From: Laboratory Investigation on Preplaced Ballast Aggregate Concrete Deterioration over Freezing–Thawing Cycles
Material
Value
Coarse aggregate type
Andesite ballast
Coarse aggregate volume ratio (%)
40
Coarse aggregate density (tom/m3)
2.26
Coarse aggregate size distribution
As Fig. 4
Mortar volume ratio (%)
60
Mortar mixture design
As Table 2
