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Advances in Civil Engineering
/
2019
/
Article
/
Tab 4
/
Research Article
Experimental Study of the Pore Structure Deterioration of Sandstones under Freeze-Thaw Cycles and Chemical Erosion
Table 4
Chemical composition of red sandstone (%).
SiO
2
Al
2
O
3
CaO
MgO
Na
2
O
Fe
2
O
3
K
2
O
TiO
2
P
2
O
5
52.5
11.4
5.8
3.8
3.2
2.3
1.8
0.5
0.1
