Abstract: Soakaway disposal wells are used heavily in Sudan for on-site sanitation systems. These wells have a diameter of 1.5–2.0 m, a depth ranging from 10 to 35 m, and postinstalled brick walls. They often are ...

Abstract: Production of self-healing concrete involves the immobilization of a bacterium and calcium-based bacterial nutrient on a carrier material before being added to the concrete mixture. The objective of this paper was to test ...