Determinación de dosificación para elaborar bloques huecos de hormigón que cumplan con la actual norma INEN 3066

Abstract

In Ecuador, there is not a code about blocks dosage. First, it is important to know all specifications about lightweight aggregates: thick Chasqui, thin Chasqui, and powder, so this process is made by laboratory assays. Once applying the standard specification for lightweight aggregates for insulating concrete methodology, the 211.2 ACI method will be adapt through mixture tests in order to relate cement per cubic meter of aggregates with the desired strength of the block. This process has been validated by Analysis of variance (ANOVA). Finally, an economic analysis determined that the optimization of aggregates and cement content reached that an artisan block could be an element for load-bearing walls instead slab lightening block, and it has a saving of 9% and an increase in resistance of 25%.