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Exam (elaborations)

CE 200 QUIZ 2 QUESTIONS AND ANSWERS 100% CORRECT!

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  • Course
  • CE 200
  • Institution
  • CE 200

Fine Aggregate (Sand) - ANSWER Aggregates that pass Sieve No. 4 Needed for the workability of Porland cement concrete Man-made aggregates - ANSWER Made of: - Recycled concretes - Crushed Masonry - Slag from blast furnaces of steel (used for heavy-weight PCC) - Expanded Shale + Clay (use...

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  • October 22, 2024
  • 5
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • coarse aggregates
  • CE 200
  • CE 200
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Luckyexams
, CE 200 QUIZ 2 QUESTIONS AND
ANSWERS 100% CORRECT!
Aggregate - ANSWER gravel, pebble, crushed stones, recylced porland cement
concrete and recylced asphalt concrete.

Coarse Aggregates - ANSWER Aggregates retained on Sieve No. 4
Used when making slabs, bases, pavement and runways

Fine Aggregate (Sand) - ANSWER Aggregates that pass Sieve No. 4
Needed for the workability of Porland cement concrete

Man-made aggregates - ANSWER Made of:
- Recycled concretes
- Crushed Masonry
- Slag from blast furnaces of steel (used for heavy-weight PCC)
- Expanded Shale + Clay (used for light-weight PCC)
-Polystyrene pieces (used for light-weight PCC)

Natural Aggregates - ANSWER rounded pebbles from river beds

Manufractured Aggregates - ANSWER Made of crushed stones from rock quarries,
mountains and gravel pits. Often crushed to a desirable size.

Properties of aggregates - ANSWER Size, density, unit weight and shape matter a lot

Rounded Aggregates - ANSWER The most expensive, used mainly for decoration and
in proland cement concrete

Angular Aggregates - ANSWER Used in Asphalt concrete, better the stability of the
concrete when under high loads or in high temperatures.

Elongated/ Flaky Aggregates - ANSWER Not desirable. They have high surface to
volume ratio, making it break very easily.

Aggregate Standards - ANSWER -durability
-absorption
-volume stability

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