The results show that TSA gradually develops from the outer to the inner of mortar, and the reduction of water-cement ratio effectively mitigates TSA on mortar.

• 结果表明：TSA侵蚀是一种由外及里、逐渐发展的腐蚀破坏过程，降低水灰比可有效减缓TSA侵蚀破坏速率。