| 1. |
What is the primary material requirement for the bridge superstructure according to the design criteria? |
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Concrete |
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Structural steel |
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Fracture critical members |
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Non-redundant materials |
| 2. |
What is the purpose of an independent peer review for a Category 2 bridge according to FDOT in Florida? |
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To verify the original work of the EOR |
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To check the EOR’s plans and calculations |
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Both of the above |
| 3. |
What type of element is used to model the steel post-tensioning tendons in a numerical simulation of a post-tensioned member? |
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A uniaxial compression-only element |
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A uniaxial tension-compression element |
| 4. |
How is the real bonding condition between the concrete and steel post-tensioning tendons simulated in the numerical simulation?
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By using an un-bonded formulation |
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By using a triaxial formulation |
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By using a bonded formulation |
| 5. |
Industry considers redundancy a critical factor in structural design.
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True |
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False |
| 6. |
Which of the following best describes the main span structure of the bridge? |
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Redundant |
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Determinate and redundant |
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Determinate and non-redundant |
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Indeterminate and non-redundant |
| 7. |
What was the recommendation made by TY Lin in the design criteria for the FIU bridge structure? |
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Use of non-redundant, fracture critical members |
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Concrete superstructure |
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Steel superstructure with concrete walking surface |
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Avoidance of non-redundant structures |
| 8. |
What was the cause of the cracks on the bridge during construction stage III? |
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Poor maintenance |
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Insufficient materials |
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Deficient structural design |
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Incorrect construction techniques |
| 9. |
Figure below shows the construction joint detail at deck.
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True |
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False |
| 10. |
The dotted lines in this figure belowdepicts what?
 |
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Truss of the bridge |
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Potential line of crack |
| 11. |
What did the EOR acknowledge during the meeting with project participants about the cracks in the bridge? |
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The cracks were not a safety concern |
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The EOR had a solution to the cracks |
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The cracks were not growing in size |
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The EOR did not know why the cracks were occurring |
| 12. |
Why was SW 8th Street closed immediately after the cracks on the bridge were found? |
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Due to safety concerns |
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To reduce the traffic |
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For maintenance work |
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To increase the bridge’s longevity |
| 13. |
What was the role of BPA in the construction project of the bridge? |
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To provide construction materials |
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To design the bridge |
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To oversee construction and inspect the bridge |
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To maintain the bridge |
| 14. |
Why did MCM defer to the decision of EOR in regards to the cracks in the bridge? |
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MCM lacked knowledge of the magnitude of the cracks. |
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MCM did not have any experience in concrete structures |
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MCM was not informed of the growing size of the cracks |
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MCM trusted the EOR’s judgement |
| 15. |
Was the design-build contractor, MCM, aware that the cracks were growing in size before the collapse of the bridge? |
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True |
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False |
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