Structural frames 49 Structural analysis (Engineering) 8 Building, Iron and steel 7 Design and construction 4 Models 4 Steel, Structural 4 Elastic analysis (Engineering) 3 Girders 3 Tall buildings 3 Buckling (Mechanics) 2 Buildings 2 Congresses 2 Data processing 2 Foundations 2 Framing (Building) 2 Matrix methods 2 Plastic analysis (Engineering) 2 Stability 2 Standards 2 Structural engineering 2 Tables 2 Aerodynamics 1 Arches 1 Architectural design 1 Architectural models 1 Bridges, Steel plate deck 1 Building 1 Building, Wooden 1 Buildings, Portable 1 Civil engineering 1