Temperature Field and Gradient Effect of a Steel-Concrete Composite Box Girder Bridge

Table 3

Temperature data measured on June 11, 2021 (unit: °C).

Time	Ambient temperature	#1	#2	#3	#4	#5	#6	#7	#8	#9	#10
01 : 00	21	18.9	20.7	19.7	19.5	19.6	19.5	19.6	19.8	20.5	19.1
03 : 00	19	18.1	19.3	18.5	18.4	18.5	18.2	18.4	18.5	19.6	18.1
05 : 00	20	18.7	19.4	18.7	18.5	18.6	18.4	18.5	18.6	18.8	18.3
07 : 00	24	23.9	21.3	22.6	22.7	22.4	23.4	23.9	23.1	23.8	25.4
09 : 00	26	28.7	24.3	26.1	26.8	26.5	28.2	28.8	27.9	27.2	29.6
11 : 00	27	31.9	27.3	27.4	27.7	27.5	31.7	32.9	31.1	30.2	32.2
13 : 00	31	33.7	31.1	30.2	31.3	30.8	32.5	33.1	31.8	31	34.1
15 : 00	31	34.9	31.5	31.7	32.8	32.3	32.2	32.9	32.1	31.5	35.2
17 : 00	32	35.7	32.6	32.8	33.6	32.9	32.7	33.1	32.2	31.8	35.8
19 : 00	31	35.3	32.3	31.2	31.8	31.6	30.6	30.8	30.5	31.3	34.8
21 : 00	28	30.5	29.6	29.4	28.7	28.5	28.4	28.6	28.2	29.2	29.5
23 : 00	27	28.8	28.3	27.4	27.5	27.1	26.5	26.8	26.7	27.8	27.2