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Experimental Analysis of Hybrid Timber-Steel Connections Under Quasi-Static Loading
Engineered Wood Products (EWP) are regaining popularity in the construction industry as a solution to the high carbon footprint of conventional construction materials, due to their low carbon footprint and high potential for recycling at the end-of-life cycle. Due to the brittle behaviour and low stiffness of the EWP structural members and low ductility in their connections, an accidental or deliberate extreme load to a critical structural member could initiate a localised failure which could lead to building collapse. This paper aims to investigate the behaviour of a hybrid timber-steel connection as a key to improving ductility. An experimental study was conducted on six specimens involving two types of connections subjected to quasi-static loading conditions. The first connection type is two steel fin plates placed in the middle of the LVL beam and the second is two steel fin plates placed on each side of the LVL beam and bolted together. The effects of the thickness of the steel plates on the behaviour were examined with 3 varying thick fin plates for each connection type. A 3D Digital Image Correlation (DIC) system was employed to obtain a three-dimensional strain field and review damage modes. The effects of the thickness of the fin plates and the fin plate arrangement on the ductile behaviour of the hybrid timber-steel connection are discussed in detail.
Experimental Analysis of Hybrid Timber-Steel Connections Under Quasi-Static Loading
Engineered Wood Products (EWP) are regaining popularity in the construction industry as a solution to the high carbon footprint of conventional construction materials, due to their low carbon footprint and high potential for recycling at the end-of-life cycle. Due to the brittle behaviour and low stiffness of the EWP structural members and low ductility in their connections, an accidental or deliberate extreme load to a critical structural member could initiate a localised failure which could lead to building collapse. This paper aims to investigate the behaviour of a hybrid timber-steel connection as a key to improving ductility. An experimental study was conducted on six specimens involving two types of connections subjected to quasi-static loading conditions. The first connection type is two steel fin plates placed in the middle of the LVL beam and the second is two steel fin plates placed on each side of the LVL beam and bolted together. The effects of the thickness of the steel plates on the behaviour were examined with 3 varying thick fin plates for each connection type. A 3D Digital Image Correlation (DIC) system was employed to obtain a three-dimensional strain field and review damage modes. The effects of the thickness of the fin plates and the fin plate arrangement on the ductile behaviour of the hybrid timber-steel connection are discussed in detail.
Experimental Analysis of Hybrid Timber-Steel Connections Under Quasi-Static Loading
Lecture Notes in Civil Engineering
Chouw, Nawawi (editor) / Zhang, Chunwei (editor) / Thevarajah, B. E. (author) / Remennikov, Alex M. (author) / Ngo, Tuan D. (author) / Guan, Hong (author) / Gilbert, Benoit P. (author)
Australasian Conference on the Mechanics of Structures and Materials ; 2023 ; Auckland, New Zealand
Proceedings of the 26th Australasian Conference on the Mechanics of Structures and Materials ; Chapter: 27 ; 297-309
2024-09-03
13 pages
Article/Chapter (Book)
Electronic Resource
English
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