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Two Applied Technology Council hazard-mitigation projects targeting nonductile concrete buildings—often referred to as “killer buildings” because many are at risk of collapse in an earthquake—are ...

Many bridges in Switzerland were built before the 1980s – and are therefore approaching the end of their service life. Empa researchers are now ...

Concrete structures may look sturdy and durable, but the ones built without steel reinforcing bars, known as rebar, are actually brittle and run the risk of collapsing in a strong earthquake. That’s a ...

This project quantified the improvement in structural behavior of reinforced concrete shear walls retrofitted with a new method that allows the walls to rock over the foundation and self-center after ...

Keywords: Retrofitting, Passive Control Systems, Energy Dissipation, Friction Damping Devices, Reinforced Concrete Frames, Shaking Table Tests, Analytical Models, and Added Damping. Abstract: This is ...

A novel strengthening system that combines ultra high performance fibre reinforced concrete with memory steel could help extend the life of ageing reinforced concrete bridges. Researchers at Empa in ...

San Francisco wants to inventory its concrete buildings to determine which structures are most vulnerable to damage during the next major earthquake. Mayor London Breed issued an executive directive ...