<![CDATA[Abstrak Beton merupakan material getas yang mempunyai kuat tekan tinggi, namun memiliki kuat tarik rendah. Kelemahan ini dapat diantisipasi dengan penggunaan serat sebagai micro reinforcement pada beton. Penelitian ini menguji karakteristik beton Self Compacting Concrtete (SCC) dengan campuran 5% Abu Sekam Padi (ASP) yang diberikan tambahan berbagai dosis serat limbah Scrap Baja, yaitu 0%, 0,25 %, 0,50 %, 0,75% , dan 1% dari berat beton. Pengujian Kuat Tekan, Kuat Tarik Belah, Tegangan-Regangan, dan Modulus Elastisitas dilakukan dengan menggunakan benda uji silinder beton diameter 15 cm, tinggi 30 cm. Sedangkan, Kuat Lentur beton diuji dengan benda uji balok berukuran 10 cm x 10 cm x 100 cm. Hasil penelitian menunjukkan bahwa penggunaan ASP sebesar 5% dan limbah serat baja sampai dengan 0,75% dapat meningkatkan Kuat Tekan, Kuat Lentur, Kuat Tarik, Modulus Elastisitas, dan Regangan maksimum pada beton. Kata kunci: Serat Limbah Scrap Baja, Abu Sekam Padi, Kuat Tekan, Kuat Lentur, Modulus Elastisitas Abstract Concrete is a brittle material with high compressive strength but low tensile strength. This weakness can be addressed by adding fibers as micro-reinforcement within the concrete mixing. This research investigates the characteristics of Self-Compacting Concrete (SCC) with a 5% Rice Husk Ash (RHA) mixture, supplemented by varying dosages of waste steel scrap fibers: 0%, 0.25%, 0.50%, 0.75%, and 1% of the concrete weight. Compressive Strength, Split Tensile Strength, Stress-strain behavior, and Modulus of Elasticity were tested using cylindrical concrete specimens with a diameter of 15 cm and a height of 30 cm. Additionally, the Flexural Strength of the concrete was evaluated using beam specimens 10 cm x 10 cm x 100 cm. The results indicate that the addition of 5% RHA and steel fiber waste up to 0.75% can significantly enhance the compressive strength, flexural strength, tensile strength, modulus of elasticity, and maximum strain of the concrete. Keywords: Fiber of streel scrap waste, Rice Husk Ash, Compressive Strength, Flexural Strength, Modulus of Elasticity]]>
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