Study on Collapse Resistance of RC Frame under the Corner Column Removal Scenario

Xu, Jin; Wang, Sheliang; Liu, Kangning; Quan, Xiaoyi; Dong, Fangfei

doi:10.3390/ma14237157

Open AccessArticle

Study on Collapse Resistance of RC Frame under the Corner Column Removal Scenario

by

Jin Xu

^1,2,

Sheliang Wang

¹,

Kangning Liu

¹,

Xiaoyi Quan

¹ and

Fangfei Dong

^2,*

¹

School of Civil Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China

²

School of Civil Engineering, Xijing University, Xi’an 710123, China

^*

Author to whom correspondence should be addressed.

Materials 2021, 14(23), 7157; https://doi.org/10.3390/ma14237157

Submission received: 15 September 2021 / Revised: 8 November 2021 / Accepted: 11 November 2021 / Published: 24 November 2021

(This article belongs to the Special Issue Life-Cycle Performance of Green Cementitious Composites under Complex Environmental Conditions)

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Abstract

The progressive collapse of buildings induces a variety of catastrophic consequences, such as casualties and property loss over the past few decades. The corner column is more prone to abnormal load events compared to the inner column and outer column; thus, it is easier to trigger progressive collapse. By considering the effects of floor slabs and adjacent bays on progressive collapse behavior, the pseudo-static loading method was used to study the progressive collapse test of a 1/3 scaled, one story, 2 × 2-bay cast-in-place reinforced concrete frame substructure under the removal condition of a corner column. The test results show that the flexural deformation principally concentrates upon the components of a directly affected part (DAP), and compressive arch actions are observed in members of the indirectly affected part (IAP). Moreover, the slab adjacent to the removed column and periphery elements contributes great resistance to a progressive collapse.

Keywords: 3D RC frame; progressive collapse; corner column removal; calculation for resistance; flexural action; compressive arch action

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MDPI and ACS Style

Xu, J.; Wang, S.; Liu, K.; Quan, X.; Dong, F. Study on Collapse Resistance of RC Frame under the Corner Column Removal Scenario. Materials 2021, 14, 7157. https://doi.org/10.3390/ma14237157

AMA Style

Xu J, Wang S, Liu K, Quan X, Dong F. Study on Collapse Resistance of RC Frame under the Corner Column Removal Scenario. Materials. 2021; 14(23):7157. https://doi.org/10.3390/ma14237157

Chicago/Turabian Style

Xu, Jin, Sheliang Wang, Kangning Liu, Xiaoyi Quan, and Fangfei Dong. 2021. "Study on Collapse Resistance of RC Frame under the Corner Column Removal Scenario" Materials 14, no. 23: 7157. https://doi.org/10.3390/ma14237157

APA Style

Xu, J., Wang, S., Liu, K., Quan, X., & Dong, F. (2021). Study on Collapse Resistance of RC Frame under the Corner Column Removal Scenario. Materials, 14(23), 7157. https://doi.org/10.3390/ma14237157

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Study on Collapse Resistance of RC Frame under the Corner Column Removal Scenario

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