In order to improve the bending rigidity of the beam, it can be realized by ().
A: Choose high-quality materials
B: Reasonably arrange the beam support to reduce the span length of the beam
C: Reduce the load acting on the beam
D: Choose a reasonable cross-sectional shape
A: Choose high-quality materials
B: Reasonably arrange the beam support to reduce the span length of the beam
C: Reduce the load acting on the beam
D: Choose a reasonable cross-sectional shape
举一反三
- 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
- 声程beam path；path length
- 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
- If the beam is subjected to a bending moment of M = 16 kN.m, the maximum bending stress inthe beam is ( ). [img=758x530]17de83378488e00.jpg[/img] A: 48.6 MPa B: 74.5 MPa C: 59.6 MPa D: 85.4 MPa
- 声束有效截面 effective cross—section of beam