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Han Li, Shengze Tian and Xinzhi Dang
Unbonded steel-mesh-reinforced rubber bearings (USRBs) have been proposed as an alternative isolation bearing for small-to-medium-span highway bridges. It replaces the steel plate reinforcement of common unbonded laminated rubber bearings (ULNR) with spe...
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Longfei Zhang, Xiang Lan, Kechuan Wu and Wenzheng Yu
When subjected to seismic activity, tall isolated buildings with a high aspect ratio are susceptible to overturning as a result of the failure of rubber isolation bearings under tension. In order to address this issue, a guided-rail tension device (GR) h...
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Qiang Pei, Pengfei Qi, Zhicheng Xue, Jintu Zhong and Yao Zhang
The aim of this study was to further research the mechanical properties of epoxy thick-layer rubber isolation bearings, adopting orthogonal design and efficacy coefficient methods in order to optimize the geometric dimensions and material parameters of t...
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Junjun Guo, Huaifeng Li, Changyong Zhang, Shihyu Chu and Xinzhi Dang
Continuous girder bridges have been extensively constructed in China over the past 30 years, and these bridges tend to experience severe damage under ground motions with velocity pulses. In the current research, an innovative linear friction damper (LFD)...
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Buqiao Fan, Xun?an Zhang, Yanjie Xiao, Mustapha Abdulhadi, Xinwei Wang and Muhammad Moman Shahzad
The mega-sub controlled structure system with laminate rubber bearings is an emerging seismic control system for high-rise buildings. The system is high-order statically indeterminate with numerous failure modes. To study the failure modes of the structu...
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Praveen Kumar Gupta, Goutam Ghosh, Virendra Kumar, Prabhu Paramasivam and Seshathiri Dhanasekaran
Lead Rubber Bearings (LRBs) represent one of the most widely employed devices for the seismic protection of structures. However, the effectiveness of the same in the case of curved bridges has not been judged well because of the complexity involved in cu...
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Francisco López Almansa, Dagen Weng, Tao Li and Bashar Alfarah
Base (seismic) isolation is a promising technology for seismic protection of buildings and other constructions. Nowadays, it is accepted that such a technique is efficient and reliable; however, it has two major limitations: soft foundation soil, and tal...
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Shen-Haw Ju, Cheng-Chun Yuantien and Wen-Ko Hsieh
This paper studies the seismic and micro vibrations of the high-tech factory with and without lead rubber bearings (LRBs) using the three-dimensional (3D) finite element analysis. The soil-structure interaction is included using the p-y, t-z, and Q-z non...
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The seismic hazard of vulnerable regions warrants the investigation of new technologies, such as base level isolation by lead rubber bearing (LRB) devices, that can help to mitigate structural damage on seismic prone buildings. The behavior adopting such...
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A. B. M. Saiful Islam
Pág. 354 - 363
Significantly growing construction in the earthquake vulnerable regions needs appropriate handling of seismic prone buildings. Insertion of high damping rubber bearing (HDRB) at the building base might be an attractive option for structural safety and ec...
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M. S. Khorolskyi,O. I. Skokov
Pág. 174 - 181
The research results, which have allowed creating the elastomer materials, technologies, methods of testing and forecasting the operation periods, are given, as well as the results of tests of rubber-reinforced pier parts of increased durability for brid...
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Qing Lyu, Baijie Zhu, Wensheng Lu, Bo Fu, Liangkun Liu, Wei Qian, Ming Zhou and Zhenya Zhang
A five-story moment frame structural model with a base isolation system was tested on a shaking table. The isolation system comprised both linear natural rubber bearing (LNR) and nonlinear viscous dampers (NLVDs). Seven ground motions were employed: incl...
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Vincenzo Calvanese and Alessandra Zambrano
The preservation of the authenticity of a building artifact in an archaeological area is a responsible practice. On the other hand, the need to save the building artifact from natural and anthropic degradation and ensuring the structural reliability as w...
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Yale Li, Zhouhong Zong, Bingwen Yang, Yuanzheng Lin and Jin Lin
The collapse control methods discussed in this paper provide evidence for the anti-collapse design of multi-span continuous girder bridges. In particular, it enhances the understanding of suitable collapse control methods.
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Guanjie Kong, Ziyu Wang and Youfa Yang
In view of the weak isolation and shock absorption effect of ordinary isolation bearings at present, a new track damping negative-stiffness device was designed based on the principle of negative stiffness. The principle of negative stiffness was applied ...
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R. I. Polyuga
Pág. 197 - 203
In the article the description of structural bearing types for roadway bridges and their classification is given. Special attention is paid to effective bearings with elastomeric materials ? rubber, pot, spherical ones. Characteristic defects o...
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Ciheng Zhang, Zhipeng Zang, Ming Zhao, Yanfei Chen and Jinfeng Zhang
The occurrence of a buried submarine pipeline crossing a channel becoming damaged by the impact of a falling anchor is becoming more common. It is important to analyze the dynamic response of pipelines exposed to such impact and develop effective protect...
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Antonello Salvatori, Giovanni Bongiovanni, Paolo Clemente, Chiara Ormando, Fernando Saitta and Federico Scafati
The behavior of a reinforced concrete building, seismically isolated with high damping rubber bearing (HDRB) and sliding devices (SD), observed during the most important events of the seismic sequence that struck central Italy from August 2016 to January...
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Pinar Usta
The earthquake performance of structures with seismic isolation is much better than that of fixed-base structures, and the application of seismic insulation ensures both structural integrity and the protection of the items present in the structures. The ...
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Duohua Wu, Zhiwen Li, Juli Li, Bo Peng and Hui Shen
To reduce the failure probability of rigid supporting structures caused by large deformation of deeply buried high-stress soft rock roadways, the mechanical properties and failure features of basalt fiber-rubber granular concrete (BFRGC) are investigated...
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