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Innovative Composite Steel-Timber Floors with Prefabricated Modular Components

https://research.thinkwood.com/en/permalink/catalogue1350
Year of Publication
2017
Topic
Connections
Design and Systems
Mechanical Properties
Material
CLT (Cross-Laminated Timber)
Steel-Timber Composite
Application
Floors
Author
Loss, Cristiano
Davison, Buick
Publisher
ScienceDirect
Year of Publication
2017
Country of Publication
Netherlands
Format
Journal Article
Material
CLT (Cross-Laminated Timber)
Steel-Timber Composite
Application
Floors
Topic
Connections
Design and Systems
Mechanical Properties
Keywords
Prefabricated
Multi-Storey
Residential
Bearing Capacity
Stiffness
Construction
Mechanical Connectors
Epoxy
Modular
Bending Tests
Finite Element Model
Language
English
Research Status
Complete
Series
Engineering Structures
Summary
An innovative steel-timber composite floor for use in multi-storey residential buildings is presented. The research demonstrates the potential of these steel-timber composite systems in terms of bearing capacity, stiffness and method of construction. Such engineered solutions should prove to be sustainable since they combine recyclable materials in the most effective way. The floors consist of prefabricated ultralight modular components, with a Cross-Laminated Timber (CLT) slab, joined together and to the main structural system using only bolts and screws. Two novel floor solutions are presented, along with the results of experimental tests on the flexural behaviour of their modular components. Bending tests have been performed considering two different methods of loading and constraints. Each prefabricated modular component uses a special arrangement of steel-timber connections to join a CLT panel to two customized cold-formed steel beams. Specifically, the first proposed composite system is assembled using mechanical connectors whereas the second involves the use of epoxy-based resin. In the paper, a FEM model is provided in order to extend this study to other steel-timber composite floor solutions. In addition, the paper contains the design model to be used in dimensioning the developed systems according to the state of the art of composite structures.
Online Access
Free
Resource Link
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