8′ to 14′- made out of I4G (2 mm thick) HR sheet 40 x 40 x 6 “T”argle, 65 x 6 and 32×6 flats, 75 x 8 “L” angle and 10 mmroundrods.
Refer to the ready-reckoner to determine the type of span and spacing for various slab thickness:
Slab Thickness |
Total Load including 180 kg/Sq.M. for Shuttering and Live Load |
Permissible Clear Spans for Center Line Spacing |
mm |
Kg. Sq.M. |
300 m |
450 m |
600 m |
800 m |
900 m |
1150 m |
100 |
560 |
8050 |
6550 |
5690 |
5000 |
4650 |
4010 |
115 |
596 |
7800 |
6400 |
5510 |
4750 |
4470 |
3890 |
125 |
620 |
7570 |
6200 |
5330 |
4650 |
4340 |
3760 |
140 |
656 |
7310 |
5970 |
5160 |
4500 |
4190 |
3630 |
150 |
680 |
7110 |
5790 |
5000 |
4350 |
4090 |
3560 |
165 |
716 |
6880 |
5660 |
4870 |
4250 |
3960 |
3430 |
180 |
752 |
6730 |
5490 |
4750 |
4100 |
3890 |
3350 |
190 |
776 |
6550 |
5360 |
4620 |
4050 |
3780 |
3280 |
200 |
800 |
6400 |
5230 |
4520 |
3950 |
3680 |
3200 |
225 |
860 |
6150 |
5000 |
4340 |
3800 |
3530 |
3070 |
250 |
920 |
5920 |
4830 |
4140 |
3650 |
3380 |
2840 |