1. Universitat Politècnica de Catalunya,Escola de Barcelona Est, Department of Strength of Materials and Structural Engineering,Barcelona,Spain
2. The Hong Kong Polytechnic University,Department of land surveying and geo-informatics,Kowloon,Hong Kong
3. Universitat Politècnica de Catalunya,Escola de Barcelona Est, Department of Mechanical Engineering,Barcelona,Spain
4. Universidade de Vigo,CINTECX, GeoTECH group,Vigo,Spain