Optimization and Hydration Mechanism of Composite Cementing Material for Paste Filling in Coal Mines

Table 2

Chemical and mineral compositions of sulphoaluminate cement.

Material	Chemical constituents (%)					Mineral compositions (%)
	SiO2	Al2O3	Fe2O3	CaO	SO3	C4A3	β-C2S	C2F	f-SO3
Sulphoaluminate cement	11.85	29.64	2.68	43.22	6.94	57.37	25.55	6.56	1.92