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Trusses

Date post: 16-Jan-2016
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Trusses. Engr. Saeed Ahmed Maitlo. Trusses. What is a truss a truss is an assembly of linear members connected together to form a triangle or triangles that convert all external forces into axial compression or tension in its members Single or number of triangles - PowerPoint PPT Presentation
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Engr. Saeed Ahmed Maitlo Trusses
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Page 1: Trusses

Engr. Saeed Ahmed Maitlo

Trusses

Page 2: Trusses

What is a trussa truss is an assembly of linear members connected together to form a triangle or triangles that convert all external forces into axial compression or tension in its members

Single or number of triangles

a triangle is the simplest stable shape

Joints assumed frictionless hinges

loads placed at joints

Page 3: Trusses

Primitive dwelling

heavy timber trusses

Rafter pair - Joistsimple roof constructionloading along rafters - bending

Simple Truss

Page 4: Trusses

Depthor

Rise Panel

Span

Flat Truss or Parallel Chord Truss

Vertical Diagonal

WebMembers(verticals & diagonals)

Top Chord

Bottom ChordJoint,Panel pointor Node

Page 5: Trusses

BowstringFlat Pratt Triangular Howe

Flat Howe Inverted Bowstring Simple Fink

Warren Fink

Camelback Triangular Pratt Cambered Fink

Scissors Shed

Lenticular

Page 6: Trusses

A truss provides depth with less material than a

beamIt can use small piecesLight open appearance (if seen)Many shapes possible

Page 7: Trusses

Multipanel TrussesSainsbury Centre

Norwich, England

Foster & PartnersAnthony Hunt Associates

Warren TrussesCentre Georges Pompidou

Paris

Piano & RogersOve Arup & Partners

Shaping Structures: Statics, W. Zalewski and E. Allen (1998)

Page 8: Trusses

Shaping Structures: Statics, W. Zalewski and E. Allen (1998)

3-Hinged Truss ArchesWaterloo Terminal for Chunnel Trains

Nicholas Grimshaw & PartnersAnthony Hunt Associates

Page 9: Trusses

Stadium AustraliaHomebush, Sydney, 1999

Bligh Lobb Sports ArchitectsSinclair Knight Merz (SKM) Modus Consulting Engineers

Page 10: Trusses

Truss Application in Biomedical

In medicine, a truss is a kind of surgical appliance, particularly one used for hernia patients. A truss provides support for the herniated area, using a pad and belt arrangement to hold it in the correct position

Page 11: Trusses

Truss Definition According to Medicaltruss  (trs)n.1. Medicine A supportive device, usually a

pad with a belt, worn to prevent enlargement of a hernia or the return of a reduced hernia.

2.A rigid framework, as of wooden beams or metal bars, designed to support a structure, such as a roof.


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