John Gumbel

Centrifuge modeling of soil load transfers to flexible sewer liners

Robert J. Mair, Aleksandar Spasojevic, John Gumbel, 2003 .

Experimental Studies of Soil Load Transfer to Flexible Sewer Liners: Latest Results and Implications for Design

Robert J. Mair, Aleksandar Spasojevic, John Gumbel, 2004 .

Centrifuge modelling of the effects of soil loading on flexible sewer liners

Robert J. Mair, Aleksandar Spasojevic, John Gumbel, 2007 .

New Approach to Design of Circular Liner Pipe to Resist External Hydrostatic Pressure

John Gumbel, J. Gumbel, 2001 .