Evaluation of Intermediate Reinforced Concrete Moment Frame Subjected to Truck Collision

Document Type : Regular Paper

Authors

1 M.Sc., School of Civil Engineering, Iran University of Science and Technology, Tehran, Iran

2 Assistant Professor, School of Civil Engineering, Iran University of Science and Technology, Tehran, Iran

3 Ph.D. Candidate, School of Civil Engineering, Iran University of Science and Technology, Tehran, Iran

Abstract

In this study, the progressive collapse of reinforced concrete structures due to vehicle collision to the columns of the ground floor was modeled and examined. For this purpose, a four-story reinforced concrete building with the intermediate moment frame system was designed using ETABS software followed by the simulation of impact loading by SAP2000 software. Performing non-linear time history dynamic analysis, the critical forces required to the column failure were determined via trial and error by considering different live load contribution. Then, the corresponding critical velocities for 4, 8, and 12 ton vehicles were determined. Finally, the progressive collapse of the building was examined by the sudden removal of the column. The results showed that by increasing the percentage of live load contribution, the force and critical velocity for the instability and damage of the column will decrease. Furthermore, comparing the perimeter and corner columns showed that the corner columns are the most critical columns for occurrence of the progressive collapse. In addition, during the assessment of the progressive collapse, it was found that the number of damaged springs in the corner column removal scenario is less than that of the perimeter column removal scenario.

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References

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History

  • Receive Date: 22 February 2021
  • Revise Date: 16 October 2021
  • Accept Date: 17 October 2021

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