2007年12月，巴尔迪瓦的澳大利亚大学遭遇悲剧。一场持续了三天的大火摧毁了它最重要的建筑之一：科学系。在这场灾难中，留下了一具灰暗的钢筋混凝土骨架，作为唯一的余生。

In December 2007 Valdivia’s Austral University was struck by tragedy. A fire that burned relentlessly for three days destroyed one of its most important buildings: the Science Faculty. A sooty, reinforced concrete skeleton was left as sole remainder of the disaster.

随着建筑物的建成，火灾耗费了多年的研究，论文的工作正在进行中，以及具有巨大价值的生态收藏。

Along with the building, the fire consumed years of research, thesis work in progress, and zoological collections of tremendous value.

 © Pablo Casals Aguirre

(Pablo Casals Aguirre)

两年后，该大学发起了一次全国建筑竞赛，以恢复该建筑，同时保留残余结构。这一战略既具有成本效益，又具有可持续性，减少了拆除建筑物所产生的碳足迹。

Two years later, the University launched a national architectural competition to recuperate the building while preserving the residual structure. Both cost efficient and sustainable, this strategy diminishes the carbon footprint that demolishing the building would produce.

获胜的入口使这座建筑暴露了出来，并以其非同寻常的高度(4.5米)和一个有玻璃的信封打开了这座密封的前建筑，朝向隔壁那座宏伟的植物园。从某种意义上说，它使火灾留下的贫瘠而透明的形象适合居住。

The winning entry leaves this structure exposed, and by way of its unusual height (4.5 meters) and a glazed envelope, opens the hermetic former building towards the magnificent botanical garden that sits next door. In a sense, making inhabitable the barren but transparent image left by the fire.

该项目主要在研究实验室和办公室之间进行。布局将后者放置在平面的周长上，可以看到周围的环境和自然光线。研究实验室，因为他们的内省性质和对控制照明系统的需要，坐在地面规划的核心。所有新的空间都是作为独立容器建造的，永远达不到原来建筑的全部高度。这允许空间被认为是一个连续的整体，被这些数量殖民，并解放了暖通空调管道和公用事业网络的上限。

The program is divided mostly between research labs and offices. The layout places the latter on the perimeter of the plan, with views of the surroundings and natural light. Research labs, because of their introspective nature and the need for controlled lighting systems, sit at the core of the floorplan. All new spaces are built as autonomous containers, never reaching the full height of the original building. This allows the space to be perceived as a continous whole colonized by these volumes and frees the ceiling for HVAC ducts and a utilities network.

 © Pablo Casals Aguirre

(Pablo Casals Aguirre)

这座建筑被设想在三个概念层面：较低的一层，一整层低于街道的水平，有一个混合皮肤预制构件混凝土遮阳和玻璃窗，使它有一个坚实的平台般的外观。

The building is conceived in three conceptual levels: The lower one, a full floor below the street level, has a hybrid skin of prefab concrete shaders and glass windows, giving it a solid podium-like appeareance.

建筑物的顶部两层都覆盖着玻璃幕墙，覆盖着它们的全部高度，就像玻璃盒子，与底层形成鲜明对比。白天的正面反射周围的环境，晚上就像灯一样亮起来。

The top two floors of the building are clad with a glass curtain wall that covers their full height, like a glass box, in contrast with the bottom level. The facade reflects the surroundings during the day, and lights up like a lamp at night.

 © Pablo Casals Aguirre

(Pablo Casals Aguirre)

中层或“夹层”是项目的核心。它的外观是没有建筑物，实现了一半的地板空间，一个有盖的公共广场。作为一个社会枢纽，它通过三座伸长的手臂或桥梁从内到外连接，并通过两层雕塑楼梯(一层是混凝土楼梯，一层是钢楼梯)从下到上层贯穿每一层楼。

The mid-level or “mezzanine” is the heart of the project. Its appearance is the absence of the building, achieved by leaving half of the floor´s space a covered public plaza. Conceived as a social hub, it connects inside to outside through three long-reaching arms or bridges, and lower to upper levels through two sculptural staircases (one of concrete and one of steel) that pierce every floor.

最后，重建主建筑旁边的旧塔结构，以提供洗手间、仓库和机械空间。

Finally, the old tower structure adjacent to the main building is restored to provide restrooms, storage and machinery spaces.

 © Pablo Casals Aguirre

(Pablo Casals Aguirre)

Architects Albert Tidy Arquitectos

Location Universidad Austral de Chile - Calle Gral Lagos 1194, Valdivia, Valdivia, Región de los Ríos, Chile

Category Renovation

Associated Architect Daniel Lazo

Area 10620.0 sqm

Project Year 2012

Photographs Pablo Casals Aguirre, Albert Tidy

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