高层建筑的分期施工分析：文献综述和未来展望

IF 1.8 3区工程技术 Q3 CONSTRUCTION & BUILDING TECHNOLOGY

Structural Design of Tall and Special Buildings Pub Date : 2023-07-17 DOI:10.1002/tal.2043

Ahmed A. Elansary, Abdullah Mabrouk, A. El-Attar

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引用次数: 0

摘要

分阶段施工分析（SCA）最近已成为估计高层建筑（HRBs）设计力和变形的一个显著趋势。SCA是一种非线性逐步分析，模拟施工活动和条件。这是一种数值模拟，考虑了施工过程中的荷载历史、随时间变化的材料行为、环境条件，以及承包商在施工过程中为限制轴向缩短差异而采取的任何特殊措施。然而，建筑规范和指南没有提供足够的规定，明确确定如何进行这类分析。本文全面回顾了SCA以前是如何在理论研究中被采用的，以及它是如何在实际建筑中应用的。它首先批判性地回顾了SCA的不同研究工作。随后，本文提出了开展SCA的近期基本情况。然后，介绍了一系列关于使用现场测量验证SCA作为实际分析程序的研究。此外，目前的论文还回顾了SCA如何具体影响后张力板。在此审查的基础上，提出了一些建议，以帮助制定未来的法典条款，促进最近实践的发展，并启发未来的研究。所进行的审查得出的结论是，应进行更多的调查，以更好地了解在HRB分析过程中考虑SCA对变形和设计力的影响。

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Staged‐construction analysis of high‐rise buildings: A literature review and future perspectives

Staged‐construction analysis (SCA) has recently become a noticeable trend for estimating the design forces and deformations for high‐rise buildings (HRBs). SCA is a nonlinear step‐by‐step analysis that simulates the construction activities and conditions. It is a numerical simulation that considers loading history during construction, time‐dependent material behavior, environmental conditions, and any special measures taken by contractors to limit differential axial shortening during the construction process. However, building codes and guidelines do not provide adequate provisions that clearly identify how to approach this type of analysis. This paper presents a comprehensive state‐of‐the‐art review on how SCA was previously adopted in theoretical research and how it was applied in real buildings. It begins by critically reviewing different research work on SCA. Afterward, the paper puts forward the recent fundamentals of conducting SCA. Then, a series of studies about verifying SCA as practical analysis procedure using field measurements are then presented. In addition, the current paper reviews how SCA can specifically affect post‐tension slabs. Based on this review, several recommendations are provided to help in shaping the future code provisions, add to the development of recent practices, and inspire future research. The conducted review concludes that more investigations should be performed to better understand the effect of considering SCA on the deformations and design forces during HRB analysis.

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来源期刊

Structural Design of Tall and Special Buildings 工程技术-工程：土木

CiteScore

5.30

自引率

4.20%

发文量

审稿时长

6-12 weeks

期刊介绍： The Structural Design of Tall and Special Buildings provides structural engineers and contractors with a detailed written presentation of innovative structural engineering and construction practices for tall and special buildings. It also presents applied research on new materials or analysis methods that can directly benefit structural engineers involved in the design of tall and special buildings. The editor''s policy is to maintain a reasonable balance between papers from design engineers and from research workers so that the Journal will be useful to both groups. The problems in this field and their solutions are international in character and require a knowledge of several traditional disciplines and the Journal will reflect this. The main subject of the Journal is the structural design and construction of tall and special buildings. The basic definition of a tall building, in the context of the Journal audience, is a structure that is equal to or greater than 50 meters (165 feet) in height, or 14 stories or greater. A special building is one with unique architectural or structural characteristics. However, manuscripts dealing with chimneys, water towers, silos, cooling towers, and pools will generally not be considered for review. The journal will present papers on new innovative structural systems, materials and methods of analysis.