18.4 - Trial Batching at Site
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Practice Questions
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What is trial batching?
💡 Hint: Think about how we confirm if our concrete works before large production.
Name one test done during trial batching.
💡 Hint: It measures the workability of concrete.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary purpose of trial batching?
💡 Hint: Think about the process used before concrete goes into production.
True or False: A slump test is not necessary for trial batching.
💡 Hint: Remember what is assessed for placement and compaction.
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Challenge Problems
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You have conducted a trial batch that resulted in a slump of 20 mm, but the target was 50 mm. Outline the steps you would take to adjust the mix.
💡 Hint: Think about what directly affects workability.
After trial batching, your compressive strength results show only 18 MPa compared to a target of 25 MPa. Discuss potential implications for the project.
💡 Hint: Identify factors affecting strength and the impacts on project execution.
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