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Today
History
AISCs roleConstruction Process
VideoCode of Standard Practice
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History We want to increase the demand for
steel by bringing about conditions thatpermit its economical use
We must do something that will beaccepted and welcomed as constructiveby the mills, the engineering profession,
the architects, building commissioners,and the customers of steel
Lee Miller, Director
November 1922
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Why AISC?Technical Institute
&
Trade Association
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Technical Institute
Standards
Resources Solutions
Certification
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Resources
Manuals
Design Guides
Website
Education
Steel Solutions Center
Technical Institute
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CertificationTechnical Institute
Building Fabrication
Bridge Fabrication Components
Erector
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Trade Association
Communication
Market Development Education
Member Services
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Communication
Website
Modern Steel Construction
Social Media
Trade Association
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MARKET DEVELOPMENT
GROWING THE MARKET FOR STEEL
PROJECT
PURSUIT
AWARD
RECOGNITION
DECISION MAKER
RELATIONSHIPS
INDUSTRY
VISIBILITY
TRACK
MARKETPLACE
INFLUENCE
TRENDS
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Education
Professional
Student
Trade
Trade Association
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Education
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Member Services
ePublications
Networking
Discounts
Trade Association
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DesignConstruction Process
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Detailing/ModelingConstruction Process
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FabricationConstruction Process
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ErectionConstruction Process
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Video
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Video
Teamwork
Specialists Safety
Planning Value = cost/time/quality
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New Challenges
Market
Materials
Data Exchange
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Materials
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Data Exchange
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The 2010 AISC Code
of Standard Practice
Charles J. Carter, S.E., P.E., Ph.D.
Vice President and
Chief Structural Engineer
AISC
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First, the
little things.
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Buildings and Bridges (same as always)
Other Structures added
Consistent with AISC 360 (the AISC
Specification for Structural Steel Buildings)
Also affects Section 1.4
Scope (Section 1.1)
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The usual editorial update
References (Section 1.2)
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Tolerances remain in Sections 6 and 7
Section 1.9 added as invoking language
Also addresses tolerances not explicitly
covered in the Code
Specifically that tolerances not covered are
not to be assumed as zero
Tolerances (Section 1.9)
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Clarification on base plates and bearing
plates
Considered structural if attached to the
structural frame
Not if they are loose items that do not attachto the structural steel frame
Structural Steel (Section 2.1)
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Editorial improvements made in theCommentary
Improves list of items that should be provided
in the contract documents
Works with information added on column
differential shortening and anticipated
deflections in the Commentary to Section 7.13
Drawing Information(Section 3.1)
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Commentary information added on pre-detailing conference
Summarizes importance and benefits
Goal: to open lines of communication and
develop a common understanding about the
project
Pre-Detailing Conference(Section 4.1)
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New section
Similar requirements as for shop drawings
Oriented toward ensuring the Erector has
information when it is needed
Erection Drawings(Section 4.7)
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Essentially the same
Better treatment of incidental camber in
trusses
Truss Camber(Section 6.4.3)
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Information added in the Commentary
Better describes special erection conditions
or other considerations that are required by
the design conceptHighlights special considerations in the
erection of cantilevered members
EOR Structure Narrative(Section 7.10.1)
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Editorial clarification
Affects treatment of groove welds
Specifically tied to butt joints and outside
corner joints
AESS Welds (Section 10.2.5)
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Now, the
big one.
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Option 3
Delegated Connection
Design Work
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The complete connection design shall be
shown in the structural design drawings
Option 1
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The complete connection design shall be
shown in the structural design drawings
The SER designs the connections
Option 1
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The intent of this approach is that complete
design information necessary for detailing theconnection is shown in the structural design
drawings. The steel detailer will then be able
to transfer this information to the shop and
erection drawings
Option 1
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The connection shall be designated to be
selected or completed by an experiencedsteel detailer
Option 2
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The connection shall be designated to be
selected or completed by an experiencedsteel detailer
The SER provides the schematics and the
steel detailer completes the details
Option 2
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It is not the intent that this method be used
when the practice of engineering is required
Option 2
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The connection shall be designated to be
designed by a licensed professional engineerworking for the fabricator
Option 3
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Communication Required!
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Communication Required!
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Communication Required!
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Any restrictions on types of connections
The connection design loads and associatedcriteria must be defined. Forces, moments,
whether the loads provided are ASD or LRFD
loads, and similar information is key here
What substantiating connection information,if any, is required
Communication Required!
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The connection design engineer must review
and confirm in writing, as part of thesubstantiating connection information, that the
shop and erection drawings properly
incorporate the connection designs.
This review does not replace the approvalprocess of the shop and erection drawings by
the SER. It is in addition to it.
Review and Approval
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Teamwork
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Teamwork
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The SER is identified as the final authority in
the case of a dispute between the SER andthe licensed professional engineer in
responsible charge of the connection design
when option (3) is specified. This is simple
and straightforward, and it is how it must bebecause only the SER has the full knowledge
of the structure.
Final Authority
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Simple and straightforward approach to a
practice that already exists, is in wide use,and currently is widely varying in how it is
used.
Has appropriate limits for all three options.
Language allows all parties to control theirown risks, and no party is asked to assume
the responsibility for the negligence of
another party.
Summary
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A second option for the location of the
branding title.A second option for the location of the
branding title.
Theres always a solution in steel.
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