MICROSTRUCTURE OF CEMENT STABILIZED SOIL AFFECTED BY OVERBURDEN PRESSURE DURING CURING PROCESS

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  • 養生時に上載圧の影響を受けたセメント安定処理土の微細構造

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Microstructure of cement treated soil cured under an overburden pressure was observed and estimated using a scanning electron microscopy and a mercury intrusion porosimeter, respectively. The results revealed that total void volume of a specimen decreased with increasing the overburden pressure whereas the pore size and volume relation changed hardly. Also, cement hydrates in the specimen were identified and evaluated by X ray diffraction and ignition loss test, respectively. The effect of overburden pressure was not recognized in the composition and content of cement hydrates. The cementation property developing in consolidation and curing processes was not affected by the applying overburden pressure.

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