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

Table 6

Coefficients of function of .

Test members	Coefficients of the function
	Z-1, Z-2, Z-3	−6	0.024	4.5	−6.2e − 8	−0.01	−0.88
J-1, J-2, J-3	−3.6	0.0088	2.59	−3.887e − 7	0.0001	−0.5
M-1, M-2, M-3	−1.476	0.0113	0.84	−1.2e − 9	−0.003	−0.149
Z-4, Z-5, Z-6	−1.6	0.012	1.1	−2.43e − 7	−0.0059	−0.18
J-4, J-5, J-6	−4.735	0.019	2.97	−1.3e − 7	−0.006	−0.48
M-4, M-5, M-6	−0.208	0.002	−0.04	−1.2e − 9	−1.9e − 20	0.014
Z-7, Z-8, Z-9	0.32	0.0011	−0.37	−2.7e − 8	−0.00034	0.08
J-7, J-8, J-9	−0.16	−0.0015	0.18	−1.711e − 7	0.001	−0.078
M-7, M-8, M-9	−0.185	0.0019	−0.02	3.6e − 9	1.2e − 6	0.003