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- 1. Multiple Choice
What is the type of composite column shown here?
Partially concrete encased steel section
Fully concrete encased steel section
Tubular steel column
Square concrete filled steel tube
- 2. Multiple Choice
What is the type of composite column shown here?
Square infilled concrete
Fully concrete-encased steel section
Partially concrete-encased steel section
Steel tubular column
- 3. Multiple Choice
What is the type of composite column shown here?
Composite column with inner core
Partially concrete encased steel section
Fully concrete encased steel section
Concrete-filled steel tube with reinforcement
- 4. Open Ended
Compare the advantages of fully concrete encased and partially concrete encased sections.
- 5. Open Ended
Compare the disadvantages of fully concrete encased and partially concrete encased sections.
- 6. Open Ended
What are the advantages of concrete-filled circular steel tube compared to fully encased steel section?
- 7. Multiple Choice
Lateral expansion that occurs in concrete under axial compression will cause circumferential tension in the steel tube and triaxial compression in the concrete. This reduces the crushing strength of the concrete.
True
False
- 8. Multiple Choice
The confinement effect is not significant in concrete-filled rectangular tubes because less circumferential tension can be developed in the steel tube.
True
False
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