Abstract

Soft soil is widely distributed in the world. With the increase in construction of highways and railways on soft soil, the treatment of soft soil subgrade is becoming more and more extensive. Based on the reinforcement effects of glass fiber, the possibility of applying glass fiber to strengthen soft soil subgrade is discussed in this paper. More than 100 groups of cement soil samples' laboratory testing results are presented and compared. The analysis of test results indicates that glass fiber mixed in cement soil can improve the strength and deformation characteristic of cement soil in a certain degree. It could also be used as a possible replacement of soft soil subgrade. The findings are a new contribution to the soft soil subgrade treatment techniques.

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