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Keywords: hydraulic conductivity
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Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-194
... borehole construction hydraulic conductivity figure rock-soil interface Mechanics and Rock Engineering, from Theory to Practice IOP Publishing IOP Conf. Series: Earth and Environmental Science 833 (2021) 012191 doi:10.1088/1755-1315/833/1/012191 Water control for a rock-soil interface...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-117
... not be applied are not so rare in geotechnical engineering, and the misuse of saturated materials formulations can lead to catastrophic events. fluid dynamics geology richard rock engineering geologist flow in porous media practice iop publishing iop conf hydraulic conductivity equation europe...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2020, June 14–19, 2020
Paper Number: ISRM-EUROCK-2020-059
... damage zone (EDZ) with higher hydraulic conductivity than the undisturbed rock mass. This paper studies the groundwater pressure in the rock mass surrounding the Gevingåsen tunnel, a drill-and-blast railway tunnel in Trøndelag, Norway, lined in the walls and crown with an undrained lining structure...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2020, June 14–19, 2020
Paper Number: ISRM-EUROCK-2020-058
... as a function of their hydraulic conductivity, mechanical properties and geometry is necessary for evaluation of the stability of the fractured rock mass. The stability and tightness of a hydrocarbon storage cavern in a fractured rock mass have been modelled using DISROC ® finite element code developed...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-082
... Abstract Field measurement of rock mass permeability is essential that numerous factors influence its directional magnitude. Lugeon test is a popularly conducted field instrument in order to measure hydraulic conductivity of a rock mass. Discontinuity orientation, spacing and discontinuity...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-049
... of bentonite increases the geotechnical parameters such as maximum dry density, specific gravity, unconfined compressive strength, Young s modulus and cohesion. However, the addition leads to a decrease in the optimum moisture content, angle of internal friction and the hydraulic conductivity of sand mixture...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-037
... as the temperature in surrounding environment in Figure 2. The hydraulic conductivity of granite obtained by analysis using the difference of data span containing the effect of artificial temperature change is shown in Figure 4. In the data analysis, the analytical solution introduced by Brace et al. (1968) was used...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2012, May 28–30, 2012
Paper Number: ISRM-EUROCK-2012-127
... Abstract: Grouting, which involves injection of grout material, is commonly used to decrease the hydraulic conductivity of the fractured rock masses and control the groundwater inflow. Since underground facilities were constructed in various geologi-cal conditions, different types of grout...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2012, May 28–30, 2012
Paper Number: ISRM-EUROCK-2012-005
... The relevance of doing verification by calculations is connected to how accurate the conceptual model is for quantified analysis. If the uncertainties are too large Hydro geology and geology Hydraulic conductivity of the rock mass and fracture distribution and aperatures Limits for ingress of water...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2012, May 28–30, 2012
Paper Number: ISRM-EUROCK-2012-149
... cracks and the crack width at a given internal water pressure. The design of reinforcement depends on the bedding of the lining (e.g. deformability of the rock mass), the hydraulic conductivity of the rock mass in relation to the concrete lining, the external and internal water pressure, and the in-situ...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2009, October 29–31, 2009
Paper Number: ISRM-EUROCK-2009-080
... and the topography of region are given. The hydraulic heads, generally varying in accordance with topography are given. The water discharge at a certain point of the tunnel is calculated. Where, the rocks are considered to have hydraulic conductivities between 10 −6 and 10 −8 msec −1 . But, at some points water...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2005, May 18–20, 2005
Paper Number: ISRM-EUROCK-2005-016
... of the hydraulic conductivity (Nimmo etal. 1991). Neverthe- less, the hydrostatic equilibrium and Darcy's law take on their usual form when gravity field is changed into the sum of the gravity field and the centri fugal accel- eration. Darcy's law is written for rotating frames and centrifuges uses as follows q...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2005, May 18–20, 2005
Paper Number: ISRM-EUROCK-2005-064
... of hydraulic head and hydraulic gradient. Experimental test under normal and shear mode are performed and results show that, increasing normal stress cause a decrease in hydraulic conductivity. Furthermore, the results indicate that the inlet water pressure directly affects hydraulic conductivity. During shear...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2005, May 18–20, 2005
Paper Number: ISRM-EUROCK-2005-098
... on the fault hydraulic conductivity of rocks or not is common major concerns in both engineering fields and earth science fields. To clarify the relation between hydraulic conductivity and inner structures in rocks, we have measured three principal strains and hydraulic conductivity in the intermediate...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2002, November 25–27, 2002
Paper Number: ISRM-EUROCK-2002-088
... geometrical features varying from a single joint to an extremely fractured- weathered espessure. The hydraulic conductivity of these big joints and the contacts between flows tend to be the highest in the whole conjunct composed by the dense basalt plus discontinuities. 129 In Nova Avanhandava dam (Cruz et aI...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 93, June 21–24, 1993
Paper Number: ISRM-EUROCK-1993-044
... ABSTRACT: A theoretical procedure estimating the thermal and hydraulic conductivities of jointed rock masses is presented. The method for appoximating the thermal expansion coefficients of well- jointed rock masses is also described. The proposed theory can handle arbitrary joint orientations...

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