题目内容

What should be checked in the serviceability limit state? ( )

A. Strength
B. Stiffness
C. Global stability
D. Local stability

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What are the calculation contents of solid-web beam-columns? ( )

A. Strength checking
B. Global stability checking
C. Local stability checking
D. Stiffness checking

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

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

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