Befestigungstechnik, Bewehrungstechnik und...II

Edited book, 2012

Concrete technology – porosity is decisive By RALEJS TEPFERS Porosity is the number of pores in a material for instance pores in certain concrete. Porosity is usually expelled in volume percent. The porosity of concrete has influence on the properties in many aspects. Composition of concrete, casting in practice, maturing and hardening, cement reactions and risks at freezing, all are influenced by porosity. The possibilities to influence the type of porosity are important.