Scope: To develop a method for the hydraulic calculation of composite cavity-free drains in transient mode. Previously, a methodology was proposed for the hydraulic calculation of composite cavity-free drains, but only in the laminar regime, which takes place in a finer aggregate than the crushed stone used in the ballast prism. Methods: The cavity-free drainage is used in agriculture, engineering flood protection and environmental pollution control systems. There are proposals for effective dewatering and increasing the bearing capacity of railway and road beds to use continuous drains with different shapes of live cross-sections, including a composite profile. By replacing the composite profile of the live section with an equivalent rectangular one, the resulting differential equation is reduced to the previously solved analogous equation for the rectangular cross section. Results: Calculated dependencies for determining the water depth in the composite cavity-free drainage system and the spacing of the collectors in the case of two-way drainage inlets have been obtained. Practical relevance: The proposed calculation method will make it possible to justify the sizing of cavity-free drains, leading to a rational use and saving of the drainage fill material.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Hydraulic Design of a Component Cavity-Free Drains at Transient Water Flow in the Aggregate


    Additional title:

    Lect. Notes in Networks, Syst.


    Contributors:

    Conference:

    International Scientific Siberian Transport Forum ; 2021 May 11, 2021 - May 14, 2021



    Publication date :

    2022-03-19


    Size :

    10 pages





    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English





    Hydraulic aggregate

    KLAHM HARALD / LIEDTKE FRANK | European Patent Office | 2015

    Free access

    Pillar drains for holding banks

    Cudworth, W.J. | Engineering Index Backfile | 1904


    Indiana Switches to Edge Drains

    Hassan, H. F. / White, T. D. / McDaniel, R. et al. | British Library Online Contents | 1996


    Drains, strains and fuel gains

    Automotive engineering | 1997