CIVL439/W00D476 Solid Waste Generation ·8g8 onon waste .It was lowest for sheet metal.The 《1 wh m'e-3.6Mme Timber as a structural material d with inherent flaws and recognize its strengths and uire行ents: :nutrition (wood) modest temperature(-0C moisture (the only one that can bereiCIVL439/WOOD476 5 Solid Waste Generation • Solid Waste generation is the weight in kilograms of construction waste • It was lowest for sheet metal. The wood house is 21% higher and for concrete, 58% higher Zero Energy House Standard DIN /SIA… Low Energy House Room Energy Electrical Energy for Appliances Heating Energy for Water Electrical Energy for Heat Recovery Timber as a structural material • The oldest construction material and still one of the most versatile • A natural material with inherent flaws and variability • W d t i it t th d We need to recognize its strengths and weaknesses • Timber design therefore as much an art as a science One of nature’s most efficient structures: an Arbutus tree facing the onslaught of West Coast storms Decay of wood Requirements: • nutrition (wood) • modest temperature (~ 20 C) • moisture (the only one that can be readily controlled)