Torsional Stiffness Correction of the Split-Type Triple-Box Steel Box Girder Based on Refined Simulation

Table 1

Material properties.

Structure		Material		E (Pa)
Girder	2.679 ×  (suspension cables)	Steel	7850		0.3
	(the rest)	Steel	7850		0.3
Cross-girder	3.588 ×  (suspension cables)	Steel	7850		0.3
	5.194 ×  (the rest)	Steel	7850		0.3
Tower	(5.489–8.684) ×  (upper tower)	Concrete	2500		0.167
	(3.254–3.535) ×  (middle tower)	Concrete	2500		0.167
	(3.608–4.319) ×  (lower tower)	Concrete	2500		0.167
Main cables	4.230 ×	Hot-dip galvanized steel wire	8400		0.3
Stay cables	(8.582–19.204) ×	Hot-dip galvanized steel wire	8400		0.3
Suspension cables	8.851 ×	Hot-dip galvanized steel wire	8400		0.3