Durability of Recycled Concrete after Reinforcing the Aggregates with Permeable Crystalline Materials

Table 4

The specific uses and dimensions.

Project	Sample size	Number of sample groups	Total	Remark
7-Day compressive strength	100 mm × 100 mm × 100 mm	13	39	All test three specimens in a group
28-Day compressive strength	100 mm × 100 mm × 100 mm	13	39
Carbonizing test	100 mm × 100 mm × 100 mm	13	117
Freeze–thaw test	400 mm × 100 mm × 100 mm	13	39