In 1949, he carried out research work at Domuztepe across Karatepe. His expeditions between 1947 and 1957 in the area of Anti-Taurus Mountains and Amanos Mountains led him the discovery of an ancient trail network. From 1957 until 1961, Alkım excavated at the Yesemek Quarry and Sculpture Workshop in Gaziantep Province, which was discovered by Felix von Luschan (1854-1924). He took part also at the excavation in Amik Valley, Cilicia.