What is the term used to describe the phenomenon where water in fresh concrete moves upward to the surface during placement and compaction?

Design of Concrete Structures MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

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Subject
Design of Concrete Structurescivil-engineering-mcqs › design-of-concrete-structures
Published
12 Jan 2019
Last updated
28 May 2026

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Choose the correct answer

Explanation

The correct answer is bleeding, which refers to the process where water in freshly mixed concrete rises to the surface during placing and compaction. This is different from segregation (uneven distribution of aggregates), bulking (increase in volume of moist sand), and creep (long-term deformation under load).

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