Podcast
Questions and Answers
What is the primary function of cement in concrete?
What is the primary function of cement in concrete?
- Increase permeability
- Bind the aggregates (correct)
- Provide workability
- Act as a filler material
What property of cement is the standard consistency test primarily performed to determine?
What property of cement is the standard consistency test primarily performed to determine?
- Soundness
- Required water content (correct)
- Strength development
- Setting time
What is the minimum initial setting time for Ordinary Portland Cement?
What is the minimum initial setting time for Ordinary Portland Cement?
- 60 minutes
- 10 minutes
- 90 minutes
- 30 minutes (correct)
What aspect of concrete is primarily affected by the water-cement ratio?
What aspect of concrete is primarily affected by the water-cement ratio?
What phenomenon does creep in concrete refer to?
What phenomenon does creep in concrete refer to?
Which admixture improves concrete workability without increasing the water content?
Which admixture improves concrete workability without increasing the water content?
Which type of concrete is most suitable for structures in extremely cold weather conditions?
Which type of concrete is most suitable for structures in extremely cold weather conditions?
Which test is considered non-destructive when evaluating concrete?
Which test is considered non-destructive when evaluating concrete?
What is the most prevalent cause of concrete deterioration in marine environments?
What is the most prevalent cause of concrete deterioration in marine environments?
What is the main function of reinforcement in reinforced concrete structures?
What is the main function of reinforcement in reinforced concrete structures?
Flashcards
Primary function of cement in concrete?
Primary function of cement in concrete?
To bind the aggregates together.
Standard consistency test of cement?
Standard consistency test of cement?
Determines the water content required for cement paste to achieve a certain consistency.
Initial setting time of Ordinary Portland Cement?
Initial setting time of Ordinary Portland Cement?
Should not be less than 30 minutes.
Water-cement ratio affects?
Water-cement ratio affects?
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Creep in concrete?
Creep in concrete?
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Superplasticizers are used to:
Superplasticizers are used to:
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Concrete suited for extreme cold weather?
Concrete suited for extreme cold weather?
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Non-destructive test?
Non-destructive test?
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Common cause of concrete deterioration in marine structures?
Common cause of concrete deterioration in marine structures?
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Primary role of reinforcement in reinforced concrete?
Primary role of reinforcement in reinforced concrete?
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Study Notes
- The primary function of cement in concrete is to bind the aggregates.
- The standard consistency test of cement determines the required water content.
- The initial setting time of Ordinary Portland Cement should not be less than 30 minutes.
- The water-cement ratio primarily affects workability.
- Creep in concrete is time-dependent deformation under sustained load.
- Superplasticizers is used to improve workability without increasing water content.
- Air-entrained concrete is best suited for extreme cold weather conditions.
- Soundness test is non-destructive.
- Chloride-induced corrosion is the most common cause of concrete deterioration in marine structures.
- The primary role of reinforcement in reinforced concrete is to resist tensile forces.
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