Articles

RMC or popularly known as Ready Mix concrete is generally composed of 10-12% cement ,60-65% aggregate and 20-25%water.The cement further consists of limestone sand, clay particles and shale. The aggregate generally consists of sand, stone chips, gravel and rock particles. Due to its composition and use of varied components, RMC is widely used for the purpose of construction in recent days.RMC is used in the construction of huge commercial buildings and infrastructure such as highway, pavements, roads, bridges, driveways etc.

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Vastushastram is a foundational aspect that we need to be concentrating upon & consider fanatically for our well-being. It commences right from understanding the directional forces around us & learning which is exhibiting more positive energy. Directional analysis in olden days was done by observing the shadows during sunlight. But in modern era, with advancement in technology we have the magnetic compasses to be used with ease. One needs to ensure that the energy generated from directions when measured using the tools, should be positive.

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Everyone knows that good concrete curing is important. But what if it isn't cured as well as it should be? Figure 1 shows an image taken using a scanning electron microscope of a polished section of a piece of a core taken from a UK road bridge constructed in the 1970s. The top of the concrete in the image is the original surface of the concrete. The black regions in the image are epoxy resin used to prepare the polished section; the small black regions within the concrete are pores that were filled with epoxy resin during specimen preparation.

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