aircraft hangar,arched roof,k span building
Live load can reach 75KG/m2
Single span can reach 38m
Snow load can bear 80cm thick
Wind pressure can be ignored
The biggest single span we could reach now is 37.5m,the special steel roofing sheet is TS280GD,a kind of low alloy steel plate,which is only made from Baosteel.It contains Manganese and Aluminum that could make the roof stronger and more flexible.

Advantages for the k span aircraft hangar:
1.it has large span(6-38m  for your choice),no beam and purlin,no support,which creates vast and excellent internal spacing.

2.low cost,the roof covering integrate the heat insulation,heat insulation,ventilation,lighting together to form a uniform system

3.construction period is short,10000 square meters of roof covering can be complete within about 15-20 days

4.light weight and good apparance,long service life for about 60 years

5.it will not leak because there is no rivet,no welding on the roof.