eli5 how does cement and concrete become hard if it’s only rocks and water

183 views

eli5 how does cement and concrete become hard if it’s only rocks and water

In: 12

6 Answers

Anonymous 0 Comments

The cement is calcium oxide. Water reacts with it, adds an oxygen and the Ca dioxide bonds with the silica in sand and rocks, forming a matrix.

You are viewing 1 out of 6 answers, click here to view all answers.