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Numerical Modelling Analysis of Angle Bracket Connections Used in Cross Laminated Timber Constructions

https://research.thinkwood.com/en/permalink/catalogue2445
Year of Publication
2019
Topic
Connections
Material
CLT (Cross-Laminated Timber)
Application
Wood Building Systems
Walls
Floors
Author
Rezvani, Saeed
Zhou, Lina
Year of Publication
2019
Country of Publication
Canada
Format
Journal Article
Material
CLT (Cross-Laminated Timber)
Application
Wood Building Systems
Walls
Floors
Topic
Connections
Keywords
Finite Element
Abaqus
Three Dimensional Analysis
Angle Bracket
Panels
Load
Language
English
Research Status
Complete
Series
Modular and Offsite Construction (MOC) Summit Proceedings
Online Access
Free
Resource Link
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Numerical Modelling of Nail Laminated Timber-Concrete Composite Floor System

https://research.thinkwood.com/en/permalink/catalogue1619
Year of Publication
2016
Topic
Mechanical Properties
Material
NLT (Nail-Laminated Timber)
Timber-Concrete Composite
Application
Floors
Author
Zhou, Lina
Chui, Ying Hei
Year of Publication
2016
Country of Publication
Austria
Format
Conference Paper
Material
NLT (Nail-Laminated Timber)
Timber-Concrete Composite
Application
Floors
Topic
Mechanical Properties
Keywords
Numerical Model
Abaqus
Four Point Bending Test
Stress-Strain
Language
English
Conference
World Conference on Timber Engineering
Research Status
Complete
Notes
August 22-25, 2016, Vienna, Austria p. 2407-2413
Summary
With the trend towards sustainable building design, timber-concrete composite floor systems attract great interest among building designers and developers as an alternative to the profiled steel-concrete deck that are commonly used in commercial construction. The proposed 2-layer composite floor deck consists of a profiled nail laminated timber (NLT) mainly designed in tension and concrete slab in compression. A numerical modelling approach was developed via commercial software ABAQUS to simulate the composite action of wood-concrete floors under four-point bending. The effects of NLT profile, thickness of concrete slab topping, fastening details, and shear span on composite action were analysed through a comparison of stress-strain development in both concrete and timber layers and the loaddeformation responses in shear connections of composite floors. Initial construction details of this composite floor system were therefore defined based on the preliminary analysis and will be examined further in the experimental phase of the project.
Online Access
Free
Resource Link
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Pinching Effect on Seismic Performance of a SDOF Lightframe Timber Structure

https://research.thinkwood.com/en/permalink/catalogue2542
Year of Publication
2021
Topic
Seismic
Material
CLT (Cross-Laminated Timber)
Light Frame (Lumber+Panels)
Application
Shear Walls
Author
Eini, Ariya
Zhou, Lina
Ni, Chun
Year of Publication
2021
Country of Publication
Canada
Format
Conference Paper
Material
CLT (Cross-Laminated Timber)
Light Frame (Lumber+Panels)
Application
Shear Walls
Topic
Seismic
Keywords
Pinching Behavior
Energy Dissipation
Hysteresis Loop
Light-frame wood
IDA Analysis
SDOF System
Language
English
Conference
World Conference on Timber Engineering
Research Status
Complete
Summary
Although energy dissipation is one of the key factors in resisting seismic force, current design codes only take into account the ductility of the backbone properties of hysteresis curves, and the energy dissipation is usually not accounted for. This paper focuses on understanding and assessing the influence of energy dissipation due to different pinching levels on the seismic performance of a light-frame wood shear wall system. Timber structures with identical backbone curves but different pinching levels were analyzed. Incremental dynamic analyses were run on a single-degreeof-freedom system with varying pinching stiffness and residual strength. The seismic evaluation is presented by the spectral accelerations causing failure of the structure and the hysteresis energy dissipation under a suite of 22 ground motions (2 components per motion) over a wide range of fundamental periods of typical timber structures. Results show that the effect of pinching on the seismic performance of timber structures is period-dependent. Short period structures are more sensitive to the pinching of hysteresis loops compared to long period structures. The residual strength of pinching loops has a greater influence on the seismic performance than the stiffness of the pinching loops. Hysteretic energy dissipation derived from standard reversed-cyclic tests can provide a better understanding on the seismic resistance of timber structures. However, the hysteretic energy under a seismic event at near-collapse stage neither agrees with quasistatic cyclic test’s energy dissipation nor is well correlated to the maximum seismic capacity of the structure.
Online Access
Free
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Structural Response of Mid-Rise Hybrid Building System Consisting of a Light Wood Frame Structure and Stiff Core

https://research.thinkwood.com/en/permalink/catalogue2239
Year of Publication
2015
Topic
Seismic
Material
Light Frame (Lumber+Panels)
Application
Hybrid Building Systems