Combined compression and bending resistance of steel fibre reinforced concrete tower for wind turbine

IF 5.7 1区工程技术 Q1 ENGINEERING, CIVIL

Thin-Walled Structures Pub Date : 2025-01-10 DOI:10.1016/j.tws.2025.112940

Ji-Ke Tan , Ming-Shu Wang , Mei-Ni Su , Kang Wang , Run Liang , Dai Yang

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引用次数: 0

Abstract

The incorporation of steel fibres in concrete can effectively address the pre-mature cracking and reinforcement congestion issues in wind turbine towers. This study investigated the resistance, failure modes and ductility of steel fibre reinforced concrete (SFRC) towers subjected to the combined compression and bending through cyclic loading tests. Key parameters considered in the study include the wall thickness, the steel fibre dosage, and the methods of tower connection. The results revealed that a greater wall thickness can more effectively reduce crack development. Specimens with 0.8 % steel fibres showed brittle failure, whereas those with 1 % steel fibres exhibited plastic failure. The compression-bending capacity of specimens with epoxy resin applied at connection section increased by 11.4 % compared to the control specimen. Additionally, the study proposed a method for calculating the compression-bending capacity of SFRC tower structures during the post-cracking stage. The predicted values using this design approach closely matched the experimental results, with differences <10 % for all specimens.

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来源期刊

Thin-Walled Structures 工程技术-工程：土木

CiteScore

9.60

自引率

20.30%

发文量

801

审稿时长

66 days

期刊介绍： Thin-walled structures comprises an important and growing proportion of engineering construction with areas of application becoming increasingly diverse, ranging from aircraft, bridges, ships and oil rigs to storage vessels, industrial buildings and warehouses. Many factors, including cost and weight economy, new materials and processes and the growth of powerful methods of analysis have contributed to this growth, and led to the need for a journal which concentrates specifically on structures in which problems arise due to the thinness of the walls. This field includes cold– formed sections, plate and shell structures, reinforced plastics structures and aluminium structures, and is of importance in many branches of engineering. The primary criterion for consideration of papers in Thin–Walled Structures is that they must be concerned with thin–walled structures or the basic problems inherent in thin–walled structures. Provided this criterion is satisfied no restriction is placed on the type of construction, material or field of application. Papers on theory, experiment, design, etc., are published and it is expected that many papers will contain aspects of all three.