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Title:	The permanent three-dimensional data acquisition of geotechnical structures by means of a web-based application of terrestrial LiDAR sensors / Die permanente dreidimensionale Datenerfassung geotechnischer Strukturen mittels webbasierter Anwendung terrestrischer LiDAR-Sensorik
Abstract:	As part of the i2MON research project, an integrated monitoring service was developed for the identification and evaluation of soil and slope movements in the context of coal mining. The focus was on the correct integration (to give reliability, accuracy and integrity) of a long-range laser scanner into a web-based monitoring system from an engineering geodetic point of view. A web-based application of terrestrial laser scanners has been developed by cooperation between DMT GmbH & Co. KG and RIEGL Laser Measurement Systems GmbH. The system allows a high temporal and spatial resolution for measured value acquisition by means of permanent installation in the vicinity of a monitored object. This article shows how the laser scanner can be remotely controlled within a web-based monitoring platform. In addition, the integration of various sensors (including total station, GNSS, geotechnical sensors) within a project into a uniform monitoring platform based on a web interface and the corresponding data analysis (including the automatic detection of geomorphological processes) will be described. Im Rahmen des Forschungsprojekts i2MON wurde ein integrierter Monitoring-Dienst zur Identifikation und Bewertung von Boden- und Hangbewegungen im Zusammenhang mit dem Steinkohlenabbau entwickelt. Der Fokus lag dabei auf der aus ingenieurgeodätischer Sicht korrekten Integration (Zuverlässigkeit, Genauigkeit und Integrität) eines Long Range Laserscanners in ein webbasiertes Monitoringsystem. In Zusammenarbeit zwischen der DMT GmbH & Co. KG und RIEGL Laser Measurement Systems GmbH ist eine webbasierte Anwendung terrestrischer Laser-Scanner entstanden. Das System erlaubt mittels permanenter Installation im nahen Umfeld eines Überwachungsobjekts eine hohe zeitliche und räumliche Auflösung bei der Messwerterfassung. In diesem Beitrag wird dargestellt, wie der Laserscanner innerhalb einer webbasierten Monitoring-Plattform ferngesteuert werden kann. Darüber hinaus wird die Integration verschiedenster Sensorik (u. a. Totalstation, GNSS, geotechnische Sensorik) innerhalb eines Projekts in eine einheitliche, auf einem Web-Interface basierende Überwachungsplattform und die entsprechende Datenanalyse (u. a. die automatische Erkennung geomorphologischer Prozesse) gezeigt.
Source:	Geomechanics and Tunnelling 15 (2022), No. 5
Page/s:	596-604
Language of Publication:	English/German

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