When reinforcing bars are bent, caution mustfor the different bar sizes and for the variousbe exercised to ensure the bends are not too sharp.types of hooks. These bending details are shownIf too sharp a bend is put into the bars, they mayin figure 7-12. There are many different types ofcrack or be weakened. Therefore, certainbends, depending on where the rods are to beminimum bend diameters have been establishedplaced. For example, there are bends on heavyFigure 7-12.-Standard hook details.7-9
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