Seismic Performance Analysis of RC Frame Core Tube Structure Considering Floor Parameters

2020 ◽  
pp. 1567-1573
Author(s):  
Qisu Zhu ◽  
Shihua Zou ◽  
Bing Yang
Keyword(s):  
Performance Analysis ◽  
Seismic Performance ◽  
Rc Frame ◽  
Core Tube ◽  
Tube Structure

Seismic Performance Research of High-Rise Diagrid Tube-Core Tube Structures

2010 ◽  
Vol 163-167 ◽  
pp. 2005-2012 ◽  
Author(s):  
Jun Teng ◽  
Wei Liang Guo ◽  
Bai Sheng Rong ◽  
Zuo Hua Li
Keyword(s):  
Performance Analysis ◽  
Seismic Performance ◽  
Force Distribution ◽  
Lateral Stiffness ◽  
Related Factors ◽  
Concrete Core ◽  
Core Tube ◽  
High Rise ◽  
Performance Research ◽  
Tube Structure

Diagrid tube structure system has advantages on constructing high-rise buildings due to its great stiffness, however, its seismic performance analysis are limited. 10 CFST diagrid tube-concrete core tube structures are analyzed by Mode-Pushover method using Perform-3D program. The plasticity developing process and components yield order are summarized. The force distribution between diagrid and core tubes is researched and the force redistribution reason is explained from the change of diagrid tube forces. The structure lateral stiffness degradation is discussed based on the developing process of diagrid and core tubes lateral stiffness. The influences of main lateral stiffness related factors on the structure plasticity developing process, force distribution and stiffness change of the tubes are discussed at last.

scholarly journals A Comparative Test Study on the Seismic Damage Sustained by Frame-Core Tube Structures

2019 ◽  
Vol 2019 ◽  
pp. 1-19
Author(s):  
Zuohua Li ◽  
Liang Chen ◽  
Jun Teng
Keyword(s):  
Seismic Performance ◽  
Seismic Design ◽  
Optimization Model ◽  
Design Method ◽  
Seismic Damage ◽  
Comparative Test ◽  
Core Tube ◽  
Damage States ◽  
The Relationship ◽  
Tube Structure

The overall damage sustained by a structure can be controlled in the current damage-based seismic design, but the rationality of the relationship among the damage states of the components in the structure and the influences of those states on the overall seismic performance of the structure are currently ignored. In response to this problem, a comparative test was performed in this paper to study the seismic damage performances of two frame-core tube structure models, namely, an optimization model designed through the optimization of the component damage states to achieve the relationship among those damage states proposed in this paper and a normative model designed through the seismic design method based on Chinese codes. By comparing the experimental data of these two models, the relationship among the component damage states was discussed comprehensively, and the influences of those states on the overall seismic performance of the frame-core tube structure were analyzed. The proposed relationship among the component damage states in the optimization model can effectively limit the development of overall damage and improve the internal force response of the structure.

Case study on comparison between Chinese and American design of high-rise RC frame-core-tube structure

2018 ◽  
Author(s):  
Congzhen Xiao
Keyword(s):  
Rc Frame ◽  
Core Tube ◽  
High Rise ◽  
Tube Structure

<p>Two identical high-rise reinforced concrete (RC) frame-core-tube structures, located in Beijing China and San Francisco America, respectively, are designed using the Chinese and the American codes. Methods to determine load, seismic action, and material strength for seismic design in the Chinese and American codes are presents in this paper, and the major differences of design results are compared. Elastic response of the two structures are calculated by the mode-superposition response spectrum method, and the member dimension, dynamic characteristics, displacement, and reinforcement are compared. Furthermore, the dynamic elastic-plastic behavior is conducted using 10 sets of earthquake waves to analyze the collapse probability. Results reveal that the two structures designed by the Chinese and American codes show some differences in the dynamic behavior, displacement and reinforcement in the boundary restraint elements of shear walls due to the different design methods in the Chinese and American codes.</p>

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