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PENGARUH SUBSTITUSI ABU SEKAM PADI PADA CAMPURAN MORTAR BETON

  • Bella Cintia Abelia Universitas Bina Darma
  • Firdaus Firdaus Universitas Bina Darma
Keywords: Rice Husk Ash, Mortar

Abstract

Mortar is a mortar consisting of fine aggregate (sand), adhesive (Portland cement) and
water. The function of mortar is as a binder that has a function as a binder. some ideas of
proposing alternative materials that are more environmentally friendly that seek to reduce the
cement content in mortar to materials that are no longer used in agriculture, one of which is
rice husk. Rice husk is waste from rice milling, rice husk that has been burned contains silica
(SiO2) and calcium hydroxide (Ca(OH)2). The addition of rice husk ash in a certain
percentage can increase the strength of cement mortar. The burning of husk waste is very
useful for increasing the strength of mortar which has pozzolanic properties and contains
silica when it is burned at a temperature of 500- 700ºC. The purpose of this study was to
analyze the effect of husk ash on the compressive strength of mortar and find out the results of
testing the compressive strength of rice husk ash 0%, 5%, 10%, 15%, 20%, and 25% at the age
of 14 and 28 days as well as a mixture of husk ash. optimum for mortar compressive strength.
This research uses an experimental method by connecting variables using a destructive method
. The result of this study is that the more addition of rice husk ash used, there will be a decrease
in the compressive strength of the mortar.

Author Biographies

Bella Cintia Abelia, Universitas Bina Darma

teknik sipil

Firdaus Firdaus, Universitas Bina Darma

teknik sipil

Published
2022-12-10