Tag:drainage system

№2|2010

PROBLEMS, PERSPECTIVES

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UDC 628.16.067.1

Filatov A. I., SHAPOVALOV V. I., RAJKIN L. L.

Design Features and Experience of Porous Drainage Systems Operation in High-Rate Filters

Summary

Design features and multiyear experience in operation of porous drainage systems of two types in high-rate filters are expounded. Drainages ensure a high level of uniformity of washing across the filters’ area.

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№04|2015

SURFACE RUNOFF TREATMENT

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UDC 627.8.034.96.001.575

Voronov I. V., Shirkova T. N.

Designing drainage systems of flooded areas on the basis of computer simulation

Summary

To make hydrogeological calculations of drainage systems for protecting territories from floods the methods of analogy, analytical and computer simulation are used. The method of computer simulation as applied to designing drainage systems on the territory of the Imeretinskaia Lowland of the Krasnodar Area is closely considered. The analysis of the model map of ground water depth after territory upfilling and building development provided for identifying the areas to construct the systems of engineering protection from floo­ding. The basic design solution of reducing ground water level on the flooded territories is constructing horizontal subsoil pipe drainage with filtering bedding or radial horizontal drainage. Depending on the results of the mathematical simulation of the hydrogeological conditions on the protected area and hydrogeological calculations pipe drainages of perimeter, linear or systematic (areal) type are constructed. Ground water by gravity is diverted into open-channel flows provided the proper ecological justification is available. As may be required automated drainage pumping over stations are established. The developed concept allows reducing and maintaining ground water level at the permissible depth.

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