A1 Highway Pyrzowice-Piekary Śląskie 2011 - Geobrugg A1 Highway Pyrzowice-Piekary Śląskie 2011 - Geobrugg
A1 Highway Pyrzowice-Piekary Śląskie 2011 - Geobrugg A1 Highway Pyrzowice-Piekary Śląskie 2011 - Geobrugg
A1 Highway Pyrzowice-Piekary Śląskie 2011 - Geobrugg A1 Highway Pyrzowice-Piekary Śląskie 2011 - Geobrugg
A1 Highway Pyrzowice-Piekary Śląskie 2011 - Geobrugg A1 Highway Pyrzowice-Piekary Śląskie 2011 - Geobrugg
A1 Highway Pyrzowice-Piekary Śląskie 2011 - Geobrugg A1 Highway Pyrzowice-Piekary Śląskie 2011 - Geobrugg
A1 Highway Pyrzowice-Piekary Śląskie 2011 - Geobrugg A1 Highway Pyrzowice-Piekary Śląskie 2011 - Geobrugg
A1 Highway Pyrzowice-Piekary Śląskie 2011 - Geobrugg A1 Highway Pyrzowice-Piekary Śląskie 2011 - Geobrugg
A1 Highway Pyrzowice-Piekary Śląskie 2011 - Geobrugg A1 Highway Pyrzowice-Piekary Śląskie 2011 - Geobrugg
A1 Highway Pyrzowice-Piekary Śląskie 2011 - Geobrugg A1 Highway Pyrzowice-Piekary Śląskie 2011 - Geobrugg
A1 Highway Pyrzowice-Piekary Śląskie 2011 - Geobrugg A1 Highway Pyrzowice-Piekary Śląskie 2011 - Geobrugg
A1 Highway Pyrzowice-Piekary Śląskie 2011 - Geobrugg A1 Highway Pyrzowice-Piekary Śląskie 2011 - Geobrugg
A1 Highway Pyrzowice-Piekary Śląskie 2011 - Geobrugg A1 Highway Pyrzowice-Piekary Śląskie 2011 - Geobrugg

A1 Highway Pyrzowice-Piekary Śląskie

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Place
A1 Pyrzowice – Piekary Śląskie
Country/Region
Poland
Year of installation
2011
Customer
General Directorate of National Roads and Motorways
Engineering
Complex Project Sp. z o.o. / Transprojekt Kraków Sp. z o.o.
Contractor
BUDIMEX S.A.
Subcontractor
Stump-Hydrobudowa Sp. z o.o. / Italcementaciones S.L.U. / PPI Chrobok S.A. / ZRI Chrobok sp.j.
Protected object
Road
Systems
TECCO® G65/3
Corrosion protection
GEOBRUGG SUPERCOATING®
Stabilized area
180000 m²
Maximum slope height
33 m
Slope inclination
30 ° - 34 °
Protection measure
Active slope stabilization
Greening
Yes
Erosion control mat
Yes
Exposition
-
Geology

Marls, silts, sandstones and limestones.

Situation

The Polish A1 highway connecting Poland from south to north leads through Silesia. Because of the morphology of the terrain, deep cuts were required. Due to geological conditions and also due to the fact that this area is strongly influenced by the hard coal mining activity, slope stabilization was a must.

Description

For the following reasons designers together with the Polish National Roads selected TECCO® SYSTEM³ as a stabilizing solution:

  •  complicated ground conditions – about 12 geotechnical layers were described, only 4 of these were rocks and all others soil in different compositions
  • there was an apprehension that after digging and taking off such mass of material, there will be a release of the energy and consequently, the slopes will be prone to collapse - which is quite common especially for such high slopes
  • the system can be designed and dimensioned against superficial instabilities which offer the possibility to arrange the nails in a more economical way due to the capability of TECCO® mesh in absorbing and transferring high loads
  • when slopes stabilized with TECCO® SYSTEM³ are combined with anti-erosion mats, they can regain a natural or vegetated appearance, which is aesthetically preferred.


TECCO® SYSTEM³ was designed to protect local instabilities of soil and rock masses. This worked perfectly, as first visible small movements occurred which were stopped by the TECCO® mesh shortly after installation.

Your local contact

Head office and production
Head office and production
 
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Geobrugg North America, LLC
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Algodones NM 87001 / USA
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Kevin H. Coyle
Kevin H. Coyle
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Saleh Feidi
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Bob Lyne
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Pierce Runnels, Civil Engineer
Pierce Runnels, Civil Engineer
General Manager Geobrugg North America
Natural Hazards
Geobrugg North America, LLC
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Algodones NM 87001 / USA
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Tim Shevlin
Tim Shevlin
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Salem OR 97302 / USA
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