Important announcement

Dear visitor,

Please note that this OpenCourseWare platform will be replaced at the end of 2026 by a new platform (under the same url ocw.tudelft.nl).

Courses and their contents that are currently available the platform will partly be migrated. URL’s for this content will change and content might be unavailable for some time. In addition, some courses will not be available anymore.

If you are linking to specific courses on this platform (for instance for your students), please take timely measures to avoid problems with access. Possible actions are:

  • Download the materials to your local platform (laptop, server)
  • For educators only (including TU Delft lecturers): Contact us at ocw@tudelft.nl and inform us what course you are using in what context (institute, program, period of use, number of students). We will research (in collaboration with the authors of the course) and decide if we will migrate the course, and if yes, can supply you with a new url.

Thank you.

Prof. Rob van Hees

Rob van Hees is professor of Building Conservation at TU Delft and senior scientist at TNO – Netherlands Organisation for Applied Scientific Research. His main fields of interest are durability of materials, conservation techniques and compatibility of new and ancient materials. He is member of a large number of research and standardization committees (NEN, CEN),  active in RILEM, ICOMOS and chairs the WTA-NL-VL, as well as the Netherlands Central Body of Experts on Restoration Quality. In addition, he is a researcher and coordinator of research projects in the field of Cultural Heritage within the EU Framework Programs. For the EU he was involved in the evaluation of the interventions in San Francesco in Assisi after the earthquake in 1997 and he was a member of the scientific board for the JPI on Cultural Heritage.

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