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

The correct answer is that low cost of materials is typically not considered an advantage of building with concrete. While concrete possesses a variety of beneficial properties that make it an excellent choice for construction, such as fire resistance, durability, and impressive tensile and shear strength, the initial material costs can be higher compared to other options like wood or steel.

Concrete is particularly favored in construction due to its exceptional fire resistance, meaning that it can withstand high temperatures without failing, which is critically important for safety in buildings. Additionally, concrete is known for its durability and longevity; structures made from concrete can last many decades with proper maintenance, often outlasting those made from materials that may require more frequent replacement. The tensile and shear strength of concrete is also a significant advantage, as it can handle considerable loads and resist forces that could potentially damage a structure. Thus, while concrete may offer various advantages in construction, it is not consistently the most economical choice, especially when considering material costs alone.