Compressibility Behaviour of Borneo Tropical Peat Stabilized with Lime-Sand Column

Jodin Makinda, Lillian Gungat, N.S.V Kameswara Rao, Solomon Sulis


Construction on peat soils can have two alternatives, either to excavate and replace the weak soil or to improve the soil strength using soil stabilizers such as lime and other ground improvement method such as soil column. This paper studies the properties of Borneo tropical peat soil and the effect of lime-sand-column to the value of the void ratio, the coefficient of consolidation, volume compressibility, and compressibility of the stabilized soil. After the engineering properties of the peat were determined, consolidation test was performed to observe the effect of the lime-sand column for 1 and 3 curing days with lime percentages of 3 and 6% lime. Tests were then repeated using a different number of lime-sand column. It was observed that the compressibility of the peat soil was reduced using a longer period of curing, a higher percentage of lime, and a higher number of sand columns.


Soil stabilisation; Borneo peat; lime column; sand column; compressibility

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Published by INSIGHT - Indonesian Society for Knowledge and Human Development