Research Article

Study on Durability of Concrete under Alkali-Aggregate Reaction

Table 1

The main physical properties of cement table.

CementSetting time (min)Compressive strength (MPa)Flexural strength (MPa)Finely
Initial settingFinal set3 d28 d3 d28 dSieve

P.S.A32.5Measured value16947113.039.93.47.06
Standard values≥45≤60010.032.52.55.5≤10
P.O42.5Measured value14833522.649.44.68.03
Standard values≥45≤60017.046.53.56.5≤10