Application of Digital Image Correlation (DIC) and Fracture Mechanics to Monitor and Measure Complex Mechanisms of Damage and Fracture in Reinforced Concrete Structures

Author(s): Luis Saucedo-Mora and Carmen Andrade Perdrix M.
Paper category: Proceedings
Book title: Proceedings of International Conferences (ICACMS) Advances in Construction Materials and systems Vol 2
Editor(s): Manu Santhanam, Ravindra Gettu, Radhakrishna G. Pillai, Sunitha K. Nayar
ISBN: 978-2-35158-194-0
e-ISBN: 978-2-35158-191-9
Publisher: RILEM Publications SARL
Publication year: 2017
Pages: 352-355
Total Pages: 4
Language : English

Abstract: The reinforced concrete structures need to be monitored to ensure their structural integrity, but sometimes those measurements are very local and the instrument is complex to locate physically in the structure and may interfere in it. Digital image correlation, DIC, is a non-contact and non-destructive experimental technique capable to measure the displacement field in a big region of a structure with a great accuracy. This allows extracting valuable information from the fracture processes of reinforced concrete structures critical for the evaluation of the structural integrity. The identification of the energy dissipated by the structure is essential for the identification of the strength mechanisms that are failing in the structure, and to identify a proper repair. In this work using fracture mechanics valuable information is extracted from the fracture processes of the reinforced concrete beam, such as the Mode I and Mode II fracture energy released at each loading step, which is essential to evaluate the elastic energy that the structure can accumulate before collapse. The examples enable to anticipate the importance of DIC for future studies at large scale of fracture in reinforced concrete and other materials related to construction.

Online publication : 2017
Publication type : full_text
Public price (Euros) : 0.00