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Performance Measures and Life Cycle Cost Analysis (LCCA)

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Performance Measures and Life Cycle Cost Analysis (LCCA)

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Questions and Answers

What technology is used in Non-Destructive Testing for detecting cracks and defects?

Ground-penetrating radar (correct)

Underwater sonar

Thermal cameras

Satellite imaging

Which of the following is a requirement for performance condition indices?

Subjectivity

Complexity

Vagueness

Completeness (correct)

What is a limitation of performance condition indices?

Ease of aggregation

Integrating subjective ratings

Difficulty in including technology (correct)

Comprehensive coverage

In a Markov chain, the future state of the system depends on the past through which variable?

$X_n$ Signup and view all the answers

What does the Building Condition Index (BCI) measure?

Deferred maintenance in relation to replacement value Signup and view all the answers

Which type of process involves a sequence of random variables in a 'state space'?

Markov process Signup and view all the answers

What are the needs of performance measures as discussed in the text?

To signal suppliers and users Signup and view all the answers

What is a limitation in assembling performance information according to the text?

Consistency in data collection methods Signup and view all the answers

What are some approaches to performance condition assessment mentioned in the text?

Condition Indices Signup and view all the answers

Which of the following is an example of a condition assessment measure discussed in the text?

Total length of cracks per lane mile for pavement Signup and view all the answers

What is a characteristic of subjective ratings as explained in the text?

Use a predefined, arbitrary scale Signup and view all the answers

How is Present Serviceability Rating (PSR) used in subjective ratings?

To categorize present conditions based on a scale Signup and view all the answers

What does the text suggest about the need for empirical studies?

Empirical studies are essential for deriving key parameters in performance condition assessment. Signup and view all the answers

Based on the information provided, what can be inferred about bridge transitions over time?

Without rehab or repair, bridges can only deteriorate over time. Signup and view all the answers

What is the primary focus of Reliability-Based Management according to Frangopol (2001)?

Maximizing reliability while minimizing costs Signup and view all the answers

What led to the emphasis on the 4R's in relation to bridge management systems?

Bridge failure incidents Signup and view all the answers

Which approach is highlighted as a response to scarce funds in bridge management?

'Condition-based' assessments Signup and view all the answers

What plays a significant role in estimating actual transitions in bridges?

Probabilistic models like P = [0.71, 0.95, 0.96, 0.96, 0.97, 0.97, 0.97, 0.93, 0.86, 1] Signup and view all the answers