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Experimental Tests of Cross-Laminated Timber Floors to be Used in Timber-Steel Hybrid Structures

https://research.thinkwood.com/en/permalink/catalogue96
Year of Publication
2014
Topic
Connections
Design and Systems
Seismic
Material
CLT (Cross-Laminated Timber)
Application
Floors
Author
Loss, Cristiano
Piazza, Maurizio
Zandonini, Riccardo
Year of Publication
2014
Format
Conference Paper
Material
CLT (Cross-Laminated Timber)
Application
Floors
Topic
Connections
Design and Systems
Seismic
Keywords
Diaphragms
Residential
Stiffness
Testing
Timber-Steel Hybrid
Conference
World Conference on Timber Engineering
Research Status
Complete
Notes
August 10-14, 2014, Quebec City, Canada
Summary
Hybrid structural systems assembled connecting steel elements and cross-laminated timber panels (CLT) can be a valid alternative to traditional systems in the construction of residential buildings. Such systems can combine the industrialized construction technology typical of steel systems with the advantages offered by CLT panels, namely lightness and geometric stability. Moreover, CLT panels are timber-based products, and wood is recognized as an eco-friendly and eco-compatible material. In hybrid structural systems, the seismic-resistant capacity of the structure can be achieved by ensuring an adequate transmission of actions among the resistant elements, namely plain timber panels (floor and wall) and steel frame elements (beams and columns). Specifically, the interaction between the steel frame and the wood panels shall ensure both horizontal and vertical bracing to floors and walls, respectively. The work presented hereafter concerns the study of the connections to be used among the individual building components of the horizontal elements, with the aim of developing an effective collaboration among the materials, maximizing the level of prefabrication and industrialization of the final components. In particular, the preliminary results of the experimental tests carried out on full-scale steel-to-timber floor specimens, loaded by in-plane actions, will be presented.
Online Access
Free
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Hybrid Steel-Timber Construction Systems for Social Housing Buildings

https://research.thinkwood.com/en/permalink/catalogue1903
Year of Publication
2014
Topic
Design and Systems
Connections
Material
CLT (Cross-Laminated Timber)
Steel-Timber Composite
Application
Wood Building Systems
Author
Loss, Cristiano
Piazza, Maurizio
Zandonini, Riccardo
Year of Publication
2014
Format
Conference Paper
Material
CLT (Cross-Laminated Timber)
Steel-Timber Composite
Application
Wood Building Systems
Topic
Design and Systems
Connections
Keywords
Hybrid Structures
Shear Connections
Composite Structures
Multi-Story
Conference
International Conference on Hybrid Systems
Research Status
Complete
Notes
June 22-24, 2014, Freiburg, Switzerland
Summary
Hybrid construction systems proved to be valid structural solutions for the implementation of multi-storey buildings, especially if they require only the assembly of prefabricated and modular building elements. The structures here considered are designed to make different materials - firstly steel and timber - structurally collaborate, in order to develop a construction system with marked performance and architectonic flexibility features. Such systems can make the most of the heavily industrialized construction technology typical of steel systems, as well as of the advantages offered by CLT panels -lightness and structural stability- in which the timber element is recognized as an eco-friendly and eco-compatible material. Furthermore, in a sustainable urban development prospective, the use of cross-laminated timber panels, in short CLT, is recommended because wood is one of the fewest materials which has the capacity to isolate and store CO2 for a long period of time.
Online Access
Free
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Hybrid Wood-Based Structural System for Multi-Storey Buildings

https://research.thinkwood.com/en/permalink/catalogue1894
Year of Publication
2016
Topic
Design and Systems
Material
CLT (Cross-Laminated Timber)
Steel-Timber Composite
Application
Floors
Frames
Author
Loss, Cristiano
Piazza, Maurizio
Zandonini, Riccardo
Year of Publication
2016
Format
Conference Paper
Material
CLT (Cross-Laminated Timber)
Steel-Timber Composite
Application
Floors
Frames
Topic
Design and Systems
Keywords
Panels
Prefabricated
Shear Tests
Connections
Bending Tests
Conference
International Conference on Structures and Architecture
Research Status
Complete
Notes
July 27-29, Guimaraes, Portugal
Summary
This work concerns modern buildings with a highly prefabricated hybrid steel-timber construction system. The paper shows in detail an innovative modular structure built using standardized construction components. The floors consist of an assembly of composite steel-timber elements with flat CLT slabs, while the main structural framework is an ensemble of concentrically braced steel frames. The document presents two new construction technologies developed for the realization of ultra-light and sustainable composite floors. This study focuses particularly on the problem of the connections required to provide a flexibility-based collaboration between the steel and wooden elements. Several engineered connection solutions have been developed by considering the assembly methods and structural requirements, as well as the manufacturing time and related costs. This document discusses results obtained from an exclusive experimental campaign which includes short and long-term shear tests on connections and bending tests on prototypes of floor elements.
Online Access
Free
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Innovative Construction System for Sustainable Buildings

https://research.thinkwood.com/en/permalink/catalogue140
Year of Publication
2015
Topic
Cost
Design and Systems
Material
CLT (Cross-Laminated Timber)
Application
Wood Building Systems
Floors
Shear Walls
Author
Loss, Cristiano
Piazza, Maurizio
Zandonini, Riccardo
Year of Publication
2015
Format
Conference Paper
Material
CLT (Cross-Laminated Timber)
Application
Wood Building Systems
Floors
Shear Walls
Topic
Cost
Design and Systems
Keywords
Prefabrication
Residential
Timber-Steel Hybrid
Numerical Analysis
Multi-Storey
Joints
Conference
International Association for Bridge and Structural Engineering Conference
Research Status
Complete
Notes
September 23-25, 2015, Geneva, Switzerland
Summary
This paper deals with a contemporary integrated and sustainable construction technology for new residential buildings. Specifically, this research aims at developing innovative steel-timber hybrid structures which allow a rapid assembly of the individual prefabricated components, minimizing the construction times and limiting the costs of the work. The numerical analyses performed on a multi-storey building for social housing will be presented and discussed. The in-plane behaviour of the floors and shear walls will be analysed, considering in particular the types and arrangement of the different timber- and steel-timber joints. The connections to be used among the construction elements will be selected in order to develop a sufficient stiffness, ductility and bearing capacity according to the design criteria for seismic-resistant structures. These connections allow to enhance the on-site assembly operations, therefore working effectively also under harsh climatic conditions.
Online Access
Free
Resource Link
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