Simulation of Motion Behavior of Concrete in Pump Pipe by DEM

Table 1

Chemical compositions and basic properties of cementitious materials (%).

Chemical composition	Cement	Fly ash	Ultrafine slag	Silica fume
SiO2	23.6	52.3	45.7	92.7
Al2O3	4.4	29.7	5.8	1.1
Fe2O3	2.3	6.5	0.3	0.7
CaO	67.5	11.2	46.6	0.8
SO3	2.03	1.5	1.2	0.0
Ignition loss	4.08	3.7	0.26	4.0
Density g/cm^3	3.10	2.78	2.81	2.20