An Investigation of Damage Mechanism Induced by Earthquake in a Plate Girder Bridge Based on Seismic Response Analysis: Case Study of Tawarayama Bridge under the 2016 Kumamoto Earthquake

Table 6

Buckling conditions of ten selected members under the undamped condition.

Member	1	2	3	4	5	6	7	8	9	10
Length (mm)	3895	3895	3895	3895	1947	3695	3695	3695	3695	1847
Max. force (N)	543107	552285	571835	541638	577698	597243	532315	581386	528864	567483
Euler’s buckling load (N)	192618	192618	192618	192618	770471	214057	214057	214057	214057	856228
Buckle or not	Buckle	Buckle	Buckle	Buckle	Not buckle	Buckle	Buckle	Buckle	Buckle	Not buckle