Research Article

Experimental Study on the Effect of Expansive Agent on the Durability of Concrete in Civil Air Defense Engineering

Table 2

Drying and wetting cycle system.

Circular system numberExperimental plan

S1Soaked in 3.5% NaCl for 4 daysDry for 2 daysCarbonized for 3 daysCycle 6 times
S2Soaked in 3.5% NaCl for 4 daysDry for 2 daysCarbonized for 5 daysCycle 6 times
S3Soaked in 3.5% NaCl for 4 daysDry for 2 daysCarbonized for 0 daysCycle 6 times