QUESTION FOR TUTORIAL EBT 481 PART (2)

PART 2

1. Mistake in construction site is one of the factors that affected the concrete durability. Discuss in detail the statement above.
2. What are the various methods of curing? How different methods of curing affect the strength of concrete?
3. State two major roles of water in concrete. Explain how the suitability of mixing water can be assessed.
4. Explain briefly what is meant by the following characteristics of fresh concrete:
   a. Workability
   b. Segregation
   c. Bleeding
5. Drying and sintering are one of the most important processes in producing traditional ceramic. Explain briefly the drying and firing process in producing the clay brick.
6. A common brick has a bulk density of 1300 kg/m3. If the porosity is 45 percent, calculate the solid density of the material.
7. A lightweight block found to have a solid density of 2400 kg/m3 and a bulk density of 800 kg/m3. Calculate its porosity.
8. The Highland Towers Condominium collapsed on December 1993. In your opinion, what are the roles of JKR regarding on that tragedy.

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