Student:	Batnyam BATMUNKH
Supervisor:	Assist. Prof. Dr. Mehmet ÇAPİK
Department:	Maden Mühendisliği
Institution:	Graduate School of Natural and Applied Sciences
University:	Karadeniz Technical University Turkey

Title of the Thesis:	Investigation of the Drillability Properties of Rocks in Maçka and Çaykara (Trabzon) Highway Tunnels
Level:	M.Sc.
Acceptance Date:	18/10/2016
Number of Pages:	88
Registration Number:	i3127

Summary:

highway tunnels. 11 different excavation glasses with specific energy (kJ/m3), drilling rates (m/min)

and bit wear rate (mg/m) values were calculated. In order to determine the drilling and bit wear rate

speeds, 3 pieces with semi-ballistic button bit were used. Also, the wear changes observed at the tip of

the button were examined after punching. For the purposes of laboratory studies, 11 different

excavation glass samples were taken from Maçka and Çaykara tunnels and on the rock samples taken,

the drillability abrasiveness, physico-mechanical properties, specific energy values and drilling speeds

were calculated. As a result, the correlation analysis of the data was conducted and they were

statistically evaluated.