Environmental Friendly Building Materials: Unfired Clay Bricks

Silvia Smeu, Andrei Gal, Cătălin Badea
2014 Journal of Environment   unpublished
The continuous search for affordable and environmental friendly housing, led to investigations into new building masonry materials. Clay is a natural resource of the planet and one of the most common and has been recently "rediscovered" as an ecologically sound and healthy building material. Due to problems with shrinkage and swelling of clays and changes in material properties, we tried to stabilize the mixtures realized with clay using cement, lime and sand as binder, and we also added
more » ... e also added sawdust in each batch made. The tests that we made were concerning: apparent density, bending tensile strength and compressive strength. By using clay and sawdust in this "rediscovered" building material, results a good impact on environment. The values obtained for compressive strength were within the acceptable standards for clay masonry units.
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