Center for Alternative Technology

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Work is about to begin on The Wales Institute for Sustainable Education (WISE), a new complex intended to showcase the very latest thinking in environmentally-conscious building design at the Centre for Alternative Technology (CAT), near Machynlleth in Wales. Among the innovative features of the building will be construction of rammed earth walls in the Institute’s lecture theatre. The 7.2m high rammed earth walls, which are load-bearing and made of excavated subsoil, exemplify this approach. The clay content of the soil means no additional binding material will have to be added. The walls are packed down in layers, using hand-held pneumatic compactors, between temporary formwork.

Simone Swan: Adobe Building

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Simone Swan: Adobe Building is the first book to discuss and illustrate Swan’s architecture while also chronicling one of her annual workshops in author Dollens’ first-hand account. Swan studied with the great Egyptian architect Hassan Fathy in his Cairo studio and after his death in 1989 adopted his mission of helping house the world’s poor through the creation of environmental projects that re-examine and promote traditional adobe building while introducing compatible forms, such as the Nubian vault and dome through her organization, The Adobe Alliance.

Nk’Mip Desert Interpretive Centre

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Insulated rammed earth makes the front facade of the Nk’Mip Desert Interpretive Centre in Osoyoos, British Columbia. The wall stretches 220 feet and stands 20 feet high. A suspended slab supports 100,000 lbs. of rammed earth above a 55 foot-long window. The wall’s alternating bands of colour blend with the surrounding desert and mountains. The new 18,000 square foot facility will feature a large exhibit area, a gift shop, and a research centre and is designed by Hotson Bakker Boniface Haden. Wall Construction by Terra Firma Builders Ltd.