slump test
https://bit.ly/4jAYaFr
Most cracked driveways in Adelaide aren't down to poor concrete. They were cracked by the ground underneath. Much of Adelaide sits on reactive clay, the kind of soil that puffs up in the rain and shrinks in the heat
Most cracked driveways in Adelaide aren't down to poor concrete. They were cracked by the ground underneath. Much of Adelaide sits on reactive clay, the kind of soil that puffs up in the rain and shrinks in the heat