Study on the Deterioration of Concrete under Dry-Wet Cycle and Sulfate Attack.

With the increase of soaking time in Na 2 SO 4 solution, T 2 spectrum distribution curves of J5 and J4 move to the right, that is, moving in the direction of the larger pore size, and the signal intensity of larger pores generally shows an increasing trend, which reveals the corrosion of sodium sulfate gradually penetrating into the interior of concrete.

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