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Advances in Civil Engineering
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2020
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Article
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Tab 6
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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 models
Equations
(%)
(%)
JGJ/T 23-2011
5.5
6.6
0.8915
Linear
6.3
7.5
0.8560
Exponential
6.7
8.1
0.8481
Second-order polynomial
6.3
7.5
0.8602
Power
6.4
7.6
0.8532