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There are more than 55 kilometers subgrade in NGZQ-5 section of Nanning-Guangzhou high-speed railway passenger dedicated line. A large number of filling material along the construction section is high expansive clay soil, and it must be improved by physical or chemical methods. The liquid and plastic limits, expansibility, mechanical strength and water stability of expansive soil is studied. The results...
The maximum filling height of embankment (ie, the limit filling) is an imprtant problem of the design and construction when embankment filling on a certain slope of expansion soil. Currently, some disposal of non-expansion soil foundation are often applied to the engineering design and construction of expansion soil foundation. However, because of the complicated nature of expansive soil, some engineering...
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