|
|||||
|
|
Research on the Fatigue Flexural Performance of RC Beams Attacked by Salt Spray |
|
| Authors: | MAO Jiang-hong XU Fang-yuan JIN Wei-liang ZHANG Jun WU Xi-xi and CHEN Cai-sheng |
| Institution: | Ningbo Institute of Technology, Zhejiang University, Ningbo 315100, China,Zhejiang Institute of Communications, Hangzhou 311112, China,Ningbo Institute of Technology, Zhejiang University, Ningbo 315100, China;Institute of Structural Engineering, Zhejiang University, Hangzhou 310058, China,Ningbo Institute of Technology, Zhejiang University, Ningbo 315100, China,Ningbo Institute of Technology, Zhejiang University, Ningbo 315100, China;Institute of Structural Engineering, Zhejiang University, Hangzhou 310058, China and Institute of Structural Engineering, Zhejiang University, Hangzhou 310058, China |
| Abstract: | The fatigue flexural performance of RC beams attacked by salt spray was studied. A testing method involving electro osmosis, electrical accelerated corrosion and salt spray was proposed. This corrosion process method effectively simulates real-world salt spray and fatigue loading exerted by RC components on sea bridges. Four RC beams that have different stress amplitudes were tested. It is found that deterioration by corrosion and fatigue loading reduces the fatigue life of the RC and decreases the ability of deformation. The fatigue life and deflection ability could be reduced by increasing the stress amplitude and the corrosion duration time. The test result demonstrates that this experimental method can couple corrosion deterioration and fatigue loading reasonably. This procedure may be applied to evaluate the fatigue life and concrete durability of RC components located in a natural salt spray environment. |
| Keywords: | reinforced concrete fatigue loading concrete durability coupling interaction evaluation |
| 点击此处可从《海洋工程》浏览原始摘要信息 | |
| 点击此处可从《海洋工程》下载免费的PDF全文 | |