Practice Demoulding And Finishing (3.5) - Overview of Precast Concrete Construction

Practice: Demoulding and Finishing

Lesson 3.5Overview of Precast Concrete Construction

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9 questions

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3 cards from this section. Quick, good the night before a test.
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6 sample questions

Question 1.
What is the main reason for timing the demoulding process?
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Think about the consequences of removing an element too early.
Question 2.
List two types of finishes used for precast concrete surfaces.
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Recall the different surface appearances we discussed.
3Question 3.
Why is it important to wait before demoulding concrete?
- To achieve aesthetic value
- To ensure it has adequate strength
- To reduce costs
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Think about what could happen if it isn't strong enough.
4Question 4.
True or False: A textured finish may improve grip for walking surfaces.
- True
- False
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Recall the functions of different finishes.
Question 5.
Evaluate the pros and cons of using acid-etched finishes versus painted finishes for urban infrastructure elements. Which would you prefer and why?
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Consider longevity and maintenance when weighing the two options.
Question 6.
Design a testing plan for determining the optimal demoulding time for a particular variety of concrete used in precast elements. What parameters would you measure?
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Think about how you assess whether concrete is ready to demould.

5 more questions in this section. Enroll free to practise them all.