Design of Steel Structure
compression force in two end posts The pin of a rocker bearing in a bridge is designed for

bearing and shear
bearing, shear and bending
bending and shear
bearing and bending

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Design of Steel Structure
The mechanism method and the statical method give

lower bound on the strength of structure
lower and upper bounds respectively on the strength of structure
upper bound on the strength of structure
upper and lower bounds respectively on the strength of structure

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