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Table 10 Pair-wise comparison matrix and standardized performance index (physical performance).

From: AHP-Based Evaluation Model for Optimal Selection Process of Patching Materials for Concrete Repair: Focused on Quantitative Requirements

Physical performance

Compressive strength

Tensile strength

Adhesive strength

Drying shrinkage

Elasticity

Thermal expansion

Relative weights

Compressive strength

1.000

0.500

0.250

0.167

0.500

0.629

0.057

Tensile strength

 

1.000

0.200

0.200

1.000

0.820

0.085

Adhesive strength

  

1.000

0.333

3.000

0.787

0.219

Drying shrinkage

   

1.000

5.000

1.610

0.396

Elasticity

    

1.000

0.826

0.089

Thermal expansion

     

1.000

0.154

  1. Italic numbers are the relative significanes expressed from 1 to 9 for making pair-wise comparisons with the vertical to the horizontal
  2. Inconsistency: 0.06.