An Evaluation of the Critical Section on Beam-Column Joint of Reinforced Concrete Frame With Non-Structural Walls

Abstract eng:
The purpose of this study is to establish the evaluation method for the critical section of beam-column joint of reinforced concrete frame with non-structural walls. The experiment of column with wing walls and spandrel walls were conducted. The failure mode of the column was designed to be bending failure. The spandrel wall was install at only bottom of column. The wing wall of compressive side was damaged widely, and the damaged area were spread to the crossing section of wing wall and spandrel wall. The experimental results shows that the position of the critical section of the column moved inside from the face of spandrel wall. The evaluation method based on the free body model of column with nonstructural walls, considering the effect of compressive stress of spandrel wall, was proposed to evaluate the critical section of the column. The calculation results were agreed with the experimental results. The calculation results also shows that the position of the critical section would be changed due to the thickness of wall and compressive strength of concrete.

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