Design of Reinforced Concrete Shells and Folded Plates

angle arch ASCE Manual Assume bending analysis bottom buckling catenary centre chapter circular cylindrical shells cm.kg/cm Coeff columns compatibility component compression Concrete Shell Roofs Concrete Shells conical conoids construction correction analysis curvature curved cylindrical shells dead load deflection detailing displacements distribution edge beam EDGE LOAD edge members equation Example Find folded plates formula formwork funicular Gaussian curvature gives groin groined vaults Hence high end hypar shells hyperbolic paraboloid joint rotation junction kg/m kN/m length live load long shells longitudinal low end maximum membrane analysis membrane forces method Note parabola Plate Rotation preliminary analysis prestress radius Reference Step Calculations reinforced concrete ribs ring beam ruled surface Section shear stress Shearing Force Shell Structures shells and folded short shells shown in Figure slab span straight edges supported Table 2A theory thickness types of shells umbrella roof values vertical load width zero