Rock Fall Risk - Modular Risk Management

Rainer Kienreich; Thomas Marcher; Alexander Kluckner

Rock Fall Risk - Modular Risk Management

Rainer Kienreich, Thomas Marcher, Alexander Kluckner

Institute of Rock Mechanics and Tunnelling (2200)

Research output: Chapter in Book/Report/Conference proceeding › Conference paper › peer-review

Abstract

Rockfall is an alpine phenomenon and must be understood as a risk. Due to the large number of events, detailed geotechnical investigations are not possible in many cases. In this article, a processing workflow is presented that enables an evaluation of a natural rockfall trigger risk. The trigger risk as well as the extent of damage are categorized in a risk matrix. The study of 485 outcrops at several rock slopes shows that without groundwater influence, predominantly stable conditions exist; with groundwater, the stability drops by around 20 %. In the case of a risk value of the "high" class, individual case assessments are necessary; in the case of the "medium" classification, organi- zational measures are required to minimize liability.

Original language	English
Title of host publication	Proceedings of the 15th International ISRM Congress 2023 & 72nd Geomechanics Colloquium
Subtitle of host publication	Challenges in Rock Mechanics and Rock Engineering
Editors	Wulf Schubert, Alexander Kluckner
Place of Publication	Salzburg
Publisher	Austrian Society for Geomechanics
Pages	1043-1048
Number of pages	6
ISBN (Electronic)	978-3-9503898-3-8
Publication status	Published - 1 Oct 2023
Event	15th ISRM Congress 2023 & 72nd Geomechanics Colloquium: ISRM 2023 - Congress Salzburg, Salzburg, Austria Duration: 9 Oct 2023 → 14 Oct 2023 https://www.isrm2023.com/de/

Conference

Conference	15th ISRM Congress 2023 & 72nd Geomechanics Colloquium
Abbreviated title	ISRM 2023
Country/Territory	Austria
City	Salzburg
Period	9/10/23 → 14/10/23
Internet address	https://www.isrm2023.com/de/

Access to Document

https://eposter.at/ISRM2023/data/PDF/1330.pdf

15th ISRM Congress 2023 & 72nd Geomechanics Colloquium
Winkler, M. (Participant), Unterlaß, P. J. (Participant), Geisler, T. (Participant), Marcher, T. (Chair), Frühwirt, T. (Chair), Dobita, P. (Participant), Wölflingseder, M. (Participant), Shringi, V. (Participant), Sapronova, A. (Participant), Kaufmann, A. (Participant), Blümel, M. (Participant) & Soliman, A. A. F. E. (Participant)
10 Oct 2023 → 13 Oct 2023
Activity: Participation in or organisation of › Conference or symposium (Participation in/Organisation of)

Cite this

Rock Fall Risk - Modular Risk Management. / Kienreich, Rainer; Marcher, Thomas; Kluckner, Alexander.
Proceedings of the 15th International ISRM Congress 2023 & 72nd Geomechanics Colloquium: Challenges in Rock Mechanics and Rock Engineering. ed. / Wulf Schubert; Alexander Kluckner. Salzburg: Austrian Society for Geomechanics, 2023. p. 1043-1048.

Research output: Chapter in Book/Report/Conference proceeding › Conference paper › peer-review

Kienreich, R, Marcher, T & Kluckner, A 2023, Rock Fall Risk - Modular Risk Management. in W Schubert & A Kluckner (eds), Proceedings of the 15th International ISRM Congress 2023 & 72nd Geomechanics Colloquium: Challenges in Rock Mechanics and Rock Engineering. Austrian Society for Geomechanics, Salzburg, pp. 1043-1048, 15th ISRM Congress 2023 & 72nd Geomechanics Colloquium, Salzburg, Austria, 9/10/23. <https://eposter.at/ISRM2023/data/PDF/1330.pdf>

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N2 - Rockfall is an alpine phenomenon and must be understood as a risk. Due to the large number of events, detailed geotechnical investigations are not possible in many cases. In this article, a processing workflow is presented that enables an evaluation of a natural rockfall trigger risk. The trigger risk as well as the extent of damage are categorized in a risk matrix. The study of 485 outcrops at several rock slopes shows that without groundwater influence, predominantly stable conditions exist; with groundwater, the stability drops by around 20 %. In the case of a risk value of the "high" class, individual case assessments are necessary; in the case of the "medium" classification, organi- zational measures are required to minimize liability.

AB - Rockfall is an alpine phenomenon and must be understood as a risk. Due to the large number of events, detailed geotechnical investigations are not possible in many cases. In this article, a processing workflow is presented that enables an evaluation of a natural rockfall trigger risk. The trigger risk as well as the extent of damage are categorized in a risk matrix. The study of 485 outcrops at several rock slopes shows that without groundwater influence, predominantly stable conditions exist; with groundwater, the stability drops by around 20 %. In the case of a risk value of the "high" class, individual case assessments are necessary; in the case of the "medium" classification, organi- zational measures are required to minimize liability.

M3 - Conference paper

SP - 1043

EP - 1048

BT - Proceedings of the 15th International ISRM Congress 2023 & 72nd Geomechanics Colloquium

A2 - Schubert, Wulf

A2 - Kluckner, Alexander

PB - Austrian Society for Geomechanics

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T2 - 15th ISRM Congress 2023 & 72nd Geomechanics Colloquium

Y2 - 9 October 2023 through 14 October 2023

ER -

Rock Fall Risk - Modular Risk Management

Abstract

Conference

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Activities

15th ISRM Congress 2023 & 72nd Geomechanics Colloquium

Cite this