Push-Down Analysis of RC Frame Structure with Damaged Column

Soo Yeon Seo; Jeong Hun Kim; Jae Yeong Yeon; Hyung Joo Park; Ki Bong Choi

doi:10.4028/www.scientific.net/AMM.204-208.1286

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 204-208Push-Down Analysis of RC Frame Structure with...

Push-Down Analysis of RC Frame Structure with Damaged Column

Abstract:

In this study, a push down analysis was performed for reinforced concrete (RC) frame building with collapsed column at lower floor by shock due to abnormal load in order to find progressive collapse process of building. The nonlinear flexural behavior of each structural element was defined from sectional analysis by using X-tract program. For push-down analysis of frame structure, Zeus-NL program was used. Main parameters in the analysis are location of damaged column and story of building. As a result, the deflection at the time of collapse of internal column was lower than one at the time of collapse of external column. In the frame structure with severely damaged column at lower floor, the higher the story was, the smaller the change of moment in beams at upper floors was. And, deflections of beams were found to appear evenly. This can be judged to be caused by a beam's suspension action.

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Periodical:

Applied Mechanics and Materials (Volumes 204-208)

Pages:

1286-1289

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.204-208.1286

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Online since:

October 2012

Authors:

Soo Yeon Seo, Jeong Hun Kim, Jae Yeong Yeon, Hyung Joo Park, Ki Bong Choi

Keywords:

Collapsed Column, Frame Building, Progressive Collapse, Push-down Analysis, Reinforced Concrete (RC)

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References

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