Temperature Effect on Mechanical Properties and Damage Identification of Concrete Structure

Table 8

Theoretical and measured results of the first order frequency for concrete slab.

Temperature; (°C)	(GPa)	Theoretical results (Hz)	Measured results (Hz)
−20	31.928	224.95	201.66
0	28.397	212.15	192.38
20	27.184	207.57	189.94
40	24.091	195.40	184.28
60	21.533	184.74	178.22