noise pollution in construction sites

noise pollution is one of the most severe problems that may damage human life. noise pollution affects both human health and activities, especially for people who may more involve in activities like constructing. in developing countries like iran, we need some scientific methods to comfort this issue. by have a good understanding of the human ear structure, noise function, conventional techniques in noise controlling, and valid standards in the world we may handle this matter. this study was carried out based on some literature reviews and standards regulations.