Questions with Complete Solutions
What is the primary advantage of using concrete bricks in construction?
✔✔The primary advantage of using concrete bricks is their durability and strength, making them
suitable for load-bearing walls.
How does the water-cement ratio affect concrete?
✔✔The water-cement ratio directly impacts the strength and workability of concrete; a lower
ratio generally leads to stronger concrete.
What is the role of aggregates in concrete?
✔✔Aggregates provide bulk and strength to concrete, influencing its overall performance and
durability.
What is the difference between fired clay bricks and concrete bricks?
✔✔Fired clay bricks are made from clay that is heated in a kiln, while concrete bricks are made
from a mixture of cement, water, and aggregates.
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, What is the importance of curing in concrete masonry?
✔✔Curing is crucial for maintaining moisture and temperature in freshly poured concrete,
allowing it to gain strength properly.
What are common types of mortar used in masonry?
✔✔Common types of mortar include Type M, Type S, Type N, and Type O, each varying in
strength and application.
How is the compressive strength of concrete typically measured?
✔✔The compressive strength of concrete is measured by crushing cylindrical samples in a
testing machine.
What is the purpose of control joints in concrete masonry?
✔✔Control joints are used to manage cracking by allowing for movement in concrete due to
temperature changes and settling.
What does the term "mix design" refer to in concrete production?
✔✔Mix design refers to the process of determining the right proportions of cement, water,
aggregates, and admixtures for desired concrete properties.
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