Technical Advances of Temporary Facilities for the Failure Prevention of Large-Span Cantilever Casting Construction of Mountainous Concrete Box-Type Arch Bridges

Table 2

Stress, stability, and deformation of the form traveler in typical cantilever loading cases. M denotes maximum and L and S denote the longitudinal beam and spread beam, respectively. Five cases are illustrated in Figure 3.

Case	M axial stress (MPa)	M bending stress (MPa)	M shear stress (MPa)	1st order stability factor	2nd order stability factor	3rd order stability factor	4th order stability factor	M deformation (mm)	Position of M deformation
1	82.5	59.6	31.5	9.8	10	11.2	11.2	19.1	End of L
2	84.7	58.7	31.5	9.8	10	11.2	11.2	20	End of L
3	84.7	58.7	31.5	9.8	10	11.2	11.2	17.8	End of no. 7 S
4	64.8	65.9	35.3	9	9.1	9.9	9.9	17.8	End of no. 7 S
5	64.7	66.2	36	9	9.1	9.8	9.9	17.7	End of no. 7 S