A: Fixed end bending moment
B: Distal bending moment
C: The inverse of the unbalanced moment is multiplied by the distribution coefficient
D: Multiplying the bending moment of the fixed end by the distribution coefficient
举一反三
- When calculating the displacement of composite structure: A: Only bending moment is considered B: Only axial force is considered C: Bending moment and shear force are considered D: Bending moment and axial force are considered
- The internal forces in a thin plate under bending deformation include: A: bending moment B: twisting moment C: shear force D: axial force
- (4) The normal stress associated with the bending moment is ( ) MPa
- Use the condition in the first question to calculate the bending moment of each beam___________, __________. A:
- The flexure formula is based on the requirement that the ( ) on the cross section is equal to the ( ) produced by the ( ) distribution about the neutral axis.? resultant moment; moment; linear normal stress|resultant moment; moment; nonlinear normal stress|resultant moment; moment; nonlinear shear stress|resultant normal force; force; linear normal stress
内容
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The bending moment changes abruptly at the point of application of a couple. A: 对 B: 错
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Whether the bending moment diagram of the following structure is correct or not ?[img=274x199]180328ac1ebb50a.jpg[/img]
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Which of the following cases must consider bending shear stress? A: The span of the beam is large（l / h >; 5） B: A large load is applied near the support C: When the bending moment is negative
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If the beam is subjected to a bending moment of M = 15 kN.m, the maximum bending stress inthe beam is ( ). [img=443x401]1803275dfac22cc.jpg[/img] A: 5.88 MPa B: 3.92 MPa C: 1.96 MPa D: 7.84
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Plot bending moment diagram by the priciple of superposition. Point out the maximum value of bending moment.[img=399x142]17de840991be96f.png[/img][img=125x35]17de84099cddd9c.png[/img] 未知类型：{'options': ['', '', '', ''], 'type': 102}