29.7 - Problems
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Practice Questions
Test your understanding with targeted questions
What is the purpose of a dowel bar in rigid pavement?
💡 Hint: Think about the role of the dowel as a connector of weight.
Define thermal expansion in concrete.
💡 Hint: What happens to materials when they get warmer?
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What type of joint accommodates thermal expansion in concrete?
💡 Hint: Think about which joint type deals with heat.
True or False: Tie bars are used to transfer loads between two concrete slabs.
💡 Hint: Consider the role tie bars play versus dowel bars.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Design an expansion joint for a concrete pavement 25 cm thick for an area experiencing temperature variations of 25°C throughout the year. Determine the joint width needed.
💡 Hint: Consider the thermal coefficient for concrete and use the temperature change.
Given the wheel loads acting on multiple lanes of pavement, analyze the point of maximum stress for both edge and corner conditions. Elucidate steps taken.
💡 Hint: Refer to appropriate equations based on load types and positions.
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