...J.P. Giroud; A. Zhao; G.N. Richardson A new theoretical relationship that quantifies the reduction in hydraulic transmissivity resulting from a reduction in geosynthetic thickness is presented. It is shown that the proposed relationship is in good agreement with experimental data on geotextiles...

...J.P. Giroud; J.G. Zornberg; A. Zhao The present paper provides equations for the hydraulic design of liquid collection layers. A first series of equations gives the maximum thickness of the liquid collected in a liquid collection layer. These equations are used in design to check that the maximum...