Civil Engineering (CE) Exam > Civil Engineering (CE) Questions > Gap grading is onea)in which one or more inte...
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Gap grading is one
- a)in which one or more intermediate fractions are absent
- b)in which the particles fall within a narrow limit of size fractions
- c)which combines different fractions of fine and coarse aggregates
- d)in which all the particles are of uniform size
Correct answer is option 'A'. Can you explain this answer?
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Gap grading is onea)in which one or more intermediate fractions are ab...
gap-grading is defined as a grading in which one or more intermediate-size fractions are absent. The term continuously graded is used to distinguish the contentional grading from gap-grading. On a grading curve, gap-grading is represented by a horizontal line over the range of the size omitted.
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Gap grading is onea)in which one or more intermediate fractions are ab...
Gap grading in Civil Engineering
Definition: Gap grading is a type of aggregate grading in which one or more intermediate fractions are absent.
Explanation:
- Absence of Intermediate Fractions: Gap grading is characterized by the absence of one or more intermediate fractions between the fine and coarse aggregates. This means that the aggregate gradation skips certain size fractions and creates gaps in the particle size distribution curve.
- Narrow Limit of Size Fractions: In contrast to gap grading, uniformly graded aggregates have all the particles of the same size, and well-graded aggregates have particles falling within a narrow limit of size fractions. In gap grading, however, the particle size distribution curve is discontinuous and has gaps between the coarse and fine aggregates.
- Combination of Fine and Coarse Aggregates: Gap grading can be achieved by combining different fractions of fine and coarse aggregates to create the desired gap in the particle size distribution curve. This can be useful in certain concrete applications where a specific type of aggregate gradation is required.
- Uniform Particle Size: Gap grading is not characterized by uniform particle size, as all the particles are not of the same size. Instead, the absence of intermediate fractions creates gaps in the size distribution curve.
Conclusion: Gap grading is a unique type of aggregate grading where one or more intermediate fractions are absent, resulting in gaps in the particle size distribution curve. This can be achieved by combining different fractions of fine and coarse aggregates to create the desired gap.
Definition: Gap grading is a type of aggregate grading in which one or more intermediate fractions are absent.
Explanation:
- Absence of Intermediate Fractions: Gap grading is characterized by the absence of one or more intermediate fractions between the fine and coarse aggregates. This means that the aggregate gradation skips certain size fractions and creates gaps in the particle size distribution curve.
- Narrow Limit of Size Fractions: In contrast to gap grading, uniformly graded aggregates have all the particles of the same size, and well-graded aggregates have particles falling within a narrow limit of size fractions. In gap grading, however, the particle size distribution curve is discontinuous and has gaps between the coarse and fine aggregates.
- Combination of Fine and Coarse Aggregates: Gap grading can be achieved by combining different fractions of fine and coarse aggregates to create the desired gap in the particle size distribution curve. This can be useful in certain concrete applications where a specific type of aggregate gradation is required.
- Uniform Particle Size: Gap grading is not characterized by uniform particle size, as all the particles are not of the same size. Instead, the absence of intermediate fractions creates gaps in the size distribution curve.
Conclusion: Gap grading is a unique type of aggregate grading where one or more intermediate fractions are absent, resulting in gaps in the particle size distribution curve. This can be achieved by combining different fractions of fine and coarse aggregates to create the desired gap.
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Gap grading is onea)in which one or more intermediate fractions are absentb)in which the particles fall within a narrow limit of size fractionsc)which combines different fractions of fine and coarse aggregatesd)in which all the particles are of uniform sizeCorrect answer is option 'A'. Can you explain this answer?
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