Development of a new analytical model for circular concrete ring segments with dry joints under combined effects

IF 3 3区 工程技术 Q2 CONSTRUCTION & BUILDING TECHNOLOGY Structural Concrete Pub Date : 2024-09-18 DOI:10.1002/suco.202400194
S. Hartwig, C. Kang, F. Fürll, F. Klein, M. Classen, S. Marx
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Abstract

Previous models of circular ring segment joints have been inadequate in describing their loading capacity due to the lack of consideration for the interaction between shear force and bending moment. Consequently, these models have led to over‐ or underestimation of the joints' capacity. The increasing use of dry joint connection technology in wind turbine towers and prefabricated segmental bridge constructions necessitates the development of advanced computational models for these connections. This study presents a new model that considers the effects of bending moment, shear force, and torsion on the loading capacity of circular ring segment joints. Numerical simulations were conducted to validate the developed model under different load combinations, and the results demonstrate excellent agreement between the model predictions and numerical simulations.
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为综合效应下带干接缝的圆形混凝土环段开发新的分析模型
由于没有考虑剪力和弯矩之间的相互作用,以往的圆环连接模型无法充分描述其承载能力。因此,这些模型导致高估或低估了连接能力。随着干连接技术在风力涡轮机塔架和预制节段桥梁结构中的应用越来越多,有必要为这些连接开发先进的计算模型。本研究提出了一个新模型,该模型考虑了弯矩、剪力和扭力对圆环节段连接承载能力的影响。在不同的荷载组合下,对所开发的模型进行了数值模拟验证,结果表明模型预测与数值模拟之间具有极佳的一致性。
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来源期刊
Structural Concrete
Structural Concrete CONSTRUCTION & BUILDING TECHNOLOGY-ENGINEERING, CIVIL
CiteScore
5.60
自引率
15.60%
发文量
284
审稿时长
3 months
期刊介绍: Structural Concrete, the official journal of the fib, provides conceptual and procedural guidance in the field of concrete construction, and features peer-reviewed papers, keynote research and industry news covering all aspects of the design, construction, performance in service and demolition of concrete structures. Main topics: design, construction, performance in service, conservation (assessment, maintenance, strengthening) and demolition of concrete structures research about the behaviour of concrete structures development of design methods fib Model Code sustainability of concrete structures.
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