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Keywords: stability
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Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-107
... may be described as an active wedge and the support must be designed to stabilize this wedge. Upstream Oil & Gas Piezometer rock cut reservoir geomechanics strength cohesion air transportation displacement site investigation sequence investigation rock excavation Reservoir...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-027
... ABSTRACT ABSTRACT: SSR (Slope Stability Rating) classification system is a new rating system which has been proposed in Iran to study the stability of fractured rock slopes of non-structurally controlled failures. In this system, the stability can be evaluated by means of slope design charts...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-052
... model could account for the influence of the intermediate principal stress. Using the above-mentioned model, in this paper, the stability of a tunnel in soft rock will be dis- cussed. In performing the numerical simulation, we change the parameters which affect the behavior of the volumetric strain...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-043
... treated as expendable structures that are ex- pected to fail after some time in operation. The stability of ore pass systems, like other exca- vations, is influenced by the resulting stresses and prevalent structural regimes. They are also expected to maintain their structural integrity, even when sub...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-024
...1 INTRODUCTION Rock mass classification has evolved to satisfy sev- eral often contradictory goals: 1. A quick easily used field tool to assess tunnel stability and support requirements. 2. An accurate assessment of rock mass properties for underground tunnel design, open stope de- sign as well...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-180
... that ensures geomechanical safety (stability of above-ore strata), safety of hydro-geological conditions (including the natural regime of groundwater flow) in the overlain aquifer, and development of the ore field without environmental damage. However for an estimation of received sizes it is quite enough...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-195
... of unconsolidated backfill used to fill the mined stope above it that results upon undermining the sill mat below. The resisting forces are largely governed by the strength properties of the cemented sill mat. This paper presents stability charts derived using numerical codes incorporating variable stope dip angles...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-170
... structural geology borehole reservoir geomechanics laboratory labrie rock material experiment stress tensor canmet mining Canada Resource Canada strain sensor sill pillar Upstream Oil & Gas Ottawa stability sensor stress change 1 INTRODUCTION Mining and excavation of rock material...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-156
... failure coal bed methane reservoir simulation failure zone footwall slope slab failure prism movement prism slip surface footwall slope slab slope failure bedding surface photograph metals & mining complex reservoir Thickness stability photogrammetry survey digital terrain model 1...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-176
... the uppermost underground workings of a mine and that serves to ensure permanently or temporarily the stability of surface elements and underground workings. Stability of the crown pillar is influenced by a number of factors, including: dimensions of the mine openings and crown pillar, low confining stress...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-131
... parameters for the analysis of the foundation stability and the design of the remedial programs and In addition, a seepage analysis of the foundation rock was carried out. The stability analysis of the dam against sliding and uplift pressure was assessed using the equilibrium analysis for the proposed...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-182
.... The nominal ex- traction ratio is 41.9% within a production panel. The openings of large rooms are facilitated by a relatively thick salt cover of 80 (24.4 m). Actual mining and rock mechanics data collection over the last 35 years has established the stability of this 65 wide room and has encouraged...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-157
... to establish the geological resources and define an ultimate pit. The geometry of mining slopes is a compromise between economical, geo- mechanical and operational considerations. Many technical and operational choices will be dictated by the geometry of the ultimate pit. Stability analyses are equally...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-183
... on a solution mining project at the Targu Ocna rock salt deposit, located in the Moldavia region. This paper seeks to analyse the stability of the caverns created in rock salt at the Targu Ocna mining area due to solution mining. In such a shallow deposit (the salt roof is about 200 meters under the surface...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-128
... of these projects, Jinping I and Jinping II on the Yalong River and Baihetan on the Yangtze River, are presented as examples to introduce the general geomechanics challenges associated with the development of these large-scale hydropower -facilities on sites with steep and high river bank slopes. Stability of high...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-153
... ABSTRACT ABSTRACT: Conventional slope stability methods have been found to have several limitations when applied to the design and analysis of pit slopes in strong, fractured rock. Recent analysis of pit wall stability for the operating open pit at Diavik Diamond Mines has led...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-133
... ABSTRACT ABSTRACT: Shahriar dam is a double-curvature concrete arch dam which is under construction near the town of Mianeh in northwest of Iran. The alluvial sediments in the riverbed of the dam are underlain by lowstrength clay and therefore are likely to cause slope stability failures...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-168
... access ramp and stope accesses were driven within a weak rock mass comprised largely of tuff, conglomerate, mudstone, andesite and volcanoclastic rocks. To ensure overall ground stability, a rigor- ous quality control and assurance program was implemented. This paper looks at the methods used at Kenca...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-134
... laboratory (DUSEL), where advances in particle physics (Waxman 2007) may develop in concert with the search for deep life, and concomitantly spur advances in geo-engineering and in geo-science. reservoir geomechanics experiment stability cavity strength laboratory excavation Reservoir...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-169
... loading criteria stability sequence mining sequence stress field 1 OREBODIES IN SHEAR Experience at the Geomechanics Research Centre (GRC) over the past ten years from three orebodies under shear loading (major far-field stress oblique to strike) shows several characteristic problems...
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