| Test Value = 2.5 | ||||||
Causes of defects on concrete elements. | Mean | Std. Deviation | Mean Difference | RII | Sig. Value | Decision | |
Rank | Remark | ||||||
Exposed/Corrosion of the embedded metals | 4.68 | 0.467 | 2.182 | 0.9364 | 0.000 | 1st | Significant |
Faulty workmanship | 4.56 | 0.636 | 2.058 | 0.9116 | 0.000 | 2nd | Significant |
Overload and impacts | 4.11 | 0.721 | 1.609 | 0.8217 | 0.000 | 3rd | Significant |
Chemical Attack | 4.07 | 0.802 | 1.570 | 0.8139 | 0.000 | 4th | Significant |
Freeze-thaw deterioration | 3.97 | 0.717 | 1.469 | 0.7937 | 0.000 | 5th | Significant |
Fire/Heat | 3.88 | 1.075 | 1.376 | 0.7751 | 0.000 | 6th | Significant |
Restraint to volume changes | 3.77 | 1.072 | 1.267 | 0.7534 | 0.000 | 7th | Significant |
Abrasion | 3.68 | 0.976 | 1.182 | 0.7364 | 0.000 | 8th | Significant |
Alkali-aggregate reactivity | 3.59 | 0.898 | 1.089 | 0.7178 | 0.000 | 9th | Significant |