BS8110-RC-Beam-Design.xls

d'

0.45fcu x

d

0.9x

0.87fyAs'

0.405 b x fcu

h 0.87fyAs

b

b

BS8110

300

h φ As φ As' fy fyv fcu cb$%%$m c%$)

500 20 16 460 460 40 40 40 d d'  '

450 48 0.2058 0.156

mm



500 kNm

mm mm mm mm N/mm2 N/mm2 N/mm2 mm mm



100 kN

sv φ Asv

650 mm mm 16 mm

mm mm

P!"s! #$%!& # %h! d(!c%$# $f %h! s)"#* sv sh$ud #$% !xc!!d 0.75d. A% (+h% "#+!s %$ %h! s)"#* h$(,$#%" s)"c#+ sh$ud b! such %h"% #$ $#+%ud#" %!#s$# b"( s m$(! %h"# 150mm f($m " v !(%c" !+ $f " #k- %hs s)"c#+ sh$ud #$% !xc!!d d # "#y c"s!.

"d! us#+ c$v!(. c$v!(. "# b! m$df!d m"#u"y m"#u"y "d! us#+ c$v!(. c$v!(. "# b! m$df!d m"#u"y m"#u"y

Assuming Assumi ng <10% redistribution

0.2058  0.156 Compression reinforcement is required

, 0.95d

349.60 427.5

mm mm

h!(! #$ c$m)(!ss$# (!#f$(c!m!#% s (!u(!d

 As

3461

h!(! c$m)(!ss$# (!#f$(c!m!#% s (!u(!d

 As'

752

mm2 mm2

%$) m"% b$%%$m m"%

4 12

v γ m 100As/bv d 400/d fcu/25 fcu /25 1/3 1/3

0.74 1.25 2.564 1.000 1.1696 1.1 696070 070953 953

#$% %$ b! m$(! %h"# 3 #$% %$ b! !ss %h"# 1 #$%% m$(! %h"# #$ %h"# 40N/m 40N/mm2 m2

1.01 5.0

N/mm 2 N/mm 2 m# $f  0.8fcu0.5

c$m)(!ss$# (!#f 

vc

 Asv #ks

19490 1

%!#s$# (!#f  16 20

mm bars mm bars

N/mm 2

mm2 16

mm !in"s

N$%!& f$( b!#% u) b"(s- (!v! BS8110 3.4.5.6 3.4.5.6

"s$ m$df!d f$( c$#c(!%! +("d! $(

5