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Keywords: persistence
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Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-432
... for rational slope stability assessment under such conditions. This paper is based on several years of practice and observation. It sets out guiding concepts for stability assessment, including defect orientation mapping, continuity and persistence observations, mechanism definition, and analytical tools...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-507
... ABSTRACT: We developed a new method the air tracer test to investigate the persistence of open cracks and loosening of rock mass slope. In this method, we use smoke, hot air, and/or specific gas as tracers injecting them into open cracks directly or using a specific double packer settled...

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