Tests and Numerical Studies on Strain-Rate Effect on Compressive Strength of Recycled Aggregate Concrete
© 2019 American Society of Civil Engineers. In this study, the compressive strength of recycled aggregate concrete (RAC) was investigated by conducting quasi-static and split Hopkinson pressure bar (SHPB) tests. Three types of RAC specimens with recycled coarse aggregate (RCA) replacement percentage...
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| Format: | Journal Article |
| Language: | English |
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ASCE-AMER SOC CIVIL ENGINEERS
2019
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| Online Access: | http://purl.org/au-research/grants/arc/DE160101116 http://hdl.handle.net/20.500.11937/91671 |
| _version_ | 1848765574517096448 |
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| author | Guo, J. Chen, Q. Chen, Wensu Cai, J. |
| author_facet | Guo, J. Chen, Q. Chen, Wensu Cai, J. |
| author_sort | Guo, J. |
| building | Curtin Institutional Repository |
| collection | Online Access |
| description | © 2019 American Society of Civil Engineers. In this study, the compressive strength of recycled aggregate concrete (RAC) was investigated by conducting quasi-static and split Hopkinson pressure bar (SHPB) tests. Three types of RAC specimens with recycled coarse aggregate (RCA) replacement percentages (i.e., 30%, 70%, and 100%) and the natural aggregate concrete (NAC) specimen as reference were prepared and tested. Failure modes of the specimens were observed and compared, and dynamic compressive strength was recorded. The effect of different RCA replacement percentages on the compressive strength under quasi-static and dynamic loads was studied. The empirical formulae were proposed for dynamic increase factor (DIF) of the compressive strength for RAC. In this study, the DIF of compressive strength raises with the rising RCA replacement percentage. Besides, the continuous surface cap model (CSCM) is developed by considering strain rate effect for RAC material, and its accuracy is calibrated with the SHPB testing data by using LS-DYNA. The numerical results show that CSCM incorporating strain rate effect can yield more accurate prediction on dynamic compressive strength of RAC. |
| first_indexed | 2025-11-14T11:37:25Z |
| format | Journal Article |
| id | curtin-20.500.11937-91671 |
| institution | Curtin University Malaysia |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-14T11:37:25Z |
| publishDate | 2019 |
| publisher | ASCE-AMER SOC CIVIL ENGINEERS |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | curtin-20.500.11937-916712023-05-23T08:56:13Z Tests and Numerical Studies on Strain-Rate Effect on Compressive Strength of Recycled Aggregate Concrete Guo, J. Chen, Q. Chen, Wensu Cai, J. Science & Technology Technology Construction & Building Technology Engineering, Civil Materials Science, Multidisciplinary Engineering Materials Science Recycled aggregate concrete (RAC) Dynamic compressive strength Strain rate effect Dynamic increase factor (DIF) Continuous surface cap model (CSCM) REINFORCED-CONCRETE IMPACT BEHAVIOR PERFORMANCE SIMULATION © 2019 American Society of Civil Engineers. In this study, the compressive strength of recycled aggregate concrete (RAC) was investigated by conducting quasi-static and split Hopkinson pressure bar (SHPB) tests. Three types of RAC specimens with recycled coarse aggregate (RCA) replacement percentages (i.e., 30%, 70%, and 100%) and the natural aggregate concrete (NAC) specimen as reference were prepared and tested. Failure modes of the specimens were observed and compared, and dynamic compressive strength was recorded. The effect of different RCA replacement percentages on the compressive strength under quasi-static and dynamic loads was studied. The empirical formulae were proposed for dynamic increase factor (DIF) of the compressive strength for RAC. In this study, the DIF of compressive strength raises with the rising RCA replacement percentage. Besides, the continuous surface cap model (CSCM) is developed by considering strain rate effect for RAC material, and its accuracy is calibrated with the SHPB testing data by using LS-DYNA. The numerical results show that CSCM incorporating strain rate effect can yield more accurate prediction on dynamic compressive strength of RAC. 2019 Journal Article http://hdl.handle.net/20.500.11937/91671 10.1061/(ASCE)MT.1943-5533.0002937 English http://purl.org/au-research/grants/arc/DE160101116 ASCE-AMER SOC CIVIL ENGINEERS fulltext |
| spellingShingle | Science & Technology Technology Construction & Building Technology Engineering, Civil Materials Science, Multidisciplinary Engineering Materials Science Recycled aggregate concrete (RAC) Dynamic compressive strength Strain rate effect Dynamic increase factor (DIF) Continuous surface cap model (CSCM) REINFORCED-CONCRETE IMPACT BEHAVIOR PERFORMANCE SIMULATION Guo, J. Chen, Q. Chen, Wensu Cai, J. Tests and Numerical Studies on Strain-Rate Effect on Compressive Strength of Recycled Aggregate Concrete |
| title | Tests and Numerical Studies on Strain-Rate Effect on Compressive Strength of Recycled Aggregate Concrete |
| title_full | Tests and Numerical Studies on Strain-Rate Effect on Compressive Strength of Recycled Aggregate Concrete |
| title_fullStr | Tests and Numerical Studies on Strain-Rate Effect on Compressive Strength of Recycled Aggregate Concrete |
| title_full_unstemmed | Tests and Numerical Studies on Strain-Rate Effect on Compressive Strength of Recycled Aggregate Concrete |
| title_short | Tests and Numerical Studies on Strain-Rate Effect on Compressive Strength of Recycled Aggregate Concrete |
| title_sort | tests and numerical studies on strain-rate effect on compressive strength of recycled aggregate concrete |
| topic | Science & Technology Technology Construction & Building Technology Engineering, Civil Materials Science, Multidisciplinary Engineering Materials Science Recycled aggregate concrete (RAC) Dynamic compressive strength Strain rate effect Dynamic increase factor (DIF) Continuous surface cap model (CSCM) REINFORCED-CONCRETE IMPACT BEHAVIOR PERFORMANCE SIMULATION |
| url | http://purl.org/au-research/grants/arc/DE160101116 http://hdl.handle.net/20.500.11937/91671 |