Study on Material Properties of Magnesium Oxide Carbonized Prestressed Pipe Piles

Table 2

Material usage.

Magnesium oxide activity	Number	Ratio (MgO/water)	Note
High	M0	/	All is ordinary cement
High	M1	1 : 2	The mass of magnesium oxide and cement mixture is 300 g
High	M2	1 : 1
High	M3	2 : 1