A footing, patio, or concrete slab must all have gravel underneath them. Because it can be crushed, gravel gives your concrete a sturdy foundation. Additionally, it enhances drainage, avoiding water accumulation beneath the concrete.
5 feet must separate any two people in order for them to be able to stroll side by side. In line with concrete sidewalk construction, the minimum width for a walkway is 8.0 feet in some places, such as in close proximity to schools, sports facilities, some parks, and numerous retail centers.
Despite the frequent confusion between the words cement and concrete, cement is a component of the latter. Aggregates and paste are combined to make concrete. Sand, gravel, or crushed stone make up the aggregates, while water and portland cement make up the paste.