Research Article
Improved Deflection Prediction Model for PSC Box Girder with Stay Cable System during Tensioning Phase
| Level | Qualitative description | Quantitative description |
| 1 | No oblique cracks | — | 2 | A small amount of slight oblique cracks, with the width not exceeding the limit | The crack length is less than 1/3 of the cross-sectional dimension | 3 | There are many oblique cracks, and the width of the crack does not exceed the limit | The crack length is between 1/3 and 1/2 of the cross-sectional dimension | 4 | A large number of oblique cracks, with the width exceeding the limit | The crack length is greater than 1/2 of the cross-sectional dimension, and the mean spacing is less than 30 cm | 5 | A large number of oblique cracks are penetrated, and the width of the cracks is seriously exceeding the limit | Crack width greater than 1.0 mm, mean spacing less than 20 cm |
|
|