Study on Sunshine Stress Effect of Long-Span and Wide Concrete Box Girder

Figure 3

Layout diagram of beam temperature measuring points.

(a) Upper surface (measuring point no.: 1, 2, and 3 from left to right)

(b) Lower surface (measuring point no.: 4, 5, 6, 7, 8, 9, 10, and 11 from left to right)

(c) Web (measuring point no.: the left side is 12, 13, 14, 15, and 16 from top to bottom;the right side is 17, 18, 19, and 20 from top to bottom)