高层建筑风聚焦形状与结构优化的十个问题

IF 7.6 1区 工程技术 Q1 CONSTRUCTION & BUILDING TECHNOLOGY
Magdy Alanani , Ahmed Elshaer , Stephen Vasilopoulos , Seymour M.J. Spence , Girma T. Bitsuamlak , Ashraf El Damatty
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引用次数: 0

摘要

高度超过60米的高层建筑是现代城市的特征,预计将成为未来城市栖息地的重要组成部分。鉴于建筑行业占全球碳排放量的38%,该行业的可持续发展目标至关重要。由于高层建筑设计过程的多维性,优化在开发解决方案方面显示出越来越大的希望,这些解决方案可以在充分探索设计空间和限制计算成本的同时提高设计效率。然而,将建筑概念与结构设计相结合,以确保在不损害结构完整性的情况下满足美学目标是具有挑战性的。此外,横向荷载大小对建筑外部形状和结构细节的关键依赖关系强调了整体设计方法的必要性,以满足高度灵活结构的可维护性和容量要求。高层建筑作为动力敏感结构,需要充分考虑风荷载和地震荷载对结构体系的影响。本文提供了高层建筑结构优化的路线图,重点关注风荷载,提出了设计参数、算法和建模技术的观点,以及在各个设计阶段利用机器学习。它还评估了不同负载类型对优化过程的影响,代理模型在促进设计框架中的作用,以及提供超越当前能力的有前途的解决方案的创新方法。最后,本文提出了今后高层建筑优化设计的研究方向。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Ten questions concerning wind-focused shape and structural optimization of tall buildings
Tall buildings, over 60 m in height, are characteristic of modern urban cities and are expected to form a significant portion of future urban habitats. Given that the construction industry accounts for 38% of worldwide carbon emissions, targeting sustainability in this sector is vital. Due to the multi-dimensional nature of the tall building design process, optimization shows growing promise in developing solutions that increase design efficiency while sufficiently exploring design spaces and limiting computational costs. However, integrating architectural concepts with structural design to ensure that aesthetic goals are met without compromising structural integrity is challenging. Additionally, the critical dependency of lateral load magnitudes on a building’s outer shape and structural details underscores the need for a holistic design approach to meet both serviceability and capacity requirements for highly tall and flexible structures. Characterized as dynamically sensitive structures, tall buildings require thorough consideration of wind and seismic loads, which exert a dominant influence on the structural system. This paper provides a roadmap for the structural optimization of tall buildings, focusing on wind loads, presenting a perspective on design parameters, algorithms, and modelling techniques, in addition to utilizing machine learning in various design stages. It also assesses the impact of different load types on the optimization process, the role of surrogate models in facilitating design frameworks, and innovative methods offering promising solutions surpassing current capabilities. Cumulatively, this paper addresses avenues for future research into optimization and tall building design.
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来源期刊
Building and Environment
Building and Environment 工程技术-工程:环境
CiteScore
12.50
自引率
23.00%
发文量
1130
审稿时长
27 days
期刊介绍: Building and Environment, an international journal, is dedicated to publishing original research papers, comprehensive review articles, editorials, and short communications in the fields of building science, urban physics, and human interaction with the indoor and outdoor built environment. The journal emphasizes innovative technologies and knowledge verified through measurement and analysis. It covers environmental performance across various spatial scales, from cities and communities to buildings and systems, fostering collaborative, multi-disciplinary research with broader significance.
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