Search results
Results from the WOW.Com Content Network
In masonry, it refers to shaping a stone to a rough square by use of an axe or hammer. [1] In Kent, rag-stone masons call this "knobbling". [1] It was similarly used to shape grindstones. In modern construction, scabbling is a mechanical process of removing a thin layer of concrete from a structure, typically achieved by compressed air powered ...
A keystone (or capstone) is the wedge-shaped stone at the apex of a masonry arch or typically round-shaped one at the apex of a vault. In both cases it is the final piece placed during construction and locks all the stones into position, allowing the arch or vault to bear weight.
Galleting is mainly used in stone masonry buildings constructed out of sandstone or flint. The technique varies depending on which of these materials is used. In sandstone buildings, the spalls are often a different type of sandstone than the one used in the wall, though sometimes they are pieces of the same stone.
The issuance of a drawing from the engineering/design activity to the production activity. In other words, the event when a draft becomes a completed, official document. A stamp on the drawing saying "ISSUED" documents that RTP has occurred. RTV: room-temperature vulcanizing; return to vendor: 1. RTV sealants, a way to seal joints. 2.
Ashlar – is finely dressed (cut, worked) stone, either an individual stone that has been worked until squared or the structure built of it. Ashlar is the finest stone masonry unit, generally cuboid, mentioned by Vitruvius as opus isodomum, or less frequently trapezoidal. Precisely cut "on all faces adjacent to those of other stones", ashlar ...
Rubble masonry or rubble stone is rough, uneven building stone not laid in regular courses. [ 1 ] [ 2 ] It may fill the core of a wall which is faced with unit masonry such as brick or ashlar . Some medieval cathedral walls have outer shells of ashlar with an inner backfill of mortarless rubble and dirt.
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
Basic principle of the corbeled arch design ("false arch"). For the sake of comparison, a semicircular arch with wedge-shaped voussoirs maintained by a central keystone (" true arch"). A corbel arch (or corbeled / corbelled arch ) is an arch -like construction method that uses the architectural technique of corbeling to span a space or void in ...