Temperature Gradient and Its Effect on Long-Span Prestressed Concrete Box Girder Bridge

Table 3

The predicted maximum vertical temperature difference and its equivalent linear temperature difference in the girder at the six cross-sections.

Section	Vertical temperature difference (°C)	ELTD (°C)	ELTD (ignore the temperatures in the bottom slab) (°C)	Difference between the two ELTD (%)
T1	16.0	6.4	4.5	29.7
T3	14.8	8.9	5.7	36.0
T4	14.4	7.3	4.6	37.0
T5	14.4	7.2	5.7	20.8
T6	14.0	7.3	6.0	17.8
T2	13.8	7.8	7.3	6.4