9 Questions
How does an increase in water-cement ratio affect the strength of concrete?
It decreases the strength of concrete
What is the impact of higher water-cement ratios on the durability of concrete?
It increases permeability
How does proper compaction affect the strength of concrete?
It increases the density and compressive strength of concrete
What is the role of air-entraining admixture in winter construction?
It enhances freeze-thaw resistance
What is the purpose of including air-entraining admixtures in concrete during winter construction?
To reduce the potential for internal stresses and cracking due to freeze-thaw cycles
What does a higher slump value indicate in the context of concrete workability?
Higher workability of the concrete
Why is Douglas Fir recommended for structural applications in timber framing?
It offers a high strength-to-weight ratio and dimensional stability
What is the importance of aggregates grading in concrete mixture?
To reduce voids between particles and optimize particle packing
What are surface coatings such as epoxies and polymer-modified overlays used for in refurbishment?
To protect surfaces from wear, chemical attacks, and other deteriorating effects
Learn about the impact of water-cement ratio on the strength and durability of concrete. Understand how varying ratios influence the binding properties, overall strength, and permeability of concrete, affecting its performance and longevity.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
