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Amalia
Politeknik Negeri Jakarta
Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Mechanical Engineering

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INOVASI ECO GREEN CONCRETE DENGAN PEMANFAATAN LIMBAH SAW, LIMBAH BETON, LIMBAH KERAMIK, DAN LIMBAH KARET SEBAGAI SUBSTITUSI AGREGAT Lilis Tiyani; Amalia; Sukarman; Afrizal Nursin; Muhtarom Riyadi
Jurnal Ilmiah Teknologi Infomasi Terapan Vol. 11 No. 1 (2024)
Publisher : Universitas Widyatama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33197/jitter.vol11.iss1.2024.2327

Abstract

Eco-green concrete emerged as an environmentally friendly solution using waste or leftover materials from various industries. One of them is the replacement of concrete constituent aggregates with materials that do not damage the environment. In this study, Eco Green Concrete innovation was made with a mixture of Submerged Arc Welding (SAW) which is the residual result of the steel welding process, concrete waste, ceramic waste which is substituted for coarse aggregate and rubber waste which is also substituted for fine aggregate with a percentage of 20% SAW waste, 20% concrete waste, 10% ceramic waste, and 8% rubber waste. The purpose of Eco Green Concrete innovation research is to determine the compressive strength of concrete and is expected to affect the estimation of more economical project costs but the quality of concrete used remains quality and environmentally friendly. The research was conducted experimentally by making concrete test objects that were tested for compressive strength at the age of 7, 14, and 28 days, 28-day split tensile strength test and 28-day bending test. Based on the compressive strength test, the results of the 28-day compressive strength test of concrete without innovation were 34.74 Mpa and 33.92 Mpa of innovation concrete. The results of the split tensile strength test of concrete without innovation amounted to 3.87 Mpa and 3.95 Mpa innovation concrete. The results of testing the flexural strength of concrete without innovation amounted to 4.83 Mpa and concrete innovation amounted to 5.22 Mpa. Keywords : concrete, substitution, waste
Self Compacting Concrete dengan Serat Limbah Scrap Baja dan Abu Sekam Padi Amalia; Lilis Tiyani; Yanuar Setiawan; Johan Lautan Wijaya Nusantara
Teras Jurnal : Jurnal Teknik Sipil Vol. 15 No. 2 (2025): Teras Jurnal (September)
Publisher : UNIVERSITAS MALIKUSSALEH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/tj.v15i2.1295

Abstract

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
Co-Authors Afrizal Nursin Johan Lautan Wijaya Nusantara Lilis Tiyani Muhtarom Riyadi Sukarman Sukarman Yanuar Setiawan