JHA PARTNERSHIP
Job No:
Consulting Civil & Structural Engineers
Designed by Checked by DH
$itle
J1339
te%
#1 Na%ly cres
Date
Sheet No
13!"ct!1#
JH
Car 'orch cano'y (C)1
Beam Sectional Property De'th *d*
+,, %%
/idth *b*
3#, %%
Cover to' & )otto%
3, %%
Side Cover
3, %%
0id S'an 0o%ent 0o%ent
0
Shear
S'an
-
. %
.,2,, kN%
4 cu
3#
N7%%(
(3,2,, kN
4 y
.+,
N7%%(
Design of Bottom Reinforcement due to - id Span oment E44ective de'th d
#3# %% %%
E44ective De'th d
#3# %% %%
5 6 07bd8(4cu
6
,211+ "k "k
6 d,2#;7,2(#!57,29<<
.#3 %%
?1
0rc 6
,21#+=>cu=b=d71,8+
11 %%
#.@2 #. @2, , kN kN% %
s*601!0rc7d!d*<,2@4y6
!@11 !@1 1 %%8(
s607,2@=4y=
A )otto% st reuired
((.9 %%
d* 6
(.3 %%(%i%2 r74<
(
)otto% $ension r74 B %id s'an
$o' Co%'2 r74 B %id s'an
-ayer 1
-ayer (
-ayer 1
)ar Dia
(#
1+
13
No2 o4 bars
.
(
)otto% st 'rovided
!"## %%
.@ %%
((.9 %%(
6
3
(
(
!!$% %% )otto% st reuired<
A
$T!& ' !T(#
Hence "5
$o' sc 'rovided
"%) %%(
*
"T("
-+(( mm,! Top Asc re.uired/
Hence 01
Design of 2ertical 2ertical S3ear Reinforcement4 st B su''ort
(3++ %%(
$ension r74 B su''ort
1,,s
1,, ? (3+#
-ayer 1
-ayer (
bd
3#, ? #3#
(#
1+
12(+
.
(
6
νc
6
173
17.
,2@91,, s7bvd< .,,7d< 7γ % ,2@+ N7%%(
6
ν
e442 De'th *d* B su''ort
#3#2, %%
(3, ? 1,83 7 3#, ? #3#< 12(3 N7%%(
,2@+ N7%%(
A
ν − ν c 6
,2.+ N7%%
(
A ,2. Shear rein4orce%ent reuired Design for S3ear 5in6s Area Re.uired sv Geuired
3#, ? 1,,12(( ! ,2@+< ,2@ ? .+, 3(2.+ %%(
6 -inks Dia No2 o4 -inks
1, %% 1
S'acing
1,, %% c7c
4 yv
.+, N7%%(
sv rovided rovided Shear -inks
6
1#@2, %%(
T(78(77mm c9c
A
3(2.+ %%(
s "5
:3ec6 for deflection Service stress 4 s
0odi4ication >actor )asic s'an7de'th ratio
#=4 y= s re=
1
1,,s*
= s 'ro
βb
bd
6
(@3
6
,29 (+
1,, ? 39 3#, ? #3# 6
12,@
,2(1
Job No: Designed by Checked by
Date
13!"ct!1# $itle
te%
$orsional 0o%ent $
.+2,, kN%
νt
($ h(%in h%a? ! h%in73< 12## N7%%(
6 >ro% )S 11,: art ( $able (23
νt%in
,2., N7%%(
6
ν ; νt
6 12(( ; 12##
(2@ N7%%(
6
νtu
F
6
.2@3 N7%%(
Section is su44icient 6
12(3 N7%%(
A
νc 6
,2@+ N7%% (
νt 6
(
A
νt%in
,2., N7%%(
ν
12## N7%%
Design for s3ear and torsion reinforcement >or 1,, %% s'acing o4 links the area o4 links to resist torsional shear i s sv
1,, ? .+ ? 1,8+ ,2 ? (, ? #3, ? ,2@ ? .+, 6
%%(
9+2(
$he total area o4 one leg o4 a link is 9+29 ; 3(2#<7(
+.2+# %%(
6
@9 %%(
rovided links $1, %% ith an area o4
+.2@ %%(
A Hence "k $he s'acing %ust not e?ceed the 4olloing: ?1
6
y17(
6
(, %% (+# %% or
(,, %%
$he s'acing o4 1,, %% is satis4actory $he area o4 longitudinal rein4orce%ent s
9+2 ? .+,(, ; #3,< 1,, ? .+, @.23 %%(
6
$his area is to be di stributed eually around the 'eri%eter2 Arrangement of reinforcement $he clear distance beteen longitudinal bars reuired to resist torsion is not e?ceed 3,, %% 0ini%u% nu%ber o4 bars reuired along the de'th 6
1
0ini%u% nu%ber o4 bars reuired along the idth 6
(
Side 4ace rein4orce%ent )ar dia No o4 )ars
1, (
A
1 No2 %ini%u% reuired
+ bars ith a theoritical area o4 @.237+ 6 13,2@(%%8( dditional r74 on $ension side
(+1 %%(
dditional r74 on Co%'ression side
(+1 %%(
$otal r74 reuired on $ension side
!&(( %%(
(+( ; ((.9< $otal r74 reuired on co%'ression side
A
!"## %%(
$ension r74 area 'rovided not satis4actory !#! %%(
A
"%) %%(
Sheet No
de'th /idth h%in h%a? y1 ?1 con1 con( con3 con.
+,, 3#, 3#, +,, #3, (,
acKlink
3(2.+
Design 4or No%inal Shear rein4orce%entL no torsion rein4orce%ent i Design 4or Shear rein4orce%entL no torsion rein4orce%ent is reuire Design 4or torsion rein4orce%ent only Design 4or shear and torsion rein4orce%ent
reuired
