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Abstrak
The production of cement is responsible for around eight percent of the total carbon dioxide emissions that are generated across the globe, according to estimates. In addition, this procedure necessitates the use of a considerable quantity of raw materials, which leads to potentially detrimental effects on the environment. As a result of this, a significant amount of research is being conducted all over the world to study the possibilities of employing different by-products of industrial waste as replacements for cement in the production of concrete. This research is being carried out due to the fact that this is a consequence of the situation. Fly ash (FA), metakaolin (MK), silica fume (SF), and ground granulated blast furnace slag (GGBS) are some examples of possible industrial products that have the ability to function as cement substitutes in pervious concrete. Other examples are silica fume (SF) and fly ash (FA). Garbage has been incorporated into concrete in order to facilitate the disposal of waste items in a way that is not only safe but also economical. Not only does the use of waste materials contribute to the preservation of natural resources and dumping grounds, but it also contributes to the maintenance of a clean atmosphere throughout the whole process. To get the required characteristics of concrete, such as its strength, durability, and workability, it is essential to partly replace waste material in the concrete. This is done in order to achieve the desired features. The purpose of this article is to describe a number of waste elements that are used in the production of concrete, as well as the impact that these waste items have on the various features of concrete.