MODELLSTATIK + EXPERIMENTELLE BAUSTATIK (BAUINGENIEURWESEN); TEMPORARY BUILDINGS + MAKESHIFT BUILDINGS (BUILDING); BAUPROVISORIEN + TEMPORÄRE BAUTEN (BAUWESEN); THIN-WALLED SPACE STRUCTURES (STRUCTURAL ANALYSIS); STIFFENERS (STRUCTURAL ELEMENTS); RÄUMLICHE FLÄCHENTRAGWERKE (BAUSTATIK); MODEL ANALYSIS OF STRUCTURES + EXPERIMENTAL STRUCTURAL ANALYSIS (CIVIL ENGINEERING); AUSSTEIFUNGEN (BAUKONSTRUKTIONSELEMENTE)