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Xuhui He, Zhiyu Wang, Chao Li, Ce Gao, Yongfeng Liu, Changpeng Li and Bin Liu
This paper presents an experimental study on the box girder of a low-tower cable-stayed railway bridge with a W-shaped section that consists of prestressed concrete diagonal braces. A 1:6 scale test model was designed and constructed for the experiment. ...
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Max Käding and Steffen Marx
Acoustic emission monitoring (AEM) has emerged as an effective technique for detecting wire breaks resulting from, e.g., stress corrosion cracking, and its application on prestressed concrete bridges is increasing. The success of this monitoring measure ...
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Jie Liu, Xiangyu Huang, Juanjuan Chen and Qiaoyun Wu
The excessive deflection of large-span cantilever cast prestressed concrete (LCCPC) box girders has always been a complex problem to be solved in bridge engineering. To analyze the effect of shear deformation at segmental joints on the deflection of LCCP...
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Andreas Döring, Markus Vogelbacher, Oliver Schneider, Jacob Müller, Stefan Hinz and Jörg Matthes
Prestressed concrete bridges built between 1960 and 1990 no longer meet today?s requirements due to loads and increasing mileage of higher loads that have increased since the bridges were designed. Prestressed concrete bridges are representative of Germa...
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Yicong Chen, Jialiang Zhou, Baochun Chen, Jiazhan Su and Camillo Nuti
The present study was conducted to clarify the flexural behaviors of the Composite Girders of a Prestressed Segmental Ultra-High-Performance Concrete (UHPC) Channel and a Reinforced Conventional Concrete Deck (PSUC-RCCD). The girders can be used as bridg...
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Qiangru Shen, Jingcheng Chen, Changqi Yue, Hui Cao, Chong Chen and Wangping Qian
Bridges are generally affected by thermal loads which include the daily cycle, seasonal cycle and annual cycle. Thermal loads mode and thermal effects on bridges, especially for concrete girders, are quite essential but complicated. To investigate the te...
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Andrea Miano, Annalisa Mele, Irene Della Ragione, Antimo Fiorillo, Marco Di Ludovico and Andrea Prota
The Italian infrastructure network of roads and bridges is one of the most complex in the world due to the territory orography. Italy is strongly interested in seismic and hydrogeological hazards, and, in addition, degradation and obsolescence phenomena ...
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Rabindra Adhikari, Pratyush Jha, Lalit Bhatt, Dipesh Thapa, Davide Forcellini and Dipendra Gautam
On 6 April 2021, a 200 m-long under-construction prestressed concrete bridge failed in the Chitwan District in central Nepal. Two of the four bridge spans collapsed without any notable evidence of dynamic force application. Under-construction bridge fail...
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Yuanxun Zheng, Shaoqiang Wang, Peng Zhang, Tongxin Xu and Jingbo Zhuo
The development and application of nondestructive testing technology for prestressed reinforced concrete structures in the field of infrastructure construction were summarized in this study via the analysis of relevant literature worldwide. The detection...
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Haikuan Liu, Jie Li, Junfeng Zhang and Dongyuan Pang
Prestressed concrete girder bridges are widely used worldwide due to their mature construction technology, economical cost, and low maintenance. After a certain number of years of service, prestressed concrete girders inevitably suffer from deterioration...
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