Certified Associate Constructor (CAC) Level 1 Practice Exam 2025 – Your All-in-One Guide to Exam Success!

Concrete is known for its exceptional strength in compression, making it a popular choice in construction, especially for structural applications such as beams, columns, and foundations. This property arises from concrete's composition, which includes cement, aggregates, and water. When these components are mixed and cured, they form a solid mass that can withstand significant compressive forces without failing.

Unlike some materials that can be strong in tension or flexural loads, concrete excels in bearing heavy loads applied vertically, which is common in buildings and infrastructure. Its ability to resist crushing under weight while maintaining structural integrity under various conditions contributes to its widespread use in civil engineering projects.

While steel also exhibits high strength and is particularly strong in both tension and compression, concrete's specific strength in compression and relative cost-effectiveness for large-scale constructions make it the material of choice in many cases.