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. 2021 Oct 20;14(21):6234. doi: 10.3390/ma14216234

Figure 1.

Figure 1

Raw materials: (a), ordinary 42.5 silicate type Huaxin Cement; (b), cobblestones with a maximum nominal grain size of 10 mm and a grading of 5–10 mm; (c), fly ash; (d), ordinary steel fiber; (e), ultrashort ultrafine steel fiber; (f), polypropylene flexible fiber; (g), polymer emulsion.