Nowadays concrete core test is a famous and well-established method for the assessment of the compressive strength of the hardened concrete.
Civil Engineering: Compressive Strength Test of Concrete Core
Test on Hardened Concrete - Strength, Compression & Durability - Concrete Network
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Compression strength testing - Stevenson
Non-destructive Concrete Tests (NDT) for Structure Strength
Concrete Cylinder Compression Test: Evaluating Strength
Test on Hardened Concrete - Strength, Compression & Durability - Concrete Network
PDF) Designation: C 42/C 42M – 04 Standard Test Method for Obtaining and Testing Drilled Cores and Sawed Beams of Concrete 1
Brick Test: How to Check the Quality of Bricks?
Compressive Strength - an overview