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: 941EXPERIMENTAL EVALUATION OF CONCRETEDURABILITYGiovanni Loreto *, Ciro Varriale**, Renato Iovino **** Phd student, Department of Urban and Regional PlanningUniversity of Napoli “Federico II”, Napoli, Italy; giovanni.loreto@unina.it** Phd, Department of Urban and Regional PlanningUniversity of Napoli “Federico II”, Napoli, Italy*** Full professor, Department of Urban and Regional PlanningUniversity of Napoli “Federico II”, Napoli, Italye-mail: reiovino@unina.itKey words: durability, concrete, accelerated test, carbonationAbstractDurability is the ability of a material to last over time, which means to resist the variousfactors to which it is exposed and can cause degradation.The research herein described aimed at quantifying the relationship between the structureaging of cement conglomerates (or decay resistance) and the action of corrosive agents. Forthis reason, aging accelerated tests were carried out on three mix designs that allowed valuingthe effects of degradation induced by aggression agents. The three mixes are different fromeach other only because of the type of cement and resistance characteristic. This allows tostudy the mixtures with similar characteristics and to assess experimentally various behaviorsdue to induced aggression.The main objective of this study was to investigate the durability of concrete, specificallyrelated to the action of carbonation and aggression of sodium chloride. A mathematical modelwas developed to calculate the residual mechanical strength of the material in function of thepenetration depth of the agent aggressive.This article shows the results of the tests.37º <strong>IAHS</strong> <strong>World</strong> <strong>Congress</strong> On Housing Science 314