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Bulletin of Engineering Geology and the Environment

Erschienen in:

01.05.2016 | Original Paper

Stability analysis of a tunnel using LIDAR data and the keyblock method

verfasst von: Agustín Menéndez-Díaz, Ramón Argüelles-Fraga, Silverio García-Cortés, Celestino Ordóñez-Galán

Erschienen in: Bulletin of Engineering Geology and the Environment | Ausgabe 2/2016

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Abstract

We describe a stability study for a tunnel excavated in a fractured rock mass. The proposed methodology uses automatic and semi-automatic algorithms to extract joint sets from a LIDAR point cloud. Using that information and considering a model of ubiquitous joints, pyramidal and non-pyramidal unstable blocks were identified using the keyblock method. The algorithms used for the stability analysis were implemented in BLOFOR software, which represented the possible location of the blocks in the tunnel in three dimensions and provided information on tunnel stability, including a safety factor for each block.

Vorheriger Artikel Prediction of squeezing potential of rock masses around the Suruç Water tunnel

Nächster Artikel Specifying the real value of volume loss (V L) and its effect on ground settlement due to excavation of Abuzar tunnel, Tehran

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Titel: Stability analysis of a tunnel using LIDAR data and the keyblock method
verfasst von: Agustín Menéndez-Díaz
Ramón Argüelles-Fraga
Silverio García-Cortés
Celestino Ordóñez-Galán
Publikationsdatum: 01.05.2016
Verlag: Springer Berlin Heidelberg
Erschienen in: Bulletin of Engineering Geology and the Environment / Ausgabe 2/2016
Print ISSN: 1435-9529
Elektronische ISSN: 1435-9537
DOI: https://doi.org/10.1007/s10064-015-0761-6

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