A proposed foundation design
concept for flexible barriers was first published by Gerber in 2001. An internal report that describes a safety concept of the foundation
loads for the design of rockfall barrier fences was published only in German in
Werner in 2008.
There is currently only one public study focused on the function, design, and efficiency of post
base supports for flexible barriers, that was conducted by the Colorado
Department of Transportation in conjunction with Yeh and Associates. This study looked at low energy dynamic impacts directly to a post and
the resulting displacements of a few anchoring systems. Although this research
provided valuable information, its focus was on direct impacts, which is not
representative of the standard design approach for implementing geohazard
barriers. It also did not result in any guidelines for the design of post base
The proposed research would build
on this earlier work and investigate further loading scenarios to build a basis
for design guidelines. The data collected also would be used for outlining
performance criteria that will help with various research concerns
related to the long-term performance and asset management of these mitigation
systems. A brief list of known, published, research on the subject of post base
support systems is below.
Arndt, B., Arpin, B., Higgins, J.D.,
Thompson, P. (2016). “Guidelines for Certification and Management of Flexible Rockfall
Protection Systems”, NCHRP Report 823, National Cooperative Highway Research
Program, 31 pages.
Arndt, B., Arpin, B., Higgins, J.D.,
Thompson, P. (2015). “Guidelines for Certification and Management of Rockfall
Protection Systems: Final Report”, NCHRP Project 24-35, National Cooperative
Highway Research Program, 171 pages.
Arndt, B., Ortiz, T., Group, R.,
(2014). “Full Scale Testing of Rockfall
Barrier and Post Foundation Systems”, Geotechnical Practice Publications (GPP)
GPP 9, Geo-Influences Proceedings of the 2014 Biennial Rocky Mountain
Geo-Conference, Lakewood, CO, edited by: Strickland, J., Wiltshire, R., Goss,
C., November 7, 2014.
Arndt, B., Ortiz, T.,
Group, R., (2013). “Testing of Rockfall Post Foundations in Colorado”, 64th Highway
Geology Symposium, September 9-12, 2013.
Arndt, B., Ortiz, T., Turner, K.,
(2009). “Colorado’s Full-Scale Field Testing of Rockfall Attenuator Systems”,
Transportation Research Circular E-C141, October 2009.
Gerber, W., (2001).
Guideline for the Approval of Rockfall Protection Kits. Swiss Agency for
the Environment, Forests and Landscapes (SAEFL), and the Swiss Federal
Institute (WSL), Berne, Switzerland, 2001. www.environment-switzerland.ch/publications.
Gerber W. (2008). “Verankerung und
Fundation von Schutznetzen gegen Steinschlag“, Entwurf 2008 zu Kapitel 7
der Schweizer Steinschlagrichtlinie, WSL Switzerland.
Brunet, G., Grimod, A., (2014). “Case Histories on Light Anchor Post System for Flexible Barriers”,
65th Highway Geology Symposium, July
and Telesnicki, M., (2014). “Ground Anchor Selection and Testing – Matching
Ground Anchors to Their Desired Function and Testing Their Serviceability”, 65th
Highway Geology Symposium, July 7-10, 2014.
Scarpato, D. (2016)).
“Rockfall Barrier Foundations and Challenges Associated with Estimating Design
Basis Loads”, 67th
Highway Geology Symposium, July 2016.
Stelzer, G., Bichler,
A. (2013)). “ONR 24810 – A Comprehensive Guideline for Building Better Rockfall
Protection Structures”, 64th Highway Geology Symposium, September 2016.
Platzer K. (2013). “_Kraftmessung entlang von Ankern einer
flexiblen Lawinenverbauung unter dynamischen Einwirkungen, _Geotechnik
Turner, R., Duffy, J., Turner,
J., (2009). “Post Foundations for
Flexible Rockfall Fences”, 60th Highway Geology Symposium, September
29-October 2, 2009.
Volkwein A., Krummenacher B., Wendeler C., (2016). “Load on post foundations of flexible
rockfall barriers“, Interpraevent Luzern Switzerland, 2016.
William F. Kane, W. and
Shevlin, T., (2012). “Rockfall and Debris
Flow Barrier Post Foundation Design”, 63rd Highway Geology Symposium, May