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Keywords: tunnel
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Proceedings Papers

Paper presented at the ISRM Regional Symposium - 12th Asian Rock Mechanics Symposium, November 22–26, 2022
Paper Number: ISRM-ARMS12-2022-027
...12th Asian Rock Mechanics Symposium, Hanoi, Vietnam - The 2022 ISRM Sponsored Regional Symposium ©2022 ISRM, VSRM. ISBN: 978-604-357-103-5 Do Nhu Trang, Pham Quoc Tuan et al. (Eds.) An Analysis Load-transfer Due to Blasting to the Adjacent Tunnel - a Case Study in Ca Road Tunnel Project Do Nhu...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - 12th Asian Rock Mechanics Symposium, November 22–26, 2022
Paper Number: ISRM-ARMS12-2022-011
...12th Asian Rock Mechanics Symposium, Hanoi, Vietnam - The 2022 ISRM Sponsored Regional Symposium ©2022 ISRM, VSRM. ISBN: 978-604-357-103-5 Do Nhu Trang, Pham Quoc Tuan et al. (Eds.) Combining Empirical and Numerical Approaches for Design of Tunnels using the Norwegian Method Tunnelling (NMT...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - 12th Asian Rock Mechanics Symposium, November 22–26, 2022
Paper Number: ISRM-ARMS12-2022-010
... was built with 2740 m headrace tunnel, underground powerhouse, and 415 m tailrace tunnel. The project was successfully put in operation in December 2018 and in good production since then. This paper presents practical experiences during the design and construction of the project, particularly focuses...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-307
... location among 5 alternative options for starting a middle excavation face through an adit in the Alborz Tunnel Project. The case example shows that the method can be very helpful and important in practical applications of RMR system. 1. Introduction The attempt to classify rock mass for construction...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-316
... Abstract In the construction of pipe-jacking tunnels, simultaneous injecting is a key in controlling surface deformation and jacking force. At present, the traditional simultaneous injecting research is mainly limited to the study of slurry materials and the friction coefficient, while...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-318
... Abstract In the process of urban construction and development, more and more large cross-section tunnels are excavated by shallow mining method for the improvement of traffic demand. The tunnel underpasses the important raw water pressure pipeline for water supply, which brings great...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-359
... Abstract On the basis of the analytic hierarchy process (AHP) and entropy weight method, combined with the statistical results of large deformation under the complex geological conditions of Galigongshan tunnel, the grade cloud model evaluation method of the large deformation of surrounding...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-386
... Abstract The distribution of tectonic stress around the fault is very complicated, which may affect tunnel behavior under the dislocation of fault. Therefore, this paper aims to investigate the influence of tectonic stress on the structural safety of mountain tunnel under the strike-slip...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-374
... Abstract The Gaoloushan tunnel is a two-hole, deep-buried, extra-long rocky cross-ridge tunnel with a maximum depth of approximately 1,680 m. Due to the dual effects of tectonic stress and self-weight stress field, 90% of the tunnel body is subject to extremely high-stress and high-stress...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-347
... Abstract Building information modeling (BIM) technology realizes the integration of multi-discipline fragment information and visual management and strongly supports tunnel dynamic design and digital construction. However, current BIM platforms, such as Revit, are difficult to establish...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-332
... Abstract The number of tunnels crossing fault zones in Western China has inevitably increased. These tunnels would undergo serious damage under the dislocation, especially for the reverse fault condition. Therefore, this study aims to reveal the longitudinal mechanical responses of tunnels...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-371
... Abstract Because of large temperature difference between inside and outside of tunnel lining in high ground temperature environment, thermal stress is easy to occur in the structure, which affects the stability of tunnel lining. In this paper, a three-dimensional thermo-mechanical coupled...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-394
... projects (e.g. underground laboratories and tunnels) were constructed in deep areas with complicated conditions (Jiang et al. 2010). There are many rockbursts in coal mines in China. The earliest rockburst occurred in Shengli Mine in Fushun in 1933. According to incomplete statistics, from 1949 to 1985...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-376
... Abstract During the construction of the Muzhailing tunnel, the maximum deformation of the surrounding rock was more than 2500 mm. When the tunnel is in the breakthrough stage, more attention should be paid to the danger of large deformation in order to ensure the safety of construction...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-414
... Abstract Under complex engineering-geological conditions, the drill and blast method is often adopted to excavate a tunnel. The smooth blasting method (SBM) is used to control excavation quality. However, over break and under break often occur and even cause engineering disasters. Therefore...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-441
... geologist environmental geology discharge tunnel hydrogeology society iop publishing iop conf hydraulic conductivity transient discharge structural geology reservoir characterization construction deep-buried tunnel tunnel discharge precipitation sedimentary rock rock type...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-449
... Distance". According to the final collapse form of karst soil cave-funnel-shaped collapse influence area, the critical slope angle β is proposed in the subway tunnels risk section "Red Line of Safety Warning". Then the critical safety warning distance a safe is calculated by FLAC 3D numerical...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-420
... Abstract The aim of the present study is to estimate the reinforcing effects of fiber reinforced plastic (FRP) grids embedded in polymer cement mortar (PCM) shotcrete (FRP-PCM method) on tunnel linings, under the seismic load. Direct shear test was conducted to investigate the mechanical...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-429
... Abstract Tunnel portals are one of the most vulnerable sections that suffer the risk of instability during earthquakes because they are generally located in poor geological conditions. What makes this case studied in this work even more special are the oblique incident seismic waves...

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