Load Measurement on Foundations of Rockfall Protection Systems

Volkwein, Axel; Kummer, Peter; Bitnel, Hueseyin; Campana, Lorenzo (2016). Load Measurement on Foundations of Rockfall Protection Systems. Sensors, 16(2), p. 174. Molecular Diversity Preservation International MDPI 10.3390/s16020174

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Rockfall protection barriers are connected to the ground using steel cables fixed with anchors and foundations for the steel posts. It is common practice to measure the forces in the cables, while to date measurements of forces in the foundations have been inadequately resolved. An overview is presented of existing methods to measure the loads on the post foundations of rockfall protection barriers. Addressing some of the inadequacies of existing approaches, a novel sensor unit is presented that is able to capture the forces acting on post foundations in all six degrees of freedom. The sensor unit consists of four triaxial force sensors placed between two steel plates. To correctly convert the measurements into the directional forces acting on the foundation a special in-situ calibration procedure is proposed that delivers a corresponding conversion matrix.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Service Sector > Institute of Legal Medicine

UniBE Contributor:

Campana, Lorenzo

Subjects:

600 Technology > 610 Medicine & health

ISSN:

1424-8220

Publisher:

Molecular Diversity Preservation International MDPI

Language:

English

Submitter:

Antoinette Angehrn

Date Deposited:

12 Feb 2016 16:32

Last Modified:

05 Dec 2022 14:51

Publisher DOI:

10.3390/s16020174

PubMed ID:

26840315

BORIS DOI:

10.7892/boris.76023

URI:

https://boris.unibe.ch/id/eprint/76023

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