Earthquake Response Control of Building Using Skin Facades
Date Issued
2014
Date
2014
Author(s)
Ding, Bo-Ting
Abstract
This research designs a type of skin facade (SF system) to control 1st mode vibration of primary structure. Three experimental cases are conducted in order to compare the control effectiveness of each case. A set of SF system consists of a window-shaped plate and two viscos dampers. The vibration of the window-shaped plate can provide additional stiffness to the primary structure. The window-shaped plate can be installed additional mass to tune the vibration frequency. Thus, the stiffness provided by SF system can be altered. The installment of two viscos dampers can provide additional damping to the primary structure. The concept of this SF system is similar to the conventional tuned mass dampers. Both systems contain a dashpot system to absorb energy. Furthermore, the vibration of the window-shape plate can also regulate the atmosphere and make this SF system more eco-friendly. The primary structure is NEREE’s eight-floor shear frame building. Three cases are conducted on shaking table. The EL Centro, Kobe, and TUC129 excitations are used for shaking table test. Performance test of viscos dampers are conducted before shaking table test to identify damping coefficient. Use subspace identification method to identify the dynamic properties of SF systems and compare the results with each case. The primary structure motion can be substantially reduced by SF systems introduced in this research. However, some case’s control effectiveness is limited. Investigating the inferior case and the perfect case by analyzing transfer function of SF system can find difference between two cases and give a reasonable explanation. Further research is required for adjust the mechanism of the SF system to make the control effectiveness more effective.
Subjects
skin facades
窗型調和質量阻尼器
Type
thesis
File(s)![Thumbnail Image]()
Loading...
Name
ntu-103-R01521204-1.pdf
Size
23.32 KB
Format
Adobe PDF
Checksum
(MD5):17e46df9dc07bd9fc3f98d233b7e8679