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Table 7 Peak stress and cubic compressive strength.

From: Property Assessment of High-Performance Concrete Containing Three Types of Fibers

Strength Normal concrete Carbon fiber concrete Polypropylene fiber concrete Aramid fiber concrete HFRC
fcu,k 63.7 62.8 59.6 61.9 63.1
fck 44.4 59.4 46.2 41.3 51.9
fck/fcu,k 0.70 0.95 0.78 0.67 0.82
  1. fcu,k is the cubic compressive strength, fck is the axial compressive strength