PENGARUH KOMPOSISI KULIT KERANG TERHADAPKARAKTERISTIK BETON RINGAN DARI ABU TERBANG (FLY ASH) BATUBARA DAN BATU APUNG

Simamora, Ryanto C. (2012) PENGARUH KOMPOSISI KULIT KERANG TERHADAPKARAKTERISTIK BETON RINGAN DARI ABU TERBANG (FLY ASH) BATUBARA DAN BATU APUNG. Undergraduate thesis, UNIMED.

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Abstract

Telah dilakukan penelitian tentang pemanfaatan limbah kulit kerang dan abu terbang (Fly Ash) batu bara sebagai bahan subsitusi semen serta batu apung sebagai bahan pengisi selain pasir dalam pembuatan beton ringan. Penelitian ini bertujuan untuk mengetahui pengaruh komposisi kulit kerang dari Tanjung Balai terhadap beton ringan yang terbuat dari abu terbang (fly ash) batubara dari PLTU Labuhan Angin sebagai bahan subtitusi semen dan batu apung yang berasal dari Danau Toba sebagai agregat kasar terhadap karakteristik beton ringan. Penelitian ini juga bertujuan untuk mengetahui karakteristik dari beton ringan berupa pengujian massa jenis, daya serap air, kuat tekan dan ketahanan api. Metode yang digunakan adalah metode pencampuran di laboratorium. Dimana batu apung dan pasir dicampur dengan semen yang sudah dicampur dengan kulit kerang dan fly ash kemudian diaduk dan ditambahkan air dengan FAS sebesar 0,4 kemudian dimasukkan kedalam cetakan kubus ukuran 15 X 15 X 15 cm. Setelah didiamkan selama 1 hari, beton dikeluarkan dari cetakan dan dimasukkan kedalam bak perendaman selama 28 hari. Variasi komposisi yang diteliti yaitu : semen sebesar 17%, 16%, 15%, fly ash sebesar 2%, kulit kerang 1%, 2%, 3%, pasir 65% dan batu apung 15%. Dari pengujian yang dilakukan diperoleh massa jenis tertinggi sebesar 1,57 x 103 kg/m3 dan terendah sebesar 1,56 x 103 kg/m3, daya serap air terendah sebesar 11,88% dan tertinggi sebesar 14,27%, kuat tekan tertinggi sebesar 13,97 MPa dan terendah 9,73 MPa. Pada uji tekan nilai optimum dicapai oleh sampel dengan 1% kulit kerang dengan penambahan 17% semen.

Item Type: Thesis (Undergraduate)
Contributors:
ContributionNameNIDN/NIDK
Thesis advisorSimarmata, Usler195908051986011005
Call Number: 530 Sim p
Keywords: Kulit Kerang; Beton, Abu Terbang; Batu Apung
Subjects: Q Science > QC Physics > QC120 Descriptive and Experimental mechanics
Divisions: Fakultas Matematika dan Ilmu Pengetahuan Alam > Fisika
Depositing User: Mr Aris Hadiana
Date Deposited: 08 Apr 2016 08:34
URI: http://digilib.unimed.ac.id/id/eprint/9992

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