Nonlinear Analysis of Progressive Collapse of Reinforced Concrete (RC) Building by Different Kinds of Column Removal

Wenchen Ma (Department of Civil and Environmental Engineering and Construction, University of Nevada)

Article ID: 1597

Abstract


Building collapse mostly can be caused by the loss of loading capacity in a primary structural component, resulting in the failure of surrounding elements, which in turn cause a failure propagation. Progressive collapses may be accidental, due to design deficiencies or errors, material failure or natural phenomenon (e.g. earthquakes) but it can be prevented by upgrade the concrete components’ material [1][2]. Well-engineered RC buildings generally have a good performance under normal loading conditions. However, faulty design, construction errors, material deterioration, and overloading are always occurred. When part of structure fails, the total load in the whole system will not disappear, which means the load will be redistributed unevenly to the adjacent part of structure. This phenomenon revealed that sustained high stresses in RC elements can lead to catastrophic collapse. Due to very few of papers did the research on the RC elements under high stress level sustained load, relevant experiments should be performed in this area. This paper gives the suggestions about how to apply the load in an experiment if researchers want to know the behavior of elements near to collapse especially focus on RC columns.


Keywords


Progressive collapse of RC structure; Nonlinear analysis of RC building; RC behavior under high stress level

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References


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DOI: https://doi.org/10.30564/frae.v3i1.1597

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