The Structural Engineer > Archive > Volume 57 (1979) > Issues > Issue 8 > Correspondence on Structural Behaviour of Reinforced Concrete Columns in Service by R.N. Swamy and P
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Correspondence on Structural Behaviour of Reinforced Concrete Columns in Service by R.N. Swamy and P. Arumugasaamy

The term 'permissible stress' used in CP 1 14 describes a number that is defined by that Code and that, when used in formulae specified therein, defines a limit to the recommended service load for the element under consideration. It does not purport to correspond to the actual stress expected to occur in the element when subjected to the deduced value of service load, and any detailed consideration of the means by which this number was selected should show that it cannot be expected to do so in a material as complex as reinforced concrete. A.J. Tanner