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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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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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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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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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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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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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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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Xiao Huang, Zhixiang Hu, Yunlin Liu and Liqing Nie
The seismic response characteristics of a lead-rubber-bearing(LRB) base-isolated structure under rare and very rare earthquakes were investigated. The acceleration, ductility coefficient, and shear strain of the LRB increase significantly under very rare...
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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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