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ImprovedtechniquesforreducingnoiseinPortlandCementConcretePavements.docx

Hassan Al-Najar

CEE 483

Due Date: Oct, 10th, 2018

Improved techniques for reducing noise in Portland Cement Concrete Pavements

Abstract:

It is a well-documented fact the most common challenge that engineers face is balancing noise considerations and the lifecycle cost of pavements as well as traditional requirements of adequate surface friction, durability, and quality. The goal of concrete pavements construction in Portland cements factories is to provide smooth, quiet and safety standards while at the same time balancing with the correct level of roughness, friction, and reduced noise. The goal of this paper is to evaluate how to achieve reduced noise in Portland cement concrete pavements without compromising on quality and other safety measures. It will be achieved through studying past researches on the subject through secondary data sources. Besides, techniques that have been created to reduce noise effect will be outlined based on results from experiments that will be undertaken. It will be carried out using longitudinal grinding of both new and existing concrete pavements in Portland cement factories. However, very few studies have been undertaken to find a relationship between concrete pavements in Portland cement and noise pollution. It is attributed partly to the fact that detailed measurements of texture profile were previously difficult to obtain which tends to hinder the development of new concepts and studies in reducing noise pollution in Portland cement concrete pavements. Moreover, evidence suggests that smooth pavements after building tend to remain smooth for long durations as compared to rough concrete pavements. Concrete pavements should also be made adaptable and have the capability to reduce noise pollution through the construction of quitter pavements with a texture that has fundamental characteristics to aid in reducing noise pollution. Thus, while innovative techniques and equipment have shown a significant breakthrough in the construction of quitter concrete pavements, they are rarely built in Portland cement which maintains the traditional concrete textures: drag, longitudinal, diamond and transverse tinning.

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