26.2 - Specimen preparation
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 temperature are aggregates heated to?
💡 Hint: Look for the range given in the text.
How many blows are given during compaction?
💡 Hint: Think about the compaction step in the preparation.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What temperature range is used to heat aggregates?
💡 Hint: Look for the temperature mentioned in the preparation process.
True or False: The bitumen should be mixed with aggregates at temperatures above 160°C.
💡 Hint: Consider the mixing section in the text.
1 more question available
Challenge Problems
Push your limits with advanced challenges
If a batch of aggregates is heated to 200°C instead of 190°C, discuss what impact this could have on the mixture’s properties.
💡 Hint: Consider how extreme temperatures affect material properties.
Discuss why maintaining a compact thickness of 63.5 mm is critical in the Marshall testing phase.
💡 Hint: Think about the experimental consistency needed.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.