12 Questions
What factor affects the strength of concrete by altering its compaction?
Grading of aggregates
What test is used to measure the density ratio of concrete?
Compacting Factor Test
Which test is used to determine variations in the uniformity of a concrete mix?
Slump Test
What does segregation refer to in the context of concrete?
Separation of constituents in a mixture
Which factor increases workability but decreases strength in concrete mixes?
Water Content
What does the Kelly Ball Test measure in concrete?
Depth of penetration
What is the purpose of compaction in concrete?
To eliminate entrapped air in concrete
Which type of concrete is specifically designed to be pumpable?
Pumped concrete
What does bleeding refer to in the context of concrete?
Separation of water from the mix and rise to the surface
Which method is commonly used for underwater concreting?
Tremie method
What does laitance refer to in concrete construction?
A layer of weak material on the surface of concrete mixes
What does hardened concrete consist of primarily?
Cement, water, and coarse aggregate
Test your knowledge on the workability of fresh concrete, including factors that affect it such as water content and maximum aggregate size. Explore how workability impacts concrete strength and the importance of proper compaction.
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