Why is Engineering Important to Society? Did you ever consider how much engineering is influencing our society? Or, are you one of those people who doesn’t realize that our daily life is improving with the advancement of engineering? In reality, we can’t live without engineering. Many mistakenly believe that engineers only work in mining and…
Calculate the Quantity of Cement, Sand & Aggregate in M20 Concrete First of all, I want to assure you that it is very easy to determine the quantity of sand, cement, and aggregate in M20, M15, and M10 Concrete. So take a look carefully and will easily be understood. Let’s take some examples, Example: 1…
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What is Concrete? When a binding material (cement or lime), fine aggregate (sand or surkhi), coarse aggregate such as crushed stone, broken bricks, etc. and water are mixed in suitable proportion, they form an easily workable mix, known as plastic or green concrete. When this plastic concrete becomes hard like a stone, this is termed…
Fiber Reinforced Concrete Fiber reinforced concrete is a composite material consist of conventional concrete reinforced with fine fibers. The commonly used fibers are steel fibers, glass fibers, organic polymers fiber etc. Plain concrete is weak in tension and has a low resistance to cracking. This weakness can be removed by the inclusion of fibers in…
What is Polymer Concrete The conventional concrete is porous due to air voids, water voids, or the inherent porosity of the gel structure itself. On account of the porosity, the strength of concrete is naturally reduced. The process like vibration, pressure application, etc. is generally adopted to reduce porosity, But none of these methods could…
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High-Performance Concrete (HPC) The term High-Performance concrete is used for the concrete mixture which possesses workability, high strength, high modulus of elasticity, high density, high dimensional stability, low permeability and resistance to chemical attack. High-performance concrete contains the following ingredients: a) Good quality of aggregates b) Ordinary Portland cement or rapid hardening Portland cement at…
High-Density Concrete The concrete whose density varies from 3360 to 3840 kg/m3 is known as high-density concrete. However, they can be produced with densities up to 5280 kg/m3 using iron both fine and coarse aggregates. The high-density concrete is produced using aggregates having a specific gravity of more than 3.5. The commercially used aggregates are…
