Trusses Flashcards
TRUSS
Assembled of members [beams connected by nods =rigid structure
2 force members
Early Bronze Age
2500 bc
Greeeks
Components
Orulin
Tie beam
Strut
Common rafters
Principals rafters
Wall plate
Rigid board
King post
Common rafter
Minor rafter aka
Diagonal wooden beams
Principle rafter
Sits directly on tie beam and carry purlin
Tie beam
Main horizontal beam cconnecting principle rafter
Purlin
Long horizontal beam on post or principle rafters of a truss
Strut
Diaoganal member that adds strength
Wall plate
Lumber laid horizontally on wall
Chief structural member that load baring
Rigid beam
Non structural member on which rafters are lean
King post
Central vertical post in king post truss
Types of truss
Siccors
King post
Queen
Praised tie
Howe
Architectural
North light
Pratt
Warren
Scissor truss
Wanted ceiling and extra head room
Angled beam small post
King truss
Vertical post with QUEEN
Conjunction with heavy timber truss
Queen truss
Truss with 2 extra diagonal and one post with with king truss
Raised tie
Residentially
Queen truss with raises tie beam
Basically higher queen
Howe
Exceptionally large span
Queen with ost on diagonal
Arched
A appearance
Attic
Horizontal
Fink
Diagonal truss in place of post
North light
Has northern opnening
Pratt
Simple and economical
Easier to build
Members placed vertically joined with 2 horizontal members
Vertical takes compression and diagonal tension 100 ,m span
Wareen truss
W shape
Equi triangle
Each allernative diagonal member in tension and comprsaion lesser members 20-100m span
