Research Article

The Concrete Performance with Iron Tailings Sand Modified by Polypropylene Fibers under Aggressive Environment

Table 4

The number of pores in each size.

Concrete typeThe number of pores in each sizeTotal number of pores
0–0.10.1–0.30.3–0.50.5–0.80.8–11–33–55–1010–20

CI0P0377517711698280916416055320312375
CI30P0339314991184149581432128538742
CI30P0.118625154837333561335104088