Shock and Vibration / 2018 / Article / Tab 9

Research Article

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

Table 9

Coefficients of quadratic polynomial model Equation (12).

CoefficientsSpecimen
Z-1∼Z-9J-1∼J-9M-1∼M-9

111.072104.7047.25751
0.3741283757188460.123087222141136−0.182407588719503
12.3712456256323118.88631351101986.0463796394658
−1.61142709539306−10.89994916034121.81975050928462
00.5408799785622491.58776166995393
−0.0205457982698535−0.0113599390393166−0.0093710737740441
−0.0246603388200758−0.04683684678417870.0596143780058488
6.6373455251616e − 050.000559491075874720.00146298647471792
−2.72656082597941−25.9877593894723−24.8240056022407
00.142689463548048−0.162714814814822
Judgment coefficient ()0.8888160.7186140.924151
Root mean square error4.6515810.54674.27426

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