Experimental Study on Application Performance of Foamed Concrete Prepared Based on a New Composite Foaming Agent

Figure 20

SEM images of foamed concrete under different diatomite contents: (a) 0; (b) 1%; (c) 2%; (d) 3%; (e) 4%; (f) 5%; (g) 6%.

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(b)

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(d)

(e)

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(g)