37º IAHS World Congress on Housing: - Universidad de Cantabria

XXXVII <strong>IAHS</strong><strong>World</strong> <strong>Congress</strong> on HousingOctober 26 – 29, 2010, Santander, SpainCODE: 176VIABILITY ANALYSIS OF USING CELLULOSE PULPRECYCLED FROM CEMENT SACKS IN THE PRODUCTIONOF COMPRESSED EARTH BLOCKSMárcio Buson i , Humberto Varum ii , and Rosa Maria Sposto ii University of Brasília, BrazilFaculty of Architecture and Urbanisme-mail: mbuson@unb.br; rmsposto@unb.brii University of Aveiro, PortugalDepartment of Civil Engineeringe-mail: hvarum@ua.ptKeywords: earthen architecture, CEB, recycling, cement sacks, kraft fibers, compressive strength.AbstractThis study concerns the development and analysis of the Kraftterra composite – raw earthstabilized with disperse fibers made with kraft paper from recycled cement sacks – for theproduction of CEBs and mortar for masonry infill elements. Its main goal is to define thebehavior of small walls (prisms) of Kraftterra in relation to diagonal compression. The testsshow that the prisms produced with Kraftterra CEBs and mortar show excellent bond strengthbetween block and mortar. All the prisms tested presented fissure lines very close to thenormal load line and the fissures occurred in the blocks and in the mortar in similar manner,without separation between these elements. The mortar produced with Kraftterra results instrong bonds between blocks and produces homogeneous construction elements with uniformperformance, that is, with high monolithicity.37º <strong>IAHS</strong> <strong>World</strong> <strong>Congress</strong> On Housing Science 112