Research Article

Improved Deflection Prediction Model for PSC Box Girder with Stay Cable System during Tensioning Phase

Table 1

Evaluation standard.

LevelQualitative descriptionQuantitative description

1No oblique cracks
2A small amount of slight oblique cracks, with the width not exceeding the limitThe crack length is less than 1/3 of the cross-sectional dimension
3There are many oblique cracks, and the width of the crack does not exceed the limitThe crack length is between 1/3 and 1/2 of the cross-sectional dimension
4A large number of oblique cracks, with the width exceeding the limitThe crack length is greater than 1/2 of the cross-sectional dimension, and the mean spacing is less than 30 cm
5A large number of oblique cracks are penetrated, and the width of the cracks is seriously exceeding the limitCrack width greater than 1.0 mm, mean spacing less than 20 cm