Which of the following is not an advantage of building with concrete?

• A. Durability
• B. Fire resistance
• C. Tensile and shear strength
• D. Low maintenance

Answer: (C)

Building with concrete offers numerous advantages, one of which is its notable durability. Concrete structures are known for their long lifespan and ability to withstand the elements, which is a significant benefit in construction.

Fire resistance is another key advantage of concrete. It has inherent properties that allow it to hold up well under high temperatures, making it a safe choice for structures that require fire safety considerations.

Low maintenance is also a benefit of concrete. Once properly set and cured, concrete requires minimal upkeep compared to other materials, which often need regular repairs or coatings.

Tensile and shear strength, while important properties in construction materials, are not typically considered strengths of concrete alone. Concrete excels in compressive strength but has limited tensile strength. While reinforcements (like steel rebar) can enhance this, the material on its own does not inherently possess high tensile or shear strength. Therefore, this option does not fit with the established benefits of concrete.