Expert method that involves raising roofs using porous materials, offering a multifaceted solution for reducing overall roof ...

As pervious concrete has evolved in the concrete industry so has its mix design. There has been a tendency to create pervious mix designs using round pea gravel that is 3/8 inch or larger, says ...

Ancient Roman concrete could self-heal thanks to “hot mixing” with quicklime Mysterious lime clasts, dismissed as defects, turn out to serve a useful purpose.

Holes in porous pavement can get clogged with debris. Worcester uses porous pavement on some parking lots at parks. Porous pavement is 10% to 20% more expensive than traditional asphalt.

Concrete is made by mixing cement with aggregate, a grainy blend of materials like stone and sand. Firing limestone, clay, ... Porous concrete (also porous pavement) ...

A 2017 study tested the durability of pervious concrete using crushed seashells, while a 2020 conference paper experimented with crushed coconut shells in building materials, and a 2021 analysis ...

More information: Christopher A. Browne et al, Harnessing elastic instabilities for enhanced mixing and reaction kinetics in ...

This solution mix design, patented by Holcim, combines porous and standard concrete to enable rapid colonization by marine animals and plants. This concrete reef is an effective system to restore ...

Mixing coffee biochar into concrete can strengthen the building material by as much as 30 percent. ... its porous qualities allows the cement to actually better bind to the organic material.

So far, although the shells added to the concrete mix allow for improved porosity and compressive strength, ... A 2017 study tested the durability of pervious concrete using crushed seashells, ...