Based upon project investigation and practice,the author discusses the cause of leakage of reinforcement concrete sloping roof,and put forward some leaking-proof methods in construction management.

Prevention measures were applied based on analysis on the possible seepage causes before construction of sloping roof.

The roofing of Hubei Theater is built as pitched roofing by following the various elevations.

In order to investigate the distribution characteristics of the mean wind pressure and the fluctuating wind pressure on the inclined long-span flat roof in complex circumstance, an actual construction was employed to measure its pressure by applying a rigidity model.