All about ANSI/AISC – Specification for Structural Steel Buildings by American Institute of Steel Construction. LibraryThing is a cataloging and social. ANSI/AISC An American National Standard. Specification for Structural Steel Buildings March 9, Supersedes the Load and Resistance Factor. COMPARISON OF ANSI/AISC TO ANSI/AISC (prepared by Eric Bolin and Tom Dehlin) This document summarizes the revisions contained in the .

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The channel shear connecter is now defined as a hot-rolled channel anchor. Axial Force This section is based on Sections 1. Required Strengths The requirements listed in this section additional lateral load, Ni, and the nonsway amplification of beam-column moments have been moved from Section C2.

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

SCOPE The scope of the Specification has been expanded by including systems with structural steel acting compositely with reinforced concrete.

Two new user notes have been added to the Chapter K preamble: Also, slots in HSS for gussets may be made with semicircular ends or with curved corners, and square ends are permissible if the edge of the gusset is welded to the HSS. The provision for when lateral bracing is attached to a stiffener has been removed.

ANSI/AISC 360-05 Code check

Limitations Several new requirements have been added to Section I2. The following table shows the changes that have been aic to the element descriptions and the case numbering in this table.

Classification of Sections for Local Buckling was section B4 The local buckling classifications for members have been separated for flexure and compression.


The symbol representing the projected length of the overlapping branch on the chord, p, has been changed to lp. Inspection of Welding Section M5. The elastic buckling stress, Fe, anzi references Appendix 7 instead of Section C2.

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

Thermal Cutting Requirements for reentrant corners have been expanded upon: 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.

Available Strengths Sections C1. Required Strengths Parts of Section C2. Detailing Requirements Several detailing requirements have been removed from this section including the total number of longitudinal reinforcing bars and the transverse reinforcement spacing.

Alternative Methods of Design new section This section aisd to Appendix 7 for the effective length and first-order analysis methods if justified by the provisions. The organization of this appendix remains the same, with the exception of the addition of Section 6. Compression Members with Bearing Joints Snsi following sentence has been added to improve clarity: The provision for clear cover to reinforcing steel has been changed from a minimum 1. Weld Access Holes Beam cope provisions have been removed from this section.

ANSI/AISC Code check

A user note is included in this section that states it is the intent of the Specification for the reinforced concrete portion of a composite section to be detailed using the noncomposite provisions of ACI The paragraph outlining when to design slip-critical connections based on the limit states of serviceability and slip has been removed.

The organization of this chapter remains the same with the exception of Section M5 being relocated to Chapter N. Bearing Strength at Bolt Holes A user note has been added to this section: Quality assurance is provided by others when required by the authority having jurisdiction AHJpurchaser, owner or engineer of record EOR.

Figures are for slip-critical bolted connections. Encased Composite Members The provisions for steel anchor detailing for encased composite members have been moved from Section I2.


Nodal Bracing The last sentence of the preamble to Section 6. Figures are for bolted connections designed to bear, meeting the requirements of slip-critical connections. Quality Control This new section references Sections N5.

Definitions of Parameters No changes have been made to this section. Field Painting No changes have been made to this section.

Anchor Rods and Threaded Rods No changes have been made to this section. Please verify that you are not a robot. The thickness of a stiffener shall not be less than one-half the thickness of the flange or moment connection plate delivering the concentrated load, nor less than the width divided by 16 was 15 in the Andi. Case 8 is expanded to include double angles.

The design and allowable torsional strength has been changed to available torsional strength. Transverse Stiffeners The first limiting condition in Section G3.

Write a review Rate this item: Combined Tension and Shear in Slip-Critical Connections The variable for the number of bolts carrying the applied tension in a slip- critical connection, Nb, has been changed to nb.

For beams, girders and trusses the supports shall anzi restrained against rotation unless analysis shows that restraint is not required. This appendix has been renamed and reorganized as follows: A paragraph has been added for the stability analysis of a structure using materials other than structural steel.

Added is a statement that the available compressive strength need not be less than that of the bare steel member. 3660-05 the bearing strength equation the variable for nominal bearing strength of concrete, Pp, has been changed to nominal strength of force transfer mechanism, Rn and the variable for loaded area, AB, has been changed to loaded area of concrete, A1. Cancel Forgot your password?