Search Results - "Dahl, Filip"

Study of Dominant Factors Affecting Cerchar Abrasivity Index by Rostami, Jamal, Ghasemi, Amireza, Alavi Gharahbagh, Ehsan, Dogruoz, Cihan, Dahl, Filip

“…The Cerchar abrasion index is commonly used to represent rock abrasion for estimation of bit life and wear in various mining and tunneling applications…”
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Classifications of properties influencing the drillability of rocks, based on the NTNU/SINTEF test method by Dahl, Filip, Bruland, Amund, Jakobsen, Pål Drevland, Nilsen, Bjørn, Grøv, Eivind

“…► Rock type can only be an indicator of rock properties. ► Classifications based on statistical analysis of recorded test results. ► Correlations and…”
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ISRM Suggested Method for Determining the Abrasivity of Rock by the CERCHAR Abrasivity Test by ALBER, Michael, YARALI, Olgay, DAHL, Filip, BRULAND, Amund, KÄSLING, Heiko, MICHALAKOPOULOS, Theodore N, CARDU, Marilena, HAGAN, Paul, AYDIN, Hamit, ÖZARSLAN, Ahmet

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New Rock Abrasivity Test Method for Tool Life Assessments on Hard Rock Tunnel Boring: The Rolling Indentation Abrasion Test (RIAT) by Macias, F. J., Dahl, F., Bruland, A.

“…The tunnel boring machine (TBM) method has become widely used and is currently an important presence within the tunnelling industry. Large investments and high…”
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Wear of Cutting Tools in Hard Rock Excavation Process: A Critical Review of Rock Abrasiveness Testing Methods by Hamzaban, Mohammad-Taghi, Rostami, Jamal, Dahl, Filip, Macias, Francisco Javier, Jakobsen, Pål Drevland

“…Increasing demand for the use of different mechanized excavation systems in civil and mining projects has elevated the importance of understanding the wear…”
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Adaptation of Laboratory tests for the assessment of wear resistance of drill-bit inserts for rotary-percussive drilling of hard rocks by Saai, Afaf, Bjørge, Ruben, Dahl, Filip, Antonov, Maksim, Kane, Alexandre, Diop, Jean-Baptiste, Ojala, Niko

“…The development of wear resistant materials for drill-bit inserts are of primary importance for efficient percussive drilling in hard abrasive rock. To speed…”
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Development of the Soft Ground Abrasion Tester (SGAT) to predict TBM tool wear, torque and thrust by Jakobsen, Pål Drevland, Langmaack, Lars, Dahl, Filip, Breivik, Torkjell

“…•Tool life measured by the SGAT is highly influenced by the soil compaction, rpm and water content.•There is a good correlation between measured steel wear and…”
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Assessing the abrasivity characteristics of the central Dublin fluvio-glacial gravels – A laboratory study by O'Connor, Emer, Friedman, Miles, Dahl, Filip, Jakobsen, Pål Drevland, van Oosterhout, Dirk, Long, Michael

“…•Large suite of laboratory abrasivity tests on fluvio-glacial gravels.•Combination of well-known and newly developed tests.•Very few such data reported in…”
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Review and assessment of the NTNU/SINTEF Soil Abrasion Test (SAT™) for determination of abrasiveness of soil and soft ground by Jakobsen, Pål Drevland, Bruland, Amund, Dahl, Filip

“…•Soil abrasivity measurements can be an indicator of TBM excavation tool life.•Cost estimations of worn out excavation tools.•Classifications based on…”
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Development of a new direct test method for estimating cutter life, based on the Sievers’ J miniature drill test by Dahl, Filip, Grøv, Eivind, Breivik, Torkjell

“…The Sievers’ J-miniature drill test (SJ) has been used extensively at NTNU/SINTEF since the 1960s in connection with drillability testing of rock samples…”
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ISRM Suggested Method for Determining the Abrasivity of Rock by the CERCHAR Abrasivity Test by Alber, Michael, Yaralı, Olgay, Dahl, Filip, Bruland, Amund, Käsling, Heiko, Michalakopoulos, Theodore N., Cardu, Marilena, Hagan, Paul, Aydın, Hamit, Özarslan, Ahmet

“…Rock abrasivity plays an important role in characterizing a rock material for excavation purposes. Abrasion can be dened as the wearing or tearing away of…”
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