Antas, Yohanesius (2023) Pengaruh Distribusi Serat Baja Galvanized terhadap Kuat Lentur dan Kuat Geser Balok Beton Non Pasir Berserat Baja Galvanized. Undergraduate thesis, Fakultas Teknik Universitas Merdeka Malang.

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Abstract

Non-sand concrete is a simple form of lightweight concrete that does not use fine aggregate (sand) in its manufacture. This study aims to determine the effect of galvanized steel fiber distribution on the flexural and shear strength of non-sand concrete beams with galvanized steel fiber. The study consisted of testing 15 beams measuring 15 × 15 × 70 cm. The size of galvanized steel fiber is 20 mm with a constant fiber content of 5% by weight of cement. fiber distribution variations are 1⁄4 Hb, 1⁄2 Hb, 3⁄4 Hb, and Hb. Testing based on ASTM C-78/C78M standard test method for flexural strength of concrete. Testing the flexural strength and shear strength of non-sand concrete beams was carried out at the age of 28 days, using a Hydraulic Concrete Beam Testing machine with a capacity of 100 Kn. The highest results of the flexural strength and shear strength tests were found in the 1⁄2 Hb fiber distribution variation with a flexural strength and shear strength of 3.230 Mpa and 0.606 Mpa, respectively. While the lowest results of flexural strength and shear strength testing are found in the 1⁄4 Hb fiber distribution variation with a flexural strength and shear strength value of 2.193 Mpa and 0.411 Mpa, respectively.

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