Roof Outrigger Definition

Parts of a roof the main structural parts of a roof are ceiling joists ridge board jack rafter hip rafter common rafters creeper rafters raking plates out riggers and noggings or last rafter overhang.

Roof outrigger definition.

Tie down fixings tie down fixings are used to resist uplift and shear forces lateral loads in floor framing wall framing and roof framing. Blocking in between outriggers on top of gable top chord. Usually a smaller member nailed to a larger rafter to form a cornice or roof overhang. They do this by creating a positive interaction between the two tied systems.

Unlike davits an outrigger reacts its operating moment load as at least 2 opposing vertical components acting into 2 or more distinct roof points and or attachments. Content overview outrigger systems function by tying together two structural systems typically a core system and a perimeter system to yield whole building structural behaviors that are much better than those of the component systems. Outrigger definition a framework extended outboard from the side of a boat especially as in south pacific canoes supporting a float that gives stability. Outrigger means a device used singly or in pairs for suspending a working platform from work storage and rigging locations on the building being serviced.

There have been many reported casesduring windstorms where roofs have peeled off after damage initiating at the gable verges. Outrigger definition is a projection with a float or a shaped log at the end attached to a boat to prevent capsizing. Outriggers cantilever from first interior truss out over gable. Outriggers are typically horizontal structures usually trusses or reinforced concrete walls inserted into buildings at various levels to tie the concrete core to the outer or perimeter structural framework.

An extension of a rafter beyond the wall line. Gable roof framing outriggers vandede427 structural 6 may 10 16 44 in commercial wood framed structures the gable truss with a lowered top chord is usually what s done. They can be tied to the core and combined with exterior columns or may be connected to a super or mega column.