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1-15 of 15
Keywords: excavation
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Proceedings Papers
Paper presented at the ISRM IX Latin American Rock Mechanics Symposium, October 16–19, 2022
Paper Number: ISRM-LARMS-2022-23
... latinoamericano rock mechanic symposium editor ix geologist structural geology geological subdiscipline american isbn rock nica symposium lithology characteristic excavation costa rica government reservoir geomechanics isrm international symposium ix 2022 latin isrm espinoza III©XXX...
Proceedings Papers
Paper presented at the ISRM IX Latin American Rock Mechanics Symposium, October 16–19, 2022
Paper Number: ISRM-LARMS-2022-28
... of a project. geologist probability united states government upstream oil & gas hydraulic fracturing geology australia government excavation simposio isrm kuszmaul accident metals & mining estimation australian centre assessment reservoir geomechanics risk management isrm...
Proceedings Papers
Paper presented at the ISRM IX Latin American Rock Mechanics Symposium, October 16–19, 2022
Paper Number: ISRM-LARMS-2022-12
... Abstract The characterization, rock excavatability and volume calculation of excavations carried out during infrastructure works are extremely important given the large amount of ground movement that takes place in this type of construction. The poor characterization of materials can bring...
Proceedings Papers
Paper presented at the ISRM IX Latin American Rock Mechanics Symposium, October 16–19, 2022
Paper Number: ISRM-LARMS-2022-02
... in extremely complex engineering geological environments such as high ground stress and strong tectonic activities, and the engineering disturbances are often very violent (large section, large volume, drilling and blasting method, TBM excavation, etc.). Geological disasters such as hard rock fracturing (deep...
Proceedings Papers
Paper presented at the ISRM IX Latin American Rock Mechanics Symposium, October 16–19, 2022
Paper Number: ISRM-LARMS-2022-37
... Abstract Blasting used for rock excavations induces damage in two stages. First, they generate compression and tension waves, which cause the medium to break. Next, a large volume of gases expands, amplifying the fragmentation of the material and displacing the rock. To estimate the fracturing...
Proceedings Papers
Paper presented at the ISRM IX Latin American Rock Mechanics Symposium, October 16–19, 2022
Paper Number: ISRM-LARMS-2022-16
... Abstract The construction of tunnel portals in hilly terrain or in slope areas often involves difficulties, which are closely related to features, such as slope topography, geology, underneath water, geotechnics, construction geometry and the tunnel excavation method. The initiation...
Proceedings Papers
Paper presented at the ISRM IX Latin American Rock Mechanics Symposium, October 16–19, 2022
Paper Number: ISRM-LARMS-2022-47
... repercussions in the tunnels numerical analyzes, where the development and frequencies of joints depend on the state of stress and the stress release by the excavation, so that the geomechanical conditions of the rock mass are the most affected in the vicinity of the excavation and the less affected...
Proceedings Papers
Paper presented at the ISRM IX Latin American Rock Mechanics Symposium, October 16–19, 2022
Paper Number: ISRM-LARMS-2022-29
..., in the geotechnical design stage and the consideration in the analysis of the optimal bench and berm, as well as the optimization for the design of the global slope angles and inter-ramp slope. However, there may be excavated areas due to old mines that have already been mined and that have not identified voids...
Proceedings Papers
Paper presented at the ISRM IX Latin American Rock Mechanics Symposium, October 16–19, 2022
Paper Number: ISRM-LARMS-2022-61
... Abstract Chemical reaction between anhydrite and water results in the formation of gypsum followed by a significant increase in the volume of the rock mass. Tunnel excavation enables increase of water conductivity around the underground opening which, superimposed to the impact of unloading...
Proceedings Papers
Paper presented at the ISRM IX Latin American Rock Mechanics Symposium, October 16–19, 2022
Paper Number: ISRM-LARMS-2022-62
... Abstract The explosives used for rock excavations induce compression and tension waves, these agents cause the rupture of the medium. To estimate fracturing, an analysis based on the discrete element method (DEM) is presented. Using a set of spheres that are bonded together by a cemented...
Proceedings Papers
Paper presented at the ISRM IX Latin American Rock Mechanics Symposium, October 16–19, 2022
Paper Number: ISRM-LARMS-2022-60
... Abstract The T4 tunnel constructed within the scope of the Ankara - İzmir High-Speed Train Project (Western Part of Turkey), is 2350 m long. While the excavation works in the tunnel were continuing, cracks occurred in the sections where the ring was closed, and invert concrete was completed...
Proceedings Papers
Paper presented at the ISRM IX Latin American Rock Mechanics Symposium, October 16–19, 2022
Paper Number: ISRM-LARMS-2022-52
... geological strength index classification characteristic excavation guillermo gaviria echeverri tunnel nica IIXX LLaattiinnAAmmeerricicaannRRocokckMMecehcahnaicnsicSsymSypmospiuomsium I©X 2S0im22pIoSsRioML,aIStiBnoNa9m7e8r-i9c9a9n2o5-d3e-8M74e-c6ánica de Rocas IAXsuLnactiinónA-mPaerriacagnuaRyock...
Proceedings Papers
Paper presented at the ISRM IX Latin American Rock Mechanics Symposium, October 16–19, 2022
Paper Number: ISRM-LARMS-2022-59
... of the excavation. geology reservoir geomechanics geologist europe government upstream oil & gas paraguay government excavation metals & mining variation young isrm international symposium ix 2022 magnitude equation nica geological subdiscipline simposio isrm editor ix calculation...
Proceedings Papers
Paper presented at the ISRM IX Latin American Rock Mechanics Symposium, October 16–19, 2022
Paper Number: ISRM-LARMS-2022-55
... characteristic uniaxial compressive strength formation editor ix variation weakness plane relation strength excavation IIXX LLaattiinnAAmmeerricicaannRRocokckMMecehcahnaicnsicSsymSypmospiuomsium I©X 2S0im22pIoSsRioML,aIStiBnoNa9m7e8r-i9c9a9n2o5-d3e-8M74e-c6ánica de Rocas IAXsuLnactiinónA...
Proceedings Papers
Paper presented at the ISRM IX Latin American Rock Mechanics Symposium, October 16–19, 2022
Paper Number: ISRM-LARMS-2022-57
... transportation geological subdiscipline geology metals & mining equation reservoir geomechanics latinoamericano isbn cording proceedings isrm international symposium ix 2022 editor ix cavern excavation nica excavation simposio isrm trench rapid excavation cavern crown pillar washington...