Selected downloads:


Click here to donwload the PDF with all front pages (17mb).

The links below are organized in chronological order and in standard reference style. Click on titles to download the .zip file.

Page 1 | 2 | 3
2004. Barton and Grimstad-The Q-system following 30 years of development. Eurockm SalzburgClick to see 1st page.
2004. Barton and Infanti-Interpretation of exceptional stress levels. Kyoto ITA Barton InfantiClick to see 1st page.
2004. Barton and Quadros-Underground pressures. International Water Power and Dam Construction, Jan p28-32Click to see 1st page.
2004. Barton-Fault zones and TBM. Risk in Tunnelling. Aveiro, PortugalClick to see 1st page.
2004. Barton-High pressure pre-grouting. TTI Sept 2004 p28-30 PART IClick to see 1st page.
2004. Barton-High pressure pre-grouting. TTI Sept 2004 p28-30 PART IIClick to see 1st page.
2004. Barton-Risk and risk reduction in TBM tunnelling. Keynote, 3rd. Asian R.M.symp.KyotoClick to see 1st page.
2005. Blindheim - A critique of Qtbm. Tunnels and Tunnelling International.Click to see 1st page.
2005. Barton-Comments on 'a critique of Qtbm' by BLINDHEIMClick to see 1st page.
2006. Barton-Fracture induced seismic anisotropy.Beijing 13th IWSAClick to see 1st page.
2006. Barton-TBM tunnelling in sheared and fractured rock masses. Cartagena, ColombiaClick to see 1st page.
2006. Barton, N. Integrating Q-logging with seismic refraction, permeability, pre-grouting, tunnel and cavern support needs, etc. Keynote, Hong Kong.Click to see 1st page.
2007. Barton and Abrieu-City metro tunnels and stations that should have been deeperClick to see 1st page.
2007. Barton-Anisotropy and 4D caused by two fracture sets, four compliances and sheared aperturesClick to see 1st page.
2007. Barton-Near-surface gradients of rock quality, deformation modulus, Vp and Qp to 1 km depth. First-BreakClick to see 1st page.
2007. Barton-Rockmass characterization for excavations in mining and civil engineering. Keynote. RMC workshop, VancouverClick to see 1st page.
2007. Barton-Thermal over-closure of joints and rock masses, implications for HLW repositories, ISRM Cong., LisbonClick to see 1st page.
2007. Barton-Time lapse interpretation using fracture shear phenomena. EAGE, LondonClick to see 1st page.
2007. Barton, N. Future directions in rock mass characterization - cross-disciplinary. VancouverClick to see 1st page.
2008. Barton and Bieniawski-Setting records straightClick to see 1st page.
2008. Barton-A unique metro accident in Brazil caused by multiple factors. 2nd Brazilian Conf., Sao PauloClick to see 1st page.
2008. Barton-A unique Metro accident in Brazil. Tunnels and Tunnelling InternationalClick to see 1st page.
2008. Barton-Important aspects of reservoir and crustal permeability and strength to several kilometers depth.Symp. TehranClick to see 1st page.
2008. Barton-Invited editorial., J. Rock Mech & Tunn. Tech., IndiaClick to see 1st page.
2008.Barton N-Seismic - combining borehole characterization. ColombiaClick to see 1st page.
2008. Barton-Shear strength of rockfill, interfaces and rock joints, and their points of contact in rock-dump design. Keynote. AustraliaClick to see 1st page.
2008. Barton-TBM tunnel construction in difficult ground. ColombiaClick to see 1st page.
2008. Barton-The main causes of the Pinheiros cavern collapse.COBRAMSEG, BuziosClick to see 1st page.
2008. Barton-Tragic collapse of a station cavern during construction of the São Paulo metroClick to see 1st page.
2009. Barton-Intergrating Q-logging, seismic etc for tunnel and cavern etc. Keynote, Hong KongClick to see 1st page.
2009. Barton-Letter to the Editor. The Pinheiros DisagreementClick to see 1st page.
2009. Barton-Main causes of the Pinheiros cavern collapse. ITA congress, BudapestClick to see 1st page.
2009. Barton-Metro construction at the most unfavourable depth. Keynote. Eurock, CroatiaClick to see 1st page.
2009. Barton-TBM prognosis in hard rock with faults using Qtbm. Keynote, Hong KongClick to see 1st page.
2010. Barton, Gammelsæter-Application of Q-system and Qtbm to Oslo-Ski tunnels. Nordic Rock Mech Symp. KongsbergClick to see 1st page.
2010. Barton-Low stress and high stress phenomena in basalt flows. Keynote. Int, Workshop on Volcanic Rocks, TenerifeClick to see 1st page.
2010. Barton-TBM prognoses for hard rock with weakness zones, using open-gripper or double-shield solutions. Keynote, PragueClick to see 1st page.
2010. Barton-TBM prognosis for open-gripper and double-shield machines tunnelling throughhard rock with weakness zones. HelsinkiClick to see 1st page.
2011. Barton and Pandey-Numerical modelling using degradation of c and mobilization of phi. Int.J.Rock MechClick to see 1st page.
2011. Barton - An engineering assessment of pre-injection in tunnelling. Keynote, 3rd Indian Rock Mech. Conf.Click to see 1st page.
2011. Barton - Assessing pre-injection in tunnelling. Tunnelling Journal Dec2011, Jan 2012Click to see 1st page.
2011. Barton - From Empiricism, Through Theory, to Problem Solving in Rock Engineering. 6th Muller LectureClick to see 1st page.
2011. Barton - From Empiricism, Through Theory, to Problem Solving in Rock Engineering. Shortened version .6th Muller LectureClick to see 1st page.
2011. Wittke and Sommer - Designs in jointed rock. World Tunnelling, 2011Click to see 1st page.
2011. Barton - Letter to the Editor. A measured response. World Tunnelling. sept 2011Click to see 1st page.
2011. Barton - World Tunnelling WT interview p. 10-13Click to see 1st page.
2011. Vrkljan, Barton-Interview by Prof. Vrkljan. Zagreb, ISRM newsletterClick to see 1st page.
2012. Barton - Shear strength criteria for rock, rock joints, rockfill, interfaces and rock masses , ISModel, Beijing.Click to see 1st page.
2012. Barton - Reducing risk in long deep tunnels by using TBM and drill and-blast in the same project - The hybrid method. Chinese Academy of Engineering, Wuhan, JRMGEClick to see 1st page.
2012. Barton, N. Defining NMT as part of the NATM SCL debate. TunnelTalkClick to see 1st page.
2012. Barton, N. Hybrid TBM and Drill-and-Blast from the start.Tunnelling JournalClick to see 1st page.
2013.Barton, N. Challenges and empirical solutions when tunnelling. Water Power, Jan 2013Click to see 1st page.
2013.Barton, N. Characterization of fracture shearing for 4D interpretation of fractured reservoirs. Muscat, EAGE workshop, 5p.Click to see 1st page.
2013.Barton, N. Errors in constitutive modelling of rock, rock joints and rock masses. Abstract for Eurock, Wroclow, 2013.Click to see 1st page.
2013.Barton, N. Geomechanics and geophysical processes in naturally fractured reservoirs. Muscat, EAGE workshop, 5p.Click to see 1st page.
2013.Barton, N. Rock engineering challenges and some solutions for hydropower projects. INDOROCK-2013, keynote, Waknaghat.Click to see 1st page.
2013.Barton, N. Rock mass characterization and use of empiricism to supplement modeling. Abstract, Sinorock 3, Shanghai.Click to see 1st page.
2013.Barton, N. Shear strength criteria for rock, rock joints, rockfill and rock masses - Problems and some solutions. JRMGE, 5(2013).Click to see 1st page.
2013.Barton, N. Tunnelling techniques opinions, for 25th anniversary of WORLD TUNNELLING.Click to see 1st page.
2013.Barton, N. Integrated empirical methods for the design of tunnels, shafts and caverns in rock, based on the Q-system. 3rd Int. Symp. on Tunnels and Shafts in Soil and Rock, SMIG/Amitos, 17p. Nov. 2013, Mexico City.Click to see 1st page.
2013.Barton, N. TBM  prognoses  for  open-gripper  and  double-shield machines: challenges  and  solutions  for  weakness  zones  and  water. FJELLSPRENGNINGSTEKNIKK – BERGMEKANIKK - GEOTEKNIKK, Oslo, 21.1-21.17, Nov. 2013.Click to see 1st page.
2014. Barton and Grimstad, Q-method manual -Tunnel and cavern support selection in Norway. NFF-23, 38p.Click to see 1st page.
2014. Barton and Grimstad, Q-system application in NMT and NATM, 7th Sfr symposium, Sandefjord, 17p.lClick to see 1st page.
2014. Barton, N. Lessons learned using empirical methods applied in mining. Keynote, Lima, Peru. 24p.Click to see 1st page.
2014. Barton, N. Optimum advance for long distance TBM drives. Tunnel Talk.Click to see 1st page.
2014. Barton, N. The shear strength of rock, rock joints and rock masses etc. Vigo KEYNOTE, 14p.Click to see 1st page.