Bloating Mechanism of Lightweight Aggregates due to Ramping Rate

Table 2

Chemical compositions of raw material.

	Coal bottom ash	Dredged soil
Ig. loss	0	4.04
SiO2	62.03	71.00
Al2O3	25.40	14.24
Fe2O3	4.14	3.78
CaO	1.00	0.78
MgO	0.94	0.18
Na2O	0.08	2.49
K2O	3.23	2.67
TiO2	0.84	0.79
ZrO2	0	0
P2O5	0.12	0.03
Cr2O3	0.02	0
MnO	0.03	0
C	1.74	0
Total	100	100