Project
REINFORCED CONCRETE COUNCIL Made by
Okey
2-WAY SPANNING INSITU CONCRETE SLABS to BS 8110:1997 (Table 3.14)
Checked
m m
3.16 3.81
h mm 225 Top cover mm 40 Btm cover mm 40 LOADING characteristic Self weight kN/m² 5.40 Pressure kN/m² 55.00 Total Pressure kN/m² 55.00 Imposed, qk kN/m² 0.00 Design load, n kN/m² 49.60
Ø Layer @ As prov = S max Subclause DEFLECTION fs Mod factor Perm L/d
kNm/m mm
mm mm²/m mm²/m mm²/m mm
mm mm²/m % mm
Edge 1 Plan
EDGE CONDITIONS Edge 1 C C = Continuous Edge 2 C D = Discontinuous Edge 3 D Edge 4 D
Ly = 3.81 m
Edge 3
See Figure 3.8 and clauses 3.5.3.5-6
LONG SPAN y
EDGE 1 Continuous
EDGE 2 Continuous
EDGE 3 Free
EDGE 4 Free
BS8110 Reference
0.047 23.4 167.0 0.156 0.034 158.7 378 540 378 12 T1 200 565 0.339 513 (a)
0.034 16.8 167.0 0.156 0.024 158.7 272 540 272 12 T2 200 565 0.339 513 (a)
0.063 31.2 167.0 0.156 0.045 158.2 506 540 ~ 12 B1 200 565 0.339 513 (a)
0.045 22.5 167.0 0.156 0.032 158.7 362 540 ~ 12 B2 200 565 0.339 513 (a)
0.000 0.0 167.0 0.156 0.000 158.7 0 540 ~ 12 B1 200 565 0.339 513 (a)
0.000 0.0 167.0 0.156 0.000 158.7 0 540 ~ 12 B2 200 565 0.339 513 (a)
Table 3.14
183 1.959 50.93
131
244
175
0
0
10
mm
As req As prov T Additional As T req As prov B
Density kN/m³ 24 (Normal weight concrete)
gf= 1.00 gf= 1.00
VALID DESIGN
gc = 1.50 gs = 1.05
SHORT SPAN x
TORSION STEEL
Ø
STATUS
fcu N/mm² 25 fy N/mm² 410
6 Job No
-
© 1999-2003 BCA for RCC
MATERIALS
short span, lx long span, ly
Revision
Edge 4
DIMENSIONS
Page
May.2010
Lx = 3.16 m
Originated from RCC94.xls v2.1
MAIN STEEL ßs M d k' k Z As req As min As deflection
Date
Ground Floor Slab Panel 1
Edge 2
Client Location
3.4.4.4 Table 3.25
% Clause 3.12.11.2.7 Eqn 8 Eqn 7
Actual L/d
18.92
BOTH EDGES DISCONTINUOUS X Y
Asx enhanced 0.0% for deflection control • ONE EDGE DISCONTINUOUS X Y
540
mm²/m mm²/m mm² mm²/m
540
565 0 565
Table 3.10
565 0 565
3.5.3.5
565 0 565
565 0 565
Bottom steel not curtailed in edge strips at free edges
SUPPORT REACTIONS (kN/m char uno) EDGE 1 ßv Dead
kN/m
Imposed
kN/m
Vs
kN/m
(See Figure 3.10)
EDGE 2
EDGE 3
Sum ßvx = 0.786 Sum ßvy = 0.660
EDGE 4
,-
,-
,-
,-
0.472 81.96 0.00 73.9
0.396 68.82 0.00 62.1
0.314 54.64 0.00 49.3
0.264 45.88 0.00 41.4
equations 19 & 20
OUTPUT/SUMMARY PROVIDE MAIN STEEL ADDITIONAL TORSION STEEL X direction Y direction CHECKS Lx > Ly
OK
SHORT SPAN Y12@200 T1
LONG SPAN Y12@200 T2
EDGE 1 ,Y12@200 B1
EDGE 2 ,Y12@200 B2
CORNER 1
CORNER 2
CORNER 3
CORNER 4
EDGE 3 ,Y12@200 B1
EDGE 4 ,Y12@200B2
placed in edge strips
BAR Ø < COVER
SINGLY REINFORCED
MIN SPACING
MAX SPACING
OK
OK
OK
OK
Table 3.15
DEFLECTION
OK
GLOBAL STATUS VALID DESIGN
0
Project
#REF!
Location
2-WAY SPANNING INSITU CONCRETE SLABS to BS 8110:1997 (Table 3.14) Originated from RCC94.xls v2.1
Made by Okey Job No Date May.2010
© 1999-2003 BCA for RCC
APPROXIMATE WEIGHT of REINFORCEMENT SUPPORT WIDTHS (mm)
GRIDLINE
0
0
0
0
WIDTH
300
300
300
300
Spacing
No
Length
Unit wt
Weight
TOP STEEL
Type
Dia
Across grid 0 Across grid 0 Across grid 0
R R R
12 12 12
@ @ @
200 200 200
18 15 18
800 975 850
0.888 0.888 0.888
12.8 13.0 13.6
Across grid 0
R
12
@
200
15
850
0.888
11.3
Along grid 0 Along grid 0 Along grid 0 Along grid 0
R R R R
12 12 12 12
@ @ @ @
200 200 200 200
4 5 3 3
3275 2775 3275 2775
0.888 0.888 0.888 0.888
11.6 12.3 8.7 7.4
Torsion bars
R
10
0
0
0.617
0.0
BOTTOM STEEL Short span - middle edges Long span - middle edges
R R R R
12 12 12 12
15 4 12 4
2725 3425 3425 3925
0.888 0.888 0.888 0.888
36.3 12.2 36.5 13.9
SUMMARY Reinforcement density (kg/m³)
64.3
@ @ @ @
200 200 200 200
Total reinforcement in bay (kg)
190
Disclaimer All advice or information from the British Cement Association and/or Reinforced Concrete Council is intended those who will evaluate the significance and limitations of its contents and take responsibility for its use application. No liability (including that for negligence) for any loss resulting from such advice or informatio accepted by the BCA, RCC or their subcontractors, suppliers or advisors. Users should note that all B software and publications are subject to revision from time to time and should therefore ensure that they ar possession of the latest version.
This spreadsheet should be used in compliance with the accompanying publication 'Spreadsheets for concr design to BS 8110 and EC2' available from British Cement Association, Telford Avenue, Crowthorne, Berks RG45 6YS.
Status of spreadsheet Public release version. Revision history RCC94 Two-way Slabs (Tables)
Date
Version
22-Jan-03
RCC94 v2.1
11-Oct-02
RCC94 v2.0
22-Jun-00
RCC94 v1.3
8-Jun-00
RCC94 v1.2
24-Mar-00
RCC94 v1.1
6-Aug-99
RCC94 v1.0
mation from the British Cement Association and/or Reinforced Concrete Council is intended for valuate the significance and limitations of its contents and take responsibility for its use and iability (including that for negligence) for any loss resulting from such advice or information is BCA, RCC or their subcontractors, suppliers or advisors. Users should note that all BCA blications are subject to revision from time to time and should therefore ensure that they are in latest version.
should be used in compliance with the accompanying publication 'Spreadsheets for concrete 10 and EC2' available from British Cement Association, Telford Avenue, Crowthorne, Berkshire
This spreadsheet is shareware. It may be distributed freely, but may not be used for commercial purposes until the user has registered with the RCC. RCC94 Two-way Slabs (Tables)
Action
Size (kB)
DETR logo replaced by DTI.
206
Version 2 enhancements Orientation warning added at MAIN:Q21 (N Thomas) Conditional formating Main!K10:P19 altered MAIN:D34 etc corrected to include As min. MAIN:F46 moved to correct position, MAIN:D64-D67 reformatted, continuity hatching added to diagram. First public release. Includes b version comments
224 136 135 135 136
