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4 cards from this section. Quick, good the night before a test.
What is loss of workability?
Think about what happens to concrete if not properly taken care of.
Name a method to prevent cold joints.
Consider time management during concrete operations.
What causes loss of workability in concrete?
Think about the process of concrete setting.
True or False: Cold joints form when new concrete is placed too soon after the initial setting.
What does delayed placement lead to?
How would you design a concrete mixing and placement timetable to prevent cold joints in a large construction project?
Consider how logistics influence concrete quality.
Discuss how varying temperatures might affect the need for retarding admixtures in different climates.
Think about seasonal changes and their impact on concrete handling.
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