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© Geobrugg AG, CH-8590 Romanshorn, Switzerland
GBE-3000A / 16
V PRODUCT LIABILITY
Rockfall, landslides, debris flows or avalanches are sporadic and unpredictable. The cause is human (buildings,
etc.), for example, or forces beyond human control (weather, earthquakes, etc.). The multiplicity of factors that
may trigger such events means that guaranteeing the safety of persons and property is not an exact science.
However, the risks of injury and loss of property can be substantially reduced by appropriate calculations that ap-
ply good engineering practices, and by using predictable parameters along with the corresponding implementa-
tion of flawless protective measures in identified risk areas.
Monitoring and maintenance of such systems are an absolute requirement to ensure the desired safety level.
System safety can also be diminished through events, natural disasters, inadequate dimensioning or failure to
use standard components, systems and original parts, but also through corrosion (caused by environmental pollu-
tion or other man-made factors as well as other external influences).
In contrast to the one-to-one rockfall tests, which indeed test an extreme load case but still only demonstrate a
standardized situation, in the field the layout and design of a protection system can vary greatly because of the
topography. The influence of such alterations and adaptations cannot always be determined exactly. Critical
points are, for example, post spacing, changes in direction, placement angle of the rope anchor, and the direction
and velocity of impact.
Geobrugg can assist with estimating the influence of larger deviations and special situations, and can offer rec-
ommendations for feasible solutions. Geobrugg cannot, however, guarantee the same behavior as in the one-to-
one rockfall tests. In critical cases, it is advisable to reinforce particular components as compared with the stand-
ard barrier.
Summary of Contents for GBE-3000A
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