Experiment on Natural Frequency Change of Reinforced Concrete Members under Low Cycle Loading

Table 7

Coefficients of function .

Test members	Coefficients of the function
	P00
Z-2, Z-5, Z-8	−0.075	−0.0077	0.0033	6.3e − 5	−5.2e − 5	−9.9e − 7
J-2, J-5, J-8	−0.37	0.009	−0.01	9.539e − 8	−0.0002	0.0004
M-2, M-5, M-8	0.044	0.0019	−0.03	−1.2e − 9	1.77e − 19	0.0005
Z-1, Z-4, Z-7	−0.36	0.032	−0.0012	−0.0012	0.0002	−3.01e − 7
J-1, J-4, J-7	4.9	−0.0048	−0.44	−4.8e − 8	0.0006	0.008
M-1, M-4, M-7	−3.257	0.0206	0.185	−3.57e − 19	−0.0007	−0.0026
Z-3, Z-6, Z-9	−1.56	0.12	0.013	−0.0028	−0.00054	1.4e − 7
J-3, J-6, J-9	−2.578	−0.0049	0.2	5.356e − 8	0.0005	−0.0048
M-3, M-6, M-9	−1.207	0.0066	0.066	−2.4e − 9	−0.000166	−0.0012