By the concrete being too "green", the author means that the concrete has
A: become cracked.
B: not yet cured.
C: not dried out.
D: not settled in plac
A: become cracked.
B: not yet cured.
C: not dried out.
D: not settled in plac
举一反三
- 12. The effort spent on careful ______ , mixing and compaction of concrete will be largely wasted if the concrete is badly cured (养护).
- Reinforced concrete has steel bars that are placed in the concrete to carry tensile forces.
- "precast concrete" means "预制混凝土".
- A symbol means using concrete objects to represent abstract ideas.
- Which of the following is not the reason why concrete needs reinforcement? A: Reinforcement has good tensile resistance, while concrete has good compressive resistance. B: Reinforcement has good compressive resistance as concrete. C: Engineers prefer ductile failure to brittle failure of the members. D: Reinforcement and concrete can work together to increase the bearing capacity of the members.