1. Department of Civil
2. Environmental and Natural Resources Engineering
3. Luleå University of Technology
4. SE 971 87 Luleå
5. Sweden
6. Department of Civil Engineering and Urban Planning
7. National Institute of Applied Sciences of Lyon
8. 69621 Villeurbanne CEDEX
9. France
10. Division of the Built Environment
11. Research Institutes of Sweden
12. 111 21 Stockholm