ABCDEFGHIJKLMNOPQRSTUVWXYZ
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al fajer consultants
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PROJECT
:
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JOB NO.
:1.1
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LOCATION
:
Moorabool and Wuri and Colac
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SLAB TYPE
:
One Way Slab
(Double Slab)
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PREPARED BY
:
GB Rds Eng PE0002148
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A.
LOADINGS
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Self-weight of slab
=4.5
KN/m2
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total SDL=1.5
KN/m2
11
Brickwall=0,00
KN/m2
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Dead Loads
92289,00
KN/m2
1 denotes discontinuous
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# denotes continuous
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Live Loads=10,00
KN/m2
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1000
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Design Loads
=129220,60
KN/m2
(Downward)
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11
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B.
INPUT DATA
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fcu=25
N/mm2
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fy=500
N/mm2
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Thickness of slab
h=125
mm
1 1
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Short span,
lx=
clearspan
+
wall thkness
11
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=1000
mm
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Concrete cover,
c1=25
mm
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Dia.of reinf.in short span
Ds=10
mm
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Effect. depth in short span
ds=
h - c1 - Ds/2
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95,0
mm
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C.
REINFORCEMENT
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SHORT SPAN
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Hogging Moment
M=
Design loads * (lx^2 / 8 or coeff. from Table 3.13)
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=129220,6 *na=0,00
KNm
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Sagging Moment
M=129220,6 *0,125 =16152,58
KNm
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k=71,590
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zx= 0.95*dsor#NUM!
* ds whichever is smaller
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=#NUM!
mm
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Required,
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Hogging Moment
Asx=
Msx/0.95*fy*zs
or
0.13% of bh (one face - tensile)
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=#NUM!
mm2/m
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Sagging Moment
Asx=#NUM!
mm2/m
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Provide,
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Hogging rebar
Asx=201
mm2/m
T8 -250 c/c
Support
#NUM!
Other types
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Sagging rebar
Asx=393
mm2/m
T10 -200 c/c
Midspan
#NUM!A10
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LONG SPAN
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Min. rebar 0.13% of bh
=163
mm2/m Tensile face
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Provide,
Asy=201
mm2/m
T8 -250 c/c
Midspan
O.K
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Top & Bottom
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D.
DEFLECTION
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Actual,
lx/ds=10,5
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Allowable,
lx/ds=20 x#NUM!
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=#NUM!#NUM!
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E.
SHEAR STRESS
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Shear stress in short span
vs=
V / b * ds
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=680,11
N/mm2
> 0.8*sqrt(fcu)
fail
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100Asx/b/ds
=0,21
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vcs=
vc*(fcu/30)^1/3
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0,54
N/mm2
< vs
fail
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