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3 cards from this section. Quick, good the night before a test.
Define initial setting time in concrete.
Think about when concrete begins to harden.
What is the final setting time?
Consider when the concrete can hold weight.
What marks the initial setting time of concrete?
Think about the point of transition in the material's state.
True or False: A higher temperature always extends the setting time of concrete.
Consider the effect of heat on material processes.
A construction team is using a rapid hardening cement at 35°C. Predict how the initial and final setting times will differ compared to ordinary Portland cement at 20°C.
Consider how temperature and cement type alter time.
Develop a hypothetical schedule for pouring concrete in hot weather, taking into account initial and final setting times. Include key factors from our discussion.
Think about managing environmental factors effectively.
4 more questions in this section. Enroll free to practise them all.
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