ICG 9 - 2010 Guarujá Brazil - Volume 4 - Geosynthetics: Advanced Solutions for a Challenging World Effects of negative pore air pressure in backfill soil on seismic behavior of geosynthetic-reinforced soil and conventional type retaining walls.pdf J. Koseki, K. Hong, K. Watanabe, M.Tateyama, S. Mulmi, S. Nakajima Access