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Sensors 2018, 18(2), 476; doi:10.3390/s18020476

The Use of Tactile Sensors and PIV Analysis for Understanding the Bearing Mechanism of Pile Groups

1,†
and
2,†,*
1
College of Civil Engineering and Architecture, Shandong University of Science and Technology, Qingdao 266590, China
2
Department of Hydraulic Engineering, Tsinghua University, Beijing 100084, China
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Received: 14 December 2017 / Revised: 29 January 2018 / Accepted: 31 January 2018 / Published: 6 February 2018
(This article belongs to the Section Physical Sensors)

Abstract

Model tests were carried out in dry silica sand under pile loading and visualizing observation to investigate the behavior of a pile group. The pile group consisted of nine cylindrical model piles of 40 mm in diameter in most tests or three rectangular parallelepiped model piles in the visualizing observation. Pile spacings of 200 mm and 100 mm between pile centers were used in the models. Tactile sensors were installed to measure the pressure distribution in the ground and colored sand layer with particle image velocimetry (PIV) analysis to reveal the ground deformation in addition to strain gauges inside the model piles to investigate the interaction among group piles. The tests results showed that a narrower spacing between piles resulted in a wider affected area of the ground and the interaction was more significant below the tips. View Full-Text
Keywords: model test; group pile; interaction; tactile sensor; PIV model test; group pile; interaction; tactile sensor; PIV
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

You, Z.; Chen, Y. The Use of Tactile Sensors and PIV Analysis for Understanding the Bearing Mechanism of Pile Groups. Sensors 2018, 18, 476.

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