Influence of Crack on Concrete Damage in Salt-Freezing Environment
The damage development trend of concrete with cracks in salt-freezing environment is systematically studied. The cracks are also tested in intact concrete for comparison, and crack characterization is introduced. The mass loss, the relative dynamic elastic modulus, and the change of crack width are...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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Wiley
2021-01-01
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| Series: | Advances in Materials Science and Engineering |
| Online Access: | http://dx.doi.org/10.1155/2021/5543286 |
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| _version_ | 1850233657860554752 |
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| author | Guangyan Liu Song Mu Jingshun Cai Deqing Xie Ying Zhou Xiaocheng Zhou |
| author_facet | Guangyan Liu Song Mu Jingshun Cai Deqing Xie Ying Zhou Xiaocheng Zhou |
| author_sort | Guangyan Liu |
| collection | DOAJ |
| description | The damage development trend of concrete with cracks in salt-freezing environment is systematically studied. The cracks are also tested in intact concrete for comparison, and crack characterization is introduced. The mass loss, the relative dynamic elastic modulus, and the change of crack width are analyzed. Results show that the crack width increases as the salt-freezing cycle progresses. Following the development trend of the cracks, concrete cracks can be divided into three categories: 0–40, 40–100, and 100–150 μm. The mass loss increases significantly, and the change of relative dynamic elastic modulus decreases in concrete with an initial crack compared with the intact concrete. When the crack width is 80 μm, a maximum mass loss rate of 0.19% and a minimum relative dynamic elastic modulus of 75.81% can be obtained. These test results prove that crack and freeze-thaw coupling can influence each other and accelerate the failure of concrete. Overall, this study can serve as a basis for the durability design and life improvement of concrete structures. |
| format | Article |
| id | doaj-art-0c8c07e5e4f8491da32fb3e693d89389 |
| institution | OA Journals |
| issn | 1687-8434 1687-8442 |
| language | English |
| publishDate | 2021-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advances in Materials Science and Engineering |
| spelling | doaj-art-0c8c07e5e4f8491da32fb3e693d893892025-08-20T02:02:53ZengWileyAdvances in Materials Science and Engineering1687-84341687-84422021-01-01202110.1155/2021/55432865543286Influence of Crack on Concrete Damage in Salt-Freezing EnvironmentGuangyan Liu0Song Mu1Jingshun Cai2Deqing Xie3Ying Zhou4Xiaocheng Zhou5State Key Laboratory of High Performance Civil Engineering Material, Jiangsu Research Institute of Building Science, Nanjing 210008, ChinaState Key Laboratory of High Performance Civil Engineering Material, Jiangsu Research Institute of Building Science, Nanjing 210008, ChinaState Key Laboratory of High Performance Civil Engineering Material, Jiangsu Research Institute of Building Science, Nanjing 210008, ChinaState Key Laboratory of High Performance Civil Engineering Material, Jiangsu Research Institute of Building Science, Nanjing 210008, ChinaState Key Laboratory of High Performance Civil Engineering Material, Jiangsu Research Institute of Building Science, Nanjing 210008, ChinaState Key Laboratory of High Performance Civil Engineering Material, Jiangsu Research Institute of Building Science, Nanjing 210008, ChinaThe damage development trend of concrete with cracks in salt-freezing environment is systematically studied. The cracks are also tested in intact concrete for comparison, and crack characterization is introduced. The mass loss, the relative dynamic elastic modulus, and the change of crack width are analyzed. Results show that the crack width increases as the salt-freezing cycle progresses. Following the development trend of the cracks, concrete cracks can be divided into three categories: 0–40, 40–100, and 100–150 μm. The mass loss increases significantly, and the change of relative dynamic elastic modulus decreases in concrete with an initial crack compared with the intact concrete. When the crack width is 80 μm, a maximum mass loss rate of 0.19% and a minimum relative dynamic elastic modulus of 75.81% can be obtained. These test results prove that crack and freeze-thaw coupling can influence each other and accelerate the failure of concrete. Overall, this study can serve as a basis for the durability design and life improvement of concrete structures.http://dx.doi.org/10.1155/2021/5543286 |
| spellingShingle | Guangyan Liu Song Mu Jingshun Cai Deqing Xie Ying Zhou Xiaocheng Zhou Influence of Crack on Concrete Damage in Salt-Freezing Environment Advances in Materials Science and Engineering |
| title | Influence of Crack on Concrete Damage in Salt-Freezing Environment |
| title_full | Influence of Crack on Concrete Damage in Salt-Freezing Environment |
| title_fullStr | Influence of Crack on Concrete Damage in Salt-Freezing Environment |
| title_full_unstemmed | Influence of Crack on Concrete Damage in Salt-Freezing Environment |
| title_short | Influence of Crack on Concrete Damage in Salt-Freezing Environment |
| title_sort | influence of crack on concrete damage in salt freezing environment |
| url | http://dx.doi.org/10.1155/2021/5543286 |
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