Fig. 17
From: Biochar modification enhances mechanical and durability properties of cement-based materials
SEM images of UHPC, as (a) control, 500×; (b) 1BC0.25, 16,000×; (c) 1BC1, 5,000×; (d) 1BC24, 5,000× (e) 1BC8, 10,000×; (f) 2BC8, 3,000×; (g) 3BC8 5,000×; and (h) 4BC8,10,000×.
