... Shams Engineering Journal   15 (7) : 102791 , 10.1016/j.asej.2024.102791 . Barton N (2002) Some new Q-value correlations to assist in site characterisation and tunnel design . International Journal of Rock Mechanics and Mining Sciences 39 (2) : 185 – 216 , 10.1016/S1365-1609(02...

... re-use rights only Antalya engineering geology geomaterial characterisation geotechnical characterisation geotechnical engineering karst laboratory tests mechanical properties rocks rock mechanics rock mass tufa Middle East Technical University (METU) Research Fund BAP-03...

... rock mechanics surcharge tunnels & tunnelling The stability of tunnels can be based on empirical methods such as the rock mass rating or RMR (Bieniawski, 1973) system and the rock tunnelling quality index or Q system (Barton et al., 1974), but the major drawback...

... Publishing Limited: All rights reserved 2024 numerical modelling rock mechanics tunnels & tunnelling uncertainty, reliability & risk Soil and rock masses have a spatial variability in their strength and deformability parameters that must be taken into account. This is very important...

... 2022 material properties rock–concrete interface rock mechanics seismic engineering seismic responses tunnels & tunnelling underground tunnels Many underground engineering projects are either under construction or about to be built in areas of China at high seismic risk. Although...

... volumes). However, in the case of triaxial strength of intact rock where the strength is a non-linear function of the minor principal stress, the analysis is more involved. ICE Publishing: All rights reserved 2015 design methods & aids rock mechanics statistical analysis...

... 23 10 2013 ICE Publishing: All rights reserved 2015 mathematical modelling rock mechanics tunnels & tunnelling D degree of disturbance of rock mass E_m rock mass Young's modulus G shear modulus of rock mass...

... methods for prebored pressuremeter testing in soils , 2007 , ASTM , West Conshohocken, PA, USA . Barton   N , Lien   R , Lunde   J . Engineering classifications of rock mass for the design of tunnel support . Rock Mechanics , 1974 , 6 , (4): 189 – 236 . Bieniawski   ZT...

... engineering rock mechanics where D is a disturbance coefficient, which varies from 0·0 for undisturbed in situ rocks to 1·0 for very disturbed rocks. The parameter m_i can be obtained from experiments. If there are no test data available, the approximate values...

... < 1 especially for the higher values of h/B. 13 7 2009 12 2 2008 © 2010 Thomas Telford Ltd 2010 geotechnical engineering rock mechanics a radius of uniformly loaded circular area B width (least dimension) of rectangular footing...

...   exp   ( GSI − 100 28 − 14 D ) © 2010 Thomas Telford Ltd 2010 excavation rock mechanics tunnels & tunnelling D disturbance factor E Young's modulus of rock mass G shear modulus of rock mass GSI geological strength...

... properties of the unfilled travertine at different rates. 26 11 2008 21 3 2007 © 2009 Thomas Telford Ltd 2009 research & development rock mechanics strength and testing of materials Travertine is a form of limestone that is deposited in areas of calcium-carbonate-bearing...

... measures and primary lining displacements of tunnel S1 roads & highways rock mechanics tunnels & tunnelling The key role that field instruments play in ground engineering problems was stated by Karl Terzaghi in his presidential address to the First International Conference on Soil...

..., the strength of discontinuities will not come into play unless the discontinuities are unfavourably orientated with respect to the excavation, which was not the case here. 04 12 2002 09 10 2003 © 2004 Thomas Telford Ltd 2004 retaining walls rock mechanics The determination...

... rock mechanics strength & testing of materials From Table 2 , it is clear that as the infill thickness is increased, the joints undergo compression rather than dilation. This indicates that the influence of asperities decreases as t/a ratio increases. When t...

... narrow neck excavation. However, changes to the complex substructure would inevitably have led to considerable redesign costs and delays and after careful consideration the options were discounted. cables & tendons excavation rock mechanics India's largest city is situated on the north...

...I W JOHNSTON; E A NOVELLO Soil mechanics, rock mechanics and CPYiOvC.E. Inngsrtsn soft rock technology Geotech. Engng, 1994, 107, Jan., 3-9 I. W.Johnston, BSc(Eng),PhD, FIEAust, and E. A . Novella, BE, PhD Geolechnical Engineering Panel Soft rocks are often regarded as being a therefore, to find...