Evaluation of alkali–silica reaction damage in concrete using linear and nonlinear resonance techniques
Journal Article
·
· Construction and Building Materials
- University of Nebraska, Lincoln, NE (United States); OSTI
- University of Nebraska, Lincoln, NE (United States)
- RJ Lee Group, 350 Hochberg Road, Monroeville, PA (United States)
Here in this study, the initiation and development of alkali–silica reaction (ASR) in concrete prisms containing reactive coarse (RCA) and reactive fine (RFA) aggregates were monitored over one year using linear and nonlinear resonance techniques. Although the linear resonance test could detect initiation and development of ASR damage in RCA specimens, it failed in the RFA specimens. Petrographic analysis confirmed the presence of early-stage ASR damage and the presence of different microcracking patterns in the RFA and RCA specimens, which may explain differences in the linear resonance data. For both RCA and RFA specimens, the nonlinear resonance test results were able to detect the initiation of ASR damage and showed a strong correlation with the ASR expansion for all specimens from different mix designs. The results demonstrate the high sensitivity of the nonlinear resonance test and its potential for quantitative evaluation of the ASR damage state of concrete specimens without a baseline measurement.
- Research Organization:
- University of Nebraska, Lincoln, NE (United States)
- Sponsoring Organization:
- USDOE; USDOE Office of Nuclear Energy (NE), Nuclear Energy University Program (NEUP)
- Grant/Contract Number:
- NE0008544
- OSTI ID:
- 1977025
- Alternate ID(s):
- OSTI ID: 1817283
- Journal Information:
- Construction and Building Materials, Journal Name: Construction and Building Materials Journal Issue: C Vol. 303; ISSN 0950-0618
- Publisher:
- ElsevierCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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