Ensaio não destrutivo - ensaio de ultrassom e pacômetro na avaliação da qualidade do concreto armado

Abstract

Evaluation and monitoring of concrete structures, especially in the case of the pillars of the first floors of buildings, it is an essential procedure to maintain the durability of the construction and conservation. One of the methods used in evaluation are nondestructive tests, that with the technique does not generate any problems or damages the structure. The ultrasound measurements and pacometria are in addition to non-destructive testing, easy to apply the structures, simple handling and portability without resorting to specialized laboratories. Based on this principle, the article aims to analyze and study the structures of a building, applying the methods of pacometria and ultrasound under the NBR 8802/2013. At the end of the article a correlation has been made between the measured values of ultrasonic velocities to the results of the scratch tests and modulus of elasticity, measured on site. As a correlation between the results of the ultrasonic test of the pillars and quality of concrete structures was performed elaborated.