Compressive Behavior of Sustainable Steel-FRP Composite Bars with Different Slenderness Ratios

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ID: 88934
2019
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Abstract
This paper presents experimental studies on the compressive behavior of a sustainable steel-fiber reinforced composite bar (SFCB) under uniaxial compressive loading. The SFCB, combined with steel and fiber reinforced polymer (FRP), is expected to significantly enhance structural safety and sustainability. A new test method with LVDT and extensometer sensors was developed and verified through experiments to test the tensile and compressive behavior of the SFCB. Fifty-four specimens including SFCB and inner steel bar (ISB) with different slenderness ratios were tested. The test results indicated that the initial compressive elastic modulus of the SFCB was essentially the same as its initial tensile elastic modulus. The compressive yield load of the SFCB was essentially irrelevant to the slenderness ratio, and the ultimate compressive stress of the SFCBs varied inversely with the slenderness ratios. The squash load of the SFCB tended to be conservative for predicting the compressive yield load of the SFCB, while the equivalent critical global buckling load of the SFCB was much higher than its corresponding compressive yield load and ultimate load due to the inelastic buckling mechanism of the SFCB within the range of the equivalent slenderness ratios studied in this paper.
Reference Key
tang2019compressivesustainability Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Tang, Yu;Sun, Zeyang;Wu, Gang;
Journal sustainability
Year 2019
DOI
DOI not found
URL
https://www.mdpi.com/2071-1050/11/4/1118
Keywords
Materials of engineering and construction. Mechanics of materials Engineering (General). Civil engineering (General) Science physics environmental effects of industries and plants renewable energy sources environmental sciences architecture astrophysics

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