نتایج جستجو برای: building materials
تعداد نتایج: 638202 فیلتر نتایج به سال:
Buildings are the largest energy consumers and greenhouse gases emitters, both in the developed and developing countries. In continental Europe, the energy use in buildings alone is responsible for up to 50% of carbon dioxide emission. Urgent changes are, therefore, required relating to energy saving, emissions control, production and application of materials, use of renewable resources, and to...
Today visitors often approach the massive pyramids, temples, and obelisks of the ancient Egyptians with wonder and disbelief. The huge blocks of stone used to create these architectural masterpieces were quarried and moved without the aid of modern technologies, and it is diffi cult for us to imagine how such feats of engineering could be accomplished without the aid of cranes, bulldozers, truc...
fire behavior of different types of eps was evaluated with the use of iso 5660 cone calorimeter test method. considering the complexity of behavior of eps against high temperatures, several specimens were tested, so a betterjudgment on fire behavior of this material could be acquired. the effects of foam density, thickness of specimens and the level of heat flux on fire behavior of foam were ex...
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