AISC 360-05 PDF

Specification for Structural Steel Buildings (ANSI/AISC ) – March 9, Specification for Structural Steel Buildings (ANSI/AISC ). Note: Although the ANSI/AISC version of the code officially replaces the ANSI/AISC code, this latter remains available in the. You want to design steel members according American code ANSI-AISC Is it available in Autodesk Robot Structural Analysis?.

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Local Buckling No changes have been made to this section. The organization of this chapter remains the same. The list has been changed so component and connection deformations are now categorized under all other deformations that contribute to the displacement of the structure. What is the LX Parameter. The definitions for Qf are now located in Table K3.

It specifies that the available flexural strength of affected elements shall be the lower value obtained according to the limit states of flexural yielding, local buckling, flexural lateral- torsional buckling and flexural rupture.

Required Strength The reference to the provisions in Appendix 1 for moment redistribution in continuous beams has been removed because this topic has been moved into this chapter. Combination of Welds No changes have been made to this section. The following provision has been added, B1 shall be taken as 1.

Material Limitations Structural steel has been included in the list for material limitations of this section. SINGLE ANGLES There has been a statement added to this section stating if there is a moment about both principle axes with or without axial load, or of there is a moment along one principle axis with axial load the combined stress ratio shall be determined using Section H2.


In addition to being used to transmit shear in lap joints, fillet welds in holes or slots are now permitted to be used to resist loads perpendicular to the faying surface in lap joints.

The definition of the design wall thickness, t, has been added to this section. Compression Flange Yielding The definition of Myc has been added to this section.

ANSI/AISC 360-05 – Specification for Structural Steel Buildings

Similar to Section N5. Load Transfer This section now refers to Section I6 for load transfer requirements for filled composite members.

Coordinated Inspection This new section states that if a task is noted to be performed by both quality control and quality assurance, then it is permissible to have the inspection functions performed by only party if it is coordinated between the quality control inspector and the quality assurance inspector.

Relative Bracing No changes have been made to this section. Geometric Imperfections Initial geometric imperfections must be taken into account during an inelastic analysis; this was not specified in the Specification.


The design requirements in Section J4. The bracing which defines the unbraced length will have stiffness sufficient to control member movement at braced points, which is covered in Appendix 6. The definition for U and any terms associated with that symbol are also tabulated there. Unsupported Length for Top Flange Compression. Compressive Strength The provisions of this section now specifically apply to axially loaded doubly symmetric encased composite members.


Shear Connection This new section gives the provisions for force transfer by shear connection in filled and encased composite members.

A user note has been added stating the initial displacements should be similar in configuration to displacements caused by loading and buckling with magnitudes based on permissible construction tolerances given in the AISC Code of Standard Practice. The distribution of at least 2. Additionally, the Specification incorporated former Section M4.

This chapter replaces Section M5 of the Specification. Which one should I use? Tension Flange Yielding No changes have been made to this section.

Serviceability and Strength check for the same load combination. Net Area was Section B3.

For open cross sections the minimum shear lag factor, U, has been changed from equal to or greater than 0. The topics of quality control and quality assurance are now included in a new section. Field Welding The Specification specifically references wire brushing to assure weld quality for shop paints on surfaces adjacent to joints, if necessary.

This factor is taken as 1. Built-Up Heavy Shapes No changes have been made to aiscc section. The Specification, however has put all these analysis requirements in one section.

A-have been reformatted into a text description and moved into Section C2. The footnote in the user note which gives the qualifications for a no decking condition has been removed. Design for Serviceability was Section B3.