Structure and Form in Modern Architecture

architect asymmetrical loading bending moments building buttress cantilever carry column spacing corner column corner solution cross section curtain wall curvature cylindrical shell diaphragms dimensions direction dome doubly curved edge members elevation engineer esthetic example expressed facade folded plate forces forked columns free forms function geometry girder h.p. elements h.p. surfaces hinged horizontal member hyperbolic paraboloid Le Corbusier legs line of pressure longitudinal material modern architecture narrow grid nature Nervi parabolas plane problem prongs reinforced concrete resist result rigid frame saddle surface second-floor level segmental shells shape short shell simple skeleton construction skeleton frame slab slender solution space frame space structure span spandrel beam stability statical steel stiffening ribs stiffness straight-edged struc structural form structural principle supports suspended roof tapered technical tensile tension thermal insulation thickness thin three-dimensional thrusts tion transverse tural two-hinged frame Unesco upper stories V-shape V-support vault vertical loads wide grid wind