The influence of ground granulated blast furnace slag (GGBFS) on the characteristics of fresh concrete will let us know more about the working of GGBFS in a broader way. This would develop the most future scope of GGBFS. Some of ...
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Rheology of Concrete – Rheological Parameters of Fresh Concrete
The study of rheology of concrete provides information on properties of fresh concrete such as deformation, behavior of mix, and placement of mixed concrete.
Effects of Fly Ash on Properties of Hardened Concrete
There are various effects of fly ash on properties of hardened concrete such as strength, durability, creep, volume changes of concrete which are discussed.
Workability of Concrete – Types and Effects on Concrete Strength
Workability of Concrete Workability of concrete is the property of freshly mixed concrete which determines the ease and homogeneity with which it can be mixed, placed, consolidated and finished’ as defined by ACI Standard 116R-90 (ACI 1990b). ASTM defines it ...
Selection of Durable Construction Materials for Concrete Structures
Durable concrete construction requires selection of durable construction materials. Selection and properties of these construction materials are discussed.
Behaviour of Concrete in Extreme Fire
The behavior of concrete in extreme fire is dependent on the composition and properties of the concrete structure. The type of aggregates used, the mix design, the moisture condition, and age are the factors that govern the behavior of concrete ...
Effect of Air Entrainment on Concrete Strength
Air entrainment affects compressive strength of concrete and its workability. It increases the workability of concrete without much increase in water-cement ratio. Compressive strength of concrete is inversely proportional to workability of concrete. When workability of concrete increases, its compressive ...
DESIGNED CONCRETE SPECIFICATIONS
Designed concrete are those for which the producer is responsible for selecting the mix proportions to meet the required performance as communicated by the specifier. Therefore it is essential that the specifier, in compiling the specification, takes account of: The ...