Advances in Civil Engineering

Research Article

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

Table 6

Model equations used to estimate the relationship between PFRC compressive strength and RN.
Regression modelsEquations (%) (%)
JGJ/T 23-20115.56.60.8915
Linear6.37.50.8560
Exponential6.78.10.8481
Second-order polynomial6.37.50.8602
Power6.47.60.8532