The mortar resists microcracking through in situ crystallization of platy strätlingite, a durable calcium-alumino-silicate mineral that reinforces interfacial zones and the cementitious matrix. The dense intergrowths of the platy crystals obstruct crack propagation and preserve cohesion at the micron scale, which in turn enables the concrete to maintain its chemical resilience and structural integrity in a seismically active environment at the millennial scale. — Berkeley Lab
5 Comments
Brilliant.
calcium-alumino-silicate minerals... that's it? I would have thought it was that ancient roman concrete predated the Italian Mob and trade unions.
very interesting.
As long as we don't revive any of the forms Romans built with this concrete, I'm ok with bringning back the technology.
"Any" ? The arch is dead and buried ? The material is the same, but the forms must be different ?
Just askin' . . .
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