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Showing posts from September, 2017

Thermal Bridging

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                       The Aerogel insulation technology developed  by NASA. Thermal bridging is an acute problem  when it comes to insulating building. It is  estimated that 40% of our energy is used to  control the temperature in buildings alone.  Over 30% of the energy  used  for temperature  control  in  buildings  escape through  walls,  more  than  through  the  floor, windows or roof. The study show 38% of the walls heat loss can be  through the studs of the structure. Thermal bridges take places commonly in  reinforced concrete exterior walls surrounding,  ring beams, lintels doors, reinforced concrete or  steel frame beams, columns, reinforced concrete,  where the metal frame and window extrude to  outside. Cover the whole building without any  missed area, which means no "holes" in t...

Self Healing Concrete

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Concrete will continue to be the most important material used in the construction industry, from the foundation of buildings to the structure of bridges. But most Concrete structures are prone to cracking. Tiny cracks on the surface of concrete make the whole structure vulnerable because water seeps into degrade the concrete and corrode the steel reinforcement, greatly reducing the lifespan of a structure. Hendrik Jonkers, a microbiologist at Delft University has a plan to increase the lifespan of many civil engineering structures. He has worked closely with civil and structural engineering to learn about the properties of concrete and steel reinforcement, and develop the concrete. His innovation, which embeds self-activating limestone-producing bacteria into building material, is designed to decrease the amount of new concrete produced and lower maintenance and repair costs for different types of structures. HOW DOES BIOCONCRETE WORK? Self-healing concrete is a ...