Summary:

For the assurance stability of the ground hydroengineering buildings (structures),it is indispensable to base real filtration conditions of these objects. On the base of computer results of calculation filtrations parameters, and comparative reserches on the phisical model, has been consolidated relations beetwen spatial and flat hydrodynamic pressured filtration, determined under the same hydrogeologic conditions. These relations let to consolidate the real value of hydrodinamic filtrations made on flat models, by passing over in the most important areas, real spatial character of filtration.