Polymers render concrete fire-resistant

Self-compacting high-performance concrete (SCHPC) has till now suffered from one weakness – when exposed to fire it flakes and splits, which reduces its loadbearing capacity. Empa scientists have now developed a method ...

Thin walls with potentially fatal consequences

Given the choice between safer and cheaper construction, many housing design companies in earthquake-prone developing countries see themselves forced to save on expensive construction materials and opt for the latter. EPFL ...

Structure of 'concrete disease' solved

When bridges, dam walls and other structures made of concrete are streaked with dark cracks after a few decades, the culprit is AAR: the alkali-aggregate reaction. AAR damages concrete structures all over the world and makes ...

TU Eindhoven starts using kingsize 3-D concrete printer

Last month Eindhoven University of Technology (TU/e) began using a concrete printer that enables objects of up to 11 meters long, 5 meters wide and 4 meter high to be printed. The university will be working with the building ...

Los Angeles orders quake retrofit for many older buildings

Thousands of older wood and concrete apartment buildings vulnerable to collapse in a major earthquake would get costly upgrades under sweeping retrofitting rules passed Friday by the Los Angeles City Council.

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