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The Structural Engineer, Volume 32, Issue 7, 1954
The CHAIRMAN (Lt.-Colonel R. F. Galbraith, M.C., B.Sc.(Eng.), M.I.Struct.E., .M.I.C.E.), introduced the authors. Mr. Manning then presented the paper and Mr. Hamilton exhibited a number of illustrations of aluminium structures and joints and tests on aluminium.
The CHAIRMAN (Lt.-Colonel R. F. Galbraith, M.C., B.Sc.(Eng.), M.T.Struct.E., A.M.I.C.E.), welcomed on behalf of the Institution of Structural Engineers the members of the British Iron and Steel Research Association and of the Engineers' Group of the Iron and Steel Institute who were present, and introduced the authors.
Design of light lattice girders and trusses composed of structural steel angles is commonly based on the recommendations of B.S.S.449-1948. Tension members forming such girders are designed to comply with clauses 39 and 40 of the specification and experimental research has indicated that members proportioned in accordance with these clauses give calculated yield loads which agree closely with the measured loads. S. Mackey