PENGARUH VARIASI KOMPOSISI DAN UKURAN BUTIRAN PASIR MERAH LABUHAN BATU SELATAN UNTUK MENINGKATKAN KUAT TEKAN BETON MUTU K-350

Auliya, Riza (2021) PENGARUH VARIASI KOMPOSISI DAN UKURAN BUTIRAN PASIR MERAH LABUHAN BATU SELATAN UNTUK MENINGKATKAN KUAT TEKAN BETON MUTU K-350. Undergraduate thesis, UNIMED.

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Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh variasi komposisi dan ukuran butiran pasir merah terhadap peningkatan kuat tekan beton mutu K-350. Beton dibuat dalam bentuk kubus berukuran 15 cm x 15 cm x 15 cm dengan standar mutu K-350. Penelitian ini dibuat dengan variasi komposisi pasir merah (0, 2, 4, 6)% dan ukuran butir (80, 100, 120) mesh. Pembukaan cetakan beton dilakukan setelah beton berumur 24 jam dan dirawat selama 28 hari. Setelah melalui 28 hari perawatan, beton diuji menggunakan metode uji serap air, uji kuat tekan, uji XRD, dan uji SEM. Dari hasil pengujian diperoleh kuat tekan beton maksimum pada ukuran butir 120 mesh dengan komposisi 6% dengan nilai 35,27 MPa. Dari hasil uji daya serap air didapatkan adanya penurunan berturut-turut pada komposisi pasir merah 4%. Pengujian XRD didapatkan unsur berupa SiO2, CaO3, Ca(OH)2 dengan intensitas silikon paling tinggi. Dari hasil uji SEM, ukuran struktur beton dengan campuran pasir merah memiliki pori-pori yang lebih sedikit.

Item Type: Thesis (Undergraduate)
Contributors:
ContributionNameNIDN/NIDK
Thesis advisorHarahap, Mukti Hamjah197704252008011011
Call Number: SK-2021 FIS 089
Keywords: Beton; Daya serap air; Kuat tekan; Pasir merah; Semen; Agregat; Scanning electron microscope; X-ray diffraction
Subjects: Q Science > QC Physics
Q Science > QC Physics > QC170 Atomic physics. Constitution and properties of matter including molecular physics, relativity, quantum theory, and solid state physics
Divisions: Fakultas Matematika dan Ilmu Pengetahuan Alam > Fisika
Depositing User: Mrs Harly Christy Siagian
Date Deposited: 13 Dec 2021 09:11
URI: http://digilib.unimed.ac.id/id/eprint/44052

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