干拌水泥碎石桩路基加固技术

Technology of Dry Mix Cement Gravel Pile Reinforced Embankment

通过实例分析对运用干拌水泥碎石桩技术来加固路基的理论和方法进行了研究。以某高速公路作为主体研究对象,在对案例进行了详实、充分分析的基础上,结合已经成功的工程案例,逐步对路基加固设计方法进行了完善,明确了运用干拌水泥碎石桩来加固路基的设计方案。并从实际出发,根据提出的设计理论与方法,在加强路基土回弹模量的同时降低了路基的强度,提出了在技术、经济方面合理的措施,为今后干拌水泥碎石桩路基加固技术的广泛应用提供了理论依据。

The theory and methods of dry mix cement stone pile technique to reinforce roadbed is studied. Taking an expressway as the main object of study, on the basis of a full analysis of the case, combining with the project that has been successfully completed, the design methods of the embankment reinforcement are improved, the design scheme of using dry mix cement gravel pile to reinforce subgrade is determined. And from reality, according to the design theory and methods proposed in strengthening the resilience modulus of subgrade soil while reducing the strength of the subgrade, reasonable measures are proposed in the technical and economic aspects. It can provide a theoretical basis for wide use of dry mix cement gravel pile embankment reinforcement technology in future.