Effect of Coral Aggregates of Blended Cement Concrete Subjected to Different Water Immersion Condition

Table 1

Typical tropical sea water chemical composition [41].

Chemical constituent	Value
Sodium, Na^+: ppm	2000–2400
Potassium, K^+: ppm	375
Calcium, Ca^2+: ppm	285
Magnesium, Mg^2+: ppm	1055
Chloride, Cl^−: ppm	16 618–18 020
Sulfate, SO4^2−: ppm	1098
Specific gravity: G/ml	1.025
pH	7.9–8.2
Temperature range: °C	26.5–32.0