It has vertical “in-plane” members fastened to the chords instead of diagonal web members. Gable Truss: A component manufactured to the profile of the mating standard truss. Gable: The portion of the roof above the eave line of a double sloped roof. Generally found on the high sloped end of a chimney.ĭead Load: Any permanent load such as the weight of roofing, flooring, sheathing, insulation or ceiling material, as well as the weight of the truss itself.ĭeflection: Downward vertical movement of a truss (when in place) due to dead and live loads.ĭesign Loads: The dead and live loads which a truss is engineered to support.ĭistributed Load: Loads spread evenly along truss members.įascia: The flat surface located at the outer end of a roof overhang or cantilever end.įeather Cut: A heel cut which has been made with a zero butt cut. Not to be confused with SpanĬlinched Nail: A nail selected to be longer than the member it is driven through and which is bent back the dimension of its excess length.Ĭollar Beam: Wooden member connecting opposite roof rafters.Ĭollar Tie: A horizontal member placed between two rafters a specific vertical distance above the top plate for the purpose of limiting outward thrust of the rafters.Ĭomposite Lumber: A family of materials that contain wood in whole or fiber form and are bound together with an adhesive of natural or synthetic form.Ĭompound Cut: A double cut made across the member width.Ĭoncentrated Load: Superimposed load centered at a given point( ie roof mounted AC unit.)Ĭonnector Plate: Pre-punched metal toothed connectors located at the joints and splices of a truss and designed to hold the forces that occur at those locations.Ĭonventional Framing: Framing with conventional joists rafters and wall studs.Ĭreep: Deformation of a structural member under constant load over time.Ĭricket: A ridge or drainage diverting roof framing. An example of an inclined bottom chord member is the bottom chord of a scissor truss or a truss positioned between supports at different elevations.īottom Chord Bearing: Term usually used to describe the bearing condition of a parallel chord truss that bears on its bottom chord.īottom Plate: The bottom framing member of a stud wall.īutt Cut: Slight vertical cut at outside edge of truss bottom chord to ensure uniform nominal span and tight joints – usually ¼ inch.īutt Joint: The interface at which the ends of two members meet in a square cut joint.ĬAD: Computer aided design and drafting softwareĬamber: An upward curvature built into a truss bottom chord to compensate for anticipated deflection due to loading conditions.Ĭantilever: The part of a truss that extends beyond its support, exclusive of overhang.Ĭheck: A lengthwise separation of wood fibres, usually extending across the rings of annual growth, caused chiefly by strains produced in seasoning.Ĭhord: The truss members forming the top and bottom edges of the truss.Ĭlear Span: Generally indicates the inside or interior frame to frame dimensions. Bearing: A structural support, usually a beam or wall that is designed by the building designer to carry the truss reaction loads to the foundation.īirdsmouth Cut: A long notch at the ends of a member to allow for an overhang with an “over the wall height” less than the width of the member.īlocking: Wood or metal members that are placed between trusses and joists in an angled position intended to spread the loads.īottom Chord: An inclined or horizontal member that establishes the bottom member of a truss.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |