Penggunaan Abu Batu dan Abu Sekam Padi Sebagai Bahan Substitusi Agregat Halus pada Beton Normal
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
Prasetyo, Febrian Budi
Sofyan, Muhammad
Sofyan, Muhammad
Subject
Teknik Sipil
Datestamp
2022-10-06 01:23:36
Abstract :
Along with the increase in infrastructure development in Indonesia, it is very important to maintain the availability of materials for infrastructure development such as buildings, roads, dams, airports and others that require concrete in their construction. Besides that, there are many residual materials or waste that cannot be utilized. Like stone dush and rice husk ash. This study aims to determine the effect of using stone dush and husk ash as a substitute for fine aggregate in normal concrete. The sample used is a cylindrical size 15 x 30 cm. The planned concrete quality is f?c 21 MPa with the addition of 5% stone dush and 2.5%, 5%, 7.5%, and 10% of rice husk ash from the weight of fine aggregate (sand). From this research, it was found that the highest compressive strength was found in the variation of stone dush 5% + rice husk ash 2,5% with a compressive strength of 22,268 MPa, an increase of 5,08% from normal concrete, slump test value of 9,3 cm, and concrete absorption of 3,711%. And the lowest compressive strength is found in the variation of stone dush 5% + rice husk ash 10% with a compressive strength of 20,098 MPa, decreased of 5,16% from normal concrete, a slump test value of 7 cm, and a concrete absorption of 6,310%.
Along with the increase in infrastructure development in Indonesia, it is very important to maintain the availability of materials for infrastructure development such as buildings, roads, dams, airports and others that require concrete in their construction. Besides that, there are many residual materials or waste that cannot be utilized. Like stone dush and rice husk ash. This study aims to determine the effect of using stone dush and husk ash as a substitute for fine aggregate in normal concrete. The sample used is a cylindrical size 15 x 30 cm. The planned concrete quality is f?c 21 MPa with the addition of 5% stone dush and 2.5%, 5%, 7.5%, and 10% of rice husk ash from the weight of fine aggregate (sand). From this research, it was found that the highest compressive strength was found in the variation of stone dush 5% + rice husk ash 2,5% with a compressive strength of 22,268 MPa, an increase of 5,08% from normal concrete, slump test value of 9,3 cm, and concrete absorption of 3,711%. And the lowest compressive strength is found in the variation of stone dush 5% + rice husk ash 10% with a compressive strength of 20,098 MPa, decreased of 5,16% from normal concrete, a slump test value of 7 cm, and a concrete absorption of 6,310%.
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