In collaboration with industry partners, load-transfer products and structural components composed of glass, carbon or aramid fiber-reinforced polymers (G-, A-, C-FRPs) are developed, taking advantage of the properties offered by FRP materials, such as high strength, low weight, low thermal conductivity, and resistance against aggressive environments.

GFRP-balsa sandwich bridge deck

– Bridge deck system with GFRP skins and balsa core
– Lightweight, prefabricated large-scale panels, rapid installation
– Road and pedestrian bridges

Multifunctional balcony connectors

– Thermally insulating balcony connectors for buildings
– A/GFRP loop, bar and sandwich components
– Low linear thermal transmittance

Strengthening of concrete flat slabs against punching shear

– Flexible CFRP strengthening loops
– Post-tensioned strengthening system
– Increased punching shear resistance of existing slabs

Ground anchors

– CFRP rock or ground anchors with up to 1000-kN capacity
– One or two CFRP strap-end anchor heads
– Resistance against aggressive environments


Completed PhD theses

Structural performance of permanent post-tensioned CFRP ground anchors with strap ends
H. Fan, T. Keller and A. Vassilopoulos (Dirs.). EPFL, Lausanne, 2017.
AbstractFull Text

Thermal and structural performance of a new fiber-reinforced polymer thermal break for energy-efficient constructions
K. Goulouti, T. Keller and J. de Castro San Roman (Dirs.). EPFL, Lausanne, 2016.
AbstractFull Text

Effect of deformation history on punching resistance of reinforced concrete slabs
R. Koppitz, T. Keller (Dir.). EPFL, Lausanne, 2015.
AbstractFull Text

Structural performance of complex core systems for FRP-balsa composite sandwich bridge decks
M. Osei-Antwi, T. Keller and J. de Castro San Roman (Dirs.). EPFL, Lausanne, 2014.
AbstractFull Text

Structural behavior and durability of multifunctional fiber-reinforced polymer components.
F. Riebel, T. Keller (Dir.). EPFL, Lausanne, 2006.
AbstractFull Text


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