ethos of buildings : Bamboo

Bamboos are grasses in family of Poaceae and grouped as a sub-family Bambosoideae. Bamboos are one of the fastest growing plants in the world. Their lenghts can reach up to the 15m, diameters changes between 5-12cm and diameter do not change through stem. Through stem there are some hallow and fulled parts; hallow parts are named as internodes, the fulled parts are called as nodal. In the cross section of stem there are great number of vascular bundles which line in the vertical direction. Because of vascular bundles; they are highly elastic element, they have high tensile strenght even more than steel.

Bamboos are propagated with micropropagation methods also they propagates by seed but it is inefficient and old method. They harvested by cutoff saws at the end of rainy season and begining of the dry season. Dry season is the period of dormancy. Starch content is at its higghest level at the end of dry season. Harvesting bamboo at this season increases the chances of borer and fungi attacks. During rainy season, strach content is lower but moisture content in the bamboo culms is high, and it increases the splitting and cracking after harvest.

BAMBOO IN ARCHITECTURE
They used generally Japaneese architecture. scaffoldings, houses, parquet, internal dividers, shading elements, bridges can be made from bamboo.

Bamboo flooring

Bamboo spilit into strips lenthwise. The cane is flattened and the curved walls are changed into flat strips. The bamboo Strips are placed in a lime kiln which they are dried at a low temperature. They are glued together with a methanol-based resin and compressed to form sheets which are cut into standarts lenght. The sheets are linked each other with a tongue-groove interlocking joinery system.

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