Abstract

Creep causes a variation of the state of stress in redundant slender R.C. structures because the deformations of the single parts are not related by affinity and depend on the applied axial load. The general method of analysis of slender R.C. frame structures in which lateral displacements are prevented leads to a set of systems of integro-differential Volterra equations and is of rather complex application. For this reason an approximate procedure is presented, based on the Age Adjusted Effective Modulus Method (AAEMM) which allows to solve the problem through a particular elastic analysis especially recommended for practical uses. Two numerical examples show the application of the Method.

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