It's somewhat hard to believe that this (forming lumps and adding membranes) does not affect the material properties as building material, especially, where var

It's somewhat hard to believe that this (forming lumps and adding membranes) does not affect the material properties as building material, especially, where various flavors of concrete are all about the grade of the cement. (Concrete isn't just concrete.) How is this, as a capacitor, immune to pressure? How do you jump from a 12V car battery to entire buildings and roads?