7/25/2019 0 4 Reinforced Concrete Beam Design B1000-400
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RC Beam Design Example 1
einforced Concrete Beam Design Example - 1
Design of a RC pipe lintol buried in soil and subject to long
term water contact.Refs Output
EC2 DATA
Effective Span of Beam, ! "m# Concrete Compressive Strengt$
Class ! C"%&'(#fc) ! "%*&mm
"# f+) ! %((*&mm" # b ! '((mm# $! ""%mm
C$aracteristicDead oad, D ! 1-)*&mC$aracteristicmposed oad,
D ! 1")*&m
/ain Bar =1"mm, in) Bar =-mm
DU ABILITY & I E E!I!TA"CE
T 4.1 Exposure Class ! 0C"Reuired 2ire Resistance ! 3(mins
T NA2 *ominal Cover for Durabilit+, cnom! "% 4 1( ! '% mm 56
/ain Bar 4 1( ! 1"41( !"" mm7
T 5.2a 8xis Dist ! "%mm, a 9 cnom4 lin) 4: main bar *ominal
Cover, cnom ='%mmBS EN
1992-1-2 Effective Dept$ of Beam, d ! $ ; cnom; lin) : main bar!
""% ; '% ; - ; 3 ! 11- ! '3 )* ?)=otal C$aracteristicmposed oad !
">1" ! "@ )* A)
EC 0 Design ltimate oad, 2 ! 1.'%D 4 1.% (= 1.35Gk + 1.5Qk) 2 !
1.'%>'3 4 1.%>"@ ! [email protected] )* F = [email protected] )*
#E"T % UL!
Design ltimate /oment, /Ed! 2&- ! [email protected]>" & - ! "1."
)*m 5sagging7 MEd= "1.")*m! /Ed&bd"fc)!
"1.">1(3&'((>11'((>1'((>1
7/25/2019 0 4 Reinforced Concrete Beam Design B1000-400
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RC Beam Design Example 1
Service stress, s! @'% > 5?) 4 (.'>A)&1.'%>?) 4
1.%>A)7 > 58s re&8s prov7
s! @'% > 5'34 (.'>"@ &1.'%>'3 4 1.%>"@7 >
5'(%&''7 ! "(( *&mm"
= %.3 /ax bar ! "% mmand max bar spacing ! "%(mm (safely
225mm)1" "%mm and 1(1 "%( 5""%7mm Crac)ing OK
!(EA % UL!
Design value of t$e applied S$ear 2orce, JEd! 2&"!
[email protected]&" ! @".')* (support reactions)bw = b = 300 mm
Design S$ear Stress, vEd!VEd&bw(. d ! @".' > 1('& '((
> (. > 1fc)(.%> bw& %(( ! (.(- >"%(.%> '(( &
%(( ! (."@(mm"&mm
Asw&s (.(- >fc)(.%> bw& %((
(.-(@ 6(."@(mm"
&mm 8sw&s K
1 1(( ! (.%
