Blanka Tunnels, Špejchar–Pelc-Tyrolka constr., excavated section on the Troja riverside, found. Pits no. 1, 5, 6 - Zakládání staveb, a. s.

Blanka Tunnels, Špejchar–Pelc-Tyrolka constr., excavated section on the Troja riverside, found. Pits no. 1, 5, 6


Blanka Tunnels, Špejchar–Pelc-Tyrolka constr., excavated section on the Troja riverside, found. Pits no. 1, 5, 6

Tunnel tubes on the Troja riverside were carried out in open foundation pits that were more than 0,5 km long. The foundation pits were mostly sheeted with concrete reinforced diaphragm walls down to the bedrock level or with sheet pile walls sealed by standard or jet grouting. The walls were anchored at several levels by temporary anchors. In lower excavation layers below the diaphragm wall toes the bedrock was secured using steel grids fastened with steel pins and covered with a shotcrete protection layer. The supplied works also included carrying out both definitive and temporary anti-flood protection walls taking up on diaphragm walls in the tunnel portal area.

Measures

Concrete reinforced diaphragm walls 600 mm: 1173 m2
Concrete reinforced diaphragm walls 800 mm: 2255 m2
4- and 6-strand temporary anchors for diaphragm
and sheet pile walls: 3852 m
Sheet pile walls: 248 m2
Securing the portal with micropiles: 396 m
Shotcrete: 2996 m3
Jet grouting: 130 m
Anchoring pins : 6271 pcs.

Client

Metrostav Co., Koželužská 2246, Praha 8-Libeň,
Strabag Co., Na Bělidle 198/21, Praha 5 – Smíchov

Investor

Prague City Municipal Council, Mariánské nám. 2, Praha 1

Price

Year

3,44 mil. EUR 2006–2010



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  • Type of construction : Traffic projects
  • Country : Czech Republic
  • Financial volume : 50–100 mil. Kč
  • Completion date : 2006-2010
  • Supporting technologies : Diaphragm walls

Basic data
Administrative address

Zakládání staveb, a. s.,
Dobronická č.p. 1371
148 26 Praha 4

 

E-mail general: info@zakladani.cz
E-mail for offers: zakazka@zakladani.cz
Data box - ID: 44utdij

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Reception desk

Zakládání staveb, a. s.
K Jezu 1, P. S. 21
143 01 Praha 4 - Modřany

ID Number: 49241567
Tax ID Number: CZ49241567

Company registered in the Commercial Register at the Municipal Court in Prague, Section B, Insert 2139.

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