Technical Questions

Question: Air tests for non-air-entrained concrete

Question: What is mass concrete?

Question: Knowledge of concrete properties

Question: Requirements for durable concrete

Question: Evaluating the properties of hardened concrete

Question: Resistance to cycles of freezing and thawing

Question: Factors affecting permeability

Question: The relationship between porosity and permeability of concrete

Question: Other important properties of concrete

Question: The effect of joints on the durability of concrete structures

Question: The importance of proper drainage

Question: What are shrinkage-compensating expansive cement and concrete?

Question: Can you use any source of water as mixing water?

Question: The effect of aggregate on concrete durability

Question: How can durable aggregates be ensured?

Question: Specialty admixtures

Question: Would adding more cement serve the purpose of admixtures?

Question: The effect of water-reducing admixtures on drying shrinkage

Question: Commonly used accelerating admixture

Question: Protecting concrete from cycles of freezing and thawing

Question: Precautions against sulfate attack

Question: Precautions to resist acid attack

Question: Improving the abrasion resistance of concrete

Question: Protecting against excessive expansion due to alkali-aggregate reaction (AAR)

Question: The effect of water-cementitious ratio on permeability and shrinkage

Question: What steps are taken in the repair of concrete structures?

Question: Do we always need to repair cracked concrete?

Question: How is the resistance to sulfate determined?

Question: How is the resistance to alkali-aggregate reaction (AAR) determined?

Question: How is the abrasion resistance of concrete determined?

Question: How is the shrinkage of concrete determined?

Question: Could a sulfate-resisting cement and slag cement be combined and used for concrete exposed to su...

Question: Popouts or popoffs?

Question: What is D-cracking?

Question: Joint deterioration mechanism and prevention

Question: Epoxy-coated reinforcement and cover depth against ground

Question: Chloride concentration in soil and exposure classes

Question: Acceptable concrete cracking

Question: Maximum temperature limits for hot-weather concreting

Question: Heat of hydration and the importance of controlling it

Question: Benefits of using slag cement

Question: What are blended cements?

Question: Why is combined aggregate grading used?

Question: How is the selection of mixture proportions affected by the materials to be used and the placing...

Question: Consolidation of concrete—required or not?

Question: Is chiseled concrete a common technique for facades

Question: What is the difference between corrected and uncorrected weight in a concrete mix design?

Question: When should saw cuts be made on a concrete slab?

Question: What is fiber-reinforced concrete?

Question: Why use fiber-reinforced concrete?

Question: Where is fiber-reinforced concrete mostly used in practice?

Question: Are all fibers used in concrete the same?

Question: What are the primary benefits of using fiber-reinforced concrete compared to traditionally reinf...

Question: Are there any challenges or common issues encountered during the testing of fiber-reinforced con...

Question: Does incorporating fiber as an alternative to traditional reinforcement enhance the environmenta...