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OPENING ADDRESS Dr Jeremy Bray MP
ARCH DAMS ANALYSED BY A LINEAR FINITE ELEMENT SHELL SOLUTION PROGRAM
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abutment air face analysis of arch approximate Arch dam Type Argyris assumed behaviour boundary conditions calculated cantilever stresses co-ordinates components concrete crest crown cantilever crown section damping deflexions deformation degrees of freedom design of arch Design Type developed dimensional analysis doubly curved downstream dynamic relaxation earthquake effect elastic engineer Engrs equations Ergatoudis finite difference finite element method forces foundation frequency gravity loading Hendrik Verwoerd hoop stresses Imperial College kg/sq lb/sq material ment mesh mode shapes model tests modulus nodal points nodes Paper photoelastic plaster-dicalite Poisson's ratio presented principal stresses problem Professor radial displacements results obtained rigid valley rock shear shell shown in Fig solution Southampton spectral velocity static stiffness matrix Stithians strain structure surface technique tensile tensile stress tensor tetrahedron three dimensional tion trial load triangular elements Type 1 dam University of Southampton valley side values vector vertical stresses water face water load zero Zienkiewicz