Table 8 Microscopic experimental program.

From: Research on strength characteristics and mechanism of cement stabilized phosphogypsum materials under dry and wet cycles

Serial number

Cement admixture

Number of wet and dry cycles/N

Moisture content/%

Compaction/%

conservation age/d

Number of samples

A1

5%

0

OMC

98

7

1

A2

9%

0

OMC

98

7

1

A3

15%

0

OMC

94

7

1

A4

15%

4

OMC

98

7

1

A5

15%

6

OMC

98

7

1

A6

15%

0

OMC-5%

98

7

1

A7

15%

0

OMC + 5%

98

7

1

A8

15%

0

OMC

98

7

1

A9

15%

0

OMC

98

14

1

Add up the total

     

9