Benchmark Finite Element Calculations for ASCET Phase III on a Reinforced-Concrete Shear Wall Affected by Alkali-Aggregate Reaction
Source abstract
Abstract
In this study, finite element (FE) analyses were conducted on a reinforced-concrete (RC) shear wall that is affected by an alkali–aggregate reaction (AAR), which were then applied for a benchmark studies in OECD/NEA/CNSI/ASCET (Organization for Economic Co-operation and Development/Nuclear Energy Agency/Committee on Safety of Nuclear Installations/Assessment of Structures subjected to Concrete Pathologies) Phases II and III assessments. A commercial software has been modified to account for this AAR expansion, which is affected by the stress field and change in physical properties of the concrete. The impacts of boundary conditions, modeling in two and three dimensions, and material properties on the load–displacement curve and crack patterns were carefully evaluated. Finally, although similar load–displacement curves and crack patterns were obtained, the peak load due to brittle failure of an RC shear wall affected by AAR could not be reproduced.
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Research context
OpenAlex topics: Concrete and Cement Materials Research · Concrete Properties and Behavior · Innovative concrete reinforcement materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Regulatory Standard and Research Department, Secretariat of Nuclear Regulation Authority (S/NRA/R), Japan.
Science & Engineering Systems Division, ITOCHU Techno-Solutions Corporation, Japan.
Department of Environmental Engineering and Architecture, Graduate School of Environmental Studies, Nagoya University, Japan.
References (40)
Show source-provided references
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