28.4.2 - Definitions
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
What does the reliability index measure?
💡 Hint: Think about how we assess safety.
What is the formula for the safety margin?
💡 Hint: Identify terms used in capacity and demand.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is a reliability index?
💡 Hint: Remember how we evaluate structure performance.
True or False: If the safety margin Y is less than zero, the structure has sufficient capacity.
💡 Hint: Think about what it implies when Y < 0.
Get performance evaluation
Challenge Problems
Push your limits with advanced challenges
A skyscraper has a capacity of 500 tons and experiences a demand of 550 tons at peak times. Calculate the safety margin and discuss potential actions needed.
💡 Hint: Think about strategies for improving reliability.
If a bridge's reliability index shows a significant risk factor and is rated at zero, what immediate steps should be taken by a structural engineer?
💡 Hint: Consider what actions ensure public safety in this scenario.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.