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Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development and distribution of consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Products & Practice Spotlight: Massive Sloping Columns
Publication: Concrete International
Appears on pages(s): 42-43
Keywords: formwork, columns, shoring, post-tensioning
Abstract:The 58-story IB Tower in Kuala Lumpur, Malaysia, posed a number of challenges for DAEWOO Engineering and Construction Co. Ltd, but none more so than the structural concrete elements that will produce the distinctive look of the completed tower. In addition to the central elevator and stair core, the building design includes six mega columns connected by sloping post-tensioned columns in a zigzag pattern. The specification for the finish of the sloping columns required that they be formed without ties. EFCO Formwork design engineers conceived a solution to construct the sloping columns without the need for form ties or substantial amounts of shoring and reshoring.
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