PhD scholarship in Concrete frost resistance – modelling frost attack

DTU Byg
fredag 03 nov 17

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Frist 24. november 2017
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DTU Civil Engineering’s section for Building Design invites applications for a 3-year PhD position starting January 2018 on ‘Concrete frost resistance – modelling frost attack’.

Responsibilities and tasks
With regard to concrete frost deterioration, fundamental knowledge about the mechanisms leading to development of damage is still missing. This is a hindrance for the introduction of performance-based specifications, which takes into account e.g. the local climate (temperature and moisture load). Therefore, it is the aim of the present PhD project:

  • to develop an experimental set-up, which makes it possible to control the temperature gradient of the concrete specimen as well as the moisture conditions at the specimen boundaries during freezing and thawing (contrary to standardised tests like e.g. CEN/TS 12390, where it is only possible to control the temperature at the concrete surface).
  • to carry out an experimental study that can elucidate the relation between temperature distribution and development of frost damage in concrete. 
  • to establish a numerical model of heat and moisture transport in freezing concrete. The model is to be established based on chemical and physical concepts, such as concepts of phase change. The model is to be validated with measurements from own experiments.
Further tasks of the PhD student will be: 
  • to disseminate results in scientific papers and at conferences
  • to attend PhD courses (30 ECTS)
  • to carry out a mandatory external research stay
  • to co-supervise Bachelor and Master students
Qualifications
Candidates should have a Master's degree in civil engineering, materials science or a similar degree with an academic level equivalent to a Master's degree in engineering. The preferred candidate is ambitious, highly motivated by research excellence, and has good communication skills (written and spoken English).
 
Preference will be given to candidates with:
  • knowledge on concrete technology, including concrete durability
  • experience with experimental materials science
  • experience with FE modelling, in particular modelling of transport processes
Approval and Enrolment
Scholarships for the PhD degree are subject to academic approval, and the candidates will be enrolled in the general degree programme of DTU. For information about the general requirements for enrolment and the general planning of the scholarship studies, please see the DTU PhD Guide.
 
Assessment
Assessment of the applicants will be made by Associate Professor Marianne Tange Hasholt, Professor Ole Mejlhede Jensen and Head of Section Jan Karlshøj.
 
We offer
DTU is a leading technical university globally recognized for the excellence of its research, education, innovation and scientific advice. We offer a rewarding and challenging job in an international environment. We strive for academic excellence in an environment characterized by collegial respect and an academic freedom tempered by responsibility.
 
Salary and appointment terms
The appointment will be based on the collective agreement with the Danish Confederation of Professional Associations. The allowance will be agreed with the relevant union. The period of employment is 3 years.

Preferable start date: 1 January 2018 or as soon as possible thereafter.

You can read more about career paths at DTU here.
 
Further information
Further information may be obtained from Associate Professor Marianne Tange Hasholt, tel.: +45 4525 1702, matah@byg.dtu.dk.
 
You can read more about DTU Civil Engineering (DTU Byg) at www.byg.dtu.dk/english
 
Application
Please submit your online application no later than 24 November 2017 (Local time).
 
Applications must be submitted as one PDF file containing all materials to be given consideration. To apply, please open the link "Apply online", fill in the online application form, and attach all your materials in English in one PDF file. The file must include: 
  • A letter motivating the application (cover letter) 
  • Curriculum vitae
  • Grade transcripts and BSc/MSc diploma
  • Excel sheet with translation of grades to the Danish grading system (see guidelines and excel spreadsheet here)
Candidates may apply prior to obtaining their Master's degree, but cannot begin before having received it.
 
All interested candidates irrespective of age, gender, race, disability, religion or ethnic background are encouraged to apply.
 
DTU Civil Engineering covers in principle all aspects of the built environment, including planning, execution, operation, maintenance, repair, and demolition of structures, buildings and installations. The department has a scientific staff of about 80 persons, 60 PhD students, and a technical/administrative support staff of about 50 persons.
 
DTU is a technical university providing internationally leading research, education, innovation and scientific advice. Our staff of 5,800 advance science and technology to create innovative solutions that meet the demands of society; and our 11,000 students are being educated to address the technological challenges of the future. DTU is an independent academic university collaborating globally with business, industry, government, and public agencies.