题目内容

What methods are included to improve the local buckling bearing capacity of the web of a beam-column? ( )

A. Increasing web thickness
B. Setting stiffeners
C. Using post-buckling strength of the web
D. Increasing web height

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What kind of global buckling may occur in the moment plane for the unidirectional flexural solid-web beam-columns? ( )

A. Bending buckling
B. Torsional buckling
C. Lateral-torsional buckling
Distortional buckling

For battened beam-columns, the global stability of the column limb can be calculated according to ( ).

Axial compression member
Beam
C. Tension member
D. Beam-column

What kind of global buckling may occur outside the moment plane for the unidirectional flexural solid-web beam-columns? ( )

A. Bending buckling
B. Torsional buckling
C. Lateral-torsional buckling
Distortional buckling

When Q345 steel is used for welding components, the type of electrode used shall be .

A. E43
B. E50
C. E55
D. E60