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半幅保通更换桥面铺装层裂缝产生原因分析及处理措施 被引量:1
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作者 周锡刚 《科技传播》 2016年第12期206-207,共2页
公路大、中修工程桥面拆除重铺中出现的裂缝的原因分析及处理措施。
关键词 桥面重铺 裂缝 分析 处理措施
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Fatigue damage analysis of epoxy asphalt pavement for steel bridges considering coupled effects of heavy load and temperature variations 被引量:4
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作者 Liu Yang Qian Zhendong Zhang Meng 《Journal of Southeast University(English Edition)》 EI CAS 2017年第4期478-483,共6页
To investigate the fatigue damage of epoxy asphalt pavement(EAP)under a heavy load and a d temperature load,the load-figure of the heavy load on the steel bridge deck pavement(SBDP)was simulated first,and the temperat... To investigate the fatigue damage of epoxy asphalt pavement(EAP)under a heavy load and a d temperature load,the load-figure of the heavy load on the steel bridge deck pavement(SBDP)was simulated first,and the temperature distribution of SBDP during the temperature-fall period in winter was also calculated.Secondly,t e moving heavy load coupled W t the most unfavorable temperatre load was applied to the SBDP,and the tensile stress on the top of SBDP was calculated.Finally,the fatigue damage of EAP was evaluated considering the extreme situation of heavily overloaded and severe environments.The results show that botte heavy load and the temperature load during t e temperature-fall period c n increase the tensile stress on the top of SBDP significantly.In the exteme situation of heavily overloaded and severe environments,a fatigue crack is easily generated,and thus the SBDP should avoid t e coupling effects of the heavy loadand the temperature load in winter. 展开更多
关键词 epoxy asphalt concrete steel bridge deck pavement fatigue crack heavy load temperatre load
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