... international congress sheet fracture granite reservoir geomechanics strength weathered shear joint shear strength dam foundation basalt discontinuity Montreal rock mechanics isrm13 Reservoir Characterization sheet joint Brazilian Dam Foundation sadowski fracture Brazil foundation 866...

... structures that lead to the leakage were identified and the seepage flow behaviors in the dam foundation and the left bank abutment were assessed. Given the connectivity nature of the sub-vertically oriented fractures that induce the leakage event, it is found that some of the drainage holes with relative...

... concepts, treatment measures and technical features of strengthening the geological defects in the dam foundation will be presented. Upon geological investigation into the dam foundation, a few large-scale weak discontinuities are observed. The rock masses in the left dam foundation are intensively...

...Rock slopes and foundations Harmonising Rock Engineering and the Environment Qian & Zhou (eds) © 2012 Taylor & Francis Group, London, ISBN 978-0-415-80444-8 Importance of anisotropy in dam foundation, estimated by in-situ dilatometer tests B. Abrah, M. Karami & L. Faramarzi Department of Mining...

... reservoir geomechanics classification spancold Upstream Oil & Gas strength Reservoir Characterization dam foundation Proc geomechanics Classification Rocha deformability GPa requirement shear strength celerity deformation modulus rcc dam hardfill dam gravity dam general report...

... contingency planning displacement Artificial Intelligence Engineering reservoir geomechanics dam foundation safety assessment gravity dam assessment rock discontinuity representation discontinuity water pressure rock mass interface rock block Reservoir Characterization...

... ABSTRACT A new approach, named the Vector Sum Method (VSM), is proposed to analyze the anti-sliding stability problems for slope, dam foundation, etc. It is well known that the strength reduction method is generally applied in this field. But the stress state due to the strength reduction...

... concrete on it. To this end, granite bricks were used as preliminary studies. The residual friction angles obtained from two dam foundations, a gneiss and a shaly limestone, are given and are much higher than the conventional values applied in stability studies. Surface measurements using 3D laser...

..."). The whole height of slope from the top to bottom of dam foundation is around 220 m. This paper focuses on the behavior of a large scale slope when the stress was released by bedrock excavation, in particular, on the upper slope which is higher elevation than the dam crest (hereinafter termed "SlopeA...

... Some topics, which difficult the effective use of RMR for dam foundations, are reviewed and a new geomechanics classification system, DMR (Dam Mass Rating), is proposed -as an adaptation of RMR- giving guidelines for several practical aspects in dam engineering and appraisal of dam foundation...

... of the behavior of rock masses in the dam foundation and had formed the base for a detailed interpretation of the failure (Bellier 1967, Bernaix 1967, Londe & Sabarly 1966, Mary 1968 et al). The causes of this failure continue, however, to interest the engineering and scientific community, Wittke...

... recorded at hydraulic structures occurring in the zone of 7–8 intensity shakings: Karnout dam (h = 35 m) dam foundation assessment structural geology alteration Reservoir Characterization power project Earthquake Upstream Oil & Gas variation geodynamic monitoring operation Russia...

...~ J General report: Dam foundations on rock Rapport g~neial: Les fondations de grands barrages des roches Generalbericht: TalsperrengrOndungen 1mFels. r ,; J \ (, B.GOGUEL, Coyne et Bellier, ParIs, France ,1.1 t, " . ,. .. , ABSTRACT ::J Brief history of Rock Mechanics and dam foundation design...

..."augmenter le ceofficient de securite des masses rocheuses. ABSTRACT: The paper points out that the frictional drag coming from the two sides of the rockbrock should be taken into consideration in the stability analysis of rockmass under dam foundation in initial stress field. On the basis...

... INTRODUCTION The geology of Albarellos Arch Dam foundation, Orense (NW Spain), consist in a sequence of gneisic granites and gneis with a important development of the cleavage, as the main structural discontinuity. Geologically, that sequence is included in the Centro-Iberica Zone of the Hercinic Mountains...

.... Daraus werden radiale und tangentiale Verschiebungsbetrage gerechnet. dam foundation mebpunkt 14 das verha1ten der grundung zu erkennen Informationen sind werden furwiggemauer fur die mebpunkte 3 judgement seit 1961 die zeit1iche entwick1ung Abb Bauwerksmessungen ist foundation...

... diverses, s'est imposee pour la realisation des ecrans d'etancheite dans les terrains meubles. Pour les roches, le problème de la perforation etait jusqu'à ces dernières annees un obstacle technique et economique. Le procede Hydrofraise est venu à point pour combler cette lacune. dam foundation...

... of water released from the crest spillway and the sluiceways. dam foundation criteria contact face drilling operation Washing Upstream Oil & Gas abutment seam treatment adit tunnel experiment bedding seam Reservoir Characterization shear strength Mortar construction foundation...

... damsites. The measured results indicate that the fill placement causes the compression of dam foundations and the decrease of permeability. Moreover, taking these results into consideration, the authors propose the effective designing of grouting for dam foundations, particularly weak rock foundations...

..._RE_S_UM_E ITAIPO MAIN DAM FOUNDATIONS: DESIGN AND PERFORMANCE DURING CONSTRUCTION AND PRELIMINARY FilLING OF THE RESERVOIR Barrage principal d'itaipu: Conception et comportement pendant la construction et Ie remplissage preliminaire du reservoir GrOndung der Haupt·Talsperre Itaipu: Entwurf und...