The calculation of the serviceability limit state of the beam refers to ( ).(There is only one correct answer to this question)
A. Calculation of beam bending strength
B. Calculation of beam shear strength
Calculation of beam stability
D. Calculation of beam deflection
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In a project, the bending moment of beam at section 1-1 is M1, and the shear force is V1. If the bending moment at section 2-2 is M2 and the shear force is V2, which of the following statement of strength checking calculation is correct? ( )(There is only one correct answer to this question)
A. The bending and shear strength of 1-1 section and 2-2 section should be checked respectively
B. Only one of the 1-1 and 2-2 sections is needed to calculate the bending and shear strength
C. The maximum bending moment and maximum shear force in 1-1 and 2-2 sections are selected to calculate the comprehensive stress
D. The bending strength, shear strength and comprehensive stress of 1-1 and 2-2 sections are checked respectively
Which of the following categories is classified according to the characteristics of moment action? ( )(There is only one correct answer to this question)
A. Solid web beam and lattice beam
B. Two way bending beam and one way bending beam
C. Simply supported beam and cantilever beam
D. Steel beam and reinforced concrete beam
Among the following options, the "serviceability limit state" of axially loaded members is ( ).(There is only one correct answer to this question)
A. Strength calculation of components
B. Allowable slenderness ratio of components
C. Stability calculation of components
D. Allowable deflection value of components
When the upper chord of a simply supported steel roof truss is subjected to node load, the upper chord can be simplified as ( ).(There is only one correct answer to this question)
Axial tension member
B. Axial compression member
Compression and bending member
D. Flexural member
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