Adjustable Steel Spans consist of an outer & an inner in which the inner is slided into the outer sideways to vary the length. Spans have a high load baring capacity and is most commonly used for slab support, as they are vary economic and excessively us user friendly. They are designed in such a manner that any inner can be used with any outer to acquire desired length.

1839	2700	32
2390	3450	36
2400	4270	41
3036	4750	47
3200	4850	48
3200	5550	56

LOADING TABLE
Moment of resistant of span = 1040 kg m
D.L. = Thickness of slab x density of concrete (2.50 t/m3)
L.L. = Live laod
S.L. = Shuttering Load

100 mm	750 kg/ m2	5.0	4.3	3.5	3.1
125 mm	810 kg/ m2	4.8	4.1	3.4	3.0
150 mm	875 kg/ m2	4.6	4.0	3.2	2.9
175 mm	940 kg/ m2	4.4	3.8	3.1	2.8
200 mm	1000 kg/ m2	4.3	3.7	3.0	2.7
225 mm	1060 kg/ m2	4.2	3.6	3.0	2.6
250 mm	1125 kg/ m2	4.1	3.5	2.9	2.5
275 mm	1190 kg/ m2	4.0	3.4	2.8	2.4
300 mm	1250 kg/ m2	3.8	3.3	2.7	2.4