MECHANICAL PROPERTY OF LIQUEFIED STABILIZED SOIL AND FUTURE ISSUES

Abstract

A Liquefied Stabilized Soil (LSS) was developed for an effective utilization of soil produced at a construction site in which a back filling soil for under ground structure cannot be compacted adequately. It is basic conception that an effect of cementation is expected by slurry soil, which have moderate flowability and no compaction, mixed with appropriate amout of cement. Recently, a recycling becomes the big stream of the times at the social level, LSS is using extensively in an urban area. In this paper, an experience of construction and trend of LSS is reviewed. The mechanical properties are discussed about LSS with low strength used as a back filling soil and LSS with high strength used in invert part of shield tunnel. The mechanical properties are discussed about LSS mixed with fiber reinforced material to increase the aseismatic performance. Finally, issues in the future of LSS are described.