Properties of aggregates- Physical properties, Chemical properties

Properties of aggregates

Aggregate meaning In the field of construction, the term “Aggregates” simply represent materials like sand, crushed stones, broken bricks, gravel, chips, etc. which are used in the manufacture of traditional cement concrete, asphalt concrete, or various other composite building materials. Technically they are also called construction aggregates. These aggregates, simply are a collection of discrete …

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Effect of water cement ratio and Aggregate Size on Strength of Concrete

Effect-of-Porosity-W_C-ration-and-Aggregate-Size-on-Strength-of-Concrete

Effect of porosity It is a primary factor that governs the strength of concrete. Strength of concrete decreases with the increase in porosity. Permeability of concrete increase with increase in porosity of concrete. Different  factors such as water to cementitious  materials ratio, degree of hydration, air content, consolidation, mineral admixtures, aggregate, reaction between aggregate and …

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Transition phase of concrete- Effect of the transition phase of Concrete

Transition phase

Concrete is considered to be two-phase material 1.Paste phase 2.Aggregate phase At the microscope level, the complexities of the concrete begin to slow up, particularly in the vicinity of large aggregate particles. This area is considered as a third phase called the transit zone, which represents the interfacial region zone between the particles of coarse …

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Difference between pile foundation and pier foundation- Condition of Use

Difference between pile foundation and pier foundation

Pile foundation Pile foundation is one of the deep foundations in which the long elongated slender structural components made up of reinforced concrete or steel or timbers are embedded or cast deep into the soil strata to transfer a load of superstructure gradually and safely to the surrounding soil layer. Pile generally transfers the load …

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Compaction factor formula of Concrete- Procedure for Test with Calculation

Compaction factor test

The strength of the concrete doesn’t only depend upon the grade of concrete i.e. actual mix ratio of the components but also the application of fresh concrete, its workability, procedures of preparation, and its compaction during its fresh form. The compaction moreover depends upon the workability and amount of external work done to it during …

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