Chloride Penetration into Concrete under the Coupling Effects of Internal and External Relative Humidity

Table 1

Mix proportion of plain concrete (kg/m³).

Specimens	Cement	Sand	Natural aggregate	Water
w/c = 0.4	380	627	1269	152
w/c = 0.5	320	653	1267	160
w/c = 0.6	300	699	1191	180