低液限粉土质砂水泥土在路床填筑工程中的应用

Application of Silty Sand with Low Liquid Limit in Roadbed Filling Engineering

针对低液限粉土质砂不能直接应用于路基填料的问题,阐述了基于津石高速公路工程实例采用物理改良的方法对低液限粉土质砂掺配粉质黏土进行的改良优化研究。通过施工过程的质量控制,在保证质量的前提下,大幅度降低了成本,保证了施工顺利完成,有效降低了对自然资源的破坏程度,有利于自然生态环境的保护,所取得的经验可为今后类似工程借鉴。

In view of the fact that low liquid limit silty sand can not be directly used as subgrade filling material,this paper expounds the improvement and optimization study on low liquid limit silty sand mixed with silty clay by physical improvement method based on the example of Jinshi Expressway Project.Through quality control during construction,the cost is greatly reduced,construction is smoothly completed,damage to natural resources is effectively reduced and the natural ecological environment is protected on the premise that construction quality is guaranteed.Engineering experience obtained can be referenced by similar projects in future.