Hyllie Terrass, Malmö, Sweden
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“建筑是在光线下将质量巧妙、正确、壮丽地汇聚在一起的杰作。”即使这句话来自勒·柯布西耶，古代的建筑大师们也早就认识到光与影的对立效应的核心作用。这在古代建筑中的凹槽上可以清楚地看到：柱子、支柱和柱子上的垂直、圆形凹槽通过其光影效果创造了纤细的外观。
就像现在一样：每一个建筑细节的形式都只能通过阴影才能变得可见和可识别。因此，建筑师必须在这里区分实际形式和视觉外观。这意味着外立面永远不能随意选择，而是必须始终根据其光影效果背景进行选择。通过 250 多种不同的模板以及创造非常个性化的结构和形状的可能性，RECKLI 为建筑师和建筑者提供了实现外立面所需的照明效果的所有自由。
光与影的交错：RECKLI 1/42 Madeira
对于马尔默的 Hyllie 露台，斯堪斯卡的建筑师选择了我们 RECKLI SELECT 系列的有纹理模板 1/42 Madeira。具有波纹铁皮屋顶外观的凹槽结构是极简主义和现代的，同时通过其形状也创造出了有趣的光影交错效果。与建成后将种植的绿色露台形成鲜明对比，建筑物将具有自己独特的特点。我们的混凝土模板在总计 68.5 平方米的区域内使用了。
主要目标：气候中立
与我们的模板制造一样，Hyllie 露台也是使用最新技术建造的。毕竟，这座 12 层的办公大楼是斯堪斯卡的第一座完全碳中和的建筑物，也是瑞典绿色建筑委员会进行零 CO2 认证的试点研究的一部分。为了获得这一认证，必须满足严格的排放标准，并且在整个寿命周期内不得向大气中释放额外的 CO2 排放量。
因此，采取了诸如建筑物的南向定位、雨水收集和使用回收和本地生产的材料等措施。为了也减少外立面的 CO2 足迹，从一开始就与 UPB 密切合作，他们负责混凝土施工等工作。UPB 在其工厂使用我们的模板浇筑结构混凝土，还设法将混凝土构件的 CO2 排放量减少了约 33%。为此，使用了一种环保水泥，其中正常波特兰水泥的 30% 被高炉渣替换。创新的水泥替代品也用于外墙的外层。
马尔默办公大楼的外立面表明，气候友好但令人兴奋的建筑之间的相互作用至少与光与影的相互作用一样出色。
合作是 Hyllie Terrass 成功的关键
它从问题比答案更多开始，但也坚信解决方案就在附近。斯堪斯卡的尖端可持续性项目是侦探工作和合作的结果，现在正在引起轰动。
马尔默的 Hyllie Terrass 是瑞典最可持续的办公楼之一。作为斯堪斯卡内部和与合作伙伴之间真正伟大合作的结果，它旨在减少其生命周期的气候和环境影响。早在 2016 年，当马尔默的 Hyllie Terrass 项目开始时，斯堪斯卡就有着宏伟的目标。除了其未来主义的建筑和诱人的绿色露台外，该建筑的目标是使其气候足迹尽可能小。Hyllie Terrass 还成为了瑞典绿色建筑委员会新建立的 ZeroCO2 认证体系的试点项目。
“我们知道我们想要实现什么，但我们离知道如何实现还有很长的路要走。唯一确定的是，如果我们要达到认证的高要求，我们就需要找到新的工作方法并与他人合作，”斯堪斯卡商业发展马尔默项目开发经理斯特凡·安德森说。
影响整个行业
项目团队首先列出了排放最高的前 20 项内容。接下来进行了耐心的侦探工作，以找到市场上最可持续的供应商和材料。
“我们翻遍了每一块石头。寻找最可持续的材料，并找到了新的回收方式。我们与热衷于在可持续性方面取得进展的人合作，并用正确的知识扩展了组织。”
这项工作还包括要求供应商和分包商报告其气候足迹。
“为了能够承担我们的任务，他们不得不问自己一个问题，即‘我们的产品到底有多可持续？’，然后向他们的供应商提出同样的问题。通过这种方式，我们的工作产生了涟漪效应，并在多种方式上影响了该行业。”
可再生能源的智能解决方案
Hyllie Terrass 项目中最重要的合作之一是斯堪斯卡与 E.ON 之间的合作，他们开发了一种联合能源解决方案—E.ON Next。这座十二层的办公大楼将使用 100％ 的可再生能源。屋顶上有太阳能电池板连接到电池储存设施。该建筑还连接到智能电网，可以与邻居共享能源。
“ZeroCO2 认证很严格，这就是为什么与他人的合作绝对至关重要的原因。每个参与其中的人都必须在每一步上测试新事物，以减少气候影响，”斯特凡·安德森说。
“这只是开始”
六月份，将是新租户入驻的时候，他们希望“留下深刻印象，但留下小脚印”。建筑将获得 LEED、WELL 和 ZeroCO2 的认证，这些认证是通过一系列措施实现的。从改进气候的混凝土和建筑框架中的回收钢筋到在绿色露台上使用生物炭和与 Swedese 和设计师 Louise Hederström 合作，从建筑废料中生产家具。
“我们为 Hyllie Terrass 所做的工作感到非常自豪，但这只是开始。我们已经证明了这是可能的。现在是其他人扩大良好解决方案的规模的时候，也是我们在下一个项目中继续挑战自己的时候。特别是为了实现斯堪斯卡到 2030 年将二氧化碳排放量减半的目标，”斯特凡·安德森总结道。
"Architecture is the masterly, correct and magnificent play of masses brought together in light.” Even though this quote comes from Le Corbusier – the master builders of antiquity recognised the central role played by the opposing effects of light and shadow early on. This can be seen clearly in the fluting that was widespread in ancient architecture: the vertical, round indentations on columns, pillars and pilasters served to create a slim appearance with their light and shadow effects.
And then as now: the form of every architectural detail only becomes visible and recognisable through the shadows. So architects have to distinguish between the actual form and visual appearance here. This means the facade can never be chosen arbitrarily, but always against the background of its light and shadow effect. With more than 250 different formliners – and the possibility of creating very individual structures and shapes – RECKLI offers architects and builders all the freedom to achieve the desired lighting effects on the facade.
The play of light and shadow: RECKLI 1/42 Madeira
For the Hyllie Terrace in Malmö, the architects at Skanska chose our textured formliner 1/42 Madeira from the RECKLI SELECT series. The ribbed structure with corrugated iron roof look is minimalist and modern, while also creating an interesting interplay between light and shadow through its shape. In contrast to the green terraces that will be planted after completion, the building will have its very own character. Our concrete formliners were used on a total of 68.5 m2.
Main goal: climate neutrality
Just like the manufacture of our formliners, the Hyllie Terrace was also constructed using the latest technologies. After all, the 12-storey office complex is Skanska’s first completely carbon-neutral building – and part of a pilot study by the Sweden Green Building Council for NollCO2 certification. In order to receive this certification, strict emission standards must be met and no additional CO2 emissions must be released into the atmosphere over the entire lifetime.
It is for this reason that measures such as the southern orientation of the building, rainwater collection, and the use of recycled and locally produced materials were decided upon. In order to also reduce the CO2 footprint of the facade, there was close cooperation with UPB from the start, who are responsible for the concrete construction, among other things. UPB – who used our formliners to cast the structural concrete in their plant – also managed to reduce the CO2 emissions of the concrete elements by around 33%. For this purpose, instead of CEM I cement, an environmentally friendly cement was used, in which up to 30% of the normal Portland cement is replaced by blast furnace slag. Innovative cement substitutes were also used for the outer layer of the external walls.
The facade of the office complex in Malmö shows that the interplay of climate-friendly but exciting architecture works at least as well as the interplay of light and shadow.
Collaboration the key to success for Hyllie Terrass
It started with more questions than answers, but also a conviction that the solutions were just down the road. Skanska's cutting-edge sustainability project is the result of detective work and collaborations that are now making waves.
Hyllie Terrass in Malmö, is one of Sweden's most sustainable office buildings. The result of truly great collaborations within Skanska and with partners, it’s built to reduce its lifetime climate and environmental impact. Already in 2016 when the Hyllie Terrass project in Malmö first began, Skanska had big ambitions. In addition to its futuristic architecture and inviting green terraces, the aim was to make the building's climate footprint as small as possible. Hyllie Terrass also became a pilot project for the Sweden Green Building Council’s newly established ZeroCO2 certification system.
"We knew what we wanted to achieve but we were a long way from knowing how we would get there. The only thing that was certain was that we needed to find new work methods and collaborate with others if we were to reach the certification’s high requirements,” says Stefan Andersson, Project Development Manager, Skanska Commercial Development, Malmö.
Impacting the whole industry
The project team began by listing the top twenty items in terms of climate impact. This was followed by patient detective work to find the most sustainable suppliers and materials on the market.
“We have turned over every stone. Searched for the most sustainable materials and found new ways to recycle. We have collaborated with passionate people who want to get ahead in their sustainability efforts and expanded the organization with the right knowledge.”
The work also included requiring suppliers and subcontractors to report their climate footprint.
“To be able to take on our assignment, they had to ask themselves the question ‘how sustainable are our products really?’, and in turn ask their suppliers the same question. This way, our work has had a ripple effect and influenced the industry in several ways.”
Smart solutions for renewable energy
One of the most important collaborations in the Hyllie Terrass project is between Skanska and E.ON, who have developed a joint energy solution – E.ON Next. The twelve-story office building will be supplied with 100 percent renewable energy. There are solar panels on the roof connected to a battery storage. The building is also connected to a smart grid and may share energy with its neighbors.
“The ZeroCO2 certification is tough, and that's precisely why collaborations with others have been absolutely crucial. Everyone involved has had to test new things for us to reduce climate impact at every step,” says Stefan Andersson.
“This is just the beginning”
In June, it will be moving-in time for the new tenants who want to "make a big impression, but leave a small footprint". The building are to be certified for LEED, WELL and ZeroCO2, which have been achieved through a range of measures. From climate improved concrete and recycled reinforcements in the building’s frame to using biochar in the green terraces and producing furniture from construction waste in collaboration with Swedese and designer Louise Hederström.
“We are incredibly proud of the work we have done with Hyllie Terrass, but this is just the beginning. We have shown that it’s possible. Now it is the time for others to scale up good solutions and for us to continue challenging ourselves in the next project. Not least in order to reach Skanska's goal of halving carbon dioxide emissions by 2030,” concludes Stefan Andersson.
