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Londoño, Nicolás Edo Murillo. Thermal behavior of a manufactured block with recycled material: waste of concrete (brashes), in relation to a manufactured block with traditional concrete. In: INTERNATIONAL CONFERENCE ON PASSIVE AND LOW ENERGY ARCHITETURE, 18., 2001, Florianópolis. Anais... Florianópolis, 2001. p. 749-754.
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Abstract

The house, element that allows man to settle into a natural territory, sometimes can't establish in a suitable way in certain territories. Low income families or human migrations that occur because of different agents, are a typical thing in less developed countries and even in the developed ones. A research work, leaded by the Bioconstruction, ecomaterials and energy Group of the Universidad Nacional de Colombia, offers technical support to the recycled concrete technique. The improvement of the mechanical characteristics of blocks made with this kind of concretes, in comparison with the standard commercial ones, was established. The research points to define by indirect way the thermal conduction coefficient of the recycled material concrete. The tests were made in 0.2 x 0.2 x 0.4 mts. recycled and conventional blocks, exposed to real climatical conditions. On the inside face, the tested blocks had a probe that let us approach to the heating effect that would occur inside a room. The following phase is to improve the thermal and mechanical properties of these blocks adding calcifying bacteria to the fluid mix, the mechanical properties of this non-conventional concrete are already known, but the thermal behavior is going to be held here. The research gives scientific support to a novel building material that can give optimal solutions in terms of economy, flexibility, self construction practices and low environmental impact.
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