Architectural and Engineering Glossary

S

Scintled Brickwork

Same as skintled brick work.

Scion

A cutting from a woody plant that is joined onto rootstock of another plant in grafting and budding.

Scissors Truss

A type of truss used to support a pitched roof;the ties cross each other and are connected to the opposite rafters at an intermediate point along their length.
 

Sclerometer

An instrument for determining the degree of hardness of a material by the amount of pressure required to scratch it with a diamond point.

Scoinson Arch

Same as sconcheon arch.

Scollop

Same as scallop.

Scollop Capital

In Romanesque architecture,a capital similar to a cushion capital but having its underside scalloped.

Sconce

1.An electric lamp,resembling a candlestick or a group of candlesticks,which is designed and fabricated for mounting on a wall. 2.In medieval architecture,a detached earth-work,2 that serves as a small defensive position,providing additional protection for a fort.

Sconcheon Arch,scoinson Arch

An arch which includes the sconcheons of a door or window.

Sconcheon,esconson,scuncheon

1.The reveal of an aperture (such as a door or window) from the frame to the inner face of the wall.2.See squinch, 2.

Scone

Same as split.

Scoop Loader

Same as front end loader.

Scorched Finish

A surface finish of an igneous or siliceous rock that has been heated with a blowtorch,causing the surface to form small craters.

Score

1.To cut a channel or groove in a material with a hand tool or a circular saw so as to interrupt the visual effect of a surface or otherwise decorate it. 2.To roughen the surface of a material with gouges to provide a better bond for mortar,plaster,or stucco;to scratch.3.To groove a freshly placed concrete surface with a tool to control shrinkage cracking. 4.To roughen the top surface of one concrete pour in order to provide a better mechanical bond for the next pour.
 

Scored Block

A masonry block having grooves on its surface.

Scored Finish

A characteristic of a building unit having faces which have been grooved during the manufacturing process.

Scored Joint

Same as scribed joint.

Scoria

1.A dark,cellular volcanic rock.2.Blastfurnace slag or scum.

Scotch

See scutch.

Scotch Bond

Same as common bond.

Scotch Bracketing

Lath,attached at an angle between a wall and ceiling,which form a base for a hollow cornice.
 

Scotch Glue

An animal glue.

Scotch Method Of Application

See Dutch method of application.

Scotching

Same as scutching.

Scotia

A deep concave molding,esp.one at the base of a column in Classical architecture.Also called a gorge,trochilus.

Scour

The erosion of a concrete surface exposing the aggregate.

Scouring

Using a wood float,in a circular motion,to smooth freshly applied mortar or  plaster.

Scouring Action

In a drain pipe,the lifting or scrubbing of loose particles (including sand,grit, and small pebbles) from the interior surface of the pipe and carrying them downstream.To achieve this action,sufficient flow velocity is required.

SCPI

Abbr. for “Structural Clay Products Institute.”

SCR

Abbr.for “silicon-controlled rectifier.” 

Scrabbled Rubble

Same as rubblework. 

Scraped Finish

A European style of plaster finish which is obtained by scraping the stucco finish coat with a steel tool (sometimes serrated) as the stucco is setting.

Scraped Joint

A joint brought to an accurately plane surface by scraping.

Scraper

1.A self-propelled machine capable of digging,loading,hauling,dumping,and spreading materials;used to move earth by stripping or collecting a layer with a cutting blade while moving forward, pushing the earth into a bowl,and then unloading it. 2.A towed machine which is used to level the surface of ground by stripping away earth,or by collecting earth and filling hollow areas.3.A cabinet scraper.

Scraper Plane

Same as cabinet scraper.

Scratch

To score or groove a plaster surface to provide a better bond for the succeeding coat. 

Scratch Awl

An awl used for scribing wood,plastic,or the like.

Scratch Coat

In three-coat plastering,the first coat of plaster,which is then scratched to provide a bond for the second (brown) coat.

Scratch Tool, Scratcher

Any hand tool for scratching plaster to provide a mechanical bond for the following coat of plaster,such as a drag or devil float.

Scratch-brushed Finish,satin Finish

A finish obtained by mechanically brushing a surface with wire bristle brushes or by rotary buffing with an abrasive compound.

Scratched

Said of a surface in which minute groove-like breaks are made in the surface.

Scratcher

See scratch tool.

Screen Block-wall

The use of concrete masonry units primarily as a screen wall.

Screen Door

A lightweight exterior door consisting of solid wood or aluminum stiles and rails that serve as a framework for small-mesh wire screening; permits ventilation but excludes insects.

Screen Molding

Any type of simple molding used to cover the exposed edge of a sheet of wire screening.

Screen Tile

A clay tile made for a screen wall of masonry construction.

Screen Wall

A screen of some solidity as differing from one which is pierced,esp.in the intercolumniations of a colonnade. Also see pierced wall.

Screen Wire Cloth

A light wire cloth used as screening in a door or window.

Screen-door Latch

A small locking or latching device used on screen doors and operated by a knob or a lever handle;sometimes equipped with a dead bolt.

Screenings

In passing sand or aggregate through a sieve,that portion which is retained on the sieve.