New Slab Design

8/2/2019 New Slab Design

1/6

Design of Slab Check for Deflection

1 139.7 127 6.300 3.680 1.712 Design Twoway Slab Two adjacent Edge Discontinou 4 Negative Moments at continious edge 1.5 1.75 0.075 0.084

2 139.7 127 4.090 3.680 1.111 Design Twoway Slab Two adjacent Edge Discontinou 4 Negative Moments at continious edge 1.1 1.2 0.053 0.06

3 127.0 114.3 6.300 4.600 1.370 Design Twoway Slab One Short Edge Discontinous 2 Negative Moments at continious edge 1.3 1.4 0.051 0.055

4 139.7 127 4.600 4.090 1.125 Design Twoway Slab One long Edge Discontinous 3 Negative Moments at continious edge 1.1 1.2 0.044 0.052

5 139.7 127 6.300 4.980 1.265 Design Twoway Slab One Short Edge Discontinous 2 Negative Moments at continious edge 1.2 1.3 0.048 0.051

6 139.7 127 6.300 5.000 1.260 Design Twoway Slab Interior Panels 1 Negative Moments at continious edge 1.2 1.3 0.043 0.0477 127.0 114.3 6.300 4.190 1.504 Design Twoway Slab One long Edge Discontinous 3 Negative Moments at continious edge 1.5 1.75 0.067 0.077

8 127.0 114.3 5.000 3.280 1.524 Design Twoway Slab Two adjacent Edge Discontinou 4 Negative Moments at continious edge 1.5 1.75 0.075 0.084


10 127.0 114.3 5.000 4.090 1.222 Design Twoway Slab Interior Panels 1 Negative Moments at continious edge 1.2 1.3 0.043 0.047

11 127.0 114.3 4.190 4.090 1.024 Design Twoway Slab One Short Edge Discontinous 2 Negative Moments at continious edge 1 1.1 0.037 0.043


13 139.7 127 5.490 5.000 1.098 Design Twoway Slab Two adjacent Edge Discontinou 4 Negative Moments at continious edge 1 1.1 0.047 0.053

One way Slab8 127 114.3 7.620 3.500 2.177 Design Oneway Slab

Cantilever Slab9 203.2 190.5 2.05 Design Cantilever Slab

At Every discontinious Edge of slab: Anchorage length for 8mm Dia = 75mm 90o

hook

10mm Dia = 100mm 90o

hook

Lower

value

Lower

value

for x

Upper

value

for x

Overall

depth

(D)

Type of Slab

lx

End Condition FOR Slab

Panel

Descrip

tion for

room

ly/lxly

d(As

sume

d)

End condition Row Upper

value

Page 1


2/6

Page 2


3/6

fck= 20 fy= 415Spacing

of

bars(mm)al

ong

0.0826 0.047 4.49 2.50 10.489 11.737 6.676 65 55 624.21 419.47 10 78.54 125 10 78.53981634

0.0538 0.047 4.49 2.50 10.489 7.642 6.676 53 43 503.67 543.41 10 78.54 150 10 78.53981634

0.0538 0.037 4.18 2.50 10.013 11.395 7.839 64 54 615.04 501.24 10 78.54 125 10 78.53981634

0.0460 0.037 4.49 2.50 10.489 8.067 6.492 54 44 517.49 511.11 10 78.54 150 10 78.53981634

0.0500 0.037 4.49 2.50 10.489 12.994 9.625 69 59 656.78 569.63 10 78.54 125 10 78.53981634

0.0454 0.032 4.49 2.50 10.489 11.905 8.391 66 56 628.65 522.83 10 78.54 125 10 78.539816340.0671 0.037 4.18 2.50 10.013 11.802 6.504 65 55 625.95 407.31 10 78.54 125 10 78.53981634

0.0759 0.047 4.18 2.50 10.013 8.173 5.063 54 44 520.90 395.40 10 78.54 150 10 78.53981634

0.0639 0.047 4.18 2.50 10.013 6.880 5.063 50 40 477.92 439.87 10 78.54 175 10 78.53981634

0.0439 0.032 4.18 2.50 10.013 7.353 5.360 52 42 494.06 446.79 10 78.54 150 10 78.53981634

0.0385 0.037 4.18 2.50 10.013 6.443 6.197 48 38 462.48 561.09 10 78.54 175 10 78.53981634

0.0656 0.047 4.18 2.50 10.013 11.534 8.262 65 55 618.79 524.48 10 78.54 125 10 78.53981634

0.0529 0.047 4.49 2.50 10.489 13.866 12.324 71 61 678.47 702.26 10 78.54 125 10 78.53981634

4.43 5.00 1.303 1.497 22 14 577657 522 525.52 152.40 8 50.265 100 8 50.26548246

6.33 5.00 16.995 43.911 126 116 1207 305 10 78.54 75 8 50.26548246

Mx

(KN/m)

My

(KN/m)

Area of

Each

Bar

(mm2)

d(Cal

culate

d)

d'

Aty

(mm2)

Dia of

Bars

along

Shorter

Atx +

(mm2)

Atx -

(mm2)

Dia of

Bars

along

Longer

D.L.y L.L.

Area of Each

Bar (mm2)

xWfd

(KN/m2)

Discrimn

amt

Page 3


4/6

Page 4


5/6

Spacing

of bars(mm)

along Longer

Span

175 628.3185 238.316 1.772 46.072 28.976 Safe in Deflection





150 628.3185 240.012 1.756 45.646 39.370 Safe in Deflection200 628.3185 238.979 1.650 42.897 36.658 Safe in Deflection







325 502.6548 0 4.526 117.676 30.621 Safe in Deflection

175 1047.198 0 2.434 17.037 10.761 Safe in Deflection

L/d

Allowable

L/d

(=)

s A provided Remarks

Page 5


6/6

Page 6

New Slab Design

Documents

Transcript of New Slab Design