题目内容

The stiffness of the member under combined axial forces and moments is usually measured by ( )?

A. Slenderness ratio
B. Deflection at the mid-span
C. Width-to thickness ratio
D. The length of the member

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In order to ensure full penetration, the welding edges often need to be made into groove. When the thickness of the welding piece is less than , unilateral V or V-shaped groove with ramp can be used.

A. 10 mm
B. 15 mm
C. 20 mm
D. 25 mm

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

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

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