面考虑,强夯法和置换法是不错的选择。

In order to meet the needs of constructing highways in some soft soil areas,a variety of soft soil roadbed reinforcement treatment technologies have been developed.This study summarized the commonly used soft soil roadbed reinforcement treatment technologies,and compared and analyzed them from the aspects of applicable soil,maximum treatment depth,construction period and cost,etc.Results showed that the cement mixing pile method,the crushed stone pile method,geosynthetic material method and bagged sand well drainage method have a wide range of applications and are relatively easy to implement in terms of technology.In terms of efficiency and cost,the dynamic compaction method and replacement method are two good choices.