布拉格UCT行人天桥

公司：	ov – a	类型：	建筑
地区：	捷克共和国	标签：	交通空间 \| 桥

这两座人行桥尊重了两座建筑最初计划连接的确切位置，这两座桥是建筑师Antonín Engel于1936年设计。他提议建造两座由弧形和柱子支撑的巨大砖桥，但他的设想从未完全实现。2017年，布拉格化工大学为了完成最初的设想，旨在两座ICT建筑连接成，举办了一次邀请建筑竞赛，对目前的桥梁进行设计。

The two pedestrian bridges respect the exact location of the originally planned connection of the two buildings designed by their author, the architect Antonín Engel from 1936. He proposed to build two massive brick bridges supported by arcs and pillars, but his vision was never entirely fulfilled.In 2017, the University of Chemistry and Technology held an invited architectural competition for the design of the current bridges in order to complete the original idea and connect the two ICT buildings into.

▽项目概览 Overview

▽1936由Antonín Engel设计的桥廊 The bridge designed by Antonin Engel in 1936

两栋楼之间由晶莹剔透的轻型玻璃桥连接。钢管组成的三维网格在旧楼之间起到了拉伸作用。网格连接着一个长方形和一个六边形，它指的是有机化学的世界--苯核。连接桥晶莹剔透的外观带着雕塑般的质感和轻盈，与现有的两座实体古典化建筑相得益彰。两座近乎透明的桥梁仿佛漂浮在24米宽的公共街道之上，因为它们的支撑混凝土柱子完全隐藏在CTU建筑的历史立面之下。琉璃晶体成为ICT的新品牌，它们展示了捷克领先的化学技术大学的动态内心世界。

The buildings are connected by light glass bridges of a crystalline shape. The three-dimensional grid of steel pipes acts as a tension between the old buildings. The grid connects a rectangle with a hexagon, which refers to the world of organic chemistry - the benzene nucleus. The crystalline appearance of the connecting bridges carries the sculptural quality and lightness that complements the two existing solid classicizing buildings. Both the almost transparent bridges are seemingly floating above the 24 meters wide public street beneath them as their supporting concrete columns are entirely hidden underneath the historical façades of the CTU building. The glazed crystals become a new brand of the ICT, they show the dynamic inner world of the Czech leading chemical-technological university.

两座人行天桥的桥梁结构由一根简单的横梁组成，放置在两根钢筋混凝土柱子上，这两根柱子与现有建筑相连，并隐藏在建筑外墙下。柱子在建筑物底部基于微桩支撑的基础分布板。钢结构的对角线作为支柱和拉杆，从而帮助提升桥梁的中央部分。该建筑从外部采用隔热双层玻璃，并采用密封连接。人行天桥的全吊顶加强了结构，防止过热。带混凝土层的地板可以减弱结构的振动。人行天桥采用自动玻璃门封闭。

The bridge structure of both the footbridges consists of a simple girder placed on two reinforced concrete pillars, which are attached to the existing buildings and hidden under their facades. The pillars are based at the base of the buildings on a foundation distribution board supported by micro-piles. The diagonals of the steel structure serve as a strut and tie rods and thus help to lift the central section of the bridge. The construction is glazed from the exterior with thermal insulation double glazing with a sealed joint. The full ceiling of the footbridge strengthens the structure and prevents excessive overheating. The floor with a concrete layer dampens the vibration of the structure. The footbridges are closed by automatic glass doors.

▽在建筑中消隐的结构使得天桥看起来悬浮在空中 The hidden structure in the building makes the overpass appear to be suspended in the air

▽天桥内部空间 Interior spaces

▽天桥内的视野 Viewing from inside the bridge

人行天桥的钢结构是作为超载整体运到现场的。在运输过程中，需要吊装有轨电车小车。在夜间，Evropská大街的电车交通被中断。运输到现场后，该结构在几个小时内由一台移动式起重机安装在一个支架上，其承载能力为40吨。

The steel structure of the footbridge was brought to the site in one piece as an excessive load. During the transport, it was necessary to lift the tram trolleys. At night, tram traffic on Evropská Street was interrupted. After transport to the site, the structure was mounted on a support in a few hours by a mobile crane with a load capacity of 40 tons.

▽项目夜景 Night view