![]() ![]() ![]() Merely move the mouse pointer to the desired cell to view the contents of that particular "comment box". (Note: presence of a “comment box” is denoted by a “red triangle” in the upper right-hand corner of a cell. ![]() This program contains numerous “comment boxes” which contain a wide variety of information including explanations of input or output items, equations used, data tables, etc. In which case, the required lap splice length is 1.3 x development length but not less than 12 inches. The "Rebar Data" worksheet contains tables of reinforcing bar data which include various bar properties, reinforcing bar areas based on spacing, tension development and splice lengths for straight bars, tension development lengths for 90 degree standard hooks, tension lap splice criteria, compression development and splice lengths for straight bars, maximum spacing for column ties, and various plain welded wire fabric properties.Ĥ. ACI 318-14 Table 25.5.2.1 or ACI 318-11 Table R12.15.2 In the most common cases, the tension lap is considered Class B. A complete table of reinforcing bar development and splice lengths is also created for #3 through #18 bars.ģ. The "Calc Development" worksheet, for a given reinforcing bar size, determines the straight development and splice lengths for a "top" bar and an "other" bar in tension, the straight development and splice lengths for the bar in compression, and the tension development length of the bar as a standard hook, all at one time. This program follows the procedures and guidelines of the ACI 318-11 Building Code, Chapters 12 and 21.Ģ. This program is a workbook consisting of three (3) worksheets, described as follows:Ĭalc Development - Reinforcing Bar Development and Splice Lengthsġ. This version is based on the ACI 318-11 Code. There is also a worksheet which contains reinforcing bar data tables. The provisions for development and splice lengths are included for high seismic risk applications per ACI 318-11, Chapter 21. Also, the development length for standard hook bars is determined. Specifically, the development lengths and splice lengths for straight bars in tension as well as compression are determined. "REBARS" is a spreadsheet program written in MS-Excel for the purpose of determining reinforcing bar development and splice lengths. It is shown that (1) well-confined lap splices relocate the plastic hinge above the lap splice, (2) lap splices with adequate lengths but insufficiently confined attain the peak force but their deformation capacity is significantly reduced, and (3) short and not well-confined lap splices fail before reaching the strength capacity. "REBARS" - REINFORCING BAR DEVELOPMENT AND SPLICE LENGTHS ![]()
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