PENGARUH PERSENTASE SERAT SABUT PINANG (Areca Catechu L.) TERHADAP SIFAT MEKANIK DAN FISIK PAPAN GIPSUM-BETON

yosi, sylvia (2017) PENGARUH PERSENTASE SERAT SABUT PINANG (Areca Catechu L.) TERHADAP SIFAT MEKANIK DAN FISIK PAPAN GIPSUM-BETON. D3 thesis, Universitas Andalas.

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Abstract

The research about the influence of the percentage of coir fiber areca nut (areca catechu L.) on the mechanical and physical quality of gypsum board-concrete. Mechanical and physical quality of the tested include flexural strength, compressive strength, density and water absorption. The instrument to compressive strength and flexural strength were measured using a Universal Testing Machine (UTM). The test results of gypsum-concrete flexural strength values obtained the highest percentage of fibers present in 1.5% that is equal to 1,944 kg/cm2. The compressive strength is highest in the percentage of fiber 1% that is equal to 76.36 kg/cm2. The lowest density for the percentage of fiber 1% is equal to 1.41 g/cm3. The value of the highest water absorption is also available on the percentage of fiber 1% is equal to 28.42% and the lowest water absorption of 23.51% found in the percentage of fiber 0%. keywords: gypsum board-concrete, coir fiber areca nut, compressive strength and flexural strength.

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