RAMMED EARTH
It is a form of unbaked earthen construction used primarily to build walls.The wall is constructed by compacting moist subsoil inside temporary formwork. Loose and moist qualified subsoil is placed in layers of 100-150 mm deep in a formwork and compacted using a rammer.
OBJECTIVES
· Make earth a conventional building material in urban areas
· Reduce the impact of building and explore more sustainable and natural building methods
· Improve the built environment by providing descent affordable housing hence a drastic reduction in blooming of slums and informal settlements.
Advantages of Rammed earth.
1. Lower embodied carbon dioxide and energy than conventional manufactured building materials
2. Reduced toxic chemical content and fewer emissions from industrial processes.
3. Sub-soils without binder stabilization can also be readily be re-used, recycled or disposed of without risk of contamination to the environment.
4. Raw materials for rammed earth are non-replenish-able and they may in a wider context it is inexhaustible.
5. Construction can be done by relatively inexperienced labour force.
6. Earth building is well suited for community based low cost housing schemes in both economically developed and developing countries as well as to the broader owner-builder market
Bibligraphy
Rammed Earth Design and Construction Guidelines by Peter Walker, Rowland Keable, Joe Martin and Vasilios Maniatidis
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