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Acoustic Testing and Wood Supply for Framework Office Building in Portland, OR

https://research.thinkwood.com/en/permalink/catalogue1830
Year of Publication
2017
Topic
Acoustics and Vibration
Material
CLT (Cross-Laminated Timber)
Application
Floors
Ceilings
Walls
Roofs
Wood Building Systems
Organization
ARUP
StructureCraft
InterTek
Year of Publication
2017
Country of Publication
United States
Format
Report
Material
CLT (Cross-Laminated Timber)
Application
Floors
Ceilings
Walls
Roofs
Wood Building Systems
Topic
Acoustics and Vibration
Keywords
Sound Transmission
Impact Noise Transmission
Concrete Topping
Language
English
Research Status
Complete
Series
Framework: An Urban + Rural Design
Summary
A. Shop Drawings and Details for Tests B. Sound and Impact Test Results Summary C. Test 1: Sound and Impact Transmission Test - CLT D. Test 2: Sound and Impact Transmission Test - Concrete Topping E. Test 3a: Sound and Impact Transmission Test - Marmoleum F. Test 3b: Sound and Impact Transmission Test - Marmoleum G. Test 4: Sound and Impact Transmission Test - Carpet H. Test 5a: Sound and Impact Transmission Test - Luxury Vinyl Plank I. Test 5b: Sound and Impact Transmission Test - Luxury Vinyl Plank J. Test 6: Sound and Impact Transmission Test - Mechanical Roof
Online Access
Free
Resource Link
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Behavior of CLT Diaphragm Panel-to-Panel Connections with Self-tapping Screws

https://research.thinkwood.com/en/permalink/catalogue2188
Topic
Connections
Seismic
Material
CLT (Cross-Laminated Timber)
Application
Floors
Roofs
Organization
TallWood Design Institute
Country of Publication
United States
Material
CLT (Cross-Laminated Timber)
Application
Floors
Roofs
Topic
Connections
Seismic
Keywords
Screws
Tall Wood
Earthquake
Research Status
In Progress
Notes
Project contact is Thomas Miller at Oregon State University
Summary
Understanding how roof and floor systems (commonly called diaphragms by engineers) that are built from Pacific Northwest-sourced cross-laminated timber (CLT) panels perform in earthquake prone areas is a critical area of research. These building components are key to transferring normal and extreme event forces into walls and down to the foundation. The tests performed in this project will provide data on commonly used approaches to connecting CLT panels within a floor or roof space and the performance of associated screw fasteners. Structural engineers will directly benefit through improved modeling tools. A broader benefit may be increased confidence in the construction of taller wood buildings in communities at greater risk for earthquakes.
Less detail

Vibration and Sound Insulation Performance of Mass Timber Floors with Concrete Toppings

https://research.thinkwood.com/en/permalink/catalogue2548
Topic
Acoustics and Vibration
Material
CLT (Cross-Laminated Timber)
DLT (Dowel Laminated Timber)
NLT (Nail-Laminated Timber)
Timber-Concrete Composite
Application
Floors
Ceilings
Organization
University of Northern British Columbia
Country of Publication
Canada
Material
CLT (Cross-Laminated Timber)
DLT (Dowel Laminated Timber)
NLT (Nail-Laminated Timber)
Timber-Concrete Composite
Application
Floors
Ceilings
Topic
Acoustics and Vibration
Keywords
Concrete Topping
Acoustic Membrane
Exposed Mass Timber Elements
Research Status
In Progress
Notes
Project contact is Jianhui Zhou at the University of Northern British Columbia
Summary
The impact sound perceived in the lower volume in a building is radiated by the vibration of the ceiling transmitted from the vibration of the floor generated by an impact source in the upper volume. Thus, the dynamic behaviour of a floor is one crucial intermediate step to understand the impact sound insulation performance of such a floor. A key to reducing the impact sound is to isolate the structural floor from the subfloor. Floating floor construction is a common way of improving the impact sound insulation, which is to float a concrete topping on the mass timber floor with an elastic layer in between. There are two types of floating floor solutions, a) with a continuous elastic layer and b) with point bearing elastic mounts as shown in Figure 1. This study will investigate both solutions and will provide guidance on how to adopt both solutions for mass timber floors with an exposed ceiling. The objectives of this project are: 1. To measure the sound insulation performance of mass timber floors with full-scale concrete topping on various continuous elastic interlayer materials 2. To measure the sound insulation performance of mass timber floors with full-scale concrete topping on discrete elastic load mounts
Less detail

Wood Design Manual 2017

https://research.thinkwood.com/en/permalink/catalogue2160
Year of Publication
2017
Topic
Design and Systems
Connections
Fire
Seismic
Material
CLT (Cross-Laminated Timber)
NLT (Nail-Laminated Timber)
Glulam (Glue-Laminated Timber)
LSL (Laminated Strand Lumber)
LVL (Laminated Veneer Lumber)
PSL (Parallel Strand Lumber)
Light Frame (Lumber+Panels)
DLT (Dowel Laminated Timber)
Application
General Application
Beams
Bridges and Spans
Columns
Floors
Ceilings
Arches
Shear Walls
Trusses
Walls