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All Journal Inersia : Jurnal Teknik Sipil
Syahwati, Manis
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Civil Engineering, Building, Construction & Architecture

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PENGARUH VARIASI PERSENTASE BUBUK CANGKANG TELUR (BCT) SEBAGAI BAHAN PENAMBAH SEMEN TERHADAP KUAT TEKAN DAN ABSORPSI MORTAR Syahwati, Manis; Wahyuni, Ade Sri
Inersia: Jurnal Teknik Sipil Vol. 11 No. 1 (2019)
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (168.644 KB) | DOI: 10.33369/ijts.11.1.27-32

Abstract

Eggshell powder is obtained from crushed dried eggshell waste. Egg shells contain 97% calcium carbonate. The large calcium content has the potential to be used in cement. This study aims to determine the compressive strength and absorption of mortar by adding 2,5% to 15% eggshell powder with a range of 2,5%. The method of manufacture and test compressive strength and absorption of the mortar refers to SNI 03-6825-2002 and SNI 15-2049-2004. The total of mortar cubes are 84 pieces with dimensions 50 mm. Each variation has 8 mortar cubes for compressive strength and 4 mortar cubes for absorption. The range of initial flow values used are 105%-115%. Mortar cubes soaked for 26 days and test of mortar conducted at 28 days. The highest value of mortar compressive strength occurred in addition 12,5% eggshell powder (13,49 Mpa) with increased percentage of 22,04% from the normal mortar. The smallest value of mortar absorption occurred in addition 12,5% eggshell powder (8,76%).
Co-Authors Wahyuni, Ade Sri