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Lei Fu, Qizhi Tang, Peng Gao, Jingzhou Xin and Jianting Zhou
The shallow features extracted by the traditional artificial intelligence algorithm-based damage identification methods pose low sensitivity and ignore the timing characteristics of vibration signals. Thus, this study uses the high-dimensional feature ex...
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Wenda Ma, Bo Wu, Dingsong Qin, Bin Zhao and Xianyi Yang
The frequently conventional assumption that bridge temperature is uniformly distributed on long-span bridges could lead to uncertainty when analyzing temperature effects. This study investigated the surface temperature of steel box girders on a long-span...
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Xiaolong Zhou, Taoxin Deng, Li Chen, Jie Chen, Ao Li, Qijie Yuan, Wei Fang and Jianfeng Gu
In the construction process of large-scale bridges, there are uncertainties and time-varying factors in the environment and construction loads. It is difficult to make accurate estimates of the theoretical calculation models of construction control in ad...
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Zhiqiang Han, Gang Xie, Yongjun Zhou, Yajuan Zhuo, Yelu Wang and Lin Shen
To overcome the limitations of using time interval division to calculate the bridge impact coefficient (IM), a sieving method has been proposed. This method employs multiple sieves on bridge time?history curve samples to ultimately obtain the bridge impa...
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Yafei Wang, Changfa Zhou, Jiwei Zhong, Zhengxing Wang, Wenfan Yao, Yuyin Jiang and Shujin Laima
The increasing number of suspension bridges has led to designs favoring greater length and flexibility, resulting in a common problem of vortex-induced vibration. While vortex-induced vibration typically does not cause structural damage, it diminishes th...
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Yi Su, Jin Di, Shaopeng Li, Bin Jian and Jun Liu
The traditional method for calculating the buffeting response of long-span bridges follows the strip assumption, and is carried out by identifying aerodynamic parameters through sectional model force or pressure measurement wind tunnel tests. However, th...
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Zhenhao Zhang, Hesheng Li, Jun Xiong, Fuming Wang, Leijun Wei and Lu Ke
This article studies the quantitative relationship between the target reliability index and the design service life for concrete main girders of cable-stayed bridges. A resistance degradation model of the concrete components is established by quantifying...
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Yang Chen, Weibing Wan, Jimi Hu, Yuxuan Wang and Bo Huang
At present, there is no uniform definition of annotation schemes for causal extraction, and existing methods are limited by the dependence of relations on long spans, which makes complex sentences such as multi-causal relations and nested causal relation...
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Yuxiang Zhang, Reamonn MacReamoinn, Philip Cardiff and Jennifer Keenahan
Aerodynamic performance is of critical importance to the design of long-span bridges. Computational fluid dynamics (CFD) modelling offers bridge designers an opportunity to investigate aerodynamic performance for long-span bridges during the design phase...
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Marame Brinissat, Richard Paul Ray and Rajmund Kuti
This paper presents the results of a recent field test carried out before the opening phases of the Szapáry motorway bridge across the Tisza River in central Hungary. The evaluation test was based on static and dynamic load tests that provided informatio...
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Minseo Jang, Yunwoo Lee, Deokhee Won, Young-Jong Kang and Seungjun Kim
Owing to the structural characteristics of floating-type structures, they can be effectively applied to overcome the limitation of conventional long-span bridges in deep water. Unlike cable-supported bridges with fixed towers, floating cable-supported br...
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César Calderón, Roberto Duncan
Pág. pp. 103 - 132
Recent research has found evidence that supports the purchasing power parity (PPP) condition in developed countries using very long-span data, while evidence for developing countries is almost nonexistent. This paper tries to fulfill this void by testing...
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Zheheng Chen, Tong Guo, Shaobo Liu and Weiwei Lin
The parameters affecting structural reliability are usually regarded as independent random variables in the current reliability analyses of bridge structures while the randomness of these structural parameters in spatial distribution is neglected. To ove...
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Weiyuan Zhu, Jiaqi Cheng, Yutao Pang, Hongbin An, Junpeng Zou, Jie Ren and Cheng Zhang
This study proposes a new form of underground diaphragm wall foundation with hexagonal sections, called the grid pile foundation (GPF), which is used for long-span bridges. To investigate the lateral bearing capacity characteristics of the integrated pil...
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Fan Yang, Hanwei Zhao, Aiqun Li and Zhao Fang
Rail-cum-road cable-stayed bridges are widely used to span rivers, bays, and valleys. It is vital to understand the vibration behavior of the cables, which are the crucial load-bearing components of a cable-stayed bridge, as it is the leading cause of ca...
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Hao Luo, Chuyi Xu, Xianbei Gan, Mougang Liu, Xiangrong Guo and Hui Guo
The track smoothness of high-speed railroads is severely limited to ensure train performance. The concrete continuous girder bridge is deformed to influence the smoothness of the bridge decks and track caused by creep bulge. There is a need to research t...
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Zhiping Zeng, Xiangdong Huang, Weidong Wang, Bin Zhu, Zheng Zhang and Di Wang
This paper uses the long-span steel truss slab track as its research subject to analyze the new type of sleeper slab track structure with an experimental method. Firstly, a full-scale model was established in the laboratory to form a ?rail?sleeper slab?s...
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Chao Zhang, Guanghui Fu, Zhichao Lai, Xiuli Du, Piguang Wang, Huihui Dong and Hongyu Jia
The research conclusion on the velocity impulse effect and non-uniform excitation in this paper can be used to guide the seismic design of cable-stayed bridges.
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Guolong Zhang, Qingwen Zhang, Feng Fan and Shizhao Shen
This study provides a simplified method that can be applied to help preliminarily estimate the snow load on a complex roof by combining the snow loads on several simple roofs, which have been provided in the load code or obtained by numerical studies.
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Hongye Gou, Wen Zhou, Changwei Yang, Yi Bao and Qianhui Pu
In this study, a dynamic response analysis procedure is proposed and applied to investigate the dynamic responses of a straddle-type concrete-filled steel tube tied arch bridge under train and truck loadings. A numerical model of the coupled monorail tra...
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