NEW ORLEANS — If you throw a block of concrete in a bayou, it will sink. So how is it that hundreds of engineering students from around the Southeast managed to not just build, but race canoes made of ...

KALAMAZOO -- Concrete for sidewalks and building foundations? Of course. Glass-embedded concrete as an alternative to granite countertops? OK. But a concrete canoe? And one that weighs close to 400 ...

A long-handled bull float smooths and levels concrete immediately after it has been screeded. For a good finish, professionals warn not to overwork concrete. Photos: Portland Cement Association ...

Premature finishing, overworking the surface and inadequate curing are typical causes of surface defects on exterior slabs. Some of these defects include premature wear, scaling, mortar flaking and ...