Rubble is used to refer to the small pieces of bricks and stones that are used as a bottom layer on which to build roads, paths, or houses. Brick rubble is useful as the base for paths and patios. broken stones or bricks from a building or wall that has been destroyed (Perhaps from , from robe; ROBE)
When a building is destroyed, the pieces of brick, stone, or other materials that remain are referred to as rubble. Thousands of bodies are still buried under the rubble
Pieces of broken stone, irregular in shape and size, used in the rough construction of walls, foundations, and paving Coursed Rubble Masonry composed of roughly shaped stones fitting on approximately level beds, well bounded, and brought at vertical intervals to continuous level beds or courses Random Rubble Masonry composed of roughly shaped stones, well bonded and brought at irregular vertical intervals to discontinuous but approximately level beds or courses Rough or Ordinary Rubble Masonry composed of non-shaped field stones laid without regularity of coursing, but well bonded
irregularly shaped pieces of stone in the undressed condition obtained from a quarry and varying in size