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Keywords: construction materials
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Proceedings Papers

Paper presented at the 13th ISRM International Congress of Rock Mechanics, May 10–13, 2015
Paper Number: ISRM-13CONGRESS-2015-402
... in areas of manufacturing as well as practical applications. As a result, geosynthetics are now being recognized as essential construction materials that can be used to facilitate construction, ensure better performance of the structures and reduce the long-term maintenance in routine civil engineering...
Proceedings Papers

Paper presented at the 13th ISRM International Congress of Rock Mechanics, May 10–13, 2015
Paper Number: ISRM-13CONGRESS-2015-039
... Upstream Oil & Gas ASR experiment frequency ultrasonic testing Lokají�ek construction materials Reservoir Characterization 13th international congress detection arrival time amplitude means rock mechanic isrm13 expansion value Petružálek alkali-silica reaction dependence...
Proceedings Papers

Paper presented at the 12th ISRM Congress, October 16–21, 2011
Paper Number: ISRM-12CONGRESS-2011-142
... and humid cyclic test. This study clarified that threshold and oscillation of moisture content related with strength fluctuation and colour tone change. construction materials exposure test moisture content tuff Reservoir Characterization compression strength Oya tuff outdoor exposure test...
Proceedings Papers

Paper presented at the 12th ISRM Congress, October 16–21, 2011
Paper Number: ISRM-12CONGRESS-2011-208
... protection system Reservoir Characterization Ifsttar testing station rock impact construction materials indirect impact full-scale structure concrete beam foundation european fp7 new testing station high-speed camera 2012. Taylor & Francis Group. Permission to Distribute - International...
Proceedings Papers

Paper presented at the 12th ISRM Congress, October 16–21, 2011
Paper Number: ISRM-12CONGRESS-2011-303
... to cases when moisture curing was not used (air curing), the compression strength was 2.0 to 2.5 times stronger. compression strength suction fan specimen humidity mold Engineering road tunnel tunnel concrete lining moisture construction materials test specimen concrete lining standard...
Proceedings Papers

Paper presented at the 12th ISRM Congress, October 16–21, 2011
Paper Number: ISRM-12CONGRESS-2011-325
... in the Universal Distinct Element Code (UDEC) and demonstrative results from modelling cases will be presented. construction materials bedded rock mass behaviour model rock mass tunnel ground reaction curve lining section stiffness concrete behaviour model discontinuum Simulation concrete lining...
Proceedings Papers

Paper presented at the 12th ISRM Congress, October 16–21, 2011
Paper Number: ISRM-12CONGRESS-2011-331
... is a basic requirement for being able to guarantee the desired hydraulic resistance. The autogenous shrinkage behaviour in the construction material s setting which cannot be completely prevented is tolerated for the building structures in rock salt (Gutsch et al., 2010). By way of calculation one could show...
Proceedings Papers

Paper presented at the 12th ISRM Congress, October 16–21, 2011
Paper Number: ISRM-12CONGRESS-2011-327
.... Upstream Oil & Gas gypsum crystal growth anhydrite extensometer vertical displacement mechanism discontinuity construction materials reinforcement borehole lining tunnel Reservoir Characterization displacement radial pressure Lilla tunnel supersaturation Alonso Invert sulphated...
Proceedings Papers

Paper presented at the 12th ISRM Congress, October 16–21, 2011
Paper Number: ISRM-12CONGRESS-2011-372
... fracture mechanics Simulation specimen sfr specimen tensile behavior Engineering plasticity model shotcrete compressive strength tensile strength hydraulic fracturing shotcrete behavior steel fiber flexural test compression construction materials strength laboratory Hillerborg...
Proceedings Papers

Paper presented at the 11th ISRM Congress, July 9–13, 2007
Paper Number: ISRM-11CONGRESS-2007-053
... is most widely used for the analyses of rock masses. However, this criterion requires estimation of many rock mass parameters, which is not feasible in some cases. construction materials Upstream Oil & Gas hydraulic fracturing strength Reservoir Characterization reservoir simulation...
Proceedings Papers

Paper presented at the 11th ISRM Congress, July 9–13, 2007
Paper Number: ISRM-11CONGRESS-2007-069
... tested. Average values were calculated discarding both two highest and lowest values for each test. wellbore integrity HCl porosity midnight green rock type construction materials dimension stone dry specific weight reduction Wellbore Design variation absorption capacity detergent...
Proceedings Papers

Paper presented at the 10th ISRM Congress, September 8–12, 2003
Paper Number: ISRM-10CONGRESS-2003-239
... the surrounding rocks in both time and space. Reservoir Characterization Rock mechanics stability construction process mechanics mechanics displacement application case rock mass Nishihara model construction materials numerical analysis Variation Loading analysis time-space effect...
Proceedings Papers

Paper presented at the 10th ISRM Congress, September 8–12, 2003
Paper Number: ISRM-10CONGRESS-2003-229
... of the unsupported floor over the decades. This heave has led to the considerable camber in the originally horizontal strata that is visible in Fig. 1. rail transportation displacement anhydrite principal normal stress construction materials Rock mechanics max evp rock mass constitutive law Invert...
Proceedings Papers

Paper presented at the 10th ISRM Congress, September 8–12, 2003
Paper Number: ISRM-10CONGRESS-2003-106
..., 1987]: The rock mass should be strong and massive with a high tensile strength and low permeability (RMR>70). Satisfy confining criteria. Reservoir Characterization Upstream Oil & Gas Thickness wire mesh construction materials overburden Rock mechanics flow in porous media...
Proceedings Papers

Paper presented at the 10th ISRM Congress, September 8–12, 2003
Paper Number: ISRM-10CONGRESS-2003-054
... properties. wellbore integrity Upstream Oil & Gas roughness Artificial Intelligence replica direct shear test reservoir geomechanics Wellbore Design scale effect Reservoir Characterization construction materials rock joint concrete fracture replica stiffness concrete replica shear...
Proceedings Papers

Paper presented at the 10th ISRM Congress, September 8–12, 2003
Paper Number: ISRM-10CONGRESS-2003-023
... shotcrete lining tunnel face lining reservoir geomechanics construction materials chemical shrinkage numerical analysis shotcrete constitutive model material model hydration process shotcrete loading interaction creep consideration ground-shotcrete interaction excavation shrinkage...
Proceedings Papers

Paper presented at the 10th ISRM Congress, September 8–12, 2003
Paper Number: ISRM-10CONGRESS-2003-169
... the calotte and bottom excavations. The total length of the work queue under standard conditions was 75 m. tunnel tube hazardous passage excavation building deformation condition 2 construction materials rock massif Mrazovka tunnel concrete structure displacement tunnel chapel deformation...
Proceedings Papers

Paper presented at the 9th ISRM Congress, August 25–28, 1999
Paper Number: ISRM-9CONGRESS-1999-201
... the stone itself or between the stone and plaster layers, or between plaster layers. This is known as a cryptoflorescence process (Fig. 4) which in Maadi Town Temple case may lead to crumbled disintegration or possibly to some sort of 'exfoliation and cracking of the construction materials, due...
Proceedings Papers

Paper presented at the 9th ISRM Congress, August 25–28, 1999
Paper Number: ISRM-9CONGRESS-1999-213
... construction materials outcrop anhydrite rock mass means stress drop rockburst pillar 1999. A.A. Balkema. Permission to Distribute - International Society for Rock Mechanics. ...
Proceedings Papers

Paper presented at the 9th ISRM Congress, August 25–28, 1999
Paper Number: ISRM-9CONGRESS-1999-108
.... The homogenization method gives macroscopic stiffness of the rock mass from the distribution of cracks and mechanical properties of intact rocks. The macroscopic failure criterion of the mass is also given by numerical analyses based on the homogenization method. construction materials numerical analysis...

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