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Advances in Civil Engineering
/
2023
/
Article
/
Tab 2
/
Research Article
Utilization of Coffee Husk Ash on the Geotechnical Properties of Gypsum-Stabilized Expansive Clayey Soil
Table 2
Oxide composition of the hydrated gypsum [
31
].
Oxide
SiO
2
Al
2
O
3
Fe
2
O
3
CaO
MgO
Na
2
O
K
2
O
MnO
TiO
2
P
2
O
5
SO
3
LOI
Value (%)
6.21
2.18
3.57
59.47
3.91
0.61
0.79
0.32
0.20
0.27
0.58
17.04
