The Structural Engineer > Archive > Volume 16 (1938) > Issues > Issue 4 > Research Joint Sub-Committee on Vibrated Concrete
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Research Joint Sub-Committee on Vibrated Concrete

THE first Interim Report of the Joint Sub-committee with the Institution of Civil Engineers appointed to consider the effect of vibration on concrete appeared in the March, 1937, issue of the Journal. In that Report were given the results of tests designed to show the effect on the strength and density of the concrete, of variations in the water/cement ratio, frequency of vibration, duration of vibration, and maximum acceleration, one variable being studied at a time.