序号

脱硫石膏掺量(%)

生石灰掺量(%)

制浆白泥掺量(%)

无侧限抗压强度(MPa)

${\text{x}}_{\text{i}}^2$

1

0

0

0

0.362

0.131

2

0

2

2

1.029

1.059

3

0

4

4

1.202

1.445

4

2

0

2

0.598

0.358

5

2

2

4

1.042

1.086

6

2

4

0

1.521

2.313

7

4

0

4

0.672

0.452

8

4

2

0

1.319

1.740

9

4

4

2

1.215

1.476

I_j

2.592

1.632

2.916

K = 9.515

W = 11.472

II_j

3.360

3.387

3.402

III_j

3.507

4.437

3.222

U

U_A = 10.102

U_B = 11.274

U_C = 10.153

P = 10.059

Q

Q_A = 0.043

Q_B = 1.215

Q_C = 0.094