Table 5: Influence of fibers on UHPC strength performance.

Research Specimen Type Fiber Type Strength Type
Length/ Diameter (mm/ mm) Volume (%) Compressive strength (MPa) Flexural strength (MPa)
Richard and Cheyrezy (1995) Cylinder 13 / 0.15 2.0 170-230 30-60
Schmidt and Fehling (2004) Cylinder 17 / 0.25 2.5-3.0 165-225 -
Graybeal (2006) Cube / Cylinder / Prism 12.7/ 0.2 2.0 112-210 28-36
Shi et al. (2015) - 0-4 0-4.0 200-800 30-141
Kanagalakshmi et al. (2016) Cube 13 / 0.8 1.0; 1.5; 2.0 74.5; 84; 98 -
Alsalman et al. (2017) Cube / Cylinder 12.7 / 0.2 3.0 106-180 -
Pyo et al. (2017) Cubes 19.5 / 0.2 0.5-2.0 142-169 9-21
Buttignol et al. (20017) Cube/ Prism 13 / 0.2 1.0-5.0 - -

Note: strength at 28 days; includes room, temperature, steam or pressure curing.