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An experimental investigation into bond behavior of prestressed CFRP to steel substrate

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Correlation of microdistortions with misfit volumes in High Entropy Alloys

William Curtin

The yield strengths of High Entropy Alloys have recently been correlated with measured or computed picometer-scale atomic distortions. Here, the root mean square microdistortion in a multicomponent alloy is shown to be nearly proportional to the misfit-vol ...

PERGAMON-ELSEVIER SCIENCE LTD2019

In the current study, the glass transition and tensile behavior of three different cold-curing two-component epoxies, commercially available as structural adhesives for carbon fiber reinforced polymer (CFRP) strengthening of concrete and steel structures, ...

2018

FRP-to-concrete debonding - global and local bond behaviour

Ardalan Hosseini

FRP (fiber reinforced polymer) strips are used to flexurally strengthen reinforced concrete (RC) beams. The global bond strength namely the maximum transferable bond stress due to the increase of FRP tensile stress in a cracked concrete element (subsequent ...

2018

Prestressed unbonded reinforcement system with multiple CFRP plates for fatigue strengthening of steel members

Alain Nussbaumer, Ardalan Hosseini, Masoud Motavalli, Elyas Ghafoori

Carbon fiber reinforced polymer (CFRP) composites have exhibited a great potential for strengthening of steel structures. In the current study, an innovative prestressed unbonded reinforcement (PUR) system is introduced for fatigue strengthening of existin ...

2018

Bond behavior and anchorage resistance of prestressed CFRP plates to steel substrate have been investigated in the current study. To do so, a set of single lap-shear and prestress release tests was performed on CFRP-to-steel bonded joints, and the feasibil ...

2018

Short-term bond behavior and debonding capacity of prestressed CFRP composites to steel substrate

Ardalan Hosseini, Masoud Motavalli, Elyas Ghafoori

In this study, the short-term bonding behaviors of prestressed CFRP plates to steel substrates and their debonding capacities have been investigated. For this purpose, single lap-shear and prestress release tests were performed on adhesively bonded CFRP-to ...

2018

Application of pre-stressed un-bonded CFRP for strenghthening of metallic structures

Ardalan Hosseini, Elyas Ghafoori

Application of carbon fiber-reinforced polymer (CFRP) composites for retrofitting reinforced concrete structures has been extensively investigated and used in practice. Many studies demonstrated the beneficial influence of such composite materials for the ...

2018

Prestressed FRP-strengthening and wireless monitoring of a metallic bridge in Australia

Ardalan Hosseini, Masoud Motavalli, Elyas Ghafoori

This paper presents the first application of pre-stressed carbon fibre-reinforced polymer (CFRP) material for strengthening of a metallic bridge in Australia. The study also describes the application of a wireless sensor network (WSN) system for long-term ...

Taylor & Francis2018

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This paper presents an application of prestressed carbon ﬁber-reinforced polymer (CFRP) plates for the strengthening of metallic girders of a roadway bridge in Melbourne, Australia. The study also describes the application of a wireless sensor network (WSN ...

2018

Flat prestressed unbonded reinforcement (FPUR) system for strengthening of steel I-Beams

Alain Nussbaumer, Ardalan Hosseini, Masoud Motavalli, Elyas Ghafoori

This paper proposes a novel retrofitting system for the strengthening of steel I-beams using prestressed unbonded carbon fiber reinforced polymer (CFRP) plates. The system relies on a pair of mechanical clamps. Each clamp holds two flat CFRP plates (each 5 ...

Taylor & Francis2018