The most widespread type of masonry work is the erection of solid brick masonry using individual bricks set in mortar. âLight masonry,â consisting of two parallel face walls each one-half a brick thick and filled with a light concrete, loose slag, or another insulating material, is sometimes used.
A sinkhole, also known as a cenote, sink, sink-hole, shakehole, swallet, swallow hole, or doline (the different terms for sinkholes are often used interchangeably), is a depression or hole in the ground caused by some form of collapse of the surface layer.
They were quickly evacuated before a 15-feet deep and 60-feet wide hole swallowed a part of the building! Sinkholes are a reality of living in Florida, just as hurricanes, sunny weather and warm beaches are. The area between Tampa and Orlando in Florida is known as sinkhole alley. However, with commercial development and builders pumping out water for new projects or agricultural use, the problem is getting worse.