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Thick film sensors for soil measurements

Thick film sensors for soil measurements
Thick film sensors for soil measurements
Water content has considerable influence on soil
pore water pressure and shear strength, potentially leading to
failure in earthworks. This research aims to develop novel
sensors (employing Thick-Film electrodes) intended to detect
changes in soil parameters such as resistivity, porosity and
water content and determine if these are indicative of
earthworks instability (potential slope failure). Using Thick
Film electrodes to measure parameters could be a cost effective
method for condition monitoring. The resistivity output of the
sensors and how it relates to the soil water content needs to be
understood, and a framework of working conditions for this
sensing technology needs to be documented. In this study, the
behaviour of the Thick Film cell developed by the University of
Southampton was tested for a particular soil particle size by
simulating heavy rainfall and rising of the water table within a
soil column. Final results show a consistent response from
Thick Film cell for the specific soil sample used, however, the
direction of infiltration has created a very interesting
difference in resistivity readings that need to be further
investigated.
thick film; soil resistivity; water content.
129-135
International Academy, Research and Industry Association
Espindola Garcia, Gerardo
0848daa3-9c8c-4054-b790-6f7b633b05c3
Atkinson, John
5e9729b2-0e1f-400d-a889-c74f6390ea58
Smethurst, Joel
8f30880b-af07-4cc5-a0fe-a73f3dc30ab5
Espindola Garcia, Gerardo
0848daa3-9c8c-4054-b790-6f7b633b05c3
Atkinson, John
5e9729b2-0e1f-400d-a889-c74f6390ea58
Smethurst, Joel
8f30880b-af07-4cc5-a0fe-a73f3dc30ab5

Espindola Garcia, Gerardo, Atkinson, John and Smethurst, Joel (2017) Thick film sensors for soil measurements. In Proceedings of the Eighth International Conference on Sensor Device Technologies and Applications SENSORDEVICES 2017. International Academy, Research and Industry Association. pp. 129-135 .

Record type: Conference or Workshop Item (Paper)

Abstract

Water content has considerable influence on soil
pore water pressure and shear strength, potentially leading to
failure in earthworks. This research aims to develop novel
sensors (employing Thick-Film electrodes) intended to detect
changes in soil parameters such as resistivity, porosity and
water content and determine if these are indicative of
earthworks instability (potential slope failure). Using Thick
Film electrodes to measure parameters could be a cost effective
method for condition monitoring. The resistivity output of the
sensors and how it relates to the soil water content needs to be
understood, and a framework of working conditions for this
sensing technology needs to be documented. In this study, the
behaviour of the Thick Film cell developed by the University of
Southampton was tested for a particular soil particle size by
simulating heavy rainfall and rising of the water table within a
soil column. Final results show a consistent response from
Thick Film cell for the specific soil sample used, however, the
direction of infiltration has created a very interesting
difference in resistivity readings that need to be further
investigated.

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More information

Published date: 10 September 2017
Keywords: thick film; soil resistivity; water content.

Identifiers

Local EPrints ID: 416026
URI: http://eprints.soton.ac.uk/id/eprint/416026
PURE UUID: f2df4961-44c8-45cc-bdbd-fd9107acfa43
ORCID for John Atkinson: ORCID iD orcid.org/0000-0003-3411-8034
ORCID for Joel Smethurst: ORCID iD orcid.org/0000-0001-8175-985X

Catalogue record

Date deposited: 30 Nov 2017 17:30
Last modified: 12 Aug 2024 01:36

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Contributors

Author: Gerardo Espindola Garcia
Author: John Atkinson ORCID iD
Author: Joel Smethurst ORCID iD

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