University of Tabriz Water and Soil Science 2008-5133 25 4/2 2016 02 20 Investigating Experimentally the Effect of Installation of Piers Group on Foundation on Scour Depth Around Bridge Piers Investigating Experimentally the Effect of Installation of Piers Group on Foundation on Scour Depth Around Bridge Piers 27 39 4625 FA Mehdi Esmaeili Varak Seyedeh Samira Saadati Pacheh Kenari Journal Article 2014 08 16 Bridge Pier Group Foundation level Installation angle Scour https://water-soil.tabrizu.ac.ir/article_4625_b2e8c042f385dca54d586fd9c332e4d8.pdf