乐天世界大厦韩国首尔

业主：乐天集团

项目规模/高度：50.53万平方米/ 555米

类型：办公、商业、住宅、酒店、文化

合作设计单位：Baum Architects (合作建筑设计顾问)

摄影：Tim Griffith (p58, 59, 60,61)

Client: Lotte Group

Size / Height: 505,300 SM / 555 M

Program: Office, Retail, Residential, Hospitality, Cultural

Team: Baum Architects (Associate Architect)

Photography: Tim Griffith (p58, 59, 60, 61)

塔楼高达555米高，垂直部分由变尺寸的铝制肋板组成，沿着建筑精致的锥形外形一直延伸至顶峰。

乐天世界大厦造型优美，与该地区的多山地形形成鲜明对比，体现了韩国艺术界传递出的现代美学。大厦的曲度采用银色玻璃和白色漆皮金属丝线渲染，与陶瓷和书法的优雅相呼应。为了充分表达这种纹理，设计团队选择在每个肋板之间间隔10英尺的模数，并在中间5英尺处使用一条玻璃拼接缝。为了兼顾美观和环保，每块肋板采用对角线切割，从而让建筑轮廓更加清晰可见，确保缝隙中不会积水。

塔楼的基座重复应用其独特的曲度，表达与行人相关的垂直和水平特征的和谐性。彩釉玻璃图案逐渐向地面层延伸。进入内部后，引人注目的9层高大堂呼应了塔楼的几何形状，放射状的线条沿着陶土饰面的巨柱和天花延伸。这一关键部分经历了多种材料的筛选迭代：设计团队从一种灰白色的橡木材料开始，并探索过一种深色的木材，最终确定采用具有印刷木材纹理的塑性塑料。此外，团队持续关注木材质感的表现，旨在于入口处打造温馨感与熟悉感；在确定曲状外形后，这一综合体大厦凭借精致的饰面缓解了其巨大尺度带来的压迫感，欢迎人们前往。

KPF致力于同时打造建筑的入口层的体验和城市形态，大楼的优雅也给首尔天际线带来了纪念性。此外，业主决定将顶部十个楼层加入公共用途（包括公共观景台），也邀请城市参与到建筑中来。

The verticals of this 555-meter tower, composed of telescoping aluminium fins, follow the building’s delicate taper all the way to its peak.

Lotte World Tower’s sleek form contrasts the area’s mountainous topography, conveying a modern aesthetic informed by Korean artistry. Its curvature, rendered in silver glass and filigrees of white lacquered metal, echoes the gracefulness of ceramics and calligraphy. In order to communicate this texture to its fullest, the design team chose to employ a 10-foot module between each fin, with a single glass seam at the 5-foot mark. Each fin was cut diagonally for both aesthetic and environmental purposes, allowing more visibility of the profile and ensuring that water would not pool in its crevices.

The tower’s base reiterates its unique curvature,expressing the harmony of its vertical and horizontal features while relating to the pedestrian.The frit glass pattern expands in a gradient toward the ground level. Moving inside, the dramatic,9-story lobby echoes the geometry of the tower’s form, in which radial lines follow the terracotta mega-columns and the canopied ceiling. This pivotal component endured several material iterations: the design team began with an off-white oak material, explored a darker wood, and settled on a malleable plastic with a printed wood texture.The team’s continued attention to the quality of wood suggests their interest in applying warmth and familiarity to the entrance; when executed in its curved profile, it welcomes visitors to the mixed-use Lotte World Tower with refined finishes that lessen the enormity of its scale.

KPF’s commitment to craft at both the level of its entrance and the sweeping gesture of its urban form reiterate the tower’s elegance as a monument on Seoul’s skyline. In turn, the client’s decision to earmark its top ten stories for public use, including a public observation deck,invites the city to engage with its architecture.