Akademik Veri Yönetim Sistemi
Jeoloji Muhendisligi Dergisi, cilt.42, sa.1, ss.33-48, 2018 (Scopus, TRDizin)
In recent years, transportation tunnels have been excavated by mechanical methods. The selection of a suitable excavator for the geological structure is an important factor in achieving an efficient tunnel excavation. For this purpose, geological formations along the Kabataş-Mecidiyeköy tunnel alignment have been evaluated in terms of excavation mechanics. The Istanbul Metro Project between Kabatas-Mecidiyekoy stations includes two types of tunnel excavations, tunnel boring machines (TBM) and New Austrian Tunneling Method (NATM). The total length of the two lines of the tunnel to be opened using TBM is 6180 m. In addition, the total length of the two lines to be opened by NATM method is 4490 m. In this study, soil and rock units along the Kabataş-Mecidiyeköy tunnel alignment were classified in terms of engineering geology, and tunneling, and the effects of difficult ground conditions on tunnel excavation were investigated. In addition, the related information is given for the permeability of the geological units and the groundwater level.