CE 402

Second Semester (022)

H.W. # 3

Question (1): Explain the sulfate attack reactions with C₃A for the different content of cements.

Question (2): What are the factors affecting the sulfate attack.

Question (3): Expansion/contraction due to sulfate attack depends on the type of Aluminate hydrate produced in the hardened concrete, explain.

Question (4): Explain the effect of blended cements on carbonation.

Question (5): Why salt crystallization is more severe at structure near ground level?

Question (6): Explain Frost attack.

Question (7): Show typical chloride penetration profile at concrete level.

Question (8): Write down a chloride diffusion module and explain its parameter.