（） is induced due to temperature variation along slab thickness.
A: thermal stress
B: primary stress
C: shear stress
D: curling stress
A: thermal stress
B: primary stress
C: shear stress
D: curling stress
举一反三
- When a column is subjected to an eccentric load, the stress induced in the column will be ( ) A: direct stress only B: bending stress only C: shear stress only D: direct and bending stress both
- The cross section of a straight beam remains plane when the beam deforms due to bending. This causes ( ) on one side of the beam and ( ) on the other side. The neutral axis is subjected to ( ) .? normal stress; shear stress; zero stress|tensile stress; compressive stress; zero stress|compressive stress; tensile stress; maximum normal stress|shear stress; normal stress; zero stress
- The cause of cracks in concrete are: stress due to applied （） and stress due to temperature or （） change when concrete is restrained。
- On the top of the concrete pavement, （） is developed during day time. A: tensile stress B: shear stress C: compressive stress D: bulk stress
- Which of the following statements is correct ? (1) There are two types of stress, normal stress(σ) and shear stress(τ). (2) On one section, the normal stress(σ) and the shear stress(τ) must be perpendicular to each other. (3) On one section, all the normal stress(σ) must be equal in size and same in the direction. (4) On one section, all the shear stress(τ) must be parallel.