Seismic Analysis of Super Frame Structure Design for High-Rise Building

高层建筑超级框架结构设计抗震分析

• 批准号: 514919-2017
• 负责人: Marzouk, Hesham
• 金额: $ 1.82万
• 依托单位: Ryerson University
• 依托单位国家: 加拿大
• 项目类别: Engage Grants Program
• 财政年份: 2017
• 资助国家: 加拿大
• 起止时间: 2017-01-01 至 2018-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=639838
• 关键词: Seismic; Analysis; Super; Frame; Structure

As a response to ever denser cities, high rise buildings have become increasingly popular and are growing tallerthan ever. In addition, there is also a developing trend to use modularization that minimizes the constructionschedule and thereby reduces costs. A new efficient structural system for high rise building has been developedcalled the Super Frame (SF). SF structures divide a building structural system into primary and secondarystructures. The primary frames of the SF system are composed of vertical legs in each corner of the buildingwhich are linked by horizontal diaphragm elements at about every 10 to 20 floors. The primary frames resist allvertical, wind, and seismic forces as an exterior structure since the vertical elements are concentrated in thecorner areas of the building, maximizing resistance to the wind and seismic forces. The SF concept has beenrecently used in Asia and the Middle East [1]. However, for such buildings to be built in Canada, they mustconform to Canadian Building Code requirements [2] to ensure their serviceability limit state and ultimate limitstate design under high wind and earthquake loads. The total lateral deformation of the high rise must be underthe Canadian safety limits stated by the code to ensure safety and smooth operation of the high rise building'selevators; these benefits will, in turn, be passed onto rate paying customers.BAH Enterprises is an expert in the field of structural engineering for industrial projects with special emphasison powers stations, power plants (gas, coal, nuclear, wind and solar), electrical transmission projects, andindustrial buildings. BAH is interested in using a combined SF system of High Strength Steel (HSS) framesfilled with Ultra High-Performance Concrete (UHPC) for industrial buildings, as they offer numerousadvantages over other design structures, including lower costs, and more efficient use of space. BAH hasinvestigated the use of such SF designs for industrial buildings, but a lack a sufficient design model,particularly seismic modelling, has prevented practical implementation in projects thus far.

作为对越来越密集的城市的回应，高层建筑变得越来越受欢迎，并且比以往任何时候都要高。此外，还有一种发展趋势是采用模块化，最大限度地缩短施工时间表，从而降低成本。一种新型高效的高层建筑结构体系--超级框架（SF）已经发展起来. SF结构将建筑结构体系分为主结构和次结构。SF系统的主框架由建筑物每个角落的垂直腿组成，这些腿由大约每10到20层的水平隔板元件连接。主框架作为外部结构抵抗所有垂直、风和地震力，因为垂直元素集中在建筑物的角落区域，最大限度地抵抗风和地震力。SF概念最近在亚洲和中东使用[1]。然而，对于在加拿大建造的此类建筑物，它们必须符合加拿大建筑规范要求[2]，以确保其在大风和地震荷载下的正常使用极限状态和极限状态设计。高层建筑的总侧向变形必须控制在规范规定的加拿大安全限值以内，以保证高层建筑自升式电梯的安全平稳运行; BAH Enterprises是工业项目结构工程领域的专家，特别强调发电站，发电厂（天然气、煤炭、核能、风能和太阳能）、输电项目和工业建筑。BAH对在工业建筑中使用高强度钢（HSS）框架和超高性能混凝土（UHPC）的组合SF系统感兴趣，因为它们比其他设计结构具有许多优势，包括更低的成本和更有效的空间利用。BAH已经调查了在工业建筑中使用这种SF设计，但是缺乏足够的设计模型，特别是地震模型，阻碍了迄今为止在项目中的实际实施。