Fig. 7
From: Biochar modification enhances mechanical and durability properties of cement-based materials

SEM images showed 1BC1 (a) had abundant hydration products, the hydrated products did not occupy the pores of biochar in the 1BC24 (b).
From: Biochar modification enhances mechanical and durability properties of cement-based materials

SEM images showed 1BC1 (a) had abundant hydration products, the hydrated products did not occupy the pores of biochar in the 1BC24 (b).