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Value-Driven Design Approach for Optimal Long-Span Timber-Concrete Composite Floor in Multi-Storey Wooden Residential Buildings

https://research.thinkwood.com/en/permalink/catalogue2738
Year of Publication
2020
Topic
Design and Systems
Material
Timber-Concrete Composite
Application
Floors
Author
Movaffaghi, Hamid
Pyykkö, Johan
Yitmen, Ibrahim
Publisher
Taylor&Francis Online
Year of Publication
2020
Format
Journal Article
Material
Timber-Concrete Composite
Application
Floors
Topic
Design and Systems
Keywords
Long Span Floors
TCC
Design Challenges
Mid-Rise
Residential Buildings
Multi-Family
Multi-Storey
Long Span
Serviceability
Sustainability
Language
English
Research Status
Complete
Series
Civil Engineering and Environmental Systems
Summary
Long-span timber-concrete composite (TCC) floor systems have the potential to address the design challenges for conventional wooden floors in residential multi-storey timber frame buildings. The aim of this paper is to develop a design approach for long-span timber-concrete composite floor system of 6–9 m. A framework based on value-driven design approach has been developed for integration of results from graphical multi-objective optimisation, spreadsheet-based analysis, structural static and dynamic finite element analysis, and multi-criteria decision making. To verify the developed framework, a residential five-storey timber frame building as a case study has been studied. Optimal design includes optimised thickness of the concrete and optimised smeared stiffness of connectors for three different comfort classes A to C in descending order. TCC floor with span length 7.3 [m] belonging to comfort class A and TCC floor with span length 9.0 [m] belonging to comfort class C has been chosen as optimal solutions. The results indicate that proposed and innovative design approach is a promising tool for developers, architects and structural engineers when designing optimal long-span timber-concrete composite floor system.
Online Access
Free
Resource Link
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