12. The effort spent on careful ______ , mixing and compaction of concrete will be largely wasted if the concrete is badly cured (养护).
grading
举一反三
- On this trip, Frank made a coordinated effort to get along with the press. A: sedate B: concerted C: concrete D: seclusive
- Which of the following is the mostly used type of concrete pavement? A: Jointed plain concrete pavement (JPCP) B: Jointed reinforced concrete pavement (JRCP) C: Continuously reinforced concrete pavement (CRCP) D: Prestressed Concrete Pavements (PCP)
- The specific meaning of the terms "reinforced concrete and prestressed concrete" are ______ .
- concrete
- Reinforced concrete has steel bars that are placed in the concrete to carry tensile forces.
内容
- 0
The common failure characteristic for the large and small eccentrically compressed reinforced concrete members is that the concrete in compression zone reaches the concrete ultimate compressive strain at the failure.
- 1
The property that describes effort required to manipulate fresh concrete mixture with minimum segregation. A: Bleeding B: Consolidation C: Workability D: Setting time
- 2
precast concrete
- 3
concrete structure
- 4
The common failure characteristic for the large and small eccentrically compressed reinforced concrete members is that the concrete in compression zone reaches the concrete ultimate compressive strain at the failure. A: 正确 B: 错误