Slag cement is a wonderful material to work with, from 4,000 psi concrete to 15,000 psi concrete. I've used 50% in 13,000 psi concrete and it works beautifully. Don't be afraid to use 30% or 40%, you won't be sorry. Unfortunity, slag is not available in all areas, especially hard to find in the...
jmiec
There is big difference between proportions containing a #67 and #57. Granted, the majority of all #57 will meet a #67 spec., but its surface area of the rock that matters in this case. Proportion with #67 rock will remain more stable and when using high slump or SCC, the stability factor...
