%0 Journal Article %T Influence of collars on reduction in scour depth at two piers in a tandem configuration %A Sargol Memar %A Mohammad Zounemat Kermani %A Beheshti, Aliasghar %A مجید رحیم پور %A Giovanni De Cesare %A Anton J. Schleiss %J Acta Geophysica %@ 1895-6572 %D 2020