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Design of new highway bridges Tripoli - Megalopolis

PROJECT:  Design of new highway bridges Tripoli - Megalopolis

CLIENT: Public administration.
ASSOCIATED OFFICES: A Preza - S. Pilitsis - D. Tolis and colleagues.

BRIEF DESCRIPTION:
 
Detailed and final design of bridges for the new highway, under contract with the government but also on the construction of the project with construction firms Euclides S.A. and the "Greek Ydrokataskevi" S.A.
 
Detailed designs
  • Underpass at Ch 2+895. Closed box frame with transverse opening / theoretical 12.0m, skew angle 67deg, deck width 25.4m. Reinforced concrete, shallow foundation.
  • Overpass at Ch 4+900. 3 span portal frame L=59.7μ (14.1+31.5+14.1, deck width 10.5m. Prestressed  concrete, shallow foundation.
  • Overpass at Ch . 5+653. 3 span portal frame L=53.5μ (14.5+24.5+14.5), deck width 10.5m. Prestressed  concrete, shallow foundation.
  • Stream passage (Small Valtetsorema). Closed box frame with transverse opening / theoretical 8.80m,skew angle 85deg, length 46.0m. Reinforced concrete, shallow foundation.
  • Stream passage (Big Valtetsorema). Closed box frame with transverse opening / theoretical 10.80m,skew angle 60deg, length 43.5m. Reinforced concrete, shallow foundation
  • Underpass at Ch 1+973. Closed box frame with transverse opening / theoretical 11.7m, skew angle 70deg, deck width 31.0m. Reinforced concrete, shallow foundation
  • Overpass at TD9. 3 span portal frame L=61.5μ (16+29.5+16), deck width 9.0m. Prestressed  concrete, shallow foundation.
  • Overpass at Ch 7+601. 3 span portal frame L=63.7μ (17.3+29.1+17.3), deck width 10.5m. Prestressed  concrete, shallow foundation.
Final designs
  • Railway line underpass at TD18. Closed box frame with transverse opening / theoretical 17.5m, skew angle 57deg, deck width 25.7m. Reinforced concrete, shallow foundation
  • Overpass at TD17. Two successive simple spans total length 60.0m (37.5+22.5), deck width 8.5m. Prestressed  concrete, shallow foundation.
  • Alpheus River Bridge length 7x35.25 = 246.75m in difficult geotechnical foundation area, deck width 25.2m. Prestressed concrete, foundation on piles
  • Viaduct (Ch 1+935) for the left stream of the motorway (in Rapsomati section), total length of 153.1m (with 5 typical openings), deck width 16.0m. Prestressed concrete, foundation on piles.
  • Gorge crossing Kalogeriko neck (P103+306) length (left branch) 51.5m, deck width 14.5, length (right branch) 25.05 m, deck width 13.25m. Prestressed concrete, foundation on piles, closed in plan curve (R = 720m).
  • Framed gorge bridge (P114 +3.38) 3 spans, total length of 86.2m, deck width 27.75m, piers height up to 19m. Prestressed concrete, foundation on piles, closed curve (R = 500m).
  • Underpass at Ch 0+798. Closed box frame with transverse opening / theoretical 11.5m, skew angle 60deg, deck width 28.5m. Reinforced concrete, shallow foundation.
 
The project has been completed and in operation.
 
Design years: 1995-2001
Design standards: DIN1072, Greek Earthquake Design Standard

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