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Table 4 AE data parameter for different types of notched beam.

From: Investigation on Acoustic Emission Parameters due to Fatigue Damage of Concrete Beams with Variable Notched Depth

Notch/depth ratio Peak load (kN) Number of AE events Number of AE counts Number of AE hits AE energy Number of cycles at failure
0.15 16.5 8252 31,447,988 571,746 50,508,338 7555
0.25 11.0 7461 817,532 31,323 1,357,883 5000
0.35 8.0 1230 720,360 23,840 1,935,340 3334
0.45 6.0 1739 579,035 53,297 1,462,184 2277