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    • Volume 08 No. 1, Januari 2008
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    • Terbitan Berkala Ilmiah (Journal)
    • Dinamika Teknik Sipil*
    • Volume 08 No. 1, Januari 2008
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    TEKNOLOGI PEMBUATAN BALOK SUSUN KAYU KOMPOSIT BERUKURAN BESAR DARI BALOK-BALOK KAYU BERUKURAN PENDEK DAN KECIL

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    _5_ Abdul rahman-UMS.pdf (390.1Kb)
    Date
    2008-01
    Author
    Rochman, Abdul
    Sudjatmiko, Aliem
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    Abstract
    The availability of large wood log as construction material is extremely decreasing right now. On the other hand, the availability of small and short wood log is abundant. The aim of this research is to create a technology to produce large wooden-beam using small wood logs which is combined with concrete slab. Sixteen (16) specimen beams sized 50 mm x 80 mm x 2000 mm were used in this research. The specimens consisted of : (i) 3 non-compound whole wooden-beams, (ii) 3 compound whole wooden-beams (BUC), (iii) 3 non-compound multiple wooden-beams (BS), (iv) 3 multiple wooden-beams reinforced with 8 mm diameter of steel (BSP), and (v) 4 compound multiple wooden-beams reinforced with 8 mm diameter of stell (BSCP). The dimension of concrete slab was 25 mm x 250 mm. The bolt with 6 mm diameter was used as connector with 20 mm left as shear connector. The refraction test was conducted using load controlled method by placing concentrated load on the middle of the beam. The result shows that the multiple beam capacity is increasing significantly after combined with concrete slab and reinforced with 8 mm diameter of steel, i.e. 293% (from 2788 N become 10966 N). Even the beam stiffness is extremely raising about 695% (from 45,15 N/mm become 358,2 N/mm). In addition, the life cycle of beam is more influenced by the deflection limit than the elastic load limit. This result gives evidence that technically, large structured wooden-beam produced from small logs has similar capacity and performance compared with whole beam.
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    http://hdl.handle.net/11617/131
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    • Volume 08 No. 1, Januari 2008

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