ResearchSpace@Auckland
University of Auckland Research Repository - ResearchSpace
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Tests worth having: Telling teachers who needs to be taught what next.
(2025-02-28) Brown, Gavin
Semi-Empirical Model for Load-Slip Response of Externally Bonded Frp Strengthened Reinforced Concrete Structures
(2025) Zhang, Junrui; del Rey Castillo, Enrique; Allen, Tom; Hogan, Lucas; Kanitkar, Ravi; Barris, Cristina; Carloni, Christian; Borwankar, Aniket D
Understanding the interfacial bond behavior between externally bonded fiber-reinforced polymer (EBFRP) and concrete is essential for effective strengthening of civil structures. Various bond-slip models exist, but most analytical models are too complex for practical engineering, and empirical models lack flexibility across diverse configurations. Furthermore, existing models are generally based on small-scale tests that do not adequately represent real-world construction conditions. This study presents a semi-empirical bond-slip model that integrates experimental observations with fracture mechanics principles to predict debonding behavior. Strain distributions and debonding mechanisms were captured using digital image correlation (DIC) in 24 large-sized EBFRP-strengthened reinforced concrete (up to 915 mm in length, 2 mm in thickness) subjected to single-lap shear tests. The model applies an interfacial analytical approach based on fracture mode II (sliding shear) and uses multi-variable nonlinear regression to account for key bond indicators. A validation of the model against a dataset of 1,659 tests reported in the literature confirms the accuracy in predicting load-slip responses. The proposed bond-slip model offers a practical and scalable tool for calculating the debond load efficiently, making it valuable for both research and industry applications in large-sized EBFRP systems.
Reply Letter
(Wiley, 2024-10) O'Connor, Emily; Waterworth, Susan
Correction to: A Novel Case of IFNAR1 Deficiency Identified a Common Canonical Splice Site Variant in DOCK8 in Western Polynesia: The Importance of Validating Variants of Unknown Significance in Under-Represented Ancestries
(Springer Science and Business Media LLC, 2024-09) Huynh, Aimee; Gray, Paul E; Sullivan, Anna; Mackie, Joseph; Guerin, Antoine; Rao, Geetha; Pathmanandavel, Karrnan; Mina, Erika Della; Hollway, Georgina; Hobbs, Matthew; Enthoven, Karen; O'Young, Patrick; McManus, Sam; Wainwright, Luke H; Higgins, Megan; Noon, Fallon; Wong, Melanie; Bastard, Paul; Zhang, Qian; Casanova, Jean-Laurent; Hsiao, Kuang-Chih; Pinzon-Charry, Alberto; Ma, Cindy S; Tangye, Stuart G
In this article, Alberto Pinzon-Charry, Cindy S Ma and Stuart G. Tangye should have been denoted as equally contributing authors. The original version has been corrected.
Methods for the Practice of Envisioning: Collaborative Tools for Change-Orientated Research
(SAGE Publications, 2025-12) Chubb, Laura A
This paper presents three cases of four innovative participatory and visual methods tailored for the novel practice of envisioning. Combining knowledge from the disciplines of Futures Studies and Participatory Research and arguing for the use of engaged, creative methods for data collection, it traces how principles of futures thinking and dynamic engagement merge into a practice of envisioning to address social change agendas. Each case includes details on new methods that evolved from traditional and creative data collection techniques. The formation of Photovoice Storyboards is explained as they build upon the method of photovoice or photo-journaling. BodyGlyphs are described as a method to capture the body as data, informed through embodied movement and play processes. The Gallery Walk, also informed by playfulness and participatory mapping, is discussed as a method to engage participants in co-design processes. The E-World Café is presented as the digital evolution of the established World Café method. Each case illustrates the practical application of a data collection method, where participants co-construct meanings for possible futures when addressing a defined social change agenda.