Low-Cycle Fatigue Cracking of DelDOT BR 1-501: A Case Study

机译：DelDOT BR 1-501的低周疲劳开裂：案例研究

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Rehabilitation of the Newport Viaduct began in 2010 and was complete in 2015. Various construction stages temporarily shifted traffic onto the outside shoulders during that period. In March 2015, fatigue cracks were discovered in the diaphragms of the steel tub fascia girders at interior piers at the tops of internal plate diaphragms and external connection plates. Metallurgical examination indicated the cracks propagated at high growth rates. The cause was investigated.

机译：纽波特高架桥的修复工作于2010年开始，并于2015年完成。在此期间，各个施工阶段将交通暂时转移到了外面。 2015年3月，在内板隔板和外部连接板顶部的内部墩处，在钢管筋膜梁的隔板上发现了疲劳裂纹。冶金检查表明，裂纹以高生长速率扩展。对原因进行了调查。

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《》|2019年|601-612|共12页
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JAMES BELLENOIT;
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low-cycle fatigue; tub girders; out-of-plane displacements; staged construction; traffic shifts;

机译：低周疲劳;浴缸大梁;平面外位移;分阶段施工;交通变化;

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专利

1. Fatigue properties of 316 stainless steel and its failure due to internal cracks in low-cycle and extremely low-cycle fatigue regimes [J] . Masayuki Kamaya International Journal of Fatigue . 2010,第7期

机译：316不锈钢的疲劳特性及其在低循环和极低循环疲劳状态下的内部裂纹导致的失效
2. STUDY OF FATIGUE CRACK PROPAGATION AND BEHAVIOUR ANALYSIS IN LOW-CYCLE FATIGUE OF ZI20M12 HADFIELD STEEL [J] . E. Danezis, Y. Chryssoulakis, G. Chappuis la metallurgia italiana . 1998,第7a8期

机译：ZI20M12硬质合金低周疲劳疲劳裂纹扩展及性能分析的研究
3. Effects of ε-martensitic transformation on crack tip deformation, plastic damage accumulation, and slip plane cracking associated with low-cycle fatigue crack growth [J] . Ju Yunbyum, Koyama Motomichi, Sawaguchi Takahiro, International Journal of Fatigue . 2017,第octa期

机译：ε马氏体转变对低周疲劳裂纹扩展相关的裂纹尖端变形，塑性损伤累积和滑移面裂纹的影响
4. Low-Cycle Fatigue Cracking of DelDOT BR 1-501: A Case Study [C] . JAMES BELLENOIT International bridge conference . 2019

机译：Deldot BR 1-501的低周期疲劳裂解：案例研究
5. Surface analytical studies and theoretical modelling of defect behavior, surface topography and crack nucleation in fatigued materials [D] . Venkataraman, Gourishankar. 1990

机译：疲劳材料的缺陷行为，表面形貌和裂纹成核的表面分析研究和理论模型
6. Remaining Life Assessment for Steel After Low-Cycle Fatigue by Surface Crack Image [O] . Che-Si Shi, Bin Zeng, Gui-Long Liu, 2019

机译：利用表面裂纹图像评估低周疲劳后钢的剩余寿命
7. Correlation between crack length and load drop for low-cycle fatigue crack growth in Ti-6242 [O] . Brommesson, Rebecka, Ekh, Magnus, Hörnqvist, Magnus 2015

机译：Ti-6242低周疲劳裂纹扩展的裂纹长度与载荷下降之间的关系
8. An Investigation of the Rotating-Ream Test for Low-Cycle Fatigue Crack Propagation Studies [R] . E. A. Lange, T. W. Crooker, R. E. Morey 1964

机译：低周疲劳裂纹扩展研究的旋转 - 扩孔试验研究

Low-Cycle Fatigue Cracking of DelDOT BR 1-501: A Case Study

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