What kind of strength does concrete exhibit when it is compressed?

• A. High ductility
• B. Low compressive resistance
• C. High compressive strength
• D. High tensile strength

Answer: (C)

Concrete exhibits high compressive strength when it is compressed, making it an ideal material for construction, particularly for structural components such as beams, columns, and slabs. Compressive strength refers to the ability of a material to withstand axial loads that tend to compress it. Concrete's molecular structure, made primarily of cement, aggregates, and water, allows it to distribute the applied load effectively and resist deformation under compression.

In practical terms, compressive strength is a critical factor in determining how much load concrete can support without failing. High compressive strength means that concrete can endure significant weight and pressure, which is essential for the durability and stability of buildings and infrastructure. This property is measured in pounds per square inch (psi) or megapascals (MPa) and is one of the main reasons concrete is favored in construction projects worldwide.