Response Spectrum Method for MDOF System
Transcript of Response Spectrum Method for MDOF System
![Page 1: Response Spectrum Method for MDOF System](https://reader031.fdocuments.in/reader031/viewer/2022012103/616a073711a7b741a34e046d/html5/thumbnails/1.jpg)
Response Spectrum Method for MDOF System
![Page 2: Response Spectrum Method for MDOF System](https://reader031.fdocuments.in/reader031/viewer/2022012103/616a073711a7b741a34e046d/html5/thumbnails/2.jpg)
Response Spectrum Method for MDOF System
![Page 3: Response Spectrum Method for MDOF System](https://reader031.fdocuments.in/reader031/viewer/2022012103/616a073711a7b741a34e046d/html5/thumbnails/3.jpg)
Response Spectrum Method for MDOF System
![Page 4: Response Spectrum Method for MDOF System](https://reader031.fdocuments.in/reader031/viewer/2022012103/616a073711a7b741a34e046d/html5/thumbnails/4.jpg)
Response Spectrum Method for MDOF System
1
![Page 5: Response Spectrum Method for MDOF System](https://reader031.fdocuments.in/reader031/viewer/2022012103/616a073711a7b741a34e046d/html5/thumbnails/5.jpg)
Response Spectrum Method for MDOF System
![Page 6: Response Spectrum Method for MDOF System](https://reader031.fdocuments.in/reader031/viewer/2022012103/616a073711a7b741a34e046d/html5/thumbnails/6.jpg)
Response Spectrum Method for MDOF System
![Page 7: Response Spectrum Method for MDOF System](https://reader031.fdocuments.in/reader031/viewer/2022012103/616a073711a7b741a34e046d/html5/thumbnails/7.jpg)
Modal Combination Rules
Response Spectrum Method for MDOF System
![Page 8: Response Spectrum Method for MDOF System](https://reader031.fdocuments.in/reader031/viewer/2022012103/616a073711a7b741a34e046d/html5/thumbnails/8.jpg)
Response spectra of El-Centro, 1940 earthquake ground motion.
![Page 9: Response Spectrum Method for MDOF System](https://reader031.fdocuments.in/reader031/viewer/2022012103/616a073711a7b741a34e046d/html5/thumbnails/9.jpg)
Example 2
![Page 10: Response Spectrum Method for MDOF System](https://reader031.fdocuments.in/reader031/viewer/2022012103/616a073711a7b741a34e046d/html5/thumbnails/10.jpg)
Example 2
![Page 11: Response Spectrum Method for MDOF System](https://reader031.fdocuments.in/reader031/viewer/2022012103/616a073711a7b741a34e046d/html5/thumbnails/11.jpg)
Example 2
![Page 12: Response Spectrum Method for MDOF System](https://reader031.fdocuments.in/reader031/viewer/2022012103/616a073711a7b741a34e046d/html5/thumbnails/12.jpg)
Example 2
![Page 13: Response Spectrum Method for MDOF System](https://reader031.fdocuments.in/reader031/viewer/2022012103/616a073711a7b741a34e046d/html5/thumbnails/13.jpg)
Example 2
![Page 14: Response Spectrum Method for MDOF System](https://reader031.fdocuments.in/reader031/viewer/2022012103/616a073711a7b741a34e046d/html5/thumbnails/14.jpg)
Example 2
![Page 15: Response Spectrum Method for MDOF System](https://reader031.fdocuments.in/reader031/viewer/2022012103/616a073711a7b741a34e046d/html5/thumbnails/15.jpg)
Example 2
![Page 16: Response Spectrum Method for MDOF System](https://reader031.fdocuments.in/reader031/viewer/2022012103/616a073711a7b741a34e046d/html5/thumbnails/16.jpg)
Example 2
![Page 17: Response Spectrum Method for MDOF System](https://reader031.fdocuments.in/reader031/viewer/2022012103/616a073711a7b741a34e046d/html5/thumbnails/17.jpg)
Example 2
![Page 18: Response Spectrum Method for MDOF System](https://reader031.fdocuments.in/reader031/viewer/2022012103/616a073711a7b741a34e046d/html5/thumbnails/18.jpg)
Example 2
![Page 19: Response Spectrum Method for MDOF System](https://reader031.fdocuments.in/reader031/viewer/2022012103/616a073711a7b741a34e046d/html5/thumbnails/19.jpg)
ASSIGNMENT
A two-story building in Lahore is modeled as 2-DOF system and rigid floors on stiff soil as shown in the Figure. Determine the top floor maximum displacement and base shear using UBC-97 response spectra. Take the inter-story stiffness, k =200× 103 N/m and the floor mass, m = 2500 kg.
![Page 20: Response Spectrum Method for MDOF System](https://reader031.fdocuments.in/reader031/viewer/2022012103/616a073711a7b741a34e046d/html5/thumbnails/20.jpg)
UBC Design Response Spectra
![Page 21: Response Spectrum Method for MDOF System](https://reader031.fdocuments.in/reader031/viewer/2022012103/616a073711a7b741a34e046d/html5/thumbnails/21.jpg)
![Page 22: Response Spectrum Method for MDOF System](https://reader031.fdocuments.in/reader031/viewer/2022012103/616a073711a7b741a34e046d/html5/thumbnails/22.jpg)
![Page 23: Response Spectrum Method for MDOF System](https://reader031.fdocuments.in/reader031/viewer/2022012103/616a073711a7b741a34e046d/html5/thumbnails/23.jpg)