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

<div>Distribution diagram of calcium carbonate content in different mix proportion. (a) Figure of calcium carbonate content in S1 system. (b) Figure of calcium carbonate content in S2 system.</div>

Advances in Materials Science and Engineering

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Figure 3

Figure 3: Experimental Study on the Effect of Expansive Agent on the Durability of Concrete in Civil Air Defense Engineering 