Journal
JOURNAL OF MATERIALS IN CIVIL ENGINEERING
Volume 18, Issue 2, Pages 161-174Publisher
ASCE-AMER SOC CIVIL ENGINEERS
DOI: 10.1061/(ASCE)0899-1561(2006)18:2(161)
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This paper examines the compressibility and strength characteristics of high water content cement-admixed clay in deep mixing applications. During curing time, both cement content and total clay water content of the clay-water-cement mixture significantly affect the strength and compressibility of the resulting stabilized clay. To ensure optimum improvement, the selection of an appropriate total clay water content for a mixture with a certain cement content is crucial. Furthermore, the fundamental parameters such as the ratio of after-curing void ratio (e,) and cement content (A,,,) have been found sufficient to characterize the strength and compressibility of cement-admixed clay. The results of unconfined compression and consolidated-undrained tests have proven that the ratio e(ol)/A(w) combines to-ether the influences of clay water content, cement content, and curing time as well as curing pressure on the strength of cement-admixed clay. In addition, useful empirical relationships on deep mixing application are presented.
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