Objective of Vee-Bee test is to determine the workability of freshly mixed concrete using consistometer. Apparatus, procedure, precaution and advantages are discussed.
Concrete Properties
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Normal Concrete vs. High-Strength Concrete Properties and Difference
Concrete as a construction material are grouped as normal concrete or high strength concrete based on its compressive strength. Difference and properties of normal and high strength concrete is discussed.
Fire Resistance of Concrete Materials and Structures
Fire resistance of concrete is well appreciable. Fire resistance of concrete as a material and structures and methods to improve fire resistance are discussed.
Effect of Water Impurities on Concrete Strength, Durability and Other Properties
Presence of impurities in water for concrete mix leads to decrease in structural properties of concrete such as strength and durability to a large extent.
Heat Resistant Concrete or Refractory Concrete -Installation and Applications
Heat resistant concrete or refractory concrete have properties of handling extreme temperatures. Installation and applications of heat resistant refractory concrete is discussed.
Long Term Properties of Geopolymer Concrete with Low Calcium Fly Ash
Geopolymer concrete has been employed in many applications for example earth retaining structures and water containing structures. Properties of geopolymer concrete with low calcium fly ash is discussed.
Factors Affecting Durability of Fiber Reinforced Concrete (FRC)
There are various factors which affects the durability of fiber reinforced concrete such as temperature, weathering, corrosion, freezing and thawing etc. are discussed.
How to Reduce Environmental Impact of Concrete?
Concrete has a substantial environmental impact. Various methods to reduce environmental impact of concrete such as material conservation is discussed. For example, it is estimated that 1.6 billion ton of concrete is produced annually which is responsible for about 7% ...