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Tab(e Cross-sectionalareasof barsat specific spacings in mm2perm width:bar size bar spacing. mmmm 50 75 100 125 150 175 200 250 3006* 566 377 283 226 188 162 141 113 948 1 066 670 503 402 335 287 251 201 16810 1 570 1 047 786 628 524 449 393 314 26212 2262 1 508 1131 905 754 646 565. 452 37716 4022 2681 2011 1 608 1 340 1149 1 005 801 67020 4189 3142 2513 2094 1795 1571 1257 1047

25 6545 4909 3 27 3 72 2 805 2 54 1 963 1 63632 8042 6 34 6 62 4 96 4 21 3 217 2 8140 10 053 8 78 7 181 6 83 5 027 4 18950 13 090 11 220 9 617 7854 6545

non-prcfercdsizes but given forsakeorconiplctcncss

Table7 Cross-sectionalareas in square millimetresofspecificnumbers of bars (and perimeters)size number ofbars perimetermm 1 2 3 4 5 6 7 8 9 10 mm6 28.3 56.5 84.8 113 141 170 198 226 255 283 18.858 50.3 100 151 201 251 302 352 402 452 503 25.1310 78.5 157 236 314 393 471 550 628 707 785 34.1212 113.1 226 339 452 566 679 792 905 1 018 1131 37.7016 201.1 402 603 804 1005 1 206 1 407 1 608 1 810 2011 50.2720 314.2 628 942 1 257 1 571 1 885 2 199 2 13 2 827 3 142 62.8325 490.9 982 1473 1963 2454 2945 3436 3927 4418 4909 78.5432 804.2 1 608 2 13 3 217 4 21 4 25 5 630 6 34 7 238 8 42 100.540 1257 2513 3770 5026 6283 7540 8790 10053 11310 12566 125.750* 1963.5 3927 5890 7854 9812 11781 13744 15708 17671 18635 157.1

non-preferredsizes,butgiven forsskeof ompleteness

Table 8 Actualsizeofdeformed bars

nominalbarsize 6 8 10 12 16 20 25 32 40maximumbarsize a 8 11 13 14 19 23 29 37 46

IStructEDetailingManual 19