Purba, Evri Yani (2013) PEMANFAATAN SERAT DAUN PANDAN DURI SEBAGAI CAMPURAN DALAM PENINGKATAN KARAKTERISTIK GENTENG BETON. Undergraduate thesis, UNIMED.
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Abstract
Penelitian ini bertujuan untuk mengetahui pengaruh komposisi serat daun pandan duri terhadap karakteristik genteng beton, mengetahui hasil pengujian sifat mekanik kekuatan lentur dan kekuatan impak serta pengujian sifat fisis daya serap air dan daya serap panas pada genteng beton dengan variasi campuran serat daun pandan duri 2,5% ; 5,0% ; 7,5% dan beton normal. Genteng beton dibuat berbentuk balok sesuai standart ASTM untuk pengujian sifat mekanik kekuatan lentur dan kekuatan impak serta genteng beton berbentuk genteng sesuai standart SNI untuk pengujian sifat fisis daya serap air dan daya serap panas. Pada penelitian ini campuran genteng beton yang akan dibuat adalah semen, pasir, yaitu 1 : 3. Pada penelitian ini dibuat variasi komposisi serat daun pandan duri sebesar 2,5%; 5,0%; 7,5% terhadap pengurangan berat pasir yang digunakan. Setelah genteng beton berumur 28 hari maka dilakukan pengujian kekuatan lentur, kekuatan impak, daya serap air dan daya serap panas. Dari hasil pengujian sifat mekanik yaitu kekuatan lentur diperoleh genteng beton variasi serat daun pandan duri yang memenuhi syarat mutu ASTM D-790 pada komposisi 2,5% dan 5% serat daun pandan duri yaitu sebesar (13,15 ± 0,26) Nmm-2 dan (9,96 ± 0,72) Nmm-2. Dari hasil pengujian sifat mekanik yaitu kekuatan impak diperoleh genteng beton variasi serat daun pandan duri yang yang memenuhi syarat mutu ASTM D-256 pada 5% dan 7,5% serat daun pandan duri yaitu sebesar (4950 ± 638,35) Joule/m2 dan (6850 ± 526,78) Joule/m2. Dari hasil pengujian sifat fisis yaitu penyerapan air pada genteng beton variasi serat daun pandan duri yang memenuhi syarat SNI 0096:2007 adalah pada campuran 0% yaitu (7,53 ± 0,76 %); 2,5% yaitu (5,06 ± 0,70 %) dan 5,0% yaitu (4,96 ± 0,96 %.). Pada daya serap panas genteng beton variasi serat daun pandan duri yang memenuhi syarat SNI 0096:2007 adalah pada campuran 0% yaitu (74,3 ± 0,86%); 2,5% yaitu (73,86 ± 0,91%); 5,0% yaitu (73,09 ± 1,01% ) dan 7,5% yaitu (71,17 ± 0,90%). Hal ini merupakan bahwa semakin besar penambahan serat daun pandan duri pada genteng beton dapat meningkatkan karakteristik genteng beton.
Item Type: | Thesis (Undergraduate) | ||||||
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Call Number: | 690.15 Pur p | ||||||
Keywords: | Genteng; Beton; Komposisi; Semen; Semen Portland Pozollan; Pasir; Air; Serat Pandan Duri | ||||||
Subjects: | L Education > L Education (General) L Education > LB Theory and practice of education Q Science > QC Physics |
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Divisions: | Fakultas Matematika dan Ilmu Pengetahuan Alam > Fisika | ||||||
Depositing User: | Mrs Elita Sari Sitorus | ||||||
Date Deposited: | 08 Apr 2016 08:34 | ||||||
URI: | http://digilib.unimed.ac.id/id/eprint/10347 |
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