Issue 70

T. Pham-Bao et alii, Frattura ed Integrità Strutturale, 70 (2024) 55-70; DOI: 10.3221/IGF-ESIS.70.03

Figure 4: Design the model in the laboratory.

Parameter

Magnitude

Rated capacity Nonlinearity

 ± 19.61 m/s 2 (± 2G)

Within ± 1% RO Within ± 1% RO

Hysteresis

Rated output

0.5 mV/V (1000×10 -6 strain) or more

Safe temperature Safe excitation

-15 to 65 0 C

6V AC or DC

Recommended excitation

1 to 3V AC or DC

Input resistance Output resistance

121 Ω ± 1.7% 121 Ω ± 1.7%

4-conductor (0.08 mm 2 ) vinyl shielded cable, 3.2mm diameter by 5m long Terminated with a connector plug PRC03-12A10-7M (Shield wire is connected to the case).

Cable

Safe overload

300%

Frequency response Transverse sensitivity

DC to 60Hz ± 5%

4% RO or less

Weight

Approx. 25g (excluding cable) Table 3: Configurations and specifications of accelerometer.

After conducting the load to move through the beam at each speed, we obtain 640 samples in each damage case. However, in the case of cutting D09, we only collected 610 samples due to some objective reasons when collecting data. Therefore, the total number of samples we collected in this experiment is 7650 samples.

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