Research Article

Study on the Preparation and Fracture Behavior of Red Mud-Yellow Phosphorus Slag-Based Concrete

Figure 5

XRD results of the cementitious materials in concrete specimens RM-YPS-CC, YPS-CC, cement, RM, and YPS. : ettringite (AFt, 3CaO·Al2O3·3CaSO4·32H2O, PDF#41-1451); : portlandite (CH, Ca(OH)2, PDF#44-1481); : calcite (CaCO3, PDF#47-1743); : tricalcium silicate (C3S, 3CaO·SiO2, PDF#49-0442); : tricalcium aluminate (C3A, 3CaO·Al2O3, PDF#06-0495); : dicalcium silicate (β2S, 2CaO·SiO2, PDF#33-0302).