Securing of a foundation pit — Žizkova street II. C in Ústí nad Labem - Zakládání staveb, a. s.

Securing of a foundation pit — Žizkova street II. C in Ústí nad Labem


Securing of a foundation pit — Žizkova street II. C in Ústí nad Labem

Within the framework of modernisation of the city road ring in Ústí nad Labem it was necessary to widen the Žižkova street by moving the road out over the Bílina River. The foundation pit of a linear structure was lagged and sealed with a cofferdam made of sheet piles vibro-rammed into a trench pre-excavated with a grab and filled with clay-cement slurry. The points of contacts with the existing railway bridge pillars and underg-round services were sealed by jet-grouting. This high quality coffer dam sealing prevented potential water leakage and ensured that the foundation pit remained dry even after it was excavated below the Bílina River surface level.

Measures

Sheet pile walls rammed into the terrain: 270 m
Sheet pile walls fixed into the clay-cement slurry: 5840 m
Pre-excavated trench – 60 cm thickness: 5390 m
3-strand anchors: 990 m
4-strand anchors: 807 m
Micropiles: 302 m
Jet-grouting columns – 100 cm in diameter, approx. 14 m
depth: 1223 m

Client

Association of companies Insky Ltd., – Ravel Ltd.,
Nový svět 100, Ústí nad Labem

Investor

SUS Ústeckého kraje, Gogolova 19, Trmice

Price

Year

1,55 mil. EUR 2003–2004



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  • Type of construction : Traffic projects
  • Country : Czech Republic
  • Financial volume : 50–100 mil. Kč
  • Completion date : 2001-2005
  • Supporting technologies : Driving

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148 26 Praha 4

 

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Zakládání staveb, a. s.
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