SC Wood Frame Structures Practice Questions - South Carolina Wood Frame Structures Contractor Examination Exam

Why is air-entrained concrete specified for an exterior stoop or exposed foundation wall in a freeze-thaw climate?

Entrained air replaces the need for any compressive-strength requirement Air-entrained mixes are always specified for interior heated slabs Microscopic air voids relieve freezing pressure in the paste and improve freeze-thaw durability Entrained air is added only to make pumping impossible

Correct Answer:

Microscopic air voids relieve freezing pressure in the paste and improve freeze-thaw durability

Access more questions from this quiz

Continue to SC Wood Frame Structures Practice Questions - South Carolina Wood Frame Structures Contractor Examination Exam for more practice questions and the full quiz experience.

Access More Questions