A review of soil improvement with waste and recycled materials and its impact on soil parameters

Articles in Press

Document Type : Original Article

Authors

1 Malayer university

2 M.Sc. Student, Faculty of Civil Engineering and Architecture, Malayer University, Iran

10.22034/road.2022.324228.2019

Abstract

The increasing volume of municipal and industrial waste and construction waste, especially plastics and rubber materials, On the one hand, there are several methods to improve unsuitable soils' physical properties and mechanical behavior today. On the other hand, one of the standard soil improvement methods is the use of soil reinforcement methods, which often have a relatively high cost in providing materials and how to implement it. The increasing of waste materials to the soil due to the environmental benefits and the ease of adding it during the embankment, has a special place due to the increase in the production of rubber and plastics in recent decades. The addition of materials such as Worn rubber crumbs, recycled polypropylene sack fibers, plastic waste strips (polyethylene terephthalate pet), recycled fibers from food packaging, construction waste, industrial waste has been examined in the soil. Therefore, arming the ground with waste materials is particularly important because of its influential role in the economic cycle as one of the critical indicators of macro-level development in developing countries. In this research, several examples of industrial, urban waste, and used wastes that are effective in strengthening and reinforcing the soil have been investigated, in which soil parameters have been evaluated. In the reinforcement and stabilization of soils, recycled materials can be used, the conditions and amount of which must be studied to be used in optimal conditions.

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