Relationship between Liquidity Index and Unconfined Compressive Strength of Stabilized Silt

Yahaya, Nur Hidayah; Rashid, Ahmad Safuan A.; Yaacob, Haryati; Noor, Norhazilan Md
May 2013
Journal of Applied Sciences Research;2013, Vol. 9 Issue 5, p3288
Academic Journal
This paper presents the relationship between Liquidity Index (LI) and Unconfined Compressive Strength (UCS)of stabilized silt from Kluang district, Johor in Malaysia for the subgrade application. In this research, a number of 9 samples of soil cement were prepared under various cement and moisture content in 7-days curing period. Ordinary Portland Cement (OPC) of 7% and 13% was added to the silt under different moisture contents based on Optimum Moisture Content (OMC) obtained from compaction test in order to investigate the effect of moisture content to the compaction characteristic and UCS. The result from compaction test shows that the highest maximum dry density (MDD) was recorded at 13% of cement content. The compressive strength tends to increase as the cement content increases. The strength reached a minimum value of subgrade design strength for a low volume road (0.8MPa) when the range of the LI is -2.5 and -2.3 at 7% cement content.


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