2014•Journal of Liaoning University of TechnologyRequires access

Deflection Study of RC Beam Strengthened with Reinforced Bars Inserted

Liu Hua-xi

Abstract

In order to study the behavior of strengthened concrete beam deformation with reinforced bars inserted,test research and analysis result of theory calculation show that deformation behavior of beams can be improved obviously by three kinds of strengthening methods.The calculation value of all middle span deflection is totally less than the limited deflection under standard load ruled by concrete structure design code.The middle span deflection calculated with the stiffness formula given in the concrete structure design code(GB 50010—2010) has enough emergency capacity.

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Key concepts: Deflection (physics), Structural engineering, Stiffness, Reinforced concrete, Beam (structure), Materials science, Engineering, Physics