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Rammed earth can contribute to the overall energy efficiency of edifices: the density, thickness, and thermal conductivity of rammed earth render it an especially suitable material for passive solar heating. Warmth requires almost 12 hours to be conducted through a wall 35 cm (14 in) thick.
Other earth materials include soil blocks typically stabilized with a cement additive and produced with forms or compression. Rammed Earth consists of walls made from moist, sandy soil, or stabilized soil, which is tamped into form work. Walls are a minimum of 12″ thick. Soils should contain about 30% clay and 70% sand. [4]
In China, rammed earth walls were built by the Longshan people in 2600–1900 BC, during the period when cities first appeared in the region. Thick sloping walls made of rammed earth became a characteristic of traditional Buddhist monasteries throughout the Himalayas and became very common in northern Indian areas such as Sikkim. [24]
A compressed earth block (CEB), also known as a pressed earth block or a compressed soil block, is a building material made primarily from an appropriate mix of fairly dry inorganic subsoil, non-expansive clay, sand, and aggregate. Forming compressed earth blocks requires dampening, mechanically pressing at high pressure, and then drying the ...
Alker is an earth-based stabilized building material produced by the addition of gypsum, lime, and water to earth with the appropriate granulometric structure and with a cohesive property. Unbaked and produced on-site either as adobe blocks or by pouring into mouldings (the rammed earth technique), it has significant economical and ecological ...
An interior view. Hakka walled villages can be constructed from brick, stone, or rammed earth, with the last being the most common.The external wall is typically 1 metre (3 ft) in thickness and the entire building could be up to three or four stories in height.
Rammed earth buildings and structures (11 P) Pages in category "Rammed earth" The following 4 pages are in this category, out of 4 total.
Kelly Hart developed a massive online database of earthbag information that encouraged idea sharing. Kaki Hunter and Doni Kiffmeyer worked on a variety of projects after studying with Khalili, calling earthbag "flexible form rammed earth". Their 2004 book, Earthbag Building: the Tools, Tricks and Techniques, is available as an e-book. [5]