Development of Sustainable and Innovative Manhole Covers in Fibre-Reinforced Concrete and GFRP Grating
Source abstract
Abstract
In several countries, manhole covers made of steel are being stolen, with significant economic losses for private and public entities, and even causing accidents. In this work, a new manhole cover is developed using fibre-reinforced cementitious (FRC) materials and glass fibre-reinforced polymer (GFRP) gratings. Since the GFRP gratings are immune to corrosion, and FRC is a relatively low-cost material, manhole covers in FRC reinforced with GFRP gratings are durable and not so appealing to be stolen as those made from steel. An experimental program with manhole cover specimens made with two types of FRC and two types of GFRP gratings was executed by investigating the strength, stiffness and post-cracking tensile capacity of the FRCs and the stiffness and flexural capacity of the two GFRP gratings. It was demonstrated that the developed manhole cover concept can be of class A15 up to D400 according to the recommendations of BS EN 124:1994.
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Research context
OpenAlex topics: Structural Behavior of Reinforced Concrete · Innovative concrete reinforcement materials · Structural Load-Bearing Analysis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
ISISE, ARISE, Department of Civil Engineering, University of Minho, 4800-058 Guimarães, Portugal
Department of Civil Engineering, RPTU Kaiserslautern-Landau, 67663 Kaiserslautern, Germany
Büro Thomas Boyle + Partner AG, 8037 Zürich, Switzerland
Funding
FCT · FCT/MCTES · R&D Unit Institute for Sustainability and Innovation in Structural Engineering (ISISE) · Associate Laboratory Advanced Production and Intelligent Systems ARISE · FCT I.P.
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Show source-provided references
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