Sunday, 31 July 2016

Concrete decay destroys infrastructure (online)

How industrial civilisation is (literally) built on a foundation with an expiry date

The main issue is simple: putting in steel reinforcing bars lowers the cost and weight of installing reinforced concrete, but at the severe expense of reducing its lifespan. In other words, literally everything you see today that’s made of concrete will need to be replaced within a hundred years of its installation.
Our reinforced concrete infrastructure sends a dire warning.


  1. not true, with the correct cover over the reinforcing iron, the structure will outlast a concrete-only structure by a thousand years.

  2. True in some cases. using modern equipment like chilling plants can be used to improve the quality of the cover.