Temperature Field of Concrete-Filled Steel Tubular Arch Bridges and Its Application

Table 3

The calculation results of the nonuniform temperature.

Schemes	Temperature of upper steel tube (°C)	Temperature of lower steel tube (°C)	Temperature of left steel tube (°C)	Temperature of right steel tube (°C)	Temperature of upper concrete (°C)	Temperature of lower concrete (°C)	Inner concrete temperature (°C)
4 am
Scheme 1	11.2	21	11	39.8	11.4	11.4	49.6
Scheme 2	12	22	11	40	11.6	11.6	50.4
Scheme 3	13	25	12	41	12	12	51
Scheme 4	16.2	29	16	41.7	16.4	16.4	49.2
Scheme 5	15.3	26	14	41	14.5	14.5	50
Scheme 6	11.8	20	10	39	11.9	11.9	51
Scheme 7	9	17	8	37	11.9	11.9	50
2 pm
Scheme 1	48.7	27.8	35	35	46	27.9	48.6
Scheme 2	51.7	28	38	38	49	28.3	50.4
Scheme 3	55	28.4	40	40	52	28.6	55
Scheme 4	46.3	26.1	36	36	45	26.4	48
Scheme 5	51.8	27.6	38	38	51.7	27.8	51
Scheme 6	52	28.4	38	38	51.7	28.6	54.5
Scheme 7	50	28.4	36	36	51	29	54.2