Also, as the cyclic loading effects of the train to the subgrade, the improved subgrade needs to possess quality dynamic characteristics.
由于列车对路基的循环荷载作用，因此改良后的路基还要有优良的动力学特性。
The cement improved soil is a kind of important fill material used widely in construction of railway subgrade.
水泥改良土是高速铁路路基工程中广泛使用的一种重要填料。
The problem of improved soil is important for high-speed railway subgrade.
改良土问题是高速铁路路基的重要内容。
The results of plate loading test and low strain dynamic testing show that the quality of CFG pile composite foundation is good and subgrade bearing capacity has been improved successfully.
现场载荷试验及反射波法低应变动力检测试验表明，CFG桩桩身完整性很好，复合地基的承载力提高显著，证明该工程的CFG桩复合地基设计及施工是成功的。
This paper deals with the application of the improved gray theory to the prediction of subgrade settlement and improvement of equally spaced gray model GM (1.1).
讨论了灰色系统理论在路基沉降预测中的应用，并对等间隔的灰色模型GM（1，1）进行了改进，建立了任意间隔的非时序改进灰色模型。
This paper deals with the application of the improved gray theory to the prediction of subgrade settlement and improvement of equally spaced gray model GM (1.1).
讨论了灰色系统理论在路基沉降预测中的应用，并对等间隔的灰色模型GM（1，1）进行了改进，建立了任意间隔的非时序改进灰色模型。
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