ソイルセメントコラムの強度予測に関する研究(第1報)

概要

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The unconfined compressive strength of soil-cement specimens are examined. This soilcement contain normal portland cement or a cement-hardening agent additive. 300 kg portland cement and 350 kg cement-hardening agent are contained in 1m^3 of soil, respectively. Soil, water and these two hardening agents, portland cement and a cementhardening agent additive, are mixed in the mortal mixer for ten minutes with the pre-fixed water-cement ratio, and this mixture are packed in the cylinder molds (5cm dia. ×10cm height). This specimens were left undisturbed in the laboratory for 3 days, and also left under water of 20±3℃ for 25 days. Then the unconfined compressive strength of this specimens, age 28 days, are examined. This experiment shows that linear relationship exists between the unconfined compressive strength, water-cement ratio and density of the soil-cement specimens. We also found that the density of soil-cement is affected by the wet density of soil and the amount of water in the mixture.
東海大学の論文