几何与稳定性:吉隆坡115米跨度自由形式屋顶的设计与建造

IF 1.1 Q3 ENGINEERING, CIVIL

Journal of the International Association for Shell and Spatial Structures Pub Date : 2023-06-01 DOI:10.20898/j.iass.2023.008

Catherine Poirriez, Y. Bouzida

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引用次数: 0

摘要

Bukit Jalil Mall是位于马来西亚吉隆坡Bukit Jalil的一个新的高端商业开发项目。商场的主要景点是广场，这是一个由巨型天篷覆盖的外部活动空间，跨度为115米，高20至40米的自由形式钢屋顶覆盖着ETFE，支撑着风扇，灯光和展品，为游客提供了一个通风的，令人印象深刻的80米至100米的无柱空间。虽然复杂，但几何形状的生成充分考虑了可建造性，并促进了ETFE的制造。许多服务都在结构上运行-例如照明电缆，绞车电缆或风扇电缆。该结构的设计使所有的电缆都可以完全隐藏在柱子和主拱上方，以使服务远离视线。具有挑战性的支撑条件使结构极易发生屈曲和摇摆。优化了柱的布局和高度，降低了结构对屈曲的敏感性，同时保持了结构的优雅和轻量化。

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Geometry and Stability: Design and Construction of a 115m Span Freeform Roof in Kuala Lumpur

Pavilion Bukit Jalil Mall is a new high-end commercial development located in Bukit Jalil, Kuala Lumpur, Malaysia. The main attraction of the mall is the piazza, an external event space covered by the Mega Canopy, a 115m span and 20 to 40m high freeform steel roof covered with ETFE, supporting fans, lights and exhibits and providing an aerated and impressive 80m to 100m column-free space for the visitors. Although complex, the geometry was generated to fully take into account the buildability and to facilitate the fabrication of the ETFE. Many services run on the structure - such as lighting cables, winches cables or fans cables. The structure was designed so that all the cables could be fully concealed within the columns and above the main arches to keep the services out of sight. Challenging supporting conditions made the structure highly prone to buckling and sway. Optimization of the columns layout and height enabled to reduce the sensitivity of the structure to buckling while keeping an elegant and lightweight structure.

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来源期刊

Journal of the International Association for Shell and Spatial Structures ENGINEERING, CIVIL-

CiteScore

1.40

自引率

0.00%

发文量

期刊介绍： The Association publishes an international journal, the Journal of the IASS, four times yearly, in print (ISSN 1028-365X) and on-line (ISSN 1996-9015). The months of publication are March, June, September and December. Occasional extra electronic-only issues are included in the on-line version. From this page you can access one or more issues -- a sample issue if you are not logged into the members-only portion of the site, or the current issue and several back issues if you are logged in as a member. For any issue that you can view, you can download articles as .pdf files.