Revised Rebound Hammer and Pull-Out Test Strength Curves for Fiber-Reinforced Concrete

Table 9

Models for estimation of in-place concrete compressive strength.

Estimation model name	Materials	Equations
Zhao and Ma model [29]	Basalt FRC		0.5300
Ali-Benyahia et al. model [1]	Ordinary concrete		0.7800
Atoyebi et al. model [30]	Ordinary concrete		0.8680
	PFRC		0.8915
The models in this paper	CFRC		0.8870
	HFRC		0.8725