Research Article

Microstructure and Mechanical Properties of Recycled Aggregate Concrete in Seawater Environment

Table 1

Physical properties of NCA and RCA.

Physical indexNCARCA

Grading (mm) 5–32.5 5–32.5
Bulk density (kg/m3) 1466 1305
Apparent density (kg/m3)28122498
Water absorption (%)0.459.15
Crush index (%)4.1214.9