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首页> 外文会议>Proceedings of 2009 international symposium on risk control and managment of design, construction and operation in underground engineering >Numerical Analysis of Subgrade Settlement with CFG Pile Foundation
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Numerical Analysis of Subgrade Settlement with CFG Pile Foundation

机译：CFG桩基础路基沉降的数值分析

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摘要

With the passenger volume growing and high-speed railway technology developing, ballastless tracks are widely applied in high-speed railway in China. This demands that the settlement of subgrade be controlled more strictly. Otherwise, the safety and travelling comfort can not be met while running in high speed. Cement-Flyash-Gravel (CFG) pile is a widely used ground improvement technique. This study presents a numerical simulation of CFG treatment for Wuhan-Guangzhou ballastless passenger railway line. Furthermore, the dynamic consolidation treatment is also simulated. Comparing the results of these two methods, it can be concluded that the CFG pile treatment is more suitable to the geology of this project.
机译：随着客运量的增长和高铁技术的发展，无ball轨道在中国高铁中得到了广泛的应用。这就要求更加严格地控制路基的沉降。否则，在高速行驶时将无法满足安全性和行驶舒适性。水泥粉煤灰碎石（CFG）桩是一种广泛使用的地面改良技术。本研究提供了武广客运专线CFG处理的数值模拟。此外，还模拟了动态固结处理。比较这两种方法的结果，可以得出结论，CFG桩处理更适合该项目的地质情况。

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