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International Journal of Concrete Structures and Materials

Table 19 Contribution results of factors and error under compressive strength at 87 d

From: Research on Modified High-Performance Cement Mortar of Prefabricated Buildings Based on Orthogonal Test

Factor

Sum of square of deviation

Degrees of freedom

Sum of square of pure deviation

Contribution rate %

A

87.755

2

43.877

44.81

B

0.095

2

0.048

0.05

C

2.171

2

1.086

1.11

Error

7.898

2

3.949

4.03

Sum

97.92

8

  
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