Chapter 1

Cement/Lime Mixing Ground Improvement for Road Construction on Soft Ground

J.-C. Chai1; N. Miura2    1 Institute of Lowland Technology, Saga University, Saga, Japan2 Institute of Soft Ground Engineering, Co. Ltd., Saga, Japan


This chapter describes a road test section approximately 1 km long on soft Ariake clay deposit in Saga, Japan, with 10 different ground improvement methods. It also reports the field-monitored results on settlements during a period of more than 1 year and the deflection test results. Both the settlement and deflection test results indicate that for a low embankment (< 3.0 m) road, an increase in the strength/stiffness of base course and subgrade and/or an increase in the improvement depth of subgrade ...

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