Concrete slabs-on-ground develop curl when a moisture or temperature gradient exists between the top and bottom surfaces of the slab. As the exposed top surface dries and shrinks relative to the ...

Slab thickness is the greatest single factor controlling the load-carry capacity of a slab-on-ground. While other factors including concrete compressive strength, the thickness and quality of the base ...

A new type of steel-reinforced concrete protects buildings better from bomb attacks. Researchers have developed a formula to quickly calculate the concrete’s required thickness. The material will be ...

DEAR TIM: My concrete driveway has eight large slabs. The driveway slopes down from my garage to the street. The straight-line gaps between the slabs has enlarged, and some cracks are as wide as 2 ...

Q. My concrete driveway has eight large slabs. The driveway slopes down from my garage to the street. The straight-line gaps between the slabs has enlarged, and some cracks are as wide as 2 inches now ...