Concrete under the microscope - Bare Essentials of Concrete - Part 3

Learning outcomes: - What is happening when concrete hardens - How concrete changes over time - How this effects its properties By understanding the properties and chemical reaction (such as the hydration reactions, hardening and continued strengthening), it can be decided how to treat concrete when it is made on site; e.g. noting weather and site conditions, placement & compaction (of concrete), covering if required, etc