MGM COTAI, the integrated resort opened to public in 2018, has achieved a GUINNESS WORLD RECORDS title on 19th January, 2019. The Spectacle at MGM COTAI, is the record holder of the largest free-span gridshell glazed roof (self-supporting), making it the first architectural and structural GUINNESS WORLD RECORDS title for Macau, China. The announcement also makes this engineering marvel a new ‘go-to’ attraction that puts the icing on the cake at the 20th anniversary of the establishment of the Macau SAR.
视博广场设计充满创意和动感，并糅合科技与大自然元素。视博广场天幕耗资逾3700万美元兴建的，楼高37米，为无柱式建筑，采用三角网格钢壳结构形式，面积达8073.1平方米（相等于30个标准网球场面积），现获认证为最大的悬跨网架式结构玻璃屋顶（自支撑）。美高梅邀请Kohn Pedersen Fox Associates建筑事务所与奥雅纳（ARUP）接受挑战，连手构思天幕的结构概念和几何形态，工程设计则由邵贤伟建筑工程师事务所有限公司负责。天幕采用精密的斜交网格净跨钢结构，纵向跨度长达138.5米，没有任何支柱支撑；由4365个横梁和1531个横梁节点组成，重约2000吨（约1000辆汽车），在工程界实属罕见。作为线条流动的多拱形建筑，天幕通过高效的外壳结构体系设计和大跨度单层结构，巧妙地扩宽了视博广场的空间感，使其在视觉上更显宏伟，同时亦减少了对外部景观的阻碍，并确保安装展览悬挂点的灵活性。
The Spectacle is an immersive space of creative and dynamic design, merging nature and cutting-edge technology. Costed over US$37 million to build, the Spectacle Roof is 37m high and is covered by 8,073.1 meter square (equivalent to playing area of 30 tennis courts) free-forming triangulated steel grid shell supported only along its perimeter. MGM challenged Kohn Pedersen Fox Associates who collaborated with ARUP to conceive the structural concept and geometry of this expansive glass canopy. Engineered by Siu Yin Wai & Associates Limited (Hong Kong), this meticulously engineered steel diagrid structure spans over the podium space with a clear longitudinal span up to 138.5m, without being supported by any internal columns. Consisted of 4,365 beams and 1,531 beam nodes, the roof structure weighs approximately 2,000 tons (around 1,000 cars). The essence of this impossible engineering marvel is with its unconventional dramatic, flowing, multi-vaulted form results from an efficient structural shell, maximizing the volume of space within the podium area, while minimizing the obstruction of views to the exteriors. In addition to achieving this long span in a single layer structure, the roof design allows maximum flexibility in locating hanging points for exhibition purposes.
The Spectacle is an immense 360-degree digital canvas with 25 LED screens in varying sizes, showcasing an exclusive array of digital art collected from around the globe day-and-night. It is also a state-of-the-art indoor vertical garden with more than 100,000 plants, offering a relaxing ambience for dining and leisure. Beneath the expansive glass canopy, the Spectacle seems to be alive, continually evolving and responding to changing conditions such as visitor behaviors, weather, time of day or season, which redefines the way people experience art, entertainment and dining through seamlessly integrated technology.
Avenida da Nave Desportiva, Cotai, Macau
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