9.5.1 - Bridges and Railways
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Practice Questions
Test your understanding with targeted questions
What does thermal expansion refer to?
💡 Hint: Think about how materials react to heat.
Give an example of a structure that uses expansion joints.
💡 Hint: What structures experience temperature changes regularly?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is thermal expansion?
💡 Hint: Remember the common materials that expand when heated.
Expansion joints are used in which structures?
💡 Hint: Think about structures that experience temperature fluctuation.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
A 50 m long railway steel beam is exposed to a temperature rise of 20°C. Calculate the new length if its coefficient of linear expansion is 11 × 10⁻⁶ °C⁻¹.
💡 Hint: Remember to apply the linear expansion formula correctly.
Discuss the consequences of thermal expansion on bridges and how engineers mitigate these effects.
💡 Hint: Think about the engineering strategies related to temperature changes.
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