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Q-system (geotechnical engineering)
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<h2 id="see-also">See also</h2> <ul><li><a href="/facts/Rock_Structure_Rating/S1snXPIK">Rock Structure Rating</a></li> <li><a href="/facts/Hoek-Brown_failure_criterion/AlySgSwB">Hoek-Brown failure criterion</a></li> <li><a href="/facts/Rock_mass_rating/xGdN7XUs">Rock mass rating</a></li></ul> <h2 id="further-reading">Further reading</h2> <ul><li>Bieniawski, Z.T. "Engineering Rock Mass Classifications", John Wiley and Sons, New York, 1989</li> <li>Hack, H.R.G.K. (25–28 November 2002). "An evaluation of slope stability classification. Keynote Lecture.". In Dinis da Gama, C.; Ribeira e Sousa, L. (eds.). <i>Proc. <a href="/facts/ISRM/Qn4DuGEd">ISRM</a> EUROCK’2002</i>. Funchal, Madeira, Portugal: Sociedade Portuguesa de Geotecnia, Lisboa, Portugal. pp. 3–32. <a href="/facts/ISBN_(identifier)/15AdSPa9">ISBN</a> 972-98781-2-9.</li> <li>Pantelidis, L (2009). "Rock slope stability assessment through rock mass classification systems", <i>International Journal of Rock Mechanics and Mining Sciences</i>, 46(2), (315–325).</li> <li>Palmstrom, A.; Broch, E. (2006). "Use and misuse of rock mass classification systems with particular reference to the Q-system". <i>Tunnelling and Underground Space Technology</i>. 21 (6): 575–593. <a href="/facts/Bibcode_(identifier)/9HtdQSGB">Bibcode</a>:<a href="https://ui.adsabs.harvard.edu/abs/2006TUSTI..21..575P">2006TUSTI..21..575P</a>. <a href="/facts/Doi_(identifier)/muM9Etpq">doi</a>:<a href="https://doi.org/10.1016%2Fj.tust.2005.10.005">10.1016/j.tust.2005.10.005</a>.</li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>Barton, N.R.; Lien, R.; Lunde, J. (1974). "Engineering classification of rock masses for the design of tunnel support". Rock Mechanics and Rock Engineering. 6 (4). Springer: 189–236. Bibcode:1974RMFMR...6..189B. doi:10.1007/BF01239496. S2CID 129624981. <a href="/wiki/Springer_Science%2BBusiness_Media" target="_blank">/wiki/Springer_Science%2BBusiness_Media</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>Barton, N.R. (1–5 November 1976). "Recent experiences with the Q-system of tunnel support design". In Bieniawski, Z.T. (ed.). Proc. Symposium on Exploration for Rock Engineering, Johannesburg. Vol. 1. Balkema, Cape Town. pp. 107–117. ISBN 0-86961-089-9. <a href="0-86961-089-9" target="_blank">0-86961-089-9</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>Barton, N.R.; Lien, R.; Lunde, J. (1977). "Estimation of support requirements for underground excavations & discussion". In Fairhurst, C.; Crouch, S.L. (eds.). Proc. of 16th Symp. on Design Methods in Rock Mechanics, University of Minnesota, Minneapolis, U. S. A, 1975. American Society of Civil Engineers (ASCE), New York. pp. 163–177, 234–241. OL 19853458M. <a href="/wiki/American_Society_of_Civil_Engineers" target="_blank">/wiki/American_Society_of_Civil_Engineers</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>Barton, N.R. (1988). "Rock Mass Classification and Tunnel Reinforcement Selection using the Q-system". In Kirkaldie, L. (ed.). Rock Classification Systems for Engineering Purposes: ASTM Special Technical Publication 984. Vol. 1. ASTM International. pp. 59–88. doi:10.1520/STP48464S. ISBN 978-0-8031-0988-9. <a href="978-0-8031-0988-9" target="_blank">978-0-8031-0988-9</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> <li id="fn:5"><p>Barton, N.R.; Grimstad, E. (1993). "Updating the Q-system for NMT". In Kompen, C.; Opsahl, S.L.; Berg, S.L. (eds.). Proc. of the International Symposium on Sprayed Concrete - Modern Use of Wet Mix Sprayed Concrete for Underground Support, Fagernes, 1993. Norwegian Concrete Association, Oslo. pp. 163–177, 234–241. OL 19853458M. <a href="/wiki/OL_(identifier)" target="_blank">/wiki/OL_(identifier)</a> <a href="#fnref:5" class="footnote-back-ref">↩</a></p></li> <li id="fn:6"><p>Barton, N.R.; Grimstad, E. (1994). "The Q-system following twenty years of application in NMT support selection; 43rd Geomechanic Colloquy, Salzburg". Felsbau. Verlag Glückauf GmbH, Essen, Germany: 428–436. ISSN 1866-0134. <a href="/wiki/ISSN_(identifier)" target="_blank">/wiki/ISSN_(identifier)</a> <a href="#fnref:6" class="footnote-back-ref">↩</a></p></li> <li id="fn:7"><p>Barton, N.R. (2000). TBM Tunnelling in Jointed and Faulted Rock. Taylor & Francis. p. 184. ISBN 978-90-5809-341-7. <a href="978-90-5809-341-7" target="_blank">978-90-5809-341-7</a> <a href="#fnref:7" class="footnote-back-ref">↩</a></p></li> <li id="fn:8"><p>Barton, N.R. (2002). "Some new Q-value correlations to assist in site characterization and tunnel design". International Journal of Rock Mechanics and Mining Sciences. 39 (2): 185–216. Bibcode:2002IJRMM..39..185B. doi:10.1016/S1365-1609(02)00011-4. <a href="/wiki/Bibcode_(identifier)" target="_blank">/wiki/Bibcode_(identifier)</a> <a href="#fnref:8" class="footnote-back-ref">↩</a></p></li> <li id="fn:9"><p>Barton, N.R. (2006). Rock Quality, Seismic Velocity, Attenuation and Anisotropy. Taylor & Francis. p. 729. ISBN 978-0-415-39441-3. <a href="978-0-415-39441-3" target="_blank">978-0-415-39441-3</a> <a href="#fnref:9" class="footnote-back-ref">↩</a></p></li> </ol>