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Federico Nunez, Sidney Guralnick, Thomas Erber
Pág. Page 135 - 146
series of SEM micro-graphs were obtained from the cracked surfaces of samples from two types of AISI-1018 steel after applying fatigue tests at a stress ratio ofR=-1. Various strain-control levels were used in the range ±0.0008 = ? = ±0.0014 following a ...
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Huayang Yu, Yihao Deng, Guansen Deng and Niya Dong
Fatigue failure in asphalt pavements, caused by continuous loading, primarily occurs at the interface between the asphalt binder and the aggregate (adhesive failure) or within the asphalt binder itself (cohesive failure). This study conducted variable st...
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Fang Wang and Weicheng Cui
Safety analysis and prediction of a marine structure is of great concern by many stakeholders and the general public. In order to accurately predict the structural reliability of an in-use marine structure, one needs to calculate accurately the fatigue c...
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Junrong Wang, Chunlei He, Dianfu Fu, Kuang He and Junfeng Du
Fatigue failure caused by frequent tension and bending loads is a crucial safety concern for mooring chains used on floating structures in the oil and gas industry. The bending effect for a chain?s fatigue is usually not considered by existing fatigue an...
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Alberto Encarnación-Martínez, Pedro Pérez-Soriano, Roberto Sanchis-Sanchis, Rafael Berenguer-Vidal and Antonio García-Gallart
Fatigue causes kinematics modifications during running, and it could be related to injuries. The aim was to identify and compare the effects of central and peripheral fatigue on angular kinematics and spatiotemporal parameters during running. Angular kin...
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Huating Chen, Yifan Zhuo, Yubo Jiao and Weigang Bao
The fatigue safety of cable-girder anchorage structures in cable-stayed bridges under long-term service has attracted much attention. For bridges located in seasonally cold regions, the effect of low-temperature environments should be considered when eva...
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Jian Sun, Lei Wu and Chengqi Sun
The notch (i.e., stress concentration) and defect are important factors influencing the conventional fatigue behavior of metallic materials. What is the influence of notches and defects on the dwell fatigue mechanism and fatigue life? In this paper, the ...
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Jinfeng Liu, Guoqing Feng, Jiaying Wang, Huilong Ren, Wei Song and Panpan Lin
Welding defects are known to cause crack propagation and reduce structural fatigue performance. Based on the Paris theory of fracture mechanics, research is conducted on evaluation methods for analyzing fatigue crack propagation by adopting random loads ...
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Mohamed R. Al-Mulla, Francisco Sepulveda and Bader Al-Bader
Surface electromyographic (sEMG) activity of the biceps muscle was recorded from 13 subjects. Data was recorded while subjects performed dynamic contraction until fatigue and the signals were segmented into two parts (Non-Fatigue and Fatigue). An evoluti...
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Mulian Zheng, Peng Li, Jiangang Yang, Hongyin Li, Yangyang Qiu and Zhengliang Zhang
Previously published studies have proposed fatigue life prediction models for dense graded asphalt pavement based on flexural fatigue test. This study focused on the fatigue life prediction of High Modulus Asphalt Concrete (HMAC) pavement using the local...
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Dajana Bartulovic, Sanja Steiner, Dario Fakle? and Martina Mavrin Jelicic
Conducting flight operations at the pace of air traffic relies on shift work, overtime work, work at night, work in different and numerous time zones, and unbalanced flight crew schedules. Such working hours and workload settings can cause disturbances o...
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Yan Li, Jibo He, Shi Cao, Jiajie Zheng, Yazhou Dou, Chenxi Liu and Xufeng Liu
During the COVID-19 pandemic, the question of how to reduce the risk of viral infection for international airline pilots without increasing the risk of fatigue was a novel and urgent theoretical and practical problem, which had never been encountered in ...
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Zhi Bian, Xiaojia Wang, Zhe Zhang, Chao Song, Tongzhou Gao, Weiping Hu, Linlin Sun and Xiao Chen
As a popular technique, additive manufacturing (AM) has garnered extensive utilization in various engineering domains. Given that numerous AM metal components are exposed to fatigue loads, it is of significant importance to investigate the life predictio...
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Jian-Xiong Gao, Fei Heng, Yi-Ping Yuan and Yuan-Yuan Liu
Fatigue damage accumulation will not only cause the degradation of material performance but also lead to the growth of effective stress and critical stiffness. However, the existing fatigue reliability models usually ignore the effective stress growth an...
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Idilson A. Nhamage, Ngoc-Son Dang, Claúdio S. Horas, João Poças Martins, José A. Matos and Rui Calçada
Railway infrastructures play a pivotal role in developing the national transportation system. Recently, the strategy of the railway engineer has been significantly shifted; along with the development of new assets, they tend to pay increasing attention t...
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Jibo He, Zixu Li, Yidan Ma, Long Sun and Ko-Hsuan Ma
Driver fatigue can be further categorized into passive fatigue and active fatigue based on the task-induced fatigue perspective, with its categorization necessary from a theoretical basis and practical needs. Passive fatigue is caused by mental underload...
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Davide Pederbelli, Luca Goglio, Davide Paolino, Massimo Rossetto and Andrea Tridello
Modern structures are designed to withstand in-service loads over a broad frequency spectrum. Nonetheless, mechanical properties in numerical codes are assumed to be frequency-independent to simplify calculations or due to a lack of experimental data, an...
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Karl van der Schyff, Greg Foster, Karen Renaud and Stephen Flowerday
Online users are responsible for protecting their online privacy themselves: the mantra is custodiat te (protect yourself). Even so, there is a great deal of evidence pointing to the fact that online users generally do not act to preserve the privacy of ...
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Junartho Halomoan, Kalamullah Ramli, Dodi Sudiana, Teddy Surya Gunawan and Muhammad Salman
More than 1.3 million people are killed in traffic accidents annually. Road traffic accidents are mostly caused by human error. Therefore, an accurate driving fatigue detection system is required for drivers. Most driving fatigue detection studies concen...
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Xinyi Ren, Elizabeth Pritchard, Caryn van Vreden, Sharon Newnam, Ross Iles and Ting Xia
Background: Fatigued driving is one of the leading factors contributing to road crashes in the trucking industry. The nature of trucking, prolonged working time, and irregular sleep patterns can negatively impact drivers? health and wellbeing. However, t...
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