Research Article

Study on Strength and Microstructure of Cement-Based Materials Containing Combination Mineral Admixtures

Figure 7

SEM images of each sample ((a) NPC 28 d, (b) NPC 90 d, (c) GL 28 d, (d) GL 90 d, (e) GS 28 d, (f) GS 90 d, (g) LS 28 d, (h) LS 90 d, (i) GLS 28 d, and (j) GLS 90 d).
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