Vibration-based nondestructive testing as a practical tool for rapid concrete quality control

• Autores: Aguilar R., Ramírez E., Haach V.G., Pando M.A.
• Formato: artículo
• Fecha de Publicación: 2016
• Institución: Consejo Nacional de Ciencia Tecnología e Innovación
• Repositorio: CONCYTEC-Institucional
• Lenguaje: inglés
• OAI Identifier: oai:repositorio.concytec.gob.pe:20.500.12390/818
• Enlace del recurso: https://hdl.handle.net/20.500.12390/818; https://doi.org/10.1016/j.conbuildmat.2015.12.053
• Nivel de acceso: acceso abierto
• Materia: Quality assurance; Compressive strength; Concrete testing; Concretes; Curing; Nondestructive examination; Concrete quality; EMM-ARM method; Impact resonance; Mechanical characterizations

This paper involves a practical approach to perform quality-control/quality-assessment of concrete using vibration-based NDT. The first component is the analysis of compressive strength and dynamic E-modulus of concrete samples from various construction projects. The second component involves continuous measurements of E-Moduli as a function of curing time in laboratory-controlled specimens. The experimental program allowed proposing a correlation to predict the expected static and dynamic E-modulus at 28 days from their measurement at any instant of the curing process. A similar relationship is proposed to predict compressive strength at 28 days based on the dynamic E-modulus measured at earlier ages.