High strength concrete with proper reinforcement
Would thinset and fiberglass cloth make a good reinforced concrete countertop?
Fibers as Secondary Reinforcement in concrete countertops
Rebar size in Concrete Countertops: It can be too big.
Are concrete countertops still at risk of cracking if they have high compressive strength?
Compression/Tension: Concrete countertops are beams
Rebar in a cast in place concrete countertop
How to avoid ghostly mistakes in your concrete countertops