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Stairs 1/2. March 15 th , 2011. Most used vertical Connection world wide. Can be constructed out of: Concrete Wood Steel Stone Masonry . Shapes and construction. Stairs can be shaped as: Boxed (staircase, single trip, double trip) Rounded (spiral) Curved
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Stairs 1/2 March 15th, 2011
Most used vertical Connection world wide. • Can be constructed out of: • Concrete • Wood • Steel • Stone • Masonry
Shapes and construction • Stairs can be shaped as: • Boxed (staircase, single trip, double trip) • Rounded (spiral) • Curved • Naval stairs (hinged, folded) • Suspended
Elements of the stairs Tread minimum = 270 mm Rise maximum = 180 mm