Lean-To:
A structure dependent upon another structure for partial support and having
only one slope or pitch.
Liner Panel:
Interior wall or roof sheeting attached to the inside flanges of the girts o
r purlins.
Lintel:
A beam (either concrete or steel) in masonry walls placed above doors, windo
ws or openings to support masonry above.
Live load:
Any variable load that results from intended use of the structure during its
life time.
Loads:
Anything that causes a force to be exerted on a structural member. Examples
of different types of loads are:
a. Dead Load
b. Live Load
c. Impact Load
d. Seismic Load
e. Wind Load
f. Crane Load
g. Auxiliary Load
h. Collateral Load
Longitudinal:
The direction parallel to the ridge line.
Louver:
A wall opening provided with slanted blades, fixed or movable, to allow flow
of air inside the building.

Machine Bolts:
Mild steel bolts conforming to ASTM A307 standard specifications.
Mastic:
See Caulking.
Mezzanine:
An intermediate floor within a building above the ground floor that occupies
all or part of the building floor area and consists of columns, beams, jois
ts, deck panels and edge trims to receive reinforced concrete.
Masonry:
Construction materials such as bricks, concrete blocks and stone.
Moment:
The tendency of a force to cause rotation about a point or axis.
Moment Connection:
A connection designed to transfer moment, as well as axial and shear forces,
between connecting members.
Monorail Beam:
A single beam support for a material handling system. It is normally a hot r
olled "I" beam.
Mono-Slope:
A building sloped in one direction.
Mullion:
A vertical bar or pier between panes or sections of windows and screens.
Multi-Gable Buildings:
Buildings consisting of one or more gables across the width of the building.

Multi-Span Buildings:
Buildings with interior columns.

Notch:
----------------------------------------------------------------------------
Panel:
A piece of roof or wall sheeting. See also Sheeting.
Parapet Wall:
That portion of the vertical wall which extends above the roof line at the i
ntersection of the wall and roof.
Part Mark:
A number physically marked on a piece or packing that identifies each compon
ent of the building for erection and shipping purposes.
Partition:
A non-load bearing interior dividing wall. It can sustain its own weight but
does not support the ceiling or roof and is designed to withstand a maximum
lateral load of 0.25 kN/m?
Peak:
The uppermost point of a gable. Also called Peak Point or Ridge Point.
Peak Panel:
Also known as Ridge Panel. Used to link and weather-seal roof panels on oppo
sing slopes.
Peak Sign:
A sign attached to the peak of the building at the endwall showing the name
of the manufacturer of the building. Also called Ridge Sign.
Personnel Door:
An access door.
Pier:
A concrete structure designed to transfer the vertical load from the column
base to the footing.
Pilot Door:
A small access door within one leaf of a sliding door. Also called Wicket Do
or.
Pin Connection:
A connection designed to transfer the axial and shear forces between connect
ing members, but not moment forces.
Pinned Base:
A column base that is designed to resist horizontal and vertical movement, b
ut not rotation.
Pipe Flashing:
Used in sealing roof penetrations.
Pitch (Hole):
Distance between center lines of holes along longitudinal axis of plate.
Pitch (Roof):
Slope of the roof
Plan: Details of a building as viewed from the top.
Pop Rivet:
Used for joining flashing and light gauge metal trims. See also Blind Rivet.

Portal Frame:
Column and beam bracing used in lieu of standard diagonal cable bracing to p
rovide clear access.
Post-and-Beam Endwall:
A system of endwall framing consisting of vertical columns (posts), with pin
ned ends, which support rafters (beams). These posts and beams are normally
light members made from cold-formed sections.
Pre-Engineer:
To design and detail components beforehand.
Pre-Fabricate:
To fabricate parts in the shop beforehand. To manufacture standard sections
that can be rapidly assembled.
Primary Framing:
The main load carrying members of a structural system, generally the columns
, rafters, and/or other main support members.
Primer Paint:
The initial coat of paint applied in the shop to the structural framing of a
building for protection against aggressive environmental conditions during
shipping and erection.
Purlin:
A horizontal secondary structural member, bolted to the rafters, which trans
fers the roof loads from the roof covering to the primary frames.
Purlin Extension:
A projecting secondary member used in roof extensions at the endwall.
Purlin Line:
The line joining the extreme outer, or exterior, edges of the purlins parall
el to the frames.

Rafter:
A primary beam member supported on columns.
Rake:
The intersection of the plane of the roof and the plane of the gable.
Rake Trim:
The sheeting item joining the roof and wall sheeting at the rake. Also calle
d Gable Trim.
Reactions:
The resisting forces, at the column bases of a frame, holding the frame in e
quilibrium under a given loading condition.
Revision:
A change that is made to the building design, component details, location of
accessories, etc.
Ridge:
The peak, or highest point of a gabled building, which describes a horizonta
l line running the length of the building.
Ridge Flashing:
Continuous metal flashing used to close roofing material along the ridge of
a roof. Also called Ridge Cap or Peak Panel.
Ridge Connection:
A connection, between two rafter members, which transfers the moment from on
e side of the connection to the other and maintains, under application of lo
ad, the same angle between the connected members that exists prior to the lo
ading. See also Moment Connection.
Ridge Sign:
The manufacturer’s sign at the peak or highest point of the gable. Also cal
led Peak Sign.
Ridge Ventilator:
The ventilator used at the ridge line.
Rigid Frame:
A structural frame consisting of members joined together with rigid (or mome
nt) connections so as to render the frame stable with respect to imposed loa
ds, without the need for bracing in its plane.
Rigid Frame Endwall:
A system of endwall framing where the main interior frame is used at the end
wall mostly for the purpose of future expansion.
Risers:
The vertical rise of the steps of a staircase.
Roll-Up Door:
A door which opens vertically and is supported on a shaft or drum and runs a
long vertical tracks.
Roof Covering:
The exterior roof skin consisting of panels or sheets, their attachments, an
d weather sealant.
Roof Curb:
Weatherproof flashing used on roofs to support power ventilators or ducting.
Roof Curbs can be fiberglass or sheet metal.
Roof Extension:
An extension of the roof beyond the endwall and/or sidewall of a building.
Roof Monitor:
Raised gable, or portion of the main building, located at the ridge, to allo
w lighting and ventilation.
Roof Slope:
The angle that a roof surface makes with the horizontal. Usually expressed i
n units of vertical rise to 10 units of horizontal run.

Sag Rod:
A tension member used to limit the movement of a girt or purlin in the direc
tion of its weak axis before the installation of sheeting.
Sealant:
See Caulking.
Secondary Framing:
Members which carry loads to the primary framing. In metal buildings this te
rm includes purlins, girts, eave struts, flange braces, etc.
Seismic Load:
The assumed lateral load acting in any horizontal direction on the structura
l system due to earthquakes.
Self Drilling Fasteners:
See Self Drilling Screws.
Self Drilling Screws (SDS):
Fasteners, used for attaching panels and trims to girts and purlins, which d
rill their own holes and eliminate the pre-drilling operation.
Self Tapping Screws (STS):
Have the same function as SDS but need pre-drilled holes.
Sheeting:
Profiled metal panels.
Sheeting Angle:
An angle used to support sheeting.
Shims:
Small steel plates used for levelling base plates or for packing between str
uctural members.
Shipping List:
A list that enumerates, by part number or descri ption, each piece of materia
l or assembly to be shipped. Also known as Packing List.
Shop Details:
Drawing details for fabrication of parts and assemblies.
Side Lap:
A term used to describe the lap at the side or lengthwise direction of panel
s.
Sidewall:
A term used to describe the entire composition of a building side which is p
arallel to the ridge.
Sill:
The bottom horizontal member of a door or window opening.
Simple Span:
The term used in structural engineering to describe a support condition, for
a beam, girt, purlin, etc., which offers no resistance to rotation at the s
upports.
Single Slope Building:
See also Mono-Slope.
Skylight:
A translucent panel used at the roof to transmit natural light. It is usuall
y made of fiberglass.
Slats:
Flat strips used in the shutters of roll-up doors.
Sleeve Nut:
A long nut normally used to join two brace rods of the same diameter togethe
r. Also known as Coupling.
Sliding Door:
A single or double leaf door which opens horizontally by means of overhead t
rolleys or bottom wheels.
Slot:
An elongated hole.
Soffit:
The underside covering of any exterior portion of the metal building such as
canopies, sidewall and endwall roof extensions.
Soil Pressure:
The load, per unit area, a structure will exert, through its foundations, on
the soil.
Soldier Column:
A column, in sidewalls outside the main frame lines, located in extended bay
s to support sidewall girts, wall canopies and Lean-To’s.
Space Saver:
Building with a single gable clear span and straight columns. Wall girts are
flush mounted.
Span:
Distance between the supports of beams, girders or trusses. In a pre-enginee
red building distance between interior columns.
Spanner:
A component used to connect the endwall post (column) to the endwall roof pu
rlins.
Specification:
A statement of particulars defining physical dimensions, strength and other
properties, or a statement defining performance expectations of materials or
devices.
Splice:
The connection between two structural members.
Steel Line:
The extreme outer limits of the structural framing system of a building to w
hich the sheeting is attached.
Step in Eave Height:
The condition where a lower building is attached to a higher building at the
endwalls, resulting in one building with different eave heights at each end
. Someti

楼主真是强人，我对专业英语已经没有什么印象了，平时又用不到，还是应该看看才行！

翻译出来可以吗

偶英语是菜鸟，不知道是什么，寒！！

强烈要求删除该贴，看了伤心

好东西,不过有中文对照九更好了.谢谢楼主的无私奉献!!!!