Numerical Analysis of Microcracks of Fly Ash/Slag Concrete with Cobble as Coarse Aggregate

Table 1

Orthogonal levels of different factors.

Level	Factors
	Mixing amount of fly ash (%)	Mixing amount of slag powder (%)	Gradation of large size cobble (%)
1	5	5	20% : 80%
2	10	10	30% : 70%
3	15	15	40% : 60%
4	20	20	50% : 50%