B. S. Kamala , Vimal Kothiyal , S. K. Sharma

Abstract

Physical and mechanical properties of Grevillea robusta procured from Institute of Wood Science and Technology campus, Bangalore were evaluated. Hardness and nail holding power are maximum in basal portion. Variation are found significant with height for sp.gr.,FS at LP and MCS in green condition. Based on the strength properties, the timber is classified as moderately heavy, moderately strong, not tough, moderately steady and soft. The timber is classified as group III constructional timber. It may be used for door shutters and frames, joinery, furniture, decorative veneers, turnery and packing cases.

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Vimal Kothiyal , B. S. Kamala

Abstract

Coconut wood from non-productive plantations is a by-product of an agricultural crop and constitutes a renewable resource which may serve as a complement to, or at least in part. As a substitute for traditional timbers in local markets. It more extensive utilisation is expected to contribute to the conservation of natural forests. On evaluating its physical and mechanical properties, the wood having density more than 0.5 is classified as tough, very hard, very strong and very heavy timber. Based on suitability indices it is found suitable for tool handles (Group I), wood poles (Group II), construction (Group II) specially for roofingand load bearing components and door, window, shutters and frames.

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J. C. Jain , B. S. Kamala , M. C. Tewari

Abstract

It is found that treatment of timbers with Ascu and a mixture of creosote and furnace oil (1:1) generally does not affect their natural nail-holding power, though treatment with creosote alone may sometimes bring about a slight increase in the strength property. Results of experiments with 12 species of timbers of Southern India have been given.

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B. S. Kamala , D. R. C. Babu

Abstract

The specimens obtained from 10 different trees of Protium serratum were tested for their physical and mechanical properties. The strength values are compared with standard Teak. It is found that the timber is heavier than standard Teak and on an average the strength properties are almost equivalent to Teak in "green condition" and is superior to teak by about 10 percent in air-dry condition. The timber can be classified as belonging to "Super Group" for structural uses.

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