Practice Tunnel And Subway Inspection (9.7.3) - Airborne and Terrestrial Laser Scanning

Practice: Tunnel and Subway Inspection

Lesson 9.7.3Airborne and Terrestrial Laser Scanning

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9 questions

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4 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is laser scanning used for in tunnels?
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Think about what makes tunnels unique in terms of access.
Question 2.
Name one benefit of using laser scanning for subway inspections.
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Consider what tools are typically unavailable underground.
3Question 3.
What is one advantage of using laser scanning for tunnel inspections?
- It works with GPS in tunnels.
- It allows for high-resolution images.
- It replaces the need for engineers.
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Focus on what laser scanning can visually accomplish.
4Question 4.
True or False: Laser scanning can only detect surface deformations.
- True
- False
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What does laser scanning do beyond detecting deformations?
Question 5.
Design a laser scanning protocol for a new subway construction that incorporates regular inspections. What factors would need to be considered?
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Think about safety and maintenance needs over time.
Question 6.
Evaluate the effectiveness of laser scanning compared to traditional inspection methods for tunnel safety. What are the pros and cons?
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Consider what strengths each method brings to inspection strategies.

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