Building materials
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some common materials used in the construction field
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Building materials
- 1. BUILDING MATERIALS CONCRETE, PLASTIC & TIMBER Presented by: Mr. B. Elliott MSBTC2011
- 18. CIRCULAR COLUMN CONCRETE VOLUMNE Formula : π x radius ² (sq. ft.) x height of column(ft) = ft ³/ yd ³ of concrete 27 (cubic ft/yd) Where π = 3.14 and radius = diameter (ft.) of column /2 NB. Inches are expressed as fraction or decimal equivalents. Step 1 : determine the radius of the column. E.g. 4 ’ /2 = 2 ’ Step 2 : calculate the volume using the formula π x radius ² (sq. ft.) x height (ft) = 3.14 x (2) ² x 30 27 (cubic ft/yd) 27 = 376.8ft ³ = 13.96 rounded up to 14 cubic yards 27 NB. For cubic yard, divide by 27. E.g. depth = 3 ½ (0.292 ’ ), form = 2 ’ x 4 ’ Concrete required = 2 ’ x 4 ’ x 0.292 ’ = 23.36 ft ³ or 23.36/27 = 0.865yd ³
- 33. TIMBER AND TIMBER PRODUCTS CROSS-SECTION OF A TREE
- 75. Bagasse is the fibrous matter that remains after sugarcane or sorghum stalks are crushed to extract their juice. Bagasse board Made from sugar cane.