Galih Prayogi, - (2023) PENGARUH TAMBAHAN SERAT SABUT KELAPA TERHADAP KUAT TEKAN DAN KUAT TARIK BELAH BETON. S1 thesis, Universitas Pendidikan Indonesia.
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Abstract
Beton ternyata memiliki kelemahan terhadap gaya tarik. Salah satu cara untuk memperbaiki kelemahan beton dalam kuat tarik adalah dengan penambahan serat pada adukan beton yang disebut beton serat. Penelitian ini adalah untuk mengetahui kuat tekan dan kuat tarik belah beton normal dengan penambahan serat sabut kelapa umur 7 hari, 14 hari dan 28 hari. Besarnya persentase penambahan serat sabut kelapa adalah 0,5%; 2,5%; 4,5%; 6,5%; dan 8,5% terhadap volume total beton. Pengujian kuat tekan dan kuat tarik belah beton menggunakan sampel silinder dengan diameter 10 cm dan tinggi 20 cm. Serat berupa sabut kelapa yang digunakan dengan panjang 30 mm. Nilai kuat tekan beton tanpa penambahan serat pada umur 28 hari sebesar 31,33 MPa, sedangkan beton dengan penambahan 0,5%; 2,5%; 4,5%; 6,5%; dan 8,5% serat sabut kelapa memperoleh nilai kuat tekan berturut-turut sebesar 33,05 MPa; 33,72 MPa; 24,46 MPa; 16,47 MPa; dan 9,23 MPa. Nilai kuat tarik belah beton tanpa penambahan serat pada umur 28 hari sebesar 2,835 MPa, sedangkan beton dengan penambahan 0,5%; 2,5%; 4,5%; 6,5%; dan 8,5% serat sabut kelapa memperoleh nilai kuat tarik belah berturut-turut sebesar 3,497 MPa; 3,754 MPa; 4,029 MPa; 3,345 MPa; dan 3,039 MPa, sedangkan nilai kuat tekan maksimum terjadi pada beton variasi 2,5% dengan penambahan serat sabut kelapa yaitu sebesar 33,05 MPa, sedangkan nilai kuat tarik belah maksimum terjadi pada beton variasi 4,5% dengan penambahan serat sabut kelapa yaitu sebesar 4,029 MPa. Hasil persamaan kuat tarik belah berdasarkan nilai kuat tekan beton pada persentase 0% mendapat 0,507√f'c sedangkan pada beton penambahan serat serabut kelapa pada 0,5%; 2,5%; 4,5%; 6,5%; dan 8,5% bertutur-turut sebesar 0,608√f'c; 0,646√f'c; 0,815√f'c 0,824√f'c 1,0004√f'c. Kata kunci: beton serat, serat sabut kelapa, kuat tekan, kuat tarik belah Concrete apparently has a weakness against tensile forces. One way to improve concrete's weakness in tensile strength is by adding fiber to the concrete mix which is called fiber concrete. This research was to determine the compressive strength and split tensile strength of normal concrete with the addition of coconut fiber aged 7 days, 14 days and 28 days. The percentage of additional coconut fiber fiber is 0.5%; 2.5%; 4.5%; 6.5%; and 8.5% of the total volume of concrete. Testing the compressive strength and split tensile strength of concrete used cylindrical samples with a diameter of 10 cm and a height of 20 cm. The fiber used is coconut fiber with a length of 30 mm. The compressive strength value of concrete without the addition of fiber at 28 days was 31.33 MPa, while concrete with the addition of 0.5%; 2.5%; 4.5%; 6.5%; and 8.5% coconut fiber obtained compressive strength values of 33.05 MPa respectively; 33.72 MPa; 24.46 MPa; 16.47 MPa; and 9.23 MPa. The split tensile strength value of concrete without the addition of fiber at 28 days was 2.835 MPa, while concrete with the addition of 0.5%; 2.5%; 4.5%; 6.5%; and 8.5% coconut fiber obtained split tensile strength values of 3.497 MPa respectively; 3,754 MPa; 4,029 MPa; 3,345 MPa; and 3.039 MPa, while the maximum compressive strength value occurs in the 2.5% variation concrete with the addition of coconut fiber fiber, namely 33.05 MPa, while the maximum split tensile strength value occurs in the 4.5% variation concrete with the addition of coconut fiber fiber, namely 4,029 MPa. The results of the split tensile strength equation based on the compressive strength value of concrete at a percentage of 0% were 0.507√f'c, while in concrete the addition of coconut fiber fiber was at 0.5%; 2.5%; 4.5%; 6.5%; and 8.5% respectively amounted to 0.608√f'c; 0.646√f'c; 0.815√f'c 0.824√f'c 1.0004√f'c. Key words: fiber concrete, coconut fiber, compressive strength, split tensile strength.
| Item Type: | Thesis (S1) |
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| Additional Information: | ID SINTA Dosen Pembimbing Istiqomah: 6000414 Ben Novarro Batubara: 6710018 |
| Subjects: | L Education > L Education (General) T Technology > TA Engineering (General). Civil engineering (General) |
| Divisions: | Fakultas Pendidikan Teknologi dan Kejuruan > Jurusan Pendidikan Teknik Sipil > Program Studi Teknik Sipil |
| Depositing User: | Galih Prayogi |
| Date Deposited: | 28 Feb 2024 08:30 |
| Last Modified: | 28 Feb 2024 08:30 |
| URI: | http://repository.upi.edu/id/eprint/115731 |
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