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RESEARCH ARTICLE

Analysis on Flexural Stiffness of GFRP-concrete Hybrid Beams

Fei Zhao1 Chaohe Chen2 , * Open Modal Haihao Guo1 Authors Info & Affiliations
The Open Civil Engineering Journal • 20 December 2017 • RESEARCH ARTICLE • DOI: 10.2174/1874149501711010940

Abstract

Background:

Deferent types of reinforced concrete beams wrapped with GFRP pultruded profiles and a control RC beam are tested under three points loading.

Objective:

The moment-curvature curves of all tested beams are obtained based on the experimental study. The change characteristics of flexural stiffness for tested beams are analyzed, and the short-term flexural stiffness formula is derived.

Results:

Finally the computed values of midspan deflection for tested beams are achieved.

Keywords: Durability, Flexural stiffness, GFRP, Loading test, Reinforced concrete beam, Concrete structures, U-shaped profile.
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