Architectural and Engineering Glossary

S

Striatura

The fluting on columns. 

Striga

A fluting of a column.

Strigil Ornament

In Roman architecture,a decoration of a flat member,as a fascia,with a repetition of slightly curved vertical flutings or reedings.

Strike

1.In stone setting or bricklaying,to finish a mortar joint with a stroke of the trowel,simultaneously removing extruding mortar and smoothing the surface of the mortar remaining in the joint;strike off.2.A  strike plate.

Strike Backset

On a doorframe,the distance from the stop to the edge of the strike plate cutout.

Strike Block

A plane,shorter than a jointer plane,used for fitting a short joint.

Strike Edge

See leading edge.

Strike Jamb,lock Jamb

The vertical member of a doorframe on which the strike plate is installed.

Strike Off

1.To use a straight wood or metal bar for removing material (from a newly plastered or mortared work or from a freshly laid concrete surface) which is in excess of that required to fill a form evenly or to level the surface.2.The wood or metal bar used for this purpose. 3.See strike, 1.

Strike Plate,strike,striking Plate

A metal plate or box which is set in a doorjamb and is either pierced or recessed to receive the bolt or latch of a lock,fixed on a door.Also see box strike plate.

Strike Reinforcement

A metal tab in a hollow metal doorframe,to which the strike plate is attached;strengthens the frame.

Strike Stile

Same as lock stile.

Strike-through

See bleed through.

Striker

A slightly beveled metal plate,set in the jamb of a door to receive and guide a door latch to its socket in closing.

Striking

1.Cutting a molding with a plane.2.Removing temporary supports from a structure. 

Striking Plate

See strike plate.

Striking Point

The center of curvature of a circular arc;the point from which such an arc is drawn.

Striking Stile

See lock stile.

Striking-off Lines

In plastering,markings for cornice work,on ceilings or walls.
 

String

1.In a stair,an inclined board which supports the end of the steps;also called a stringer.2.In a lattice roof truss, a horizontal tie.3.A stringcourse.Also called stringer,stringboard,or face string.For specific types, see closed string,face string,finish string,open string, outer string,rough string,stair string.

String Development

Same as ribbon development.

String Wall

See string.

Stringboard

Same as face string.

Stringing Mortar

The process of spreading enough mortar on a bed to lay several masonry units at one time.

Stringpiece

In construction or shoring,any long,heavy horizontal timber.

Strip

1.Any material which is long and narrow,usually of uniform width.2.See board,1.3.To damage the threads on a nut or bolt.4.To remove formwork.

Strip Board

See strip core.

Strip Building

Building dwellings,usually lowcost,in long parallel rows,using a minimum of land.

Stroll Garden

A garden designed to be viewed from a footpath,which usually proceeds from one of a series of vantage points to another.

Strong Axis

The major principle axis of a cross section.

Strongback

A frame attached to the back of a concrete form to stiffen or reinforce it.

Sweet Gum

Same as gum,1.

Sweitzer Barn

A Swiss barn;see German barn.

Swell Box

In a pipe organ,the chamber in which the pipes of the swell organ are placed,the front being made with movable slats which can be opened or shut by means of a pedal.

Swell Factor

Of a material such as soil,the ratio of the weight of a loose cubic yard (or meter) to the weight of a bank cubic yard (or meter).

Swellage

See swelling.

Swelled Chamfer

See wave molding.

Swelling

The volume increase caused by wetting,absorption of moisture,or chemical changes.

Swept Valley

On a roof,a valley formed of shingles,slates,or tiles; “tile-and-a-half” units are cut with a taper,eliminating the need for a metal valley and giving the appearance of a continuous course.

Swift

In prestressing,the reel or turntable on which the tendons are placed for convenience in handling and placement.

Swimming Pool

Any basin or tank containing an artificial body of water sufficiently deep for swimming.

Swimming Pool Paint

Specially formulated water-impermeable paint having good wet adhesion;used to decorate and protect interior surfaces of swimming pools.

Swing

The action of a door’s movement,usually on hinges or pivots,about a hanging stile.

Swing Joint

A type of joint used with threaded pipe which permits motion to occur when the pipes are heated or cooled,without bending of the pipes;esp.used in riser and radiator connections.

Swinging Latch Bolt

A latch bolt that is hinged to a lock front and is retracted with a swinging rather than a sliding action.

Swinging Post

See hanging post.

Swp

Abbr.for “steam working pressure.”

SYM

On drawings,abbr.for “symmetrical.”

SYN

On drawings,abbr.for “synthetic.” 

Syrian Arch

On a classical façade,an arched entablature over the central intercolumniation.