Abstract

Malaysian standard (MS 544: Part 2) adopted is BS528 for design code. However, the data in MS 544: Part 2 were developed by testing small sample without defect known as small clear sample, whereas the data published in BS5268 were tabulated based on large size tested samples. Therefore, this study investigated the bending strength properties of selected timber of different strength groupings (SG), namely Resak (SG 4), Kapur (SG 4), Merpauh (SG 4), Bintangor (SG 5), White Meranti (SG 5) Jelutong (SG 6), Sesendok (SG 7), and Kelampayan (SG 7) using structural size timbers. Small clear specimens were also tested for bending strength which was used to correlate with data from large size specimens. Bending tests were performed in accordance with BS 373: 1957 and ASTM D-198, respectively. The results showed that the groupings of the timber have been changed when using large size specimens.

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