move the mattock to the opposite side of the chunk above the flat edge under the concrete. Then lift up to ‘unlock’ the stuck ...

Add reinforcement: Concrete should be reinforced to minimize patio cracking. Some people use reinforcing steel mesh, but 1/2-in. rebar on a 12-in. x 16-in. grid does a better job. Place the mesh ...

The carbon fiber is woven into a mesh, or as a composite material that mimics existing rebar structures. These two types of reinforcement can be combined in a composite to produce a concrete ...