(Note: presence of a “comment box” is denoted by a “red triangle” in the upper right-hand corner of a cell. This program contains “comment boxes” which contain a wide variety of information including explanations of input or output items, equations used, data tables, etc. Ricker, originally published in American Institute of Steel Construction (AISC) - Design Journal, 4th Quarter 1991.ī.'Design of Below-the-Hook Lifting Devices' - ASME BTH-1-2008, American Society of Mechanical Engineers.Ĭ.American Institute of Steel Construction (AISC) 13th Edition Allowable Stress Design (ASD) Manual (2005)Ģ.
The following references were used in the development of this program:Ī.'Design and Construction of Lifting Beams' - David T. AISC Manual (ASD) and Reference #1a & bġ. Lifting Lug - Analysis of lifting lugs per 13th Ed. This program is a workbook consisting of two (2) worksheets, described as follows: The program will determine the ultimate strength of the lifting lug based on several checks and will apply the desired factor of safety to the strengths to attain allowable loads for the lifting lug. The user can enter a desired factor of safety (most applications, F.S.
'LIFTING_LUG' is a spreadsheet program written in MS-Excel for the purpose of analysis of lifting lugs, used in rigging operations.