Anchorage Design, with Circular Base Plate Spreadsheet

Anchorage Design, with Circular Base Plate Spreadsheet



Column base plate connections are the critical interface between the steel structure and the foundation. These connections are used in buildings to support gravity loads and function as part of lateral-load-resisting systems. In addition, they are used for mounting of equipment and in outdoor support structures, where they may be affected by vibration and fatigue due to wind loads. Base plates and anchor rods are often the last structural steel items to be designed but are the first items required on the jobsite. The schedule demands along with the problems that can occur at the interface of structural steel and reinforced concrete make it essential that the design details take into account not only structural requirements, but also include consideration of constructability issues, especially anchor rod setting procedures and tolerances. The importance of the accurate placement of anchor rods cannot be over-emphasized. This is the one of the key components to safely erecting and accurately plumbing the building. The material in this Guide is intended to provide guidelines for engineers and fabricators to design, detail, and specify column-base-plate and anchor rod connections in a manner that avoids common fabrication and erection problems. This Guide is based on the 2005 AISC Specification for Structural Steel Buildings (AISC, 2005), and includes guidance for designs made in accordance with load and resistance factor design (LRFD) or allowable stress design (ASD).

Anchorage Design, with Circular Base Plate Spreadsheet


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