UHPFRC Footbridge by Petr Tej + Marek Blank + Jan Mourek

Light suspended structure

Project Specs

Location:

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Lužec nad Vltavou是波西米亚靠近梅尔尼克的村庄,它坐落在风景优美的伏尔塔瓦河岸景观之中。自1907年Hořín和Vraňany村庄之间修建侧渠以来,它一直是捷克唯一一个全部领土位于岛上的村庄,该岛屿也是伏尔塔瓦河上最大的岛屿。

Lužec nad Vltavou is a village in Bohemia near Mělník in the picturesque floodplain landscape of the Vltava River. Since 1907, when the lateral canal between the villages Hořín and Vraňany was built, it has been the only village in the Czech Republic that lies on the island with its entire territory. The island is also the largest island on the Vltava River.

▼项目概览,general view © BoysPlayNice

人行天桥横跨Lužec nad Vltavou和Bukol村庄之间不通航的河流,并且位于从瑞典到西西里岛的南北长途自行车路线EuroVelo 7上。

The footbridge runs across the innavigable river flow between the villages of Lužec nad Vltavou and Bukol. The bridge is on the long-distance north-south cycle route EuroVelo 7 leading from Sweden to Sicily.

▼项目俯瞰,top view © BoysPlayNice

▼桥梁外观,external view © BoysPlayNice

▼村庄景观,village landscape © BoysPlayNice

桥梁建筑设计通过先进的UHPFRC材料(超高性能纤维混凝土)实现了轻巧的结构,并采用悬索结构,由索塔和跨度分别为30米和100米的桥身组成,其主体有70米的部分横跨于河上。桥面位于半径为777米的拱上,由可以直接行走的UHPFRC预制节段组成。铰链包括17对密封钢丝绳索。

The architectural design is based on the lightness and subtlety that are made possible by the technologically extremely advanced material UHPFRC (ultra-high performance fiber reinforced concrete). The footbridge is conceived as a suspended structure with one pylon and two fields with spans of 30 + 100 m. The main field crosses the river with a width of 70 m. The bridge deck is led in a high-rise arch with a radius of 777 m and is composed of directly walking prefabricated segments from UHPFRC. The hinges consist of 17 pairs of locked steel ropes.

▼悬索结构与索塔,the suspended structure with one pylon © BoysPlayNice

▼UHPFRC桥面,UHPFRC bridge deck © BoysPlayNice

▼密封钢丝绳,locked steel ropes © BoysPlayNice

桥面固定在河岸上,河面上的部分设有自由悬臂,桥面通过自由钢索相连。所有结构元素统一采用中灰色色调。这座人行天桥与Bukol村庄一侧新栽种的橡树小巷相连,树木将会长得与索塔一样高。

The bridge deck was mounted on the fixed ring above the banks. The part above the river was mounted as a free cantilever. The bridge deck is connected with free cables. All elements of the structure are unified and dematerialized by tones of medium gray color. The footbridge is connected with the landscape by a newly planted oak alley along the road on the Bukol side. The oak trees will grow to the height of the pylon.

▼桥面通过自由钢索相连,the bridge deck is connected with free cables © BoysPlayNice

▼桥下空间,spaces under the bridge © BoysPlayNice

▼夜景,night view © BoysPlayNice

▼立面图,elevation © Klokner Institute at CTU in Prague

▼剖面图,section © Klokner Institute at CTU in Prague

Author:
Petr Tej, architect and bridge engineer
Marek Blank, architect
Jan Mourek, bridge engineer
Contact E-mail:
petr.tej@cvut.cz
marek.blank@cvut.cz
jan.mourek@cvut.cz
Project location: Municipality Lužec nad Vltavou
Project country: Czech Republic
Project year: 2015
Completion year: 2020
Dimensions: span 130 m
Client: Municipality Lužec nad Vltavou
Photographer: BoysPlayNice, info@boysplaynice.com, www.boysplaynice.com
Contractors documentation: Valbek [Lukáš Vráblík, Ondřej Matoušek], www.valbek.cz

Contractor company: Hochtief [Petr Vítek], www.hochtief.cz

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