Cold-Formed
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Transcript of Cold-Formed
COLDCOLD--FORMED STEEL FORMED STEEL DESIGN DOCUMENTS DESIGN DOCUMENTS
Dr. Roger LaBoubeCurator’s Distinguished Teaching Professor
andDirector
Wei-Wen Yu CenterWei Wen Yu Center for
Cold-Formed Steel Structures
Goal of This PresentationGoal of This PresentationGoal of This PresentationGoal of This Presentation
Provide overview of coldProvide overview of cold--formed steelformed steelProvide overview of coldProvide overview of cold formed steel formed steel design specification and design standards design specification and design standards used in the construction industryused in the construction industryused in the construction industry.used in the construction industry.
Standards HierarchyStandards HierarchyStandards HierarchyStandards Hierarchy
General Provisions
Requirements for engineered or
prescriptive designSpecification
Design Standards
prescriptive design
Prescriptive Method for One and Two Family Dwellings
AISIAISI North American SpecificationNorth American SpecificationAISI AISI North American SpecificationNorth American Specification
D i S ifi ti f C ldD i S ifi ti f C ld F d St lF d St lDesign Specification for ColdDesign Specification for Cold--Formed Steel Formed Steel in Constructionin Construction
AISI Framing StandardsAISI Framing Standards
General Purpose:General Purpose:pp AISI S200AISI S200--07: General Provisions07: General Provisions AISI S201AISI S201--07: Product Standard07: Product Standard Code of Standard Practice, 2006 EditionCode of Standard Practice, 2006 Edition,,
Engineering Design Standards:Engineering Design Standards: AISI S210AISI S210--07: Floor and Roof System Design07: Floor and Roof System Design AISI S211AISI S211 07: Wall Stud Design07: Wall Stud Design AISI S211AISI S211--07: Wall Stud Design07: Wall Stud Design AISI S212AISI S212--07: Header Design07: Header Design AISI S213AISI S213--07: Lateral Design07: Lateral Design
AISI S214AISI S214 07: Truss Design07: Truss Design AISI S214AISI S214--07: Truss Design07: Truss Design Prescriptive Methods:Prescriptive Methods:
AISI S230AISI S230--07: Prescriptive Method for One and Two Family 07: Prescriptive Method for One and Two Family D lliD lliDwellingsDwellings
Code of Standard PracticeCode of Standard PracticeCode of Standard PracticeCode of Standard PracticeA.A. GENERALGENERALB.B. CLASSIFICATION OF CLASSIFICATION OF
MATERIALSMATERIALSC.C. CONTRACT DOCUMENTSCONTRACT DOCUMENTSD.D. INSTALLATION DRAWINGSINSTALLATION DRAWINGSE.E. MATERIALSMATERIALSF.F. INSTALLATIONINSTALLATIONG.G. QUALITY CONTROLQUALITY CONTROLH.H. CONTRACTUAL CONTRACTUAL
RELATIONSRELATIONS
ScopeScopeScopeScope
Defines and sets forth accepted norms ofDefines and sets forth accepted norms ofDefines and sets forth accepted norms of Defines and sets forth accepted norms of good practice for fabrication and good practice for fabrication and installation of coldinstallation of cold--formed steel structuralformed steel structuralinstallation of coldinstallation of cold formed steel structural formed steel structural framingframing
Supplement to legal building regulationSupplement to legal building regulation Supplement to legal building regulationSupplement to legal building regulationWould be used unless there are differing Would be used unless there are differing
i t ti i th t t d ti t ti i th t t d tinstructions in the contract documentsinstructions in the contract documents Voluntary documentVoluntary document
Model DocumentsModel DocumentsModel DocumentsModel Documents
AISCAISC -- Code of Standard Practice for SteelCode of Standard Practice for Steel AISC AISC Code of Standard Practice for Steel Code of Standard Practice for Steel Buildings and BridgesBuildings and Bridges
SJISJI Recommended Code of StandardRecommended Code of Standard SJI SJI –– Recommended Code of Standard Recommended Code of Standard Practice for Steel Joists and Joist GirdersPractice for Steel Joists and Joist Girders
SummarySummaryyy The AgeThe Age--Old Question: “Who is Old Question: “Who is
ibl f h t?”ibl f h t?”responsible for what?”responsible for what?” The AgeThe Age--Old Answer: “Good Old Answer: “Good
Communication”Communication”CommunicationCommunication Code of Standard PracticeCode of Standard Practice Contract Documents Contract Documents –– nothing nothing
replaces the need for a set of well replaces the need for a set of well thoughtthought--out and executed contract out and executed contract documentsdocumentsdocuments.documents.
These documents compliment each other
ExampleExampleExampleExample
• Responsibilities for field modifications and repairs must be clearly defined and comm nicatedcommunicated
PrescriptivePrescriptive MethodMethodpp
Consists of design tables and construction details
Prescriptive MethodPrescriptive MethodTables and DetailsTables and DetailsTables and DetailsTables and Details
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