Perbadingan Penggunaan Abu Batu Madura Dan Abu Batu Jawa Pada Campuran Mortar
Abstract
Mortar is a mixture consisting of sand, adhesive and water and stirred until homogeneous. As long as the main material used in making mortar is sand, so an alternative is needed as a substitute for the main material for making mortar in order to increase the quality of the mortar. In this study, two types of rock ash will be used as a substitute for sand, namely Java and Madura rock ash with a ratio of 1: 3, 1: 4 and 1: 5 respectively.After testing at the age of 3, 7 and 8 days, the compressive strength values are obtained. Javanese stone ash mortar with a variation of 1: 3 - each age of 8.975 MPa, 16.971 MPa and 29.127 MPa. Variations 1: 4 for each age of 6.005 MPa, 12.675 MPa and 25.374 MPa. 1: 5 variations of each age of 5.32 MPa, 10.182 MPa and 23.171 MPa. Meanwhile, the mortar press test for Madura rock ash with 1: 3 variation at each age of 6,592 Mpa, 13,417 Mpa and 26,109 Mpa. 1: 4 variation at each age of 5,581 MPa, 11,667 MPa and 22,111 MPa. 1: 5 variation at each age of 3.068 Mpa, amounting to 6,523 Mpa and that is 12.728 Mpa.
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