1. Ecole Polytechnique Fédérale de Lausanne (EPFL), Composite Construction Laboratory (CCLab), BP 2220, Station 16, CH-1015 Lausanne, Switzerland.
2. Empa, Swiss Federal Laboratories for Materials Testing and Research, Laboratory for Building Science and Technology, Ueberlandstrasse 129, CH-8600 Duebendorf, Switzerland.
3. Ecole Polytechnique Fédérale de Lausanne (EPFL), Composite Construction Laboratory (CCLab), BP 2220, Station 16, CH-1015 Lausanne, Switzerland (corresponding author).