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Polymers 2014, 6(6), 1862-1876; doi:10.3390/polym6061862

Mechanical Behavior of BFRP-Steel Composite Plate under Axial Tension

School of Civil Engineering, Dalian University of Technology, Dalian 116024, China
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Received: 8 April 2014 / Revised: 28 May 2014 / Accepted: 12 June 2014 / Published: 23 June 2014
(This article belongs to the Special Issue Fiber-Reinforced Polymer Composites in Structural Engineering)
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Abstract

Combining the advantages of basalt fiber-reinforced polymer (BFRP) material and steel material, a novel BFRP-steel composite plate (BSP) is proposed, where a steel plate is sandwiched between two outer BFRP laminates. The main purpose of this research is to investigate the mechanical behavior of the proposed BSP under uniaxial tension and cyclic tension. Four groups of BSP specimens with four different BFRP layers and one control group of steel plate specimens were prepared. A uniaxial tensile test and a cyclic tensile test were conducted to determine the initial elastic modulus, postyield stiffness, yield strength, ultimate bearing capacity and residual deformation. Test results indicated that the stress-strain curve of the BSP specimen was bilinear prior to the fracture of the outer BFRP, and the BSP specimen had stable postyield stiffness and small residual deformation after the yielding of the inner steel plate. The postyield modulus of BSP specimens increased almost linearly with the increasing number of outer BFRP layers, as well as the ultimate bearing capacity. Moreover, the predicted results from the selected models under both monotonic tension and cyclic tension were in good agreement with the experimental data. View Full-Text
Keywords: basalt fiber-reinforced polymer (BFRP); steel plate; composite plate; mechanical properties; uniaxial tension; cyclic tension basalt fiber-reinforced polymer (BFRP); steel plate; composite plate; mechanical properties; uniaxial tension; cyclic tension
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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Li, Y.; Wang, Y.; Ou, J. Mechanical Behavior of BFRP-Steel Composite Plate under Axial Tension. Polymers 2014, 6, 1862-1876.

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