Human induced vibration of staircases: Measurements and analysis

Kraincanic, I.; Sparkes, A.

doi:10.1201/9780429426506-22

Cited by 2 publications

(2 citation statements)

References 5 publications

(7 reference statements)

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“…Recent studies (e.g., [11][12][13][14]) on shaking table have shown that typical accelerometers inside high-end smartphones are capable of recording motions in a frequency range of interest for many civil structures (0.2-20 Hz), with an acceleration amplitude range (10-2000 mg) [14] sufficient for practical applications in the field of vibration monitoring and modal testing. Successful utilization of such sensors in structural health monitoring of large civil structures has been indeed confirmed in a few studies (e.g., in [6,10,[15][16][17][18]). All this can make vibration survey cheap from both time and cost perspective.…”

Section: Introductionmentioning

confidence: 87%

Testing Walking-Induced Vibration of Floors Using Smartphones Recordings

et al. 2020

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Smartphone technology is rapidly evolving, adding sensors of growing accuracy and precision. Structural engineers are among customers who indirectly benefit from such technological advances. This paper tests whether accelerometers installed in new generations of smartphones can reach the accuracy of professional accelerometers created for vibration monitoring of civil engineering structures, and how they can be useful. The paper describes an experimental study designed to measure walking-induced vibrations of a slender prefabricated prestressed concrete slab. Both traditional, high-accuracy, accelerometers and those integrated into commercial smartphones were used for experimental data collection. Direct comparison of the recordings yielded two key findings: the accuracy of smartphone accelerometers largely depends on the specific smartphone model, and nevertheless is satisfactory for preliminary modal testing at the very least. Furthermore, the smartphone measured accelerations of the lower back were used successfully to indirectly measure pedestrian walking loads.

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Section: Introductionmentioning

confidence: 87%

Testing Walking-Induced Vibration of Floors Using Smartphones Recordings

et al. 2020

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“…The proposed effective impulse formula led to more accurate predictions when compared to the SCI P354 [24] model for floors, with about 10% average error. Kraincanic and Sparkes [25] measured the modal properties and human induced vibrations of a high frequency helical staircase using a calibrated smartphone accelerometer, then compared these with the numerical results obtained in an FE staircase model. The footfall analysis showed that, despite a high fundamental frequency, the responses exceeded the prescribed design guidelines.…”

Section: Introductionmentioning

confidence: 99%