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Shakiba, Milad
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Publications (7/7 displayed)
- 2024Experimental study on seismic performance of squat RC shear walls reinforced with hybrid steel and GFRP rebarscitations
- 2024Tensile strength retention of glass fibre-reinforced stirrups subjected to aggressive solutions: effect of environmental condition, stirrup shape and stirrup diametercitations
- 2023Innovative Connection Systems for Sand-Coated and Helically Wrapped Glass Fiber-Reinforced Polymer Barscitations
- 2023Enhancement of bond characteristics between sand-coated GFRP bar and normal weight and light-weight concrete using an innovative anchorcitations
- 2023A case study on the feasibility of using static-cast fibre-reinforced concrete electric poles fully reinforced with glass fibre reinforced polymer bars and stirrupscitations
- 2022Analytical and Numerical Investigation of Knee Brace Equipped with a Shape Memory Alloy Dampercitations
- 2022Analytical and Numerical Investigation of Knee Brace Equipped with a Shape Memory Alloy Dampercitations
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article
A case study on the feasibility of using static-cast fibre-reinforced concrete electric poles fully reinforced with glass fibre reinforced polymer bars and stirrups
Abstract
<p>This study experimentally investigates the structural performance of full-scale reinforced concrete utility poles fully reinforced with glass fibre reinforced polymer (GFRP) bars. The weak bond strength between GFRP bars and concrete in full-scale structures has been addressed by using an innovative anchorage system. Furthermore, fibre-reinforced concrete (FRC) was successfully used to enhance the crack propagations of GFRP-reinforced concrete poles. Three poles were constructed from FRC, while one was constructed with normal concrete (NC) as a benchmark. Polypropylene (PP) and crimped polyolefin-based macro-synthetic (CPO) fibres were used. An innovative anchorage system was used to increase the bond strength between longitudinal bars and the concrete. Crack initiation and pattern, load-carrying capacity and vertical deflections of GFRP reinforced FRC poles were obtained and compared with their normal concrete counterparts. According to the results, the PP-FRC pole showed better crack propagation performance, while the CPO-FRC showed higher stiffness than the normal concrete poles. In addition, regardless of the concrete type, the permanent deformation of all GFRP reinforced concrete poles after different stages of loading were significantly smaller than those of typical steel reinforced concrete poles.</p>