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      Faktor Layan Basah Kayu Konstruksi Struktural

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      Date
      2021
      Author
      Koswara, Andiana
      Bahtiar, Effendi Tri
      Priadi, Trisna
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      Abstract
      Faktor layan basah merupakan salah satu faktor koreksi yang digunakan dalam analisis struktur konstruksi kayu yang digunakan pada kondisi basah. Penelitian ini bertujuan untuk membandingkan nilai sifat mekanis kayu konstruksi struktural dalam kondisi basah dan kondisi kering serta menentukan nilai faktor layan basahnya secara empiris. Kayu yang dipilih merupakan jenis kayu lokal Indonesia yaitu meranti merah (Shorea spp.), mahoni (Swietenia spp.), agathis (Agathis spp.) dan pinus (Pinus spp.). Sifat mekanis yang diuji meliputi: lentur statis (MOE dan MOR), geser sejajar serat, tarik sejajar serat, tekan sejajar serat, dan tekan tegak lurus serat. Sifat fisis yang diuji antara lain kadar air (KA), kerapatan, dan berat jenis. Hasil penelitian nilai faktor layan basah pada penelitian ini berkisar 0.57 – 0.74. Faktor layan basah untuk MOE, MOR, geser sejajar serat, tarik sejajar serat, tekan sejajar serat, tekan tegak lurus serat (proporsi), dan tekan tegak lurus serat (0,04 inci) masing-masing adalah 0.57, 0.74, 0.64, 0.71, 0.66, 0.64, dan 0.64. Uji t-student menunjukkan bahwa nilai faktor layan basah yang diperoleh dari penelitian ini umumnya lebih kecil dibandingkan nilai yang ditetapkan SNI 7973:2013.
       
      Wet service factor is one of the adjusment factor used in wood construction structures analysis if the construction serves at wet conditions. This study aims to compare the mechanical properties of timber structural construction in wet and dry conditions and to determine the value of the wet service factor empirically. The selected timber was Indonesian local species such as red meranti (Shorea spp.), mahogany (Swietenia spp.), agathis (Agathis spp.), and pine (Pinus spp.). The mechanical properties tested include: static bending (MOE and MOR), shear parallel to grain, tension parallel to grain, compression parallel to grain, and compression perpendicular to grain. The physical properties tested include moisture content (MC), density, and specific gravity. The wet service factor value in this study ranged from 0.57 to 0.74. The wet service factor for each MOE, MOR, shear parallel to grain, tension parallel to grain, compression parallel to grain, compression perpendicular to grain (proportion) and compression perpendicular to grain (0,04 inch), are 0.57, 0.74, 0.64, 0,71, 0.66, 0.64, and 0.64. The t-test student test shows that the wet service factor value obtained from this study is generally lower than the value designated by SNI 7973: 2013.
       
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      http://repository.ipb.ac.id/handle/123456789/105780
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      Copyright © 2020 Library of IPB University
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      Indonesia DSpace Group 
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