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Lecture B

Lecture B. Environmental and Natural Building Materials. Aluminum. 70,000. kW.hr / ton. Plastic. 25,000. Steel. 15,000. Cement. 2,000. Clay brick (burned). 500-2000. Cement brick. 700-2200. Stone (cut). 150. Stone (rough). 100. Mud brick. 30. Wood. 30-100.

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Lecture B

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  1. Lecture B Environmental and Natural Building Materials

  2. Aluminum 70,000 kW.hr / ton Plastic 25,000 Steel 15,000 Cement 2,000 Clay brick (burned) 500-2000 Cement brick 700-2200 Stone (cut) 150 Stone (rough) 100 Mud brick 30 Wood 30-100 Why do we use natural materials? • Low energy content Energy content of some materials

  3. Why do we use natural materials?continued • safe and hygienic: • Asbestos corregateg sheets vs. wood shingls or fiber glass • Renewable or practically non depletable • Wood , steel and Plastic • Recyclable or Nature Absorbable • Mud brick, wood roofs, vs cement bricks and concrete roofs. Interlocking bricks with white mortar???

  4. Earth Architecture

  5. Earth Architecture

  6. Earth Architecture

  7. Earth Architecture

  8. Why do we use natural materials? (continued) • Durable and efficient: • marble and Granite vs ceramic or mosaic tiles • Sensual comfort: • Warmth (air content and thermal capacity) • Emotional comfort: • a link with nature, past memories… • Aeasthetic values : • Diversity, rhythm, .. • Sustainable value, not not lost as fast as fashion materials. • does not threat ecosystem nor threatened species

  9. How deep is it natural? • Massive wood Furniture • Veneered, laminated (plywood), composed (Counter) • Painted wood • steel or plastic furniture • Textiles • Cotton, wool, silk vs. Nylon and senthetic

  10. How deep is it natural? • Massive

  11. How deep is it natural? • Massive

  12. How deep is it natural? • Massive

  13. How deep is it natural? • Veneered

  14. How deep is it natural? • Painted

  15. How deep is it natural? • Plastic

  16. How deep is it natural? • steel

  17. Ethics of Nature and natural Materials • How many creatures did you kill to get this material? • Is it accepted to kill an Animal? • Yes, for food! and get any by-products. • No, for fun! Better Shoot with a camera • Yes, if Nature will not suffer because of killing the Animal • No, if biodeversity is threatened, or any negative Environmental Impact is expected. • No if the role of the Animal in the ecosystem is much larger than the benefit of the material

  18. Ethics of Nature and natural Materialscontiued • It is fine to use caw leather, but not mink or fox fur • It is fine to use sea shells (specially thrown at the shore) as inlayes in decoration, but not ethical to use Ivory

  19. Assignments: • design a report cover from Natural Materials: • Wood, leather, rough Natural textiles, papyrus, bound sticks …..The Cover should express the respect of nature both in Material and design • write a brief essay about the value and benefit of natural materials in Architecture.support your essay with illustrated examples

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