Scanning electron microscopy brings it to light: Depending on the ideal mixture, concrete as a building material is small-pore and compact, and thus resilient towards humidity, frost or chemical substances.
The "cement-bound building materials" team of the German BAM, the Berlin Federal Institute for Materials Research and Testing, conducts research into new concrete formulae, in particular for the repair of concrete. Before numerous construction material tests are performed, the samples are conditione
