Engineering Properties of Soil Cement Mixed with Natural Rubber Latex
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Abstract
The objective of this research is to study engineering properties which are: compressive strength, elastic modulus, tensile strength, and flexural strength of laterite soil mixed with cement 5% by weight. The soil-cement sample were mixed with natural rubber latex at 0, 5, 10, 15 and 20 percent and cured at room temperature for 7 and 28 days. The results showed that the compressive strength showed that the compressive strength at 7 days tended to decrease continuously when the amount of natural rubber increased. The elastic modulus of soil-cement mixed with natural rubber tended to decrease with amount of natural rubber increased for both test samples at 7 days and at 28 days, indicating that the brittleness of the cement soil was reduced. The tensile strength of soil-cement at 7 days tended to decrease as the amount of natural rubber increased. while the 28-day aging test at 5% latex gave the highest tensile strength. The flexural strength of the soil-cement at the age of 7 and 28 days at 5% para rubber has provided highest flexural strength. After that the flexural strength will decrease as the amount of latex increases.
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