Laps & Bend Lengths Calc.xlsx

FOR ALL TOP BARS IN ANY STRUCTURAL ELEMENT INCLUDING WALL HORIZONTALS AND COLUMN VERTICALS THE LAP SHALL BE TYPE 1: CONC. MIX fck 20 25 30 35 40 & Above

BAR DIAMETER 8 456 392 360 320 288

10 570 490 450 400 360

12 684 588 540 480 432

16 1277 1098 1008 896 806

20 1596 1372 1260 1120 1008

CONC. MIX fck 20

8 456

FOR ALL OTHER BARS THE LAP LENGTHS SHALL BE TYPE 2: BAR DIAMETER 10 12 16 20 570 684 912 1140

25

392

490

588

784

980

30 35 40 & Above

360 320 288

450 400 360

540 480 432

720 640 576

900 800 720

BAR LAPPING LENGTH & BENDTH LENGT TOP BARS

AND COLUMN VERTICALS THE LAP LENGTHS

25 1995 1715 1575 1400 1260

32 2554 2195 2016 1792 1613

40 3192 2744 2520 2240 2016

25 1425

32 1824

40 2280

1225

1568

1960

1125 1000 900

1440 1280 1152

1800 1600 1440

BE TYPE 2:

BAR DIAMETER

LD

8 10 12 16 20 25 32 40

320 400 480 896 1120 1400 1792 2240

PANEL LENGTH 5150 5150 5150 5150 5150 5150 5150 5150

LAPPING LENGTH (FROM SUPPORT) +LAP LENGTH

2735 2775 2815 3023 3135 3275 3471 3695 BOTTOM BARS

BAR DIAMETER

LD

8 10 12 16 20 25 32 40

320 400 480 640 800 1000 1280 1600

PANEL LENGTH 5150 5150 5150 5150 5150 5150 5150 5150

LAPPING LENGTH (FROM SUPPORT) +LAP LENGTH

2037 2117 2197 2357 1717 2717 2997 3317

G LENGTH & BENDTH LENGTHS @ SUPPORTS TOP BARS BAR DIAMETER

LD

8 320 10 400 12 480 16 896 20 1120 25 1400 32 1792 40 2240 BOTTOM BARS BAR DIAMETER

LD

8 10 12 16 20 25 32 40

320 400 480 640 800 1000 1280 1600

LENGTH @ SUPPORT BEND SUPPORTS WIDTH (BEAM)

800 800 800 800 800 800 800 800

-335 -235 -135 314.5 585 915 1377 1905

LENGTH @ SUPPORT BEND SUPPORTS WIDTH (BEAM)

800 800 800 800 800 800 800 800

-335 -235 -135 58.5 265 515 865 1265

BEND LENGTH @ SUPPORTS (COLLUMN)

-320 -220 -120 329.5 600 930 1392 1920 BEND LENGTH @ SUPPORTS (COLLUMN)

-320 -220 -120 73.5 280 530 880 1280