Research Article

Experimental Study on the Relationship between the Natural Frequency and the Corrosion in Reinforced Concrete Beams

Table 3

Optimizing curve fit for deflection () and corrosion time ().

Type of fitGeneral expressionSSE (mm)R-square

Exponential0.000150.9858
0.000020.9981

Polynomial0.000240.9775
0.000060.9948
0.000030.9968

Power0.001370.8709
0.000060.9941