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Prestressed CFRP Strips with Gradient Anchorage for Structural Concrete Retrofitting: Experiments and Numerical Modeling
Polymers 2014, 6(2), 280-299; doi:10.3390/polym6020280

Retrofitting Masonry Walls with Carbon Mesh

*  and
Institute of Construction and Environment, University of Applied Sciences (UAS), Bd de Pérolles 80, Fribourg 1705, Switzerland
* Author to whom correspondence should be addressed.
Received: 2 December 2013 / Revised: 21 January 2014 / Accepted: 22 January 2014 / Published: 27 January 2014
(This article belongs to the Special Issue Selected Papers from "SMAR 2013")
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Static-cyclic shear load tests and tensile tests on retrofitted masonry walls were conducted at UAS Fribourg for an evaluation of the newly developed retrofitting system, the S&P ARMO-System. This retrofitting system consists of a composite of carbon mesh embedded in a specially adapted high quality spray mortar. It can be applied with established construction techniques using traditional construction materials. The experimental study has shown that masonry walls reinforced by this retrofitting system reach a similar strength and a higher ductility than retrofits by means of bonded carbon fiber reinforced polymer sheets. Hence, the retrofitting system using carbon fiber meshes embedded in a high quality mortar constitutes a good option for static or seismic retrofits or reinforcements for masonry walls. However, the experimental studies also revealed that the mechanical anchorage of carbon mesh may be delicate depending on its design.
Keywords: retrofitting; masonry; S&P ARMO-System; carbon mesh; high quality spray mortar; mechanical anchorage retrofitting; masonry; S&P ARMO-System; carbon mesh; high quality spray mortar; mechanical anchorage
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Bischof, P.; Suter, R. Retrofitting Masonry Walls with Carbon Mesh. Polymers 2014, 6, 280-299.

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