Seismic performance assessment of a super high-rise twin-tower structure connected with rotational friction negative stiffness damper and lead rubber bearing

2022 ◽  
Vol 152 ◽  
pp. 107039
Author(s):  
Wei Guo ◽  
Longlong Guo ◽  
Zhipeng Zhai ◽  
Shu Li
Keyword(s):  
Performance Assessment ◽  
Seismic Performance ◽  
Negative Stiffness ◽  
Seismic Performance Assessment ◽  
High Rise ◽  
Rubber Bearing ◽  
Lead Rubber Bearing ◽  
Tower Structure

scholarly journals A Review on the Seismic Performance Assessment of Steel Diagrid Structures

2021 ◽  
Author(s):  
Nourin N ◽  
Hazeena R ◽  
Asif Basheer
Keyword(s):  
Performance Assessment ◽  
Seismic Performance ◽  
Cost Effective ◽  
Structural Systems ◽  
Lateral Loads ◽  
Structural System ◽  
Seismic Performance Assessment ◽  
Structural Efficiency ◽  
High Rise ◽  
Major Factors

In recent years, there is rapid increase in the construction of high rise structures due to the increase in population, high cost of land and restriction in horizontal growth due to less space. The advancements in the development of technological solutions and construction methods of high rise structures led to the innovative structural systems. One of the important criteria that need to be considered in the design of high rise structures is minimization of lateral loads. Hence, the importance of lateral load resisting system increased than structural systems that resist gravitational loads. Lateral loading due to wind and earthquake are the major factors that have to be considered in the design of high-rise structures. Diagrid structural system is recognized as a unique system in construction of high rise structures which is a variation of tubular structures. It consists of inclined members instead of vertical columns in conventional structures to carry both gravity and lateral loads. It gains popularity due to its structural efficiency and aesthetic potential gained by its unique geometric configuration. The present work reviews studies regarding seismic performance assessment of steel diagrid structures, studies on seismic performance factors of steel diagrid structures, impact of shear-lag effect and comparative studies on diagrids. Diagrids are found to be an efficient structural system for high rise structures in terms of structural efficiency as well as aesthetics. Also, it provides more economy, in terms of consumption of steel, thus making it cost-effective and eco-friendly.

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