セメント安定処理土の強度変形特性

Abstract

In construction work on soft soil, the design and evaluation of the soil improvement effect are important. This paper describes the strength deformation characteristics of cement stabilized soils with a wide range of water to cement weight ratios (W/C ratio) and soil to cement weight ratios (S/C ratio). The effects of mix proportion conditions and curing time on stress-strain behavior of cement stabilized soils are shown quantitativcly. The unconfined compressive strength of cement stabilized soils can be represented as a hyperbolic relationship between unconfined compressive strength and curing time. Increasing S/C ratio and decreasing W/C ratio lead to increases instrength and stiffness. Several empirical relationships between unconfined compressive streength and curing time have been also developed.