Sustainable Use of By-Products and Wastes from Greece to Produce Innovative Eco-Friendly Pervious Concrete

Abstract

This study was based on the reduction of the extraction of natural resources and, at the same time, was focused on the use of by-products and various wastes in construction applications by following the principles of circular economy. Sterile natural rocks (limestones, basalts), industrial by-products (slags), hotel construction wastes (bathroom wastes) and electronic wastes (e-wastes) were tested for pervious concrete aggregates. For this reason, ten concrete specimens were prepared and tested petrographically, structurally, and physically. The physical properties of the tested raw materials directly depended on their petrographic characteristics and played crucial role for the permeability of the produced concrete specimens, for their mechanical behavior, and for the freeze–thaw test results. Generally, from this study, strong encouraging results were achieved as concrete made by variable wastes and by-products can be compatible for concrete production as they show similar performance both in the mechanical strength test and in the freeze–thaw test with those made by natural aggregates. Another goal of this study was to recommend to other researchers the extended use of by-products, construction wastes, and e-wastes as concrete aggregates for producing eco-friendly constructions.

Impacts from Waste Oyster Shell on the Durability and Biological Attachment of Recycled Aggregate Porous Concrete for Artificial Reef

“…Porous concrete presents porous structure, which may affect strength and durability [ 21 , 22 , 23 ]. Some studies have proved the multiple environmental benefits [ 24 , 25 ], including increasing planting properties [ 26 ], reducing water and soil pollution [ 27 ].…”

Petrographic and Geotechnical Features of Dir Volcanics as Dimension Stone, Upper Dir, North Pakistan

“…Specific Gravity, Water Absorption, and Porosity Table 3 presents the average physical properties of the rock samples analyzed in this study. The specific gravity of the samples ranged from 2.76 to 2.92 g/cm 3 , falling within the high to very high range according to [32]. Andesites had an average water absorption ranging from 0.10 to 0.28%, while agglomerates had an average water absorption ranging from 0.10 to 0.11%.…”

“…Dimension stones, such as granite, marble, limestone, and sandstone, have been used in construction since the foundation of human history [1][2][3]. However, with the production and development of modern cement and bricks, their use in megastructures has decreased.…”