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O. L. Zakora
Pág. 118 - 123
The results of theoretical and experimental tests of the constructional, dynamic and constructive damping of vibrations of the bridge span structures have been considered.
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H. S. Zhelezniak,K. I. Soldatov
Pág. 80 - 87
In this paper on the example of continuous spans of bridges the asymmetry influence of the scheme on the frequency and forms of natural oscillations is investigated. It is shown that under certain span lengths of regular schemes the use of them to determ...
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K. I. Soldatov,H. S. Zhelezniak,K. V. Hurzhii
Pág. 221 - 226
The article is devoted to the possibility of replacement of complex inseparable irregular bridge structures by their regular counterparts, with minimal errors in definition of the own frequencies. The analysis has been performed on a real five-span bridg...
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B. D. Sukhorukov,M. K. Zhurbenko
Pág. 213 - 219
The article considers the results of testing an 18m-long sectional span structure, manufactured under project BCK 31-81.
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O. O. Rashchepkin
Pág. 198 - 207
The existent carrying capacity evaluation method of operational bridge structures (Classification method) was developed in 1930. All the calculations represented there are oriented on hand computation methods and do not take into account some features of...
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Xiaoyun Zhang, Xiaoan Zhang, Jiangang Xu, Li Yang and Gao Song
In the actual operation of urban rail transit (URT), the vibrations of steel-spring floating-slab tracks (SSFSTs) are amplified, and the track structure has strong low-frequency acoustic radiation; therefore, it is necessary to study the acoustic radiati...
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K. Y. Soldatov,A. H. Kriuk
Pág. 161 - 164
The article, based on the example of an existing metal arch bridge in Zaporozhye, considers application of the «resilient models» technique in calculations of oscillations and stability of such structures. The own free vertical oscillations of the arch s...
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V. I. Borshchov,V. I. Klymov
Pág. 61 - 66
Development of drainage defects, the defects of concrete coating, corrosion of the ferroconcrete rods and vatting of solution of railway span structures, made from conventional rod fixtures, due to ageing processes, have been analysed. The dependence has...
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V. I. Solomka,V. L. Horobets,V. I. Borshchov
Pág. 174 - 179
The article proposes fundamentals of working method of assessment of technical state of reinforced concrete span structures of bridges and determination of the volume and structure of their current maintenance, developed with the use of methods of reliab...
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Lin Xiao, Yaxi Huang and Xing Wei
This study uses the wind?vehicle?bridge coupling vibration analysis method to investigate the bridge stiffness problem of a large-span cable-stayed-suspension cooperative system. On the basis of the particle-damping-spring vehicle model, the TMeasy surfa...
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Stefano Caldera, Stefano Barindelli, Fernando Sansò and Livia Pardi
This paper deals with the problem of geodetic monitoring of structures by means of permanent GNSS stations, with a focus on a specific project of monitoring a bridge by a small network of three stations. What is peculiar about this paper is that the stat...
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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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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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V. I. Solomka,V. L. Horobets,V. I. Borshchov
Pág. 180 - 185
The article enlists fundamentals of the proposed method of estimating the volume and structure of currentmaintenance of reinforced concrete spans of bridges, according to their current state, developed with the use of methods of reliability theory and ma...
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Jiuzhi Fu, Yang Zhang and Yanyue Qin
In this investigation, the effects of different fabrics with 0.20% carbon fiber textile (CFT), 0.21% glass fiber textile (GFT), and 0.25% basalt fiber textile (BFT) on the properties of TR-UHPC were investigated by axial tensile tests. A bending test of ...
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Fengkun Cui, Linlin Song, Xingyu Wang, Mian Li, Peng Hu, Shuwen Deng, Xinyue Zhang and Huihui Li
The combined action of freeze?thaw cycles and chloride-induced corrosion are generally recognized as one of the main causes of the degradation of the mechanical properties and seismic performance of reinforced concrete (RC) structures in the northern fro...
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Yutai Yang, Weizhe Sun and Guoshao Su
Aiming at the characteristics of high computational cost, implicit expression and high nonlinearity of performance functions corresponding to large and complex structures, this paper proposes a support-vector-machine- (SVM) based grasshopper optimization...
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Marija Ku?ter Maric, Ana Mandic Ivankovic, Mladen Srbic and Dominik Skokandic
Assessment of a single bridge and management system for all bridges in the network is still a major challenge, although much research has been carried out and implemented in existing networks over the last four decades. This paper presents a case study o...
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Reza Haghani, Jincheng Yang, Marte Gutierrez, Christopher D. Eamon and Jeffery Volz
Soil?steel composite bridges (SSCB) have become increasingly popular for short-span bridges as an alternative to concrete slab bridges mainly due to their low initial cost, rapid manufacture, simplified construction, and geometrical adaptability. SSCBs h...
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