KARAKTERISTIK MORTAR PADA LIMBAH ABU KELAPA SAWIT
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Date
2013-07-05
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Abstract
The effect of oil palm ash on strong press and water rates in the mortar has been
investigated. The characteristics of oil palm ash mortar materials were analyzed
physically and mechanically. The oil palm ash on the mortar consists of some variations
of compositions, 0%, 7%, 14%, 21%, 28% and 35% from weight of cement, with a
cubeshape test object size of 5 × 5 × 5 cm, done at test object for 28 days, the tool used
in the compressive strength mortar testing is Material Equipment Testing (MET). Based
on the results obtained, the highest hardness values is 3,15 × 107 N/m2 with palm ash
variation 0% and 2,33 × 107 N/m2 the lowest hardness value with 35% ash variations.
The highest water rate in normal mortar (0% oil palm ash) is 5,72% and at variation of
compositions 7% to 35%, the water rates are 6,36% - 12,62%. The result of mortar
hardness measured decreased while the water rate increased with the addition of palm
ash.
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Keywords
hardness, mortar, palm ash