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Keywords: mechanism
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Proceedings Papers

Paper presented at the 15th ISRM Congress, October 9–14, 2023
Paper Number: ISRM-15CONGRESS-2023-162
... of the aforementioned three components in disaster assessment. The key factor such as geological, terrain, distribution of weak plane, volume, process, and landslide mechanism, and finally provide a disaster report to concerned units for the assistance in follow-up decisions. INTRODUCTION Mountains comprise around...
Proceedings Papers

Paper presented at the 15th ISRM Congress, October 9–14, 2023
Paper Number: ISRM-15CONGRESS-2023-172
... ABSTRACT: The earthquake-damaged investigation found that tunnel structures crossed the active fault zone, and its affected area suffered the most severe damage. Through model tests and numerical simulations, the paper reveals the failure mechanism of the utility tunnel structure with flexible...
Proceedings Papers

Paper presented at the 15th ISRM Congress, October 9–14, 2023
Paper Number: ISRM-15CONGRESS-2023-189
... ABSTRACT: Rock falls are one of the most hazardous mountain processes and can show variable failure mechanisms. Therefore, a kinematic analysis is commonly performed to assess which failure mechanisms are favoured by the structural inventory of a rock mass. However, often multiple failure...
Proceedings Papers

Paper presented at the 15th ISRM Congress, October 9–14, 2023
Paper Number: ISRM-15CONGRESS-2023-169
... reservoir characterization rockface crest brazil government metals & mining geological subdiscipline figure 1 rockfall simulation australian geomechanics society differential boulder culminate cloud arkose covid pandemic restriction rockfall protection morraria urucum mechanism...
Proceedings Papers

Paper presented at the 15th ISRM Congress, October 9–14, 2023
Paper Number: ISRM-15CONGRESS-2023-263
... elemental composition rockshotcrete interface building material porosity mechanism 15th ISRM Congress 2023 & 72nd Geomechanics Colloquium. Schubert & Kluckner (eds.) © ÖGG Influence of rock crystal structure on bond strength at the rockshotcrete interface Kunze Li, Hamed Lamei Ramandi, Chengguo Zhang...
Proceedings Papers

Paper presented at the 15th ISRM Congress, October 9–14, 2023
Paper Number: ISRM-15CONGRESS-2023-248
... ABSTRACT: This paper presents an investigation into Actuated Disc Cutting (ADC). The ADC is based on the undercutting mechanism and involves several cutting parameters. To enable an experimental analysis of ADC, a new lab-scaled rock-cutting system is introduced. This system facilitates...
Proceedings Papers

Paper presented at the 15th ISRM Congress, October 9–14, 2023
Paper Number: ISRM-15CONGRESS-2023-250
... ABSTRACT: A cutting-splitting method is developed as a mechanized excavation for rock slope and tunnelling. The technique has two procedures. The first step is the rock cutting as designed dimensions (i.e. depth, spacing, width). The second is the rock splitting process by inserting chisel...
Proceedings Papers

Paper presented at the 15th ISRM Congress, October 9–14, 2023
Paper Number: ISRM-15CONGRESS-2023-296
... in the elevation of the temporary top heading carriageway as well as distinct failure mechanisms were documented in the excavation face of the bench / invert (Figure 1). geologist rock type upstream oil & gas europe government geological subdiscipline excavation structural geology reservoir...
Proceedings Papers

Paper presented at the 15th ISRM Congress, October 9–14, 2023
Paper Number: ISRM-15CONGRESS-2023-312
... into issues related to mining method geometries or support systems. geology reservoir characterization excavation pillar geological subdiscipline caving geologist reservoir geomechanics tunnel mechanism hoek arrangement intersection panel caving assessment utilization mexico government...
Proceedings Papers

Paper presented at the 15th ISRM Congress, October 9–14, 2023
Paper Number: ISRM-15CONGRESS-2023-304
... at high overburden, revealing that high hydraulic gradients may develop close to the face in such situations. Numerical analyses with full hydraulic-mechanical coupling indicate a poorly confined region, subject to seepage forces, forming ahead of the face when approaching a fault zone. The governing...
Proceedings Papers

Paper presented at the 15th ISRM Congress, October 9–14, 2023
Paper Number: ISRM-15CONGRESS-2023-319
... & gas metals & mining stability deformation rock mechanic pillar stability evaluation compression mexico government reservoir geomechanics strength mechanism deposit national autonomous university figure 7 criterion strength envelope estabilidad cnica institute figure 3 15th...
Proceedings Papers

Paper presented at the 15th ISRM Congress, October 9–14, 2023
Paper Number: ISRM-15CONGRESS-2023-327
... ABSTRACT: Hydraulic fracture has become one of the technical means for efficient development of oil and gas reservoirs, and the brittle rock damage characteristics are the key mechanical indicators for fracturing to form complex fracture networks. The current research on brittle rock...
Proceedings Papers

Paper presented at the 15th ISRM Congress, October 9–14, 2023
Paper Number: ISRM-15CONGRESS-2023-400
... the performance of a rock. The process of alteration in a rock consists of the set of transformations to stabilize it at the temperature and pressure of the environment in which it is exposed, succeeding in its disintegration and decomposition, mechanisms related to physical and chemical weathering, respectively...
Proceedings Papers

Paper presented at the 15th ISRM Congress, October 9–14, 2023
Paper Number: ISRM-15CONGRESS-2023-397
... the failure mechanism using acoustic emission (AE) to evaluate the relationship between the parameters of AE and crack/fracture dimension/scale to determine statistical regularity of AE appearance before oncoming rock collapse and features of acoustic wave attenuation during its propagation via rock massive...
Proceedings Papers

Paper presented at the 15th ISRM Congress, October 9–14, 2023
Paper Number: ISRM-15CONGRESS-2023-396
... ABSTRACT: Understanding the mechanical behavior of shale formations is becoming increasingly important. Shales are essential in oil and gas production from tight unconventional resources. In geological carbon sequestration of CO 2 , shales typically form the caprock for geological storage...
Proceedings Papers

Paper presented at the 15th ISRM Congress, October 9–14, 2023
Paper Number: ISRM-15CONGRESS-2023-365
... capacity) tests and SEM experiments were conducted on representative samples. With the combination of caving analysis, the mechanisms of wellbore collapse were investigated for specific strata in Southwestern Tarim. The results showed that in Carboniferous strata, wellbore collapse was the comprehensive...

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