Deriving Three-Dimensional Rock Structure from LiDAR Point Clouds for Evaluating Scour of the Ricobayo Dam Spillway

Qian Liu; Daniel Scott Kieffer

Deriving Three-Dimensional Rock Structure from LiDAR Point Clouds for Evaluating Scour of the Ricobayo Dam Spillway

Qian Liu, Daniel Scott Kieffer^*

^*Corresponding author for this work

Institute of Applied Geosciences (2210)

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

Abstract

Rock scour evaluation procedures consider both the erosion capacity of flowing water and the resistance offered by the rock mass. The Block Scour Spectrum (BSS) provides a framework for assessing the rock mass resistance according to details of the discontinuity structure. This study introduces a procedure for identifying and extracting rock block structural elements directly from LiDAR point clouds using open source algorithms to support BSS analyses. The approach offers a road map for tackling the details of discrete fracture network generation and block mould computations. As a case study, spillway scour at the Ricobayo Dam in Zamora, Spain is evaluated.

Original language	English
Title of host publication	Proceedings, 55th US Rock Mechanics / Geomechanics Symposium, June 19-25, 2021.
Publisher	American Rock Mechanics Association
Number of pages	5
Publication status	Published - 2021
Event	55th U.S. Rock Mechanics / Geomechanics Symposium - Virtuell, United States Duration: 18 Jun 2021 → 25 Jun 2021

Conference

Conference	55th U.S. Rock Mechanics / Geomechanics Symposium
Country/Territory	United States
City	Virtuell
Period	18/06/21 → 25/06/21

Keywords

rock mechanics, rock scour, block theory

Fields of Expertise

Sustainable Systems

Cite this

Deriving Three-Dimensional Rock Structure from LiDAR Point Clouds for Evaluating Scour of the Ricobayo Dam Spillway. / Liu, Qian ; Kieffer, Daniel Scott.
Proceedings, 55th US Rock Mechanics / Geomechanics Symposium, June 19-25, 2021.. American Rock Mechanics Association, 2021. 21-2014.

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

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abstract = "Rock scour evaluation procedures consider both the erosion capacity of flowing water and the resistance offered by the rock mass. The Block Scour Spectrum (BSS) provides a framework for assessing the rock mass resistance according to details of the discontinuity structure. This study introduces a procedure for identifying and extracting rock block structural elements directly from LiDAR point clouds using open source algorithms to support BSS analyses. The approach offers a road map for tackling the details of discrete fracture network generation and block mould computations. As a case study, spillway scour at the Ricobayo Dam in Zamora, Spain is evaluated.",

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