The Effect of Adding Sugarcane Bagasse Ash on Water Absorption, Compressive Strength, and Fracture of Concrete Blocks

  • Marjuki Marjuki Universitas Tanjungpura
  • Asifa Asri Universitas Tanjungpura
  • Dwiria Wahyuni Universitas Tanjungpura

Abstract

Concrete block is a material that can be strengthened by utilizing silica from natural materials such as bagasse. Silica (SiO2) in bagasse can be enriched through a high-temperature combustion process. This study aims to see the effect of adding bagasse ash (AAT) as a filler on water absorption, compressive and fracture strength of concrete blocks. Bagasse is first burned in a drum at a temperature of 320 ? for 1 hour. The results of the burning of bagasse are sieved using 50 and 150 mesh sieves, then characterized using XRF. The results of the study obtained a silica content of 30%, the highest water absorption of 10.6% in bricks without the addition of AAT and the lowest in bricks with the addition of 150 mesh AAT, which is 7.66%. Concrete blocks with AAT size 150 mesh have the highest density, compressive and fracture strength of 2079.99 kg/m3, 6.448 MPa, and 1.372 MPa. The concrete blocks with the addition of AAT improved in mechanical properties compared to bricks without AAT.

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Published
2025-05-31
How to Cite
MARJUKI, Marjuki; ASRI, Asifa; WAHYUNI, Dwiria. The Effect of Adding Sugarcane Bagasse Ash on Water Absorption, Compressive Strength, and Fracture of Concrete Blocks. BULETIN FISIKA, [S.l.], v. 26, n. 1, p. 133 – 139, may 2025. ISSN 2580-9733. Available at: <https://ojs.unud.ac.id/index.php/buletinfisika/article/view/126574>. Date accessed: 01 aug. 2025.
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