格拉兹交通主站，奥地利 / Zechner & Zechner ZT GmbH

格拉兹交通主站第一期最近完工，这个投资9000万欧元的交通枢纽在地上广场部分有一个巨大的圈形屋顶，被当地人称为“黄金眼”。地下部分融合了四条交通线，实现国际运输。该交通站对城市发展意义重大。

地下电缆车平台引入自然采光和通风，同时能让火灾的烟雾快速散去。游客在这里能看到地面上城市的酒店和天空，不会迷失方向。展台的外饰面是三种不同灰度的增强纤维混凝土板，形成弯折相间的条纹图案。采用扶梯和电梯满足无障碍通道要求。

地面广场上的环形屋顶“黄金眼”是广场和地下展台的联系通道，另外一个车站大堂。钢结构的黄金眼覆盖面积为3000平方米，用掉了420吨钢材。在现场安装时，采用的是罗算链接各个钢结构，而非焊接的方式链接构件。

地下站台墙面相间扭折的条纹也别运用在广场铺装上，此外广场还有庭荫区和多变形起伏种植床，这些由3zu0景观事务所设计的种植床可以让草坪效果更为立体和具有视觉冲击力，同时还方便人们使用。此外广场也与自行车道相连并有停放自行车的位置。

Graz Main Station Local Transport Hub

Zechner & Zechner Bring the Underground to Graz

After two years construction, and with an investment of 90 million euros, the local transport hub at Graz Main Station is to be finished on time and within budget. The area in front of the station has been redesigned with a new projecting roof, called ‘Golden Eye’ by the locals, marking the centre of the plaza. The tram lines have seen the most modernisation, and now run underground, with all four lines directly connecting with the station. Due to the Local Transport Hub offering international connection, the station will attract around 40,000 passengers.

“ The redesign of the station plaza and moving the tram lines underground allows us to offer passengers an attractive and functional local transport hub. This is a connection between East and West that is hugely important to the development of the city.” Lisa Rücker, Graz deputy mayor and coordinator of roads and traffic planning, at the opening ceremony.

The project has indeed had consequences for development all around the station site. Making the large plaza more attractive has proven to be just the first project for the area. The area’s improvement has reached a second stage with the redesign of Annenstraße, where construction work is ongoing.

The New Tram Stop at the Main Station

The new double-length stop for the tram lines 1, 3, 6 and 7 is situated underground below the green space at Europlatz. The stop is open to the sky above the lines, with covered waiting areas. This allows natural light to illuminate the platforms and provides ventilation that, in the event of a fire, is capable of clearing smoke from the station without need of additional systems. Passengers can also see the neighboring hotel and the sky, which helps them to orientate themselves. Escalators and elevators provide disabled access at plaza level.

The wall and ceiling surfaces of the station are covered with a stripe pattern of fibre-reinforced concrete panels in three different grey tones. The angled and structured surface makes the station seem to have been ‘cut’ from the ground, with these cuts extending onto the surface of the plaza.

Redesign of the Station Plaza

The construction of the new below-ground stop offered the opportunity of adapting  the heterogeneous look of the station plaza and the unsatisfactory layout of routes.

The Projecting Ring Roof, ‘Golden Eye’

The most significant element of the redesign is the covering of the plaza – an oval, ring-shaped disk that provides a ring of shelter to the station concourse and bus stops. The ring roof, called ‘Golden Eye’ by the locals, creates an ‘outer concourse’ outside the existing station concourse. Viewed from below, the roof’s covering reflects a slightly distorted version of the stripes of the plaza pavement, passengers and vehicles, resembling a movie screen projection of their movements.

The primary steel construction of the approx. 3,000 m2 projecting roof is made up of articulated circular-tube supports, the spine, which connects the individual supports, and radial ribs. The total tonnage is approx. 420 tons. Prefabrication on site was used throughout construction. The limited space available at the construction site and short time window available for erecting the structure had also to be taken into consideration. The solution selected was bolting the entire structure together, without on-site welding.

Design of the Plaza

The station’s stripe pattern extends over the paving of the plaza area, and shades into differently designed green zones. The polygon beds of plants, designed by landscape architects 3zu0, and a rolling lawn topography not only makes relaxing in the station plaza much more visually attractive, but also provides various recreational uses. The improvement of bike lane access to the front of the station and creation of new covered bike storage was also part of the building project.