slump test
https://bit.ly/4jAYaFr
The majority of split driveways in Adelaide aren't down to poor concrete. The ground underneath did the damage. Much of Adelaide sits on reactive clay, the stuff that swells when it's wet and shrinks when it bakes
The majority of split driveways in Adelaide aren't down to poor concrete. The ground underneath did the damage. Much of Adelaide sits on reactive clay, the stuff that swells when it's wet and shrinks when it bakes