Abstract
Industrialization and continuous increase in population growth have contributed immensely to various kinds of solid waste generation which most times are indiscriminately dumped. These activities have negative effects resulting in environmental pollution which could be a menace to the environment. Moreover, to preserve the environment, many researchers have made efforts to ensure that some of these wastes are recycled and utilized in the production of various alternative materials as a means of sustainable technology. Among several alternative materials for construction, some of these wastes are considered to be very useful.This study examines the various recycled waste materials that can be adopted for construction, including their prospects and challenges. Some of the recycled waste materials examined are plastic waste, mill tailings, geopolymers, waste glass, rubber tyre waste, shingles, construction and demolition wastes (C&D) and slag. These recycled materials have been accepted globally due to their characteristic properties which made the materials suitable in the construction industry. This review also examines some limitations relating to the adoption of these materials as alternative construction materials for highway/pavement construction. However, it is generally accepted that reuse of waste materials in construction industry has minimal environmental impact and their exploration would have huge economic impact.
Highlights
Provision of social infrastructure such as road, buildings, and bridges are part of development which must be sustained
This study examines the various recycled waste materials that can be adopted for construction, including their prospects and challenges
This review examines some limitations relating to the adoption of these materials as alternative construction materials for highway/pavement construction
Summary
Provision of social infrastructure such as road, buildings, and bridges are part of development which must be sustained. Some of them which are degradable contain substances that are harmful to the environment while majority are not degradable This has become a major concern to all and following the recent trend in exploring potential resource from generated solid waste, some researchers came up with measures to recycle these materials which are largely available and applicable for highway construction. This thought was looked into considering the fact that most roads especially in the developing countries are bad and cost of conventional construction materials is on the high side. These properties make them suitable for adoption in pavement construction and their usage will promote waste reduction, a cleaner environment, cost reduction in construction works and as alternative construction materials
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