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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ANSI/AISC 360-05 Code check
High-Strength Bolts High-strength bolts in the Specification are now grouped according to material strength as follows: The following table shows the changes that have been made to the element descriptions and case numbering in this table. Inspection of Welding Section M5. Adjustments to Stiffness new section This section has been moved from Appendix 7, Section 7.
Surfaces Adjacent to Field Welds No changes have been made to this section. The definitions of h and t have been added to this section.
Difference between AISC 9th ed. and 360-05/10
The following provision has been added, B1 shall be taken as 1. The alternate lesser value of U, based on the effect of eccentricity, has been removed. The provision for clear cover to reinforcing steel has been changed from a minimum 1. Compression Flange Local Buckling No changes have been made to this section. Required Strengths Parts of Section C2.
General Requirements This section combines the axial load transfer for both the encased and filled axially loaded composite members. Mixed Weld Metal No changes have been made to this section. No Evidence aiisc Composite Beam Design. Concrete and Steel Reinforcement In the Specification the provisions of the ACI are applied in the absence of an applicable building code. Pro General Design Solutions.
COMPARISON OF ANSI/AISC TO ANSI/AISC | bill greg –
The distribution of at least 2. Compression Flange Yielding The definition of Myc has been added asc this section. Combination of Welds No changes have been made to this section.
The ratios and limits for filled composite members are located in Tables I1.
The equations for the reduced flexural stiffness Eq. Material Limitations Structural steel has been included in the list for material limitations of this section. Minimum Spacing A user note has been added to this section, stating that ASTM F anchor rods may be furnished in accordance to product specification with a body diameter less than the nominal diameter. A paragraph has been added for the stability analysis of a structure using materials other than structural steel. Torsional Bracing The first and last sentences of this section have been removed.
The following relationship has been added: Relative Bracing The symbol representing the required brace strength has been changed from Pbr to Prb. Removed from this list is member stiffness reduction due to residual stresses.
ANSI/AISC Code check
The design requirements in Section J4. Bearing Aisf at Bolt Holes A user note has been added to this section: The approximate second order analysis B1-B2 method has been moved from Chapter C. Access Hole NDT This new section specifies when quality assurance should test thermally cut surfaces of access holes using magnetic particle testing or penetrant testing.
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 design strength and the allowable strength of connections shall be determined in accordance with the provisions of 36005 chapter and the provisions of Section B3. Direct Analysis Method of Design new section This section refers to sections C2 and C3 for the calculation of required and available strengths, respectfully, for this method of analysis.
The LRFD resistance factor and ASD safety factor if steel anchors are provided using the plastic stress distribution on the composite section or strain compatibility methods have been changed as follows: The organization of this appendix remains the same.