About the Project
HCTs are normally composed by a ceramic filter with an air entry value (AEV), pressure transducer and water reservoir encased in a protective sheath. The measuring range of HCTs is constrained by the AEV of the ceramic filter, more precisely on the largest pore within the ceramic filter. The major limitation of HCTs, however, is cavitation occurring as the result of tension breakdown within the water reservoir when water is under tension. Which can also occur at lower values than 2MPa when used in prolonged monitoring in-situ. While cavitation cannot be avoided, it is believed that by increasing the measuring range cavitation can be delayed and as direct result extending the monitoring capability of HCTs. Furthermore, by increasing the measuring range of HCTs, detailed studies on the water retention behaviour of unsaturated soils becomes possible.
Therefore, as part of the development of UHCTs, new ceramic filters with specific pore sizes are require to be developed in-house. UHCTs built with the new ceramics will then be assessed in relation to measuring range and long-term measurement with the intent to develop future proof soil suction monitoring systems and for comprehensive studies of the water retention behaviour in unsaturated soils.
Applicants with degrees in Civil Engineering, Materials Science/Engineering, or a related subject are encouraged to apply. Knowledge of fundamental soil mechanics and geotechnical laboratory and field experience is highly desirable.
This project is supervised by Dr Joao Mendes.
Please note eligibility requirement:
• Academic excellence of the proposed student i.e. 2:1 (or equivalent GPA from non-UK universities [preference for 1st class honours]); or a Masters (preference for Merit or above); or APEL evidence of substantial practitioner achievement.
• Appropriate IELTS score, if required.
For further details of how to apply, entry requirements and the application form, see
Please note: Applications that do not include a research proposal of approximately 1,000 words (not a copy of the advert), or that do not include the advert reference (e.g. SF19/EE/MCE/MENDES) will not be considered.
Start Date: 1 March 2020 or 1 October 2020
Northumbria University takes pride in, and values, the quality and diversity of our staff. We welcome applications from all members of the community. The University holds an Athena SWAN Bronze award in recognition of our commitment to improving employment practices for the advancement of gender equality and is a member of the Euraxess network, which delivers information and support to professional researchers.
Mendes J. and Buzzi O. New insight into cavitation mechanisms in high-capacity tensiometers based on high-speed photography. Canadian Geotechnical Journal. 50(5), 2013.
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