Question:

Which statement about lightweight concrete is not accurate in civil engineering?

A$)$ Lightweight concrete is often preferred for applications where reducing dead load is crucial, such as in the construction of elevated highways and bridges.

B$)$ The use of lightweight aggregates like expanded clay, shale, or volcanic pumice helps lower the density of lightweight concrete while maintaining adequate strength.

C$)$ Unlike conventional concrete, lightweight concrete typically exhibits lower thermal conductivity, making it suitable for insulation purposes in buildings and structures.

D$)$ Lightweight concrete possesses higher resistance to fire compared to regular concrete, making it a preferred choice for fireproofing applications in civil engineering projects