Trusses Flashcards

1
Q

TRUSS

A

Assembled of members [beams connected by nods =rigid structure
2 force members

Early Bronze Age
2500 bc
Greeeks

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2
Q

Components

A

Orulin
Tie beam
Strut
Common rafters
Principals rafters
Wall plate
Rigid board
King post

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3
Q

Common rafter

A

Minor rafter aka
Diagonal wooden beams

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4
Q

Principle rafter

A

Sits directly on tie beam and carry purlin

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5
Q

Tie beam

A

Main horizontal beam cconnecting principle rafter

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6
Q

Purlin

A

Long horizontal beam on post or principle rafters of a truss

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7
Q

Strut

A

Diaoganal member that adds strength

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8
Q

Wall plate

A

Lumber laid horizontally on wall
Chief structural member that load baring

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9
Q

Rigid beam

A

Non structural member on which rafters are lean

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10
Q

King post

A

Central vertical post in king post truss

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11
Q

Types of truss

A

Siccors
King post
Queen
Praised tie
Howe
Architectural
North light
Pratt
Warren

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12
Q

Scissor truss

A

Wanted ceiling and extra head room
Angled beam small post

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13
Q

King truss

A

Vertical post with QUEEN
Conjunction with heavy timber truss

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14
Q

Queen truss

A

Truss with 2 extra diagonal and one post with with king truss

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15
Q

Raised tie

A

Residentially
Queen truss with raises tie beam
Basically higher queen

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16
Q

Howe

A

Exceptionally large span
Queen with ost on diagonal

17
Q

Arched

A

A appearance
Attic
Horizontal

18
Q

Fink

A

Diagonal truss in place of post

19
Q

North light

A

Has northern opnening

20
Q

Pratt

A

Simple and economical
Easier to build
Members placed vertically joined with 2 horizontal members
Vertical takes compression and diagonal tension 100 ,m span

21
Q

Wareen truss

A

W shape
Equi triangle
Each allernative diagonal member in tension and comprsaion lesser members 20-100m span