Experimental Study on Shear Resistance of SRC Column and Steel Beams Frames Constructed by Simplified Method

Abstract eng:
In this research, experimental studies were carried out in order to develop the new structure system using steel and concrete with execution method that is easier than the SRC structures and with earthquake resistant performance that is equivalent to the SRC structures. Valuables of the experiment were steel cross-sectional shape of column, confining method of the cover concrete and the ratio of column shear reinforcement. Following considerations were obtained from the experimental results. 1) Execution method using the wire mesh for the column was easier than that of conventional SRC structure. 2) All specimens except standard specimen of conventional SRC and the specimen using the wire mesh, wide steel flange width and wide steel web depth were failed in column shear. The standard specimen of conventional SRC was failed in beam-column joint shear. The specimen using the wire mesh, wide steel flange width and wide steel web depth was column flexural failure. 3) By increasing the column steel web depth, shear resistance behavior of the column and confining effect of the concrete were approximately equal to the standard specimen of conventional SRC structures. In addition, the maximum shear strength of SC specimens ware improved further than conventional SRC specimen, and even the specimen without shear reinforcement had the almost equal shear strength. 4) The shear strength of column in the column-beam frame specimen was dependent on the degree of the destruction of the joint.

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