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Construction Management for Tall CLT Buildings: From Partial to Total Prefabrication of Façade Elements

https://research.thinkwood.com/en/permalink/catalogue224
Year of Publication
2015
Topic
Cost
Design and Systems
Material
CLT (Cross-Laminated Timber)
Application
Wood Building Systems
Author
Gasparri, Eugenia
Lucchini, Angelo
Mantegazza, Gabriele
Mazzucchelli, Enrico
Publisher
Taylor&Francis Online
Year of Publication
2015
Country of Publication
United Kingdom
Format
Journal Article
Material
CLT (Cross-Laminated Timber)
Application
Wood Building Systems
Topic
Cost
Design and Systems
Keywords
High-Rise
Prefabrication
Tall Wood
Language
English
Research Status
Complete
Series
Wood Material Science & Engineering
Notes
http://dx.doi.org/10.1080/17480272.2015.1075589
Summary
Cross-Laminated Timber is one of the most widely used engineered wood products, thanks to its numerous advantages, among which construction speed is the most appreciated, both by clients and by designers. However, construction scheduling compression refers exclusively to CLT structures, while the rest of the construction process still requires a longer phase to complete vertical enclosures. The aim of the research work presented in this paper is to outline advantages brought about when the degree of envelope prefabrication of tall timber buildings is increased. Results are presented in two sections. The first includes the definition of a case study together with an overview of possible technical details for entirely prefabricated façade solutions, ready to be installed without the need to work via scaffolds. The second deals with construction site management analysis for the case study building, where the determination of specific factors having an influence on time and costs is achieved by varying the prefabrication degree of the various façade configurations and repeating the analysis process. The main findings of this research work demonstrate that comprehensive façade prefabrication allows not only consistent compression of construction scheduling to be achieved, but also for immediate protection of wooden elements from weather agents.
Online Access
Free
Resource Link
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Developing a Large Span Timber-based Composite Floor System for Highrise Office Buildings

https://research.thinkwood.com/en/permalink/catalogue2549
Topic
Design and Systems
Material
CLT (Cross-Laminated Timber)
Application
Floors
Hybrid Building Systems
Country of Publication
Canada
Material
CLT (Cross-Laminated Timber)
Application
Floors
Hybrid Building Systems
Topic
Design and Systems
Keywords
Large Span
Prefabrication
High-Rise
Office Buildings
Tall Timber Buildings
Research Status
In Progress
Notes
Project contact is Frank Lam at the University of British Columbia
Summary
The objective of this project is to develop a large span timber-based composite floor system for the construction of highrise office buildings. This prefabricated floor system could span over 10 m under regular office occupation load, and its use will expedite the construction significantly, converting to multi-million financial savings in a typical 40+ story project, besides the impact on reducing carbon footprint and enhancing living experience.
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Innovation in Hybrid Mass Timber High-Rise Construction: A Case Study of UBC’s Brock Commons Project

https://research.thinkwood.com/en/permalink/catalogue1273
Year of Publication
2017
Topic
General Information
Material
CLT (Cross-Laminated Timber)
Glulam (Glue-Laminated Timber)
PSL (Parallel Strand Lumber)
Application
Hybrid Building Systems
Author
Fallahi, Azadeh
Organization
University of British Columbia
Year of Publication
2017
Country of Publication
Canada
Format
Thesis
Material
CLT (Cross-Laminated Timber)
Glulam (Glue-Laminated Timber)
PSL (Parallel Strand Lumber)
Application
Hybrid Building Systems
Topic
General Information
Keywords
High-Rise
Construction
Design
Prefabrication
Project Coordination
Virtual Design and Construction
Language
English
Research Status
Complete
Summary
With the advocacy for sustainable construction on the rise, use of timber as the main building material is being championed in large-scale construction projects. While the advancement of engineered timber products is addressing some issues that previously limited the use of wood in high-rise construction, there are still challenges such as fire and weather safety, code compliance and negative public perceptions. One main gap in the available resources is the lack of a comprehensive and detailed case study of a high-rise project with wood as the main construction material to capture constraints and innovations necessary in creating success, which has formed the direction of this research. This thesis is focused on documenting a case study of the Brock Commons project, an 18 storey, hybrid timber-concrete residential high-rise located at the University of British Columbia, Vancouver campus, which is the tallest hybrid timber building in the world. The overall research objective was to identify and document the delivery of this innovative project, with a specific emphasis on the innovations necessary to make timber high-rise construction successful and the use of VDC tools in the design and pre-construction process. The case study documents the project context, the design process, the business and industry drivers, and the motivation for construction. Moreover, it investigates the motivations for all stakeholders, identifies the challenges and constraints, and captures the innovative solutions that were utilized to ensure project success. The case study also documents the innovative use of VDC to support prefabrication and overall project coordination. Specifically, it investigates the role of the VDC integrators in the project, the paths of communications with the different project team members, and the inputs and outputs of each phase of design and construction. This research identified lessons learned that can be applied to other construction projects where timber is the main structural component and a heavy use of VDC and pre-fabrication is required. Use of timber and innovative methods in construction have been consistently rising in the past decade, and this research aims to provide a starting point for future efforts in mass timber high-rise construction.
Online Access
Free
Resource Link
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Structural Design and Assembly of "Treet" - a 14-Storey Timber Residential Building in Norway

https://research.thinkwood.com/en/permalink/catalogue1856
Year of Publication
2018
Topic
Design and Systems
Material
Glulam (Glue-Laminated Timber)
CLT (Cross-Laminated Timber)
Application
Wood Building Systems
Author
Abrahamsen, Rune
Arne Malo, Kjell
Publisher
New Zealand Timber Design Society
Year of Publication
2018
Country of Publication
New Zealand
Format
Journal Article
Material
Glulam (Glue-Laminated Timber)
CLT (Cross-Laminated Timber)
Application
Wood Building Systems
Topic
Design and Systems
Keywords
Multi-Storey
Assembly
High-Rise
Modules
Prefabricated
Language
English
Research Status
Complete
Series
New Zealand Timber Design Journal
Online Access
Free
Resource Link
Less detail