22.3.2 - Abrasion test
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Practice Questions
Test your understanding with targeted questions
What is the main purpose of the Los Angeles abrasion test?
💡 Hint: Think about the importance of materials' resistance to friction.
What does a lower Los Angeles abrasion value indicate?
💡 Hint: Consider how this affects road durability.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What did the abrasion test measure?
💡 Hint: Think about the impacts of wear on aggregates in road construction.
True or False: A Los Angeles abrasion value over 40% is acceptable for a water-bound macadam base course.
💡 Hint: Consider the quality thresholds for construction materials.
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Challenge Problems
Push your limits with advanced challenges
Given an aggregate sample subjected to the Los Angeles abrasion test that results in a 38% loss in weight, discuss its suitability for use in a bituminous concrete project with supportive reasoning.
💡 Hint: Review the permissible limits for different pavement types.
You have two aggregate samples, one with a 30% and another with a 50% Los Angeles abrasion value. Discuss which sample is preferable for construction and why.
💡 Hint: Think about how abrasion values guide material selection.
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