Research Article

Experimental Investigation on the Effect of Steel Fibers on the Flexural Behavior and Ductility of High-Strength Concrete Hollow Beams

Table 2

Fiber volume fraction and control test results of the four mixtures.

Mix codeVffspE
%kgMPaMPaGPa

B00.0063.34.236.04
B0.50.539.261.75.435.79
B1.01.078.573.36.437.70
B1.51.5117.773.46.636.78