Cofraplus 60 Load Span tables - PGA Consultants
Cofraplus 60 Load Span tables - PGA Consultants
Cofraplus 60 Load Span tables - PGA Consultants
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Arval<br />
Composite floor decks<br />
<strong>Cofraplus</strong> <strong>60</strong><br />
MESH REINFORCEMENT, SLAB DEPTH AND PROPPING REQUIREMENTS UNDER TYPICAL APPLIED LOADS<br />
These <strong>tables</strong> apply to simple cases where there are distributed loads and equal spans.<br />
Using the Cofra 4 software, our technical team can carry out composite floor deck studies in the shortest possible time.<br />
Single span<br />
L<br />
q = 2.50 kN/m 2<br />
L<br />
(cm)<br />
Up to 270<br />
from 270 to 310<br />
from 310 to 340<br />
from 340 to 3<strong>60</strong><br />
from 3<strong>60</strong> to 380<br />
from 380 to 400<br />
from 400 to 420<br />
from 420 to 430<br />
from 430 to 450<br />
from 450 to 470<br />
from 470 to 480<br />
from 480 to 490<br />
from 490 to 500<br />
from 500 to 510<br />
from 510 to 520<br />
from 520 to 530<br />
Number<br />
of props<br />
0<br />
1<br />
1<br />
1<br />
1<br />
1<br />
1<br />
1<br />
1<br />
1<br />
1<br />
2<br />
2<br />
2<br />
2<br />
2<br />
e = 0,75 mm<br />
AcM d TB<br />
(cm)<br />
PAF-R 10<br />
PAF-R 10<br />
PAF-R 11<br />
PAF-R 12<br />
PAF-R 13<br />
PAF-R 14<br />
PAF-R 15<br />
PAF-R 16<br />
PAF-R 17<br />
PAF-R 18<br />
PAF-R 19<br />
PAF-R 19<br />
PAF-R 21<br />
PAF-R 23<br />
PAF-R 25<br />
PAF-R 27<br />
q = 3,50 kN/m 2<br />
L<br />
(cm)<br />
Up to 270<br />
from 270 to 290<br />
from 290 to 320<br />
from 320 to 340<br />
from 340 to 3<strong>60</strong><br />
from 3<strong>60</strong> to 380<br />
from 380 to 400<br />
from 400 to 420<br />
from 420 to 430<br />
from 430 to 450<br />
from 450 to 4<strong>60</strong><br />
from 4<strong>60</strong> to 470<br />
from 470 to 480<br />
from 480 to 490<br />
Number<br />
of props<br />
0<br />
1<br />
1<br />
1<br />
1<br />
1<br />
1<br />
1<br />
1<br />
1<br />
1<br />
2<br />
2<br />
2<br />
e = 0,75 mm<br />
AcM d TB<br />
(cm)<br />
PAF-R 10<br />
PAF-R 10<br />
PAF-R 11<br />
PAF-R 12<br />
PAF-R 13<br />
PAF-R 14<br />
PAF-R 15<br />
PAF-R 16<br />
PAF-R 17<br />
PAF-R 18<br />
PAF-R 19<br />
PAF-R 23<br />
PAF-R 25<br />
PAF-R 27<br />
Single span<br />
L<br />
q = 5,00 kN/m 2<br />
L<br />
(cm)<br />
Up to 270<br />
from 270 to 290<br />
from 290 to 310<br />
from 310 to 320<br />
from 320 to 340<br />
from 340 to 350<br />
from 350 to 3<strong>60</strong><br />
from 3<strong>60</strong> to 370<br />
from 370 to 390<br />
from 390 to 400<br />
from 400 to 410<br />
from 410 to 420<br />
from 420 to 430<br />
from 430 to 440<br />
from 440 to 450<br />
Number<br />
of props<br />
0<br />
1<br />
1<br />
1<br />
1<br />
1<br />
1<br />
1<br />
1<br />
1<br />
1<br />
1<br />
1<br />
2<br />
2<br />
e = 0,75 mm<br />
AcM d TB<br />
(cm)<br />
PAF-R 10<br />
PAF-R 11<br />
PAF-R 12<br />
PAF-R 13<br />
PAF-R 14<br />
PAF-R 15<br />
PAF-R 16<br />
PAF-R 17<br />
PAF-R 18<br />
PAF-R 19<br />
PAF-R 20<br />
PAF-R 21<br />
PAF-R 22<br />
PAF-R 26<br />
PAF-R 28<br />
q = 8,00 kN/m 2<br />
L<br />
(cm)<br />
from 200 to 230<br />
from 230 to 250<br />
from 250 to 270<br />
from 270 to 280<br />
from 280 to 290<br />
from 290 to 300<br />
from 300 to 310<br />
from 310 to 320<br />
from 320 to 330<br />
from 330 to 340<br />
from 340 to 350<br />
from 350 to 3<strong>60</strong><br />
from 3<strong>60</strong> to 370<br />
from 370 to 380<br />
from 380 to 390<br />
Number<br />
of props<br />
0<br />
0<br />
1<br />
1<br />
1<br />
1<br />
1<br />
1<br />
1<br />
1<br />
1<br />
1<br />
1<br />
1<br />
1<br />
e = 0,75 mm<br />
AcM d TB<br />
(cm)<br />
PAF-R 10<br />
PAF-R 11<br />
PAF-R 14<br />
PAF-R 15<br />
PAF-R 16<br />
PAF-R 17<br />
PAF-R 18<br />
PAF-R 19<br />
PAF-R 20<br />
PAF-R 21<br />
PAF-R 22<br />
PAF-R 24<br />
PAF-R 25<br />
PAF-R 26<br />
PAF-R 27<br />
AcM : Anti crack Mesh<br />
TB : Top Bars<br />
Basis of table<br />
q = imposed load<br />
q = q 1 + g 1<br />
q 1 = imposed live load<br />
g 1 = imposed permanent load<br />
(partition wall, floor covering, suspended ceilings) taken<br />
into account as operating loads.<br />
e.g. : L = 3,50 m<br />
q 1 = 1,50 kN/m 2<br />
g 1 = 1,00 kN/m 2<br />
Consult the table : q = 2,50 kN/m 2 .<br />
Complementary assumptions :<br />
• Normal weight concrete 2400 daN/m 3<br />
L<br />
• Deflection at laying stage =<br />
240<br />
L<br />
• Active deflection in service =<br />
350<br />
• Shrinkage = 4 x 10 -4<br />
• Covering of top bars = 20 mm<br />
• Top Bars : yield point 500 MPa<br />
6<br />
PAF-R 12<br />
12 = slab depth d<br />
PAF-R = Anti Crack Mesh