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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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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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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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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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