TOP realization – Tunnel Blanka in Prague, construction no. 0080, section Prašný most–Špejchar - Zakládání staveb, a. s. class=" view- no-layout no-task ltr">

TOP realization – Tunnel Blanka in Prague, construction no. 0080, section Prašný most–Špejchar


Tunnel Blanka in Prague, construction no. 0080, section Prašný most–Špejchar

This part of the backbone section of the Blanka tunnel has a length of about 520 m and was made in cut-off tunnels in an open building pit. The construction is located between the Hradčanská metro station and the Svatovítská Street. In the west, this section is connected to the construction of excavated tunnels No. 9515 Myslbekova–Prašný most and to the east to the excavated tunnels of construction No. 0079 Špejchar–Pelc-Tyrolka.
In the pre-excavation secured over the entire length of the construction by the anchored rider bracing, three rows of structural diaphragm walls thickness 800 mm in the depth range of 16,5–23,5 m were realized, which define two tunnel tubes.
Subsequently, a ceiling slab was concreted on the crown of the diaphragm walls, the construction pit was filled, the surface transport was restored, and than excavation inside the tunnel tubes below the ceiling slab and the foundation slab concreting started (made by a higher supplier).

Measures

Concrete reinforced diaphragm walls: 41 653 m3
Rider bracing: 7183 m
4- and 6-strand temporary anchors for rider bracing: 8172 m

Client

Hochtief CZ, a s

Investor

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

Price

Year

583, 9 mil. Kč 2009-2013



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  • Type of construction : Traffic projects
  • Supporting technologies : Diaphragm walls

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

 

E-mail general: info@zakladani.cz
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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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