This Architectural Drawing is AutoCAD 2d drawing of Details of Spiral ties in Column in AutoCAD, dwg file. The main function of ties and spirals in the column is only to resist the shear force in the columns. The basic purpose of wearing a tie is to convey that you possess certain desirable attributes, eg, trustworthiness, reliability, dependability. Ties are a visual statement of who you think you are (even if you're not there yet). For more details and information download the drawing file.