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In this study, we have intended to evaluate fire resistance performance by analyzing fire behavior according to the strength property(60 MPa, 100 MPa) of high strength concrete column. With 2 variables(60 MPa, 100 MPa) for the strength of high strength concrete column, the fire behavior and the heat transfer property according to strength has been evaluated. In addition, we have evaluated fire resistance performance of the test object in the condition of mixing wire-rope method and fiber cocktail with comparing to the one of general test object(applied by hoop) to evaluate the improving method of fire resistance performance. In the result of the experiment, the fire resistance performance is shown as lower, as the concrete strength gets higher, and this can be analyzed to result from bigger cracks and spalling for 100 MPa high strength concrete, compared to 60 MPa high strength concrete. Also, in case of applying wire-rope and fiber cocktail, the fire resistance performance has been shown as enhanced. In this case, it can be judged because the softness has been increased more than the case we applied the hoop after applying the wire-rope, and that the spalling of test objects has been reduced due to mixing the fiber cocktail.

Experimental Study for Fire Resistance and Heat Transfer Properties on the Compressive Strength of High-Strength Concrete Column