%0 Journal Article %T IMPROVED PERFORMANCE OF EARTH STRUCTURES BY LIME AND GYPSUM ADDITION %A Bekir Y. PEKMEZC£¿ %A Ruhi KAFES£¿£¿O£¿LU %A Ebrahim AGAHZADEH %J Middle East Technical University Journal of the Faculty of Architecture %D 2012 %I Middle East Technical University %U http://jfa.arch.metu.edu.tr/archive/0258-5316/2012/cilt29/sayi_2/205-221.pdf