Monitoring of Ground Behavior During the Excavation of an Underground Ramp

Grant Hasan; Alireza Afshani; Hirokazu Akagi; Keiichiro Endou

doi:10.1007/978-3-030-32029-4_61

Monitoring of Ground Behavior During the Excavation of an Underground Ramp

Grant Hasan, Alireza Afshani, Hirokazu Akagi, Keiichiro Endou

School of Creative Science and Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

In large cities, underground spaces are gradually limited and interaction between new excavation and existing underground structure becomes a very important problem. The excavation of several underground ramps was launched in Tokyo to link the aboveground traffic flow with underground tunnels. The ramps approach underground twin tunnels and then connect to them. Detailed monitoring instruments were set on the ground surface and nearby tunnels to monitor ground and nearby structures during excavation. The excavation details of one of the ramps are studied. The ramp has a unique spiral curvature in both vertical and horizontal directions. Ground surface instrumentations and monitoring outputs are discussed along ramp alignment before, during, and after passing of the shield machine through several sections. The transverse and longitudinal ground surface settlement data are mainly discussed and interpreted. Also, a numerical model of one of the ramps was created to investigate various influencing parameters and prospect the behaviour of ground-tunnels systems where field data are not available. The predicted results are also limited to tunnelling-induced ground displacement.

Original language	English
Title of host publication	Information Technology in Geo-Engineering - Proceedings of the 3rd International Conference ICITG 2019
Editors	António Gomes Correia, Joaquim Tinoco, Paulo Cortez, Luís Lamas
Publisher	Springer
Pages	718-729
Number of pages	12
ISBN (Print)	9783030320287
DOIs	https://doi.org/10.1007/978-3-030-32029-4_61
Publication status	Published - 2020
Event	3rd International Conference on Information Technology in Geo-Engineering, ICITG 2019 - Guimarães, Portugal Duration: 2019 Sep 29 → 2019 Oct 2

Publication series

Name	Springer Series in Geomechanics and Geoengineering
ISSN (Print)	1866-8755
ISSN (Electronic)	1866-8763

Conference

Conference	3rd International Conference on Information Technology in Geo-Engineering, ICITG 2019
Country	Portugal
City	Guimarães
Period	19/9/29 → 19/10/2

Keywords

Curved alignment
Field instrumentation
Ground movements
Monitoring points
Tunnel
Underground ramp

ASJC Scopus subject areas

Geotechnical Engineering and Engineering Geology
Mechanics of Materials

Access to Document

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Cite this

Hasan, G., Afshani, A., Akagi, H., & Endou, K. (2020). Monitoring of Ground Behavior During the Excavation of an Underground Ramp. In A. G. Correia, J. Tinoco, P. Cortez, & L. Lamas (Eds.), Information Technology in Geo-Engineering - Proceedings of the 3rd International Conference ICITG 2019 (pp. 718-729). (Springer Series in Geomechanics and Geoengineering). Springer. https://doi.org/10.1007/978-3-030-32029-4_61

Monitoring of Ground Behavior During the Excavation of an Underground Ramp. / Hasan, Grant; Afshani, Alireza; Akagi, Hirokazu; Endou, Keiichiro.

Information Technology in Geo-Engineering - Proceedings of the 3rd International Conference ICITG 2019. ed. / António Gomes Correia; Joaquim Tinoco; Paulo Cortez; Luís Lamas. Springer, 2020. p. 718-729 (Springer Series in Geomechanics and Geoengineering).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Hasan, G, Afshani, A, Akagi, H & Endou, K 2020, Monitoring of Ground Behavior During the Excavation of an Underground Ramp. in AG Correia, J Tinoco, P Cortez & L Lamas (eds), Information Technology in Geo-Engineering - Proceedings of the 3rd International Conference ICITG 2019. Springer Series in Geomechanics and Geoengineering, Springer, pp. 718-729, 3rd International Conference on Information Technology in Geo-Engineering, ICITG 2019, Guimarães, Portugal, 19/9/29. https://doi.org/10.1007/978-3-030-32029-4_61

Hasan G, Afshani A, Akagi H, Endou K. Monitoring of Ground Behavior During the Excavation of an Underground Ramp. In Correia AG, Tinoco J, Cortez P, Lamas L, editors, Information Technology in Geo-Engineering - Proceedings of the 3rd International Conference ICITG 2019. Springer. 2020. p. 718-729. (Springer Series in Geomechanics and Geoengineering). https://doi.org/10.1007/978-3-030-32029-4_61

Hasan, Grant ; Afshani, Alireza ; Akagi, Hirokazu ; Endou, Keiichiro. / Monitoring of Ground Behavior During the Excavation of an Underground Ramp. Information Technology in Geo-Engineering - Proceedings of the 3rd International Conference ICITG 2019. editor / António Gomes Correia ; Joaquim Tinoco ; Paulo Cortez ; Luís Lamas. Springer, 2020. pp. 718-729 (Springer Series in Geomechanics and Geoengineering).

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