University of Tabriz Journal of Civil and Environmental Engineering 2008-7918 44 75 2014 09 22 A Simple Method to Calculate Seepage from the Foundation of Earth Dam with Combination of Cut off Wall and Blanket A Simple Method to Calculate Seepage from the Foundation of Earth Dam with Combination of Cut off Wall and Blanket 87 93 2507 FA Ali Ghanbari Faculty of Civil Engineering, University of Kharazmi Sajjad Zaryabi Faculty of Civil Engineering, University of Kharazmi Journal Article 2013 06 28 Earth dam Blanket Cut off wall seepage control Foundation seepage control https://ceej.tabrizu.ac.ir/article_2507_990cb4975d1827682edfc4bed9e780fd.pdf