Strain-Based Evaluation of a Steel Through-Girder Railroad Bridge

Table 2

Section properties of rails and ties.

	Area	Torsional constant	𝐼𝑥	𝐼𝑦	Major axis shear area	Minor axis shear area	𝑆𝑥	𝑆𝑦
	cm^2	cm^4	cm^4	cm^4	cm^2	cm^2	cm^3	cm^3
Rail	86.00	259.7	3921	601.0	23.47	31.09	462.1	31.05
Ties	356.5	16986	8097	13846	356.5	356.5	980.8	505.0