Yıl 2017, Cilt 21, Sayı 3, Sayfalar 743 - 748 2017-10-20

Effect of Cone Indenter Hardness on Specific Energy of Rock Cutting

Cihan DOĞRUÖZ [1] , Naci BÖLÜKBAŞI [2]

472 219

The effects of rock mechanics parameters on performance of various tunneling and excavation machines used in tunneling application has been an important issue in conventional, NATM, and TBM tunneling. Mechanical feature of machine performance is important for cutting specific energy and cutting parameters. Specific Energy (SE) of rock excavation depends on rock features such as uniaxial compressive strength (UCS), Brazilian tensile strength (BTS) and standard cone indenter hardness (Is), as well as bit shape and size, cutterhead design, and cut geometry. In this study, impact of cone indenter hardness on SE has been examined and results of statistical analysis on laboratory data related to linear scale cutting of various rock types with different pick cutters are discussed. The results shows that there is a strong relationship between cone indenter hardness and laboratory specific energy. The cone indenter hardness results are between 0.30 MPa and 3.63 MPa. The tests were applied on weak and moderate rocks types. Based on the test results, two different prediction models were created using second order functional regression analyses.
Mechanical rock excavation, Specific energy; Cone indenter hardness
  • [1] Thuro, K.,Plinninger, R.J.,1998, ‘Geological Limits in Roadheader Excavation-Four Case Studies’. 8th International IAEG Congress, Balkema, Rotterdam, 21-25 September.
  • [2] Neil, D.M., Rostami, J., Ozdemir, L. and Gertsch, R.,1994, ‘Production Estimating Techniques for Underground Mining Using Roadheaders’. SME, AIME Annual Meeting, Albuquerque, New Mexico.
  • [3] Bölükbaşı, N. 1986. Yeraltı Kömür ve Ayak Kazı Mekanizasyonu, TKİ Genel Müdürlüğü Seminerleri No.4, METU, Ankara.
  • [4] Tucker, R. H. 1985. Improvement of Potential in Mining Development and Tunneling Systems in the National Coal Board. The Mining Engineer, pp.663-669, June.
  • [5] Bilgin, N., Balci, C., Acaroglu, Ö., Tunçdemir, H., Eskikaya, Ş. 1998. Design and Selection Criteria of Surface Continuous Miners for Open Pit Mining, Using Turkish Coal Mine as an Example. 5th International Symposium, May, Wroclaw
  • [6] Çopur, H. 2010. Linear stone cutting tests with chisel tools for identification of cutting principles and predicting performance of chain saw machines. International of Rock Mecanicsh & Mining Science, 47:1:104-120.
  • [7] Rostami,J. 2012. SME Handbook
  • [8] Çopur, H., Ozdemir, L. Rostami, J. 1998. Roadheader applications in mining and tunnel industry. The Mining Engineering:38-42.
  • [9] MRDE, 1977. NCB Cone Indenter. Handbook No.5, Burton on Trent, 12p.
  • [10] McFeat-Smith, I. 1980. Correlation of Rock Properties and Tunnel Machine Performance in Selected Sedimentary Rocks. Ph.D. Thesis, University of Newcastle upon Tyne, June.
  • [11] Fowell, R. J., Pycroft, A. S. 1980. Rock Machinability Studies For The Assessment of Selective Tunnelling Machine Performance. 21st National Rock Mechanics Symp. USA, Miss.pp.149-158.
  • [12] Bilgin, N., Yazıcı, S. Eskikaya, S. 1996. A Model to predict the performance of Roadheaders and impact hammers in tunnel drivages. EUROCK ’96:710-721.
  • [13] Thuro, K., Plinninger, R. J. 1999. Roadheader excavation performance – Geological and geotechnical influences. 9th ISRM Congress Paris, Theme 3: Rock dynamics and tectonophysics/Rock cutting and drilling, 25-28.
  • [14] Bilgin, N., Seyrek, T., Erdinc, E., Shahriar, K. 1990. Roadheaders clean valuable tips for Istanbul Metro. Tunnels and Tunneling, 29–32.
  • [15] Balci, C., Demircin, M.A., Copur, H., Tuncdemir, H., 2004. Estimation of optimum specific energy based on rock properties for assessment of roadheader performance. December issue, The Journal of The South African Institute of Mining and Metallurgy.
  • [16] Eskikaya, S., Bilgin, N., Dincer, T., Ozdemir, L. 1998. A model to predict the cutting performance of rapid excavation systems. Proceedings of the 7. International Symposium on Mine Planning and Eq. S., Calgary, Rotterdam: 575–579.
  • [17] Ergin, H., Acaroglu, O. 2007. The effect of machine design parameters on the stability of a Roadheader, Tunnelling and Underground Space Technology. 22(1):80-89.
  • [18] Ocak, I., Bilgin, N. 2010. Comparative studies on the performance of a Roadheader, impact hammer and drilling and blasting method in the excavation of metro station Tunnels in Istanbul. Tunneling and Underground Space Technology25: 181-187.
  • [19] Thuro, K., Plinninger, R.J. 1998. Geological limits in Roadheader Excavation. Four Case Studies, 8th Int. IAEG Congress, Rotterdam, 21-25.
  • [20] Yetkin, M.E., Ozfirat, M.K., Yenice, H., Simsir, F., Kahraman, B. 2016. Examining the relation betweenrock mass cuttability index and rock drilling properties. Journal of African Earth Sciences, 124: 151-158.
  • [21] Dogruoz, C., 2010. Effect of pick blunting on cutting performance for weak-moderate rocks. PhD Thesis, Middle East Technical University, Dept. of Mining Engineering, Turkey.
  • [22] Montgomery, D.C. 1997. Design and Analyses of Experiments. 5th Edition, Arizona State University, 1997
Konular
Dergi Bölümü Makaleler
Yazarlar

Yazar: Cihan DOĞRUÖZ

Yazar: Naci BÖLÜKBAŞI

Bibtex @ { sdufenbed382209, journal = {Süleyman Demirel Üniversitesi Fen Bilimleri Enstitüsü Dergisi}, issn = {}, eissn = {1308-6529}, address = {Süleyman Demirel Üniversitesi}, year = {2017}, volume = {21}, pages = {743 - 748}, doi = {10.19113/sdufbed.44433}, title = {Effect of Cone Indenter Hardness on Specific Energy of Rock Cutting}, key = {cite}, author = {BÖLÜKBAŞI, Naci and DOĞRUÖZ, Cihan} }
APA DOĞRUÖZ, C , BÖLÜKBAŞI, N . (2017). Effect of Cone Indenter Hardness on Specific Energy of Rock Cutting. Süleyman Demirel Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 21 (3), 743-748. Retrieved from http://dergipark.gov.tr/sdufenbed/issue/34610/382209
MLA DOĞRUÖZ, C , BÖLÜKBAŞI, N . "Effect of Cone Indenter Hardness on Specific Energy of Rock Cutting". Süleyman Demirel Üniversitesi Fen Bilimleri Enstitüsü Dergisi 21 (2017): 743-748 <http://dergipark.gov.tr/sdufenbed/issue/34610/382209>
Chicago DOĞRUÖZ, C , BÖLÜKBAŞI, N . "Effect of Cone Indenter Hardness on Specific Energy of Rock Cutting". Süleyman Demirel Üniversitesi Fen Bilimleri Enstitüsü Dergisi 21 (2017): 743-748
RIS TY - JOUR T1 - Effect of Cone Indenter Hardness on Specific Energy of Rock Cutting AU - Cihan DOĞRUÖZ , Naci BÖLÜKBAŞI Y1 - 2017 PY - 2017 N1 - DO - T2 - Süleyman Demirel Üniversitesi Fen Bilimleri Enstitüsü Dergisi JF - Journal JO - JOR SP - 743 EP - 748 VL - 21 IS - 3 SN - -1308-6529 M3 - UR - Y2 - 2018 ER -
EndNote %0 Süleyman Demirel Üniversitesi Fen Bilimleri Enstitüsü Dergisi Effect of Cone Indenter Hardness on Specific Energy of Rock Cutting %A Cihan DOĞRUÖZ , Naci BÖLÜKBAŞI %T Effect of Cone Indenter Hardness on Specific Energy of Rock Cutting %D 2017 %J Süleyman Demirel Üniversitesi Fen Bilimleri Enstitüsü Dergisi %P -1308-6529 %V 21 %N 3 %R %U
ISNAD DOĞRUÖZ, Cihan , BÖLÜKBAŞI, Naci . "Effect of Cone Indenter Hardness on Specific Energy of Rock Cutting". Süleyman Demirel Üniversitesi Fen Bilimleri Enstitüsü Dergisi 21 / 3 (Ekim 2017): 743-748.