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The article provides a technology for determining the displacement of the end of the reinforcing bar embedded in concrete for measuring the shifting force in the longitudinal reinforcement. Dependences of the displacement of the end of the reinforcing bar on different protective layers are shown. A formula to define the displacement of steel reinforcing bars due to the shifting force is given. The formula was obtained by the numerical computation approximation using three-dimensional finite elements. A method for determining the torsional stiffness of reinforced concrete element with normal crack is presented. In this method the pliability of the reinforcement perpendicular to its axis is also considered.

iop conference series. materials science and engineering

Perpendicular to steel reinforcing bars axis displacements of rebars for determination the torsional stiffness of reinforced concrete elements with normal cracks