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Technologies
Special Issues
Bolted and Bonded Joints in Fibre Reinforced Polymer Structures
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Bolted and Bonded Joints in Fibre Reinforced Polymer Structures

A special issue of Technologies (ISSN 2227-7080). This special issue belongs to the section "Construction Technologies".

Deadline for manuscript submissions: closed (30 November 2015) | Viewed by 15803

Special Issue Editors

Prof. Dr. Luciano Feo

E-Mail Website
Guest Editor
Department of Civil Engineering, University of Salerno, 900527 Fisciano, SA, Italy
Interests: mechanics of solids and structures; multiscale mechanics; computational mechanics; advanced mechanical modeling of new materials and structures; innovative composite materials
Special Issues, Collections and Topics in MDPI journals
Dr. Francesco Ascione

E-Mail Website
Guest Editor
Department of Civil Engineering, University of Salerno, 84084 Fisciano, Italy
Interests: multiscale modeling; buckling; connection technologies for fiber composite materials; strengthening of concrete structures by FRP, SRP and FRCM; coatings; high performance fiber reinforced concrete; sustainability

Special Issue Information

Dear Colleagues,

As is well-known, for decades, civil engineers have dealt with different types of composite materials, including wood (natural composites), plywood (laminated natural composites), and concrete (particular composites). The noteworthy mechanical properties of advanced composite materials, for instance, high values of specific stiffness, specific strength, and high corrosion resistance, have made these materials very appealing for civil engineering applications. In recent years, several major national and international research programs were launched to investigate the feasibility of using advanced polymer composites on both seismic and environment-sensitive fields. This includes the use of fiber reinforced polymer (FRP) composites as internal/or external reinforcement, as well as building entire structures, such as bridges and industrial frame-structures, from FRP materials. The main aim of this Special Issue is to cover a wide range of critical topics concerning the connections between structural FRP members.

Luciano Feo
Francesco Ascione
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Technologies is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • micro
  • macro modeling mechanical characterization overall performance durability
  • long term behavior analysis
  • design

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Published Papers (3 papers)

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18 pages, 11860 KiB  
Article
An Experimental/Numerical Study on the Interfacial Damage of Bonded Joints for Fibre-Reinforced Polymer Profiles at Service Conditions
by Agostina Orefice, Geminiano Mancusi, Serge Dumont and Frédéric Lebon
Technologies 2016, 4(3), 20; https://doi.org/10.3390/technologies4030020 - 12 Jul 2016
Cited by 9 | Viewed by 4992
Abstract
In this paper a study on double lap joints made of glass fibre-reinforced polymer (GFRP) adherents and an epoxy resin as a glue is performed. Both an experimental procedure and a theoretical model with an associated numerical discretization are presented. Experimental and numerical [...] Read more.
In this paper a study on double lap joints made of glass fibre-reinforced polymer (GFRP) adherents and an epoxy resin as a glue is performed. Both an experimental procedure and a theoretical model with an associated numerical discretization are presented. Experimental and numerical results are discussed and compared. They indicate the possibility of performing an advanced mechanical analysis of adhesive joints based on a preliminary characterization of a few mechanical parameters. Full article
(This article belongs to the Special Issue Bolted and Bonded Joints in Fibre Reinforced Polymer Structures)
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11 pages, 2140 KiB  
Article
Experimental Tests on Steel Plate-to-Plate Splices Bonded by C-FRPS Laminas with and without Wrapping
by Mario D’Aniello, Francesco Portioli and Raffaele Landolfo
Technologies 2016, 4(1), 5; https://doi.org/10.3390/technologies4010005 - 15 Feb 2016
Cited by 1 | Viewed by 4492
Abstract
The results of an experimental investigation carried out on steel splices bonded by (Carbon-Fiber–Reinforced Polymers) C-FRPs are presented in this paper. The main aim of the study is to examine the influence of different parameters on the type of failure and on the [...] Read more.
The results of an experimental investigation carried out on steel splices bonded by (Carbon-Fiber–Reinforced Polymers) C-FRPs are presented in this paper. The main aim of the study is to examine the influence of different parameters on the type of failure and on the ductility of splices. Different configurations of the specimens were considered, including butt and lapped joints using different arrangements for end anchorage of the bonded C-FRP laminas, such as (i) external bonding; and (ii) anchored jacketing with C-FRP sheets transversally wrapped to the longitudinal axis of the joints. The results in terms of failure modes and response curves are described and discussed, highlighting the potentiality of these types of bonded connections for metal structures. In particular, experimental results showed that (i) the failure modes exhibited by both butt and lapped wrapped splices were substantially similar; (ii) the wrapped anchoring is beneficial in order to achieve large deformations prior to failure, thus allowing a satisfactory ductility, even though a more timely installation process is necessary. Full article
(This article belongs to the Special Issue Bolted and Bonded Joints in Fibre Reinforced Polymer Structures)
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21 pages, 2421 KiB  
Concept Paper
C-Anchor for Strengthening the Connection between Adhesively Bonded Laminates and Concrete Substrates
by Ghani Razaqpur and Ahmed B. Mostafa
Technologies 2015, 3(4), 238-258; https://doi.org/10.3390/technologies3040238 - 30 Nov 2015
Cited by 8 | Viewed by 5513
Abstract
A new carbon fiber reinforced polymer (CFRP) anchor is developed and tested to delay debonding in reinforced concrete (RC) beams externally strengthened with FRP laminate/sheet. The C-shape anchor is made from a commercially available CFRP grid. The anchors legs are 95 mm long [...] Read more.
A new carbon fiber reinforced polymer (CFRP) anchor is developed and tested to delay debonding in reinforced concrete (RC) beams externally strengthened with FRP laminate/sheet. The C-shape anchor is made from a commercially available CFRP grid. The anchors legs are 95 mm long while the spacing between the legs is adjustable, depending on FRP laminate and beam widths. Nine full scale RC beams, 3.0 m long, 250 mm wide and 400 mm deep, were strengthened with CFRP laminate/sheet, with and without the C-anchor. The main test parameters were the type and amount of FRP laminate and the presence/absence of the anchor. Test results showed that beams with the anchor had generally 5%–10% higher debonding and failure load, and they reached higher deflection at failure than the companion beams without anchors. Although complete separation of the FRP laminate from the concrete was not observed in any of the beams with anchors, there was noticeable slip at failure at one end of the laminate. A significant outcome of the study is that anchors are effective in limiting the extent of debonding along the laminate, thus contributing to the flexural stiffness of the beam by reducing the extent of cracking and limiting the crack width along the beam. Finally, the anchor allowed the FRP to reach or exceed its theoretically allowable strain computed based on the American Concrete Institute (ACI) Committee 440 recommendation while in none of the beams without anchors, the FRP reached its theoretically allowable strain. Full article
(This article belongs to the Special Issue Bolted and Bonded Joints in Fibre Reinforced Polymer Structures)
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