In terms of the flexural stiffness of reinforced concrete beams, which of the following statements is wrong.
A: The bending stiffness of reinforced concrete beam varies in the process of loading
B: The short-term bending stiffness of reinforced concrete beams is derived from the curvature relation of cross-section
C: The short-term average bending stiffness is adopted in the deflection checking calculation
D: The bending stiffness under long-term load is smaller than that under short-term load
A: The bending stiffness of reinforced concrete beam varies in the process of loading
B: The short-term bending stiffness of reinforced concrete beams is derived from the curvature relation of cross-section
C: The short-term average bending stiffness is adopted in the deflection checking calculation
D: The bending stiffness under long-term load is smaller than that under short-term load
举一反三
- Reinforced concrete beams work with cracks under normal load.
- Reinforced concrete beams work with cracks under normal load. A: 正确 B: 错误
- What are beams in reinforced concrete building? A: simply supported-beam B: built-in beam C: edge beam
- 论文标题英译汉: Softened Truss Model for Reinforced Concrete Beams under Torsion Combined with Axial Force
- Compared with plane concrete beams, reinforced concrete beams have much higher cracking resistance(抗裂能力).