Experimental Evaluation of Connectors Performance for Modular Double-Skinned Composite Tubular Wind Turbine Tower SCIE SCOPUS

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Title
Experimental Evaluation of Connectors Performance for Modular Double-Skinned Composite Tubular Wind Turbine Tower
Author(s)
Kim, Sungwon; Hong, Hyemin; Han, Taek Hee
KIOST Author(s)
Kim, Sung Won(김성원)Han, Taek Hee(한택희)
Alternative Author(s)
김성원; 홍혜민; 한택희
Publication Year
2021-06
Abstract
Three types of connectors were proposed and tested for a modular double-skinned composite tubular (DSCT) wind turbine tower, which is composed of two concentric steel tubes filled with concrete between them. The three proposed types were a socket type connector, an H-type connector, and a bolted-welded with shear key connector. Using the proposed connectors, three modular DSCT tower specimens and a single-body specimen were built. Then, quasi-static tests were conducted to evaluate the performance of the three types of connectors, and their behavioral characteristics and failure modes were analyzed. The test results showed that the bolted-welded with shear key connector specimen exerted an almost equal moment resisting capacity as the single-body specimen; however, the other modular specimens exerted only half the moment resisting capacity of the single-body specimen. Moreover, the results showed that the bolted-welded with shear key connector is applicable in a modular DSCT wind turbine tower as it has equal ductility, maximum lateral displacement, and energy dissipation as the single-body specimen.
ISSN
2076-3417
URI
https://sciwatch.kiost.ac.kr/handle/2020.kiost/41476
DOI
10.3390/app11135899
Bibliographic Citation
APPLIED SCIENCES-BASEL, v.11, no.13, 2021
Publisher
MDPI
Subject
COLUMN
Keywords
DSCT; wind turbine tower; wind power; connection; modular
Type
Article
Language
English
Document Type
Article
Publisher
MDPI
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