Kajian Penggunaan Potongan Ban Bekas Terhadap Kuat Tekan Beton

  • Winansa F
  • Setiawan A
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Abstract

Concrete is a material that is widely used in a building construction. Concrete has several properties including easy to cast and has a high compressive strength. Concrete mixed with scrap used tires is expected to reduce the density of concrete and increase the compressive strength and tensile of the concrete. Waste of used tire material is very easy to find, but this material is difficult to decompose naturally. This study aims to find the amount of concrete compressive strength by adding scrap of used tires as a partial substitution of coarse aggregates on concrete. Test specimens are cylinders with a diameter of 15 cm and a height of 30 cm with variations in the addition of tires by 5%, 10%, and 15% of the volume of coarse aggregate. The target of concrete quality is K-250 (f 'c = 20.75 MPa) at the age of 28 days. The test results for 5% of tires produced 138.71 kg / cm 2 , for 10% the tires produced 108.25 kg / cm 2 , and for 15% the tires produced 84.37 kg / cm 2. The decrease in the weight of the concrete which is for the 5% mixture is 4.33% of the normal weight, for 10% at 6.51% of the normal weight and for 15% the weight of the concrete decreases by 5,44% from the normal weight. Abstrak : Beton adalah material yang banyak digunakan dalam suatu konstruksi bangunan. Beton memiliki beberapa sifat antara lain mudah untuk dicetak serta memiliki kuat tekan yang tinggi. Beton yang dicampur dengan potongan ban bekas diharapkan mampu mengurangi berat jenis beton serta menambah kuat tekan dan tarik beton. Limbah bahan ban bekas sangatlah mudah ditemukan, namun bahan ini susah terurai secara alami. Penelitian ini bertujuan untuk mencari besarnya kuat tekan beton dengan penambahan potongan ban bekas sebagai pengganti sebagian dari agregat kasar pada beton. Benda uji berupa silinder berdiameter 15 cm dan tinggi 30 cm dengan variasi penambahan ban sebesar 5% , 10%, dan 15% dari volume agregat kasar. Mutu beton rencana yaitu K-250 (f ' c = 20,75 MPa) pada umur 28 hari. Hasil pengujian untuk 5% ban menghasilkan 138,71 kg/cm 2 , untuk 10% ban menghasilkan 108,25 kg/cm 2 , dan untuk 15% ban menghasilkan 84,37 kg/cm 2. Penurunan berat beton yaitu untuk campuran 5% adalah 4,33% dari berat normal, untuk 10% sebesar 6,51% dari berat normal dan untuk 15% berat beton turun sebesar 5,44 % dari berat normal. Kata Kunci : beton, kuat tarik, kuat tekan, potongan ban bekas

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APA

Winansa, F. A., & Setiawan, A. A. (2019). Kajian Penggunaan Potongan Ban Bekas Terhadap Kuat Tekan Beton. WIDYAKALA JOURNAL, 6, 1. https://doi.org/10.36262/widyakala.v6i0.158

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