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PHYSICAL AND MECHANICAL PROPERTIES OF GIGANTOCHLOA SCORTECHINII BAMBOO SPLITS AND STRIPS

Journal of tropical forest science, 2005-01, Vol.17 (1), p.1-12 [Peer Reviewed Journal]

Forest Research Institute Malaysia 2005 ;ISSN: 0128-1283

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  • Title:
    PHYSICAL AND MECHANICAL PROPERTIES OF GIGANTOCHLOA SCORTECHINII BAMBOO SPLITS AND STRIPS
  • Author: Anwar, U. M. K. ; Zaidon, A. ; Hamdan, H. ; Tamizi, M. Mohd
  • Subjects: Anatomy ; Bamboos ; Forestry ; Internodes ; Mechanical properties ; Moisture content ; Parenchyma ; Timber ; Tropical forests ; Vascular bundles
  • Is Part Of: Journal of tropical forest science, 2005-01, Vol.17 (1), p.1-12
  • Description: The results of the physical studies of 4-year-old bamboo splits and strips indicated that within the culm wall, the moisture content decreased from the interior outwards while its relative density increased. Vertically, the moisture content decreased with height while the relative density increased. Bamboo strips shrank more in both radial and tangential directions compared with splits and outer splits. The mean value of the modulus of rupture (MOR) for the bamboo strips (179.6 Nmm-2) showed no significant difference with splits (periphery positioned upward, 158.3 Nmm-2) but a significant difference was observed when compared with the periphery positioned downwards (134.2 Nmm-2). The average value of the compression parallel to grain for splits (85.1 Nmm-2) was higher than that for strips (73 Nmm-2) but was not statistically significantly different (p < 0.05). Ciri-ciri fizikal dan mekanikal belahan dan jalur buluh Gigantochloa scortechinii berumur empat tahun dinilai. Keputusan kajian fizikal belahan dan jalur menunjukkan bahawa kandungan lembapan menurun daripada dalam ke bahagian luar dinding buluh manakala ketumpatannya bertambah. Kandungan lembapan menurun dengan ketinggian buluh tetapi ketumpatan relatifnya meningkat. Belahan buluh mengecut lebih pada bahagian radial dan tangen berbanding jalur. Modulus kepecahan bagi jalur buluh (179.6 Nmm-2) tidak menunjukkan perbezaan bererti berbanding belahan apabila kulit diletakkan menghala ke atas (158.3 Nmm-2) tetapi wujud perbezaan apabila dibandingkan dengan belahan (kulit menghala ke bawah, 134.2 Nmm-2). Nilai tekanan mengikut ira bagi belahan ialah 85.1 Nmm-2 manakala nilai untuk jalur ialah 73 Nmm-2. Perbezaannya tidak bererti.
  • Publisher: Forest Research Institute Malaysia
  • Language: English
  • Identifier: ISSN: 0128-1283
  • Source: Alma/SFX Local Collection
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