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Evaluation of wall analysis models

https://library.fpinnovations.ca/en/permalink/fpipub37242
Author
Lum, Conroy
Date
March 1991
Material Type
Research report
Field
Sustainable Construction
Author
Lum, Conroy
Date
March 1991
Material Type
Research report
Physical Description
12 p.
Sector
Wood Products
Field
Sustainable Construction
Research Area
Building Systems
Subject
Wall strength
Walls
Compression
Mechanical properties
Simulation
Series Number
Forestry Canada No. 13;5410K010
W-859
Location
Vancouver, British Columbia
Language
English
Abstract
Wooden load bearing wall systems can be designed to work efficiently with wooden roof or floor systems. Thus, one way of encouraging the use of wood roof or floor systems is to provide designers with the information and tools so that they can competitively design wooden load-bearing wall systems. Two computer models to assist in the design of tall wooden load-bearing walls are being evaluated. Characteristics of a reference wall 7 metres high by 7 metres long for analysis have been defined. Analogues for this reference wall without opening and with two types of openings will be prepared. Reasons for selecting this wall for analysis are discussed in detail. At the time of this report, wall analogues for two wall analysis programs, SADT and SWAP, were being prepared.
Walls - Strength - Computer simulation
Documents
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Lateral resistance of engineered wood structures to seismic and wind loads. Report No. 1 : Static and cyclic load tests on shear walls

https://library.fpinnovations.ca/en/permalink/fpipub5509
Author
Karacabeyli, Erol
Stieda, C.K.A.
Deacon, William (Bill)
Olson, L.
Fraser, Henley
Date
March 1994
Edition
37338
Material Type
Research report
Field
Sustainable Construction
Author
Karacabeyli, Erol
Stieda, C.K.A.
Deacon, William (Bill)
Olson, L.
Fraser, Henley
Contributor
Canada. Canadian Forest Service.
Date
March 1994
Edition
37338
Material Type
Research report
Physical Description
22 p.
Sector
Wood Products
Field
Sustainable Construction
Research Area
Building Systems
Subject
Wind loads
Wind
Wall strength
Walls
Mechanical properties
Loads
Design
Building construction
Series Number
W-1087
Location
Vancouver, British Columbia
Language
English
Abstract
To assure the appropriate use of wood in large residential and non-residential buildings, it is necessary to carry out a comprehensive study of the resistance provided by these wood structures to lateral loads due to wind and earthquakes. Given that this is a topic of international interest, and there is a strong movement towards worldwide harmonisation of codes and standards, the proposed work requires the cooperation of a number of specialists in Canada and abroad. As a first step in creating a coordinated program of research, a consultation on the seismic resistance of timber structures has been carried out. A group of six seismic experts from Japan, New Zealand, USA, Germany, Italy and Greece were brought together in Vancouver, B.C. for two days in May, 1993. This consultation was joined by six Canadian experts on seismic analysis and timber engineering research. Following this meeting, a five-year research program on the lateral resistance of engineered wood structures to seismic and wind loads was launched. The objective of the program is to provide designers and code writers with the test data and analytical tools needed to design large timber buildings for wind and earthquake forces. The program includes wood-framed and sheathed walls and diaphragms, braced timber structures, structural wood frames and arches. In the first year of the program, in cooperation with Dr. M. Yasumura, a visiting scientist from the Building Research Institute, Tsukuba, Japan, and Mr. D. Kishi, a structural engineering consultant from British Columbia, a total of 21 16' x 8' (4.8 m by 2.4 m) wood shear walls have been tested at Forintek under static and reversed cyclic loading. In these walls, three types of sheathing material (plywood, Oriented Strand Board, and Gypsum Wall Board (GWB) were used to investigate the effects of sheathing position (vertical or horizontal), blocking, nail spacing, and taping (in the case of GWB). The structural behaviour of elements such as shear walls is dependent on the behaviour of individual connections. Research alliances are currently being formed with the University of New Brunswick and the University of British Columbia for the development of test data and analytical models on the behaviour of connections.
Earthquakes, Effect on building construction
Walls - Strength
Wind loads
Building construction - Design
Documents
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Lateral resistance of engineered wood structures to seismic and wind loads. Report No. 2. (1994/95 Fiscal Year)

https://library.fpinnovations.ca/en/permalink/fpipub5513
Author
Karacabeyli, Erol
Stieda, C.K.A.
Deacon, William (Bill)
Olson, L.
Fraser, Henley
Date
March 1995
Edition
37371
Material Type
Research report
Field
Sustainable Construction
Author
Karacabeyli, Erol
Stieda, C.K.A.
Deacon, William (Bill)
Olson, L.
Fraser, Henley
Contributor
Canada. Canadian Forest Service.
Date
March 1995
Edition
37371
Material Type
Research report
Physical Description
38 p.
Sector
Wood Products
Field
Sustainable Construction
Research Area
Building Systems
Subject
Wind loads
Wind
Wall strength
Walls
Mechanical properties
Loads
Design
Building construction
Series Number
W-1185
Location
Vancouver, British Columbia
Language
English
Abstract
The progress in the second year of the 5 year research program entitled "Lateral Resistance of Engineered Wood Structures to Seismic Loads" is presented. Because of the international scope of the problem, the work is being carried out in cooperation with scientists from several universities and research institutes. A procedure for determining force modification factors for timber structures is presented using the experimental data collected on nailed shear walls.
Earthquakes, Effect on building construction
Walls - Strength
Wind loads
Building construction - Design
Documents
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MIDPLY™ wall system : final report

https://library.fpinnovations.ca/en/permalink/fpipub5561
Author
Karacabeyli, Erol
Ni, Chun
Stiemer, S.
Fraser, Henley
Lungu, D.
Date
May 2000
Edition
37581
Material Type
Research report
Field
Sustainable Construction
Author
Karacabeyli, Erol
Ni, Chun
Stiemer, S.
Fraser, Henley
Lungu, D.
Contributor
Science Council of British Columbia.
Date
May 2000
Edition
37581
Material Type
Research report
Physical Description
61 p.
Sector
Wood Products
Field
Sustainable Construction
Research Area
Building Systems
Subject
Midply
Wall strength
Walls
Mechanical properties
Joints
Design
Building construction
Series Number
W-1775
Location
Vancouver, British Columbia
Language
English
Abstract
The MIDPLY™ Shearwall System has been developed by Forintek. The system is designed to provide superior resistance to earthquake and wind loads. The improved performance is achieved by rearrangement of wall framing components and sheathing used in standard shear walls. Possible applications of the system are a) platform-frame construction where additional lateral load capacity is needed (e.g., narrow shear walls next to garage and large window openings); b) post and beam construction (e.g., as an insert between posts and beams); c) seismic upgrading of existing structures; and d) manufactured housing systems directed at areas with high risk of earthquakes and hurricanes. The proof-of-concept for the MIDPLY™ wall system design and construction method was established through testing and analysis of full-scale test specimens subjected to monotonic (ramp), cyclic and dynamic displacement schedules. A commercialisation plan was developed and distributed to project collaborators. The MIDPLY™ wall system is currently being considered by a large Canadian construction company in the design of several multi-storey wood-frame buildings.
Walls - Tests
Walls - Strength
Building construction - Design
Joints and fastenings - Nailed - Tests
Documents
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MIDPLY™ wall system : final report

https://library.fpinnovations.ca/en/permalink/fpipub5787
Author
Karacabeyli, Erol
Ni, Chun
Stiemer, S.
Fraser, Henley
Lungu, D.
Date
March 2000
Edition
40031
Material Type
Research report
Field
Sustainable Construction
Author
Karacabeyli, Erol
Ni, Chun
Stiemer, S.
Fraser, Henley
Lungu, D.
Contributor
Natural Resources Canada. Canadian Forest Service.
Date
March 2000
Edition
40031
Material Type
Research report
Physical Description
67 p.
Sector
Wood Products
Field
Sustainable Construction
Research Area
Building Systems
Subject
Midply
Wall strength
Walls
Mechanical properties
Joints
Design
Building construction
Series Number
Canadian Forest Service No. 20
Project No. 1517
Language
English
Abstract
The MIDPLY™ Shearwall System has been developed by Forintek. The system is designed to provide superior resistance to earthquake and wind loads. The improved performance is achieved by rearrangement of wall framing components and sheathing used in standard shear walls. Possible applications of the system are a) platform-frame construction where additional lateral load capacity is needed (e.g., narrow shear walls next to garage and large window openings); b) post and beam construction (e.g., as an insert between posts and beams); c) seismic upgrading of existing structures; and d) manufactured housing systems directed at areas with high risk of earthquakes and hurricanes. The proof-of-concept for the MIDPLY™ wall system design and construction method was established through testing and analysis of full-scale test specimens subjected to monotonic (ramp), cyclic and dynamic displacement schedules. A commercialisation plan was developed and distributed to project collaborators. The MIDPLY™ wall system is currently being considered by a large Canadian construction company in the design of several multi-storey wood-frame buildings.
Walls - Tests
Walls - Strength
Building construction - Design
Joints and fastenings - Nailed - Tests
Documents
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MIDPLY™ wall system : progress report

https://library.fpinnovations.ca/en/permalink/fpipub5540
Author
Karacabeyli, Erol
Ni, Chun
Stiemer, S.
Fraser, Henley
Date
March 1998
Edition
37484
Material Type
Research report
Field
Sustainable Construction
Author
Karacabeyli, Erol
Ni, Chun
Stiemer, S.
Fraser, Henley
Contributor
Canada. Canadian Forest Service.
Date
March 1998
Edition
37484
Material Type
Research report
Physical Description
24 p.
Sector
Wood Products
Field
Sustainable Construction
Research Area
Building Systems
Subject
Midply
Wall strength
Walls
Mechanical properties
Joints
Design
Building construction
Series Number
Canadian Forest Service No. 22A;1517
W-1523
Location
Vancouver, British Columbia
Language
English
Abstract
Full-scale test results of the MIDPLY™ wall system are presented along with the test results obtained on nailed joints with single and double shear planes. Research findings to date indicate that MIDPLY™ shear wall is a cost effective wall system, which has superior lateral load resistant capacity when compared to standard wood-frame shear walls. The effects of nail type and spacing, number of shear planes, panel type and thickness, vertical loads, exterior sheathing, and end stud configuration on the lateral load carrying characteristics of MIDPLY™ wall system are studied. Comparisons with the standard shear wall system are made. Based on the findings in the first year, a standard MIDPLY™ shear wall system is selected and will be used as the basis in the second year of this project. An industrial advisory group including two prefabricated home manufacturers, and a major wood products producer was established. A meeting of this group took place where key issues were discussed.
Walls - Tests
Walls - Strength
Building construction - Design
Joints and fastenings - Nailed - Tests
Documents
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Performance of wood-frame building construction in earthquakes

https://library.fpinnovations.ca/en/permalink/fpipub37518
Author
Rainer, J.H.
Karacabeyli, Erol
Date
April 2009
Material Type
Research report
Field
Sustainable Construction
Author
Rainer, J.H.
Karacabeyli, Erol
Date
April 2009
Material Type
Research report
Physical Description
28 p.
Sector
Wood Products
Field
Sustainable Construction
Research Area
Building Systems
Subject
Wall strength
Walls
Structural analysis
Mechanical properties
Design
Building construction
Analysis
Series Number
Special Publication ; SP-40
W-1613
Location
Vancouver, British Columbia
Language
English
Abstract
This report presents a survey of the performance of wood-frame construction in a number of recent earthquakes. After a review of the dominant factors that affect the seismic behaviour of buildings, the following earthquakes are examined: Alaska, 1964; San Fernando, California 1971; Edgecumbe, New Zealand 1987; Saguenay, Quebec 1988; Loma Prieta, California 1989; Northridge, California 1994; and Kobe, Japan 1995. Wherever possible, the behaviour of buildings is related to the measured peak horizontal ground accelerations.
Earthquakes, Effect on building construction
Building construction - Design
Walls - Strength
Framing - Structural analysis
Documents
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Résistance des bâtiments à ossature bois aux tremblements de terre

https://library.fpinnovations.ca/en/permalink/fpipub5189
Author
Rainer, J.H.
Karacabeyli, Erol
Date
March 2000
Edition
42050
Material Type
Research report
Field
Sustainable Construction
Author
Rainer, J.H.
Karacabeyli, Erol
Date
March 2000
Edition
42050
Material Type
Research report
Physical Description
28 p.
Sector
Wood Products
Field
Sustainable Construction
Research Area
Building Systems
Subject
Wall strength
Walls
Structural analysis
Mechanical properties
Design
Building construction
Analysis
Series Number
Special Publication ; SP-40F
E-3562
Location
Sainte-Foy, Québec
Language
French
ISBN
ISBN 0-86488-532-6
ISSN
ISSN 0825-0030
Abstract
Ce rapport présente une étude portant sur le comportement de bâtiments à ossature bois lors de récents tremblements de terre. Après un rappel des principaux facteurs qui affectent la résistance sismique des bâtiments, on examine les séismes suivants : Alaska (1964), San Fernando, Californie (1971), Edgecumbe, Nouvelle-Zélande (1987), Saguenay, Québec (1988), Loma Prieta, Californie (1989), Northridge, Californie (1994) et Kobe, Japon (1995). Dans la mesure du possible, le comportement des bâtiments est présenté en rapport avec les accélérations horizontales mesurées. Notre étude établit que, malgré certaines faiblesses spécifiques et les défaillances mécaniques correspondantes, les bâtiments en bois d'âges divers soumis à des accélérations horizontales de 0,6g ou plus ont dans l'ensemble résisté aux secousses sans dégâts mécaniques graves, et avec très peu de blessures ou de morts chez les occupants. Les critères de sécurité implicites des codes du bâtiment sont donc largement respectés. De plus, les bâtiments à ossature bois de construction récente ont généralement résisté aux secousses sans dommages visibles. Les quelques défaillances mécaniques observées étaient essentiellement liées à des faiblesses particulières : absence de contreventement, insuffisance structurale du premier niveau de construction, connexion trop faible avec les fondations, ou au fait que la force des secousses enregistrées avait largement dépassé les limites prévues au moment où le bâtiment avait été conçu. Les chercheurs et les professionnels de la construction travaillent actuellement à corriger les faiblesses observées, de manière à éviter les mêmes problèmes lors de futurs tremblements de terre. Le rapport présente les grandes lignes du programme de recherche de Forintek Canada Corp., qui vise à améliorer la résistance sismique des bâtiments à ossature bois et à appliquer ces améliorations par le biais de guides de conception et des normes. Il est notamment question d'études sur les assemblages, les murs de contreventement, la modélisation mathématique et la préparation de normes et de codes. On y trouvera enfin des recommandations pour le dépistage, l'évaluation et le renforcement des bâtiments qui ne satisfont pas aux normes sismiques canadiennes ou américaines actuelles. En conclusion, le document constate que la construction à ossature bois est capable de résister aux secousses telluriques importantes sans dommages graves et souvent sans dégâts en autant que les concepteurs, constructeurs et propriétaires respectent les règles de protection reconnues.
Earthquakes - Effect on building construction
Building construction - Design
Walls - Strength
Framing - Structural analysis
Documents
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Stiffness of shearwalls and diaphragms

https://library.fpinnovations.ca/en/permalink/fpipub37660
Author
Ni, Chun
Date
March 2003
Material Type
Research report
Field
Sustainable Construction
Author
Ni, Chun
Contributor
Canada. Canadian Forest Service.
Date
March 2003
Material Type
Research report
Physical Description
3 p.
Sector
Wood Products
Field
Sustainable Construction
Research Area
Building Systems
Subject
Wall strength
Walls
Mechanical properties
Shear
Panels
Design
Building construction
Analysis
Series Number
CFS Simple Progress Report No. 38;3544
W-1970
Location
Vancouver, British Columbia
Language
English
Abstract
In order to maintain the competitive advantage in existing and new markets situated in seismic and high wind zones such as the Pacific Rim and the southeastern U.S., it is proposed to study deflections in walls, floor and roof assemblies. The proposed project will also be very useful in: a) setting deflection criteria as will be demanded by performance-based codes, and b) responding to the inevitable transition to displacement-based seismic design.
Building construction - Design
Diaphragm analysis
Panels
Walls - Strength - Shear
Documents
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Stiffness of shearwalls and diaphragms. Final Report 2004/05

https://library.fpinnovations.ca/en/permalink/fpipub37734
Author
Ni, Chun
Date
March 2005
Material Type
Research report
Field
Sustainable Construction
Author
Ni, Chun
Contributor
Canada. Canadian Forest Service.
Date
March 2005
Material Type
Research report
Physical Description
41 p.
Sector
Wood Products
Field
Sustainable Construction
Research Area
Building Systems
Subject
Wall strength
Walls
Mechanical properties
Shear
Panels
Design
Building construction
Analysis
Series Number
Canadian Forest Service No. 38;3544
W-2135
Location
Vancouver, British Columbia
Language
English
Abstract
In the new 2005 edition of the National Building Code of Canada, the permissible deflections under earthquake conditions will be much more restrictive and could potentially become the governing factor for the design of wood frame construction. To proactively respond to the code changes, this three-year project was to develop design procedures for determining the stiffness or deflection of shearwalls and diaphragms under these extreme seismic and wind load events. While investigating the formulae for predicting deflections, issues related to the overall strength or load carrying capacity of shearwalls were also addressed. Using a “mechanics-based” approach, deflection formulae were developed for unblocked shearwalls, two-sided shearwalls (gypsum wallboard on one side and wood-based panels on the other side), and shearwalls without hold-downs. In collaboration with staff from the Canadian Wood Council, these deflection formulae will be submitted for implementation in the next edition of the Canadian Standard for Engineering Design in Wood (CSA O86), which in turn forms the basis for acceptance under the National Building Code. The work has also helped to address the following issues in the CSA O86: · Height limitations for unblocked shearwalls (currently capped at 2.44m) · The use of diagonal lumber as sheathing for walls and diaphragms. This information, which is particularly important in upgrading wood buildings to new code requirements, addresses concerns raised by designers. Technical information generated from this project was disseminated in the wood engineering community and CSA O86 committee meetings. Two papers entitled “Lateral Resistance of Tall Unblocked Shearwalls” and “Deflections of Nailed Shearwalls and Diaphragms” were presented at the 8th World Conference on Timber Engineering in Lahti, Finland in June 2004. An article entitled “Racking Performance of Tall Unblocked Shearwalls” has been submitted to the ASCE Journal of Structural Engineering for publication. Another article entitled “Performance of Shearwalls with Diagonally Sheathed Lumber” is being prepared and will be soon submitted to the ASCE Journal of Structural Engineering. By proactively responding to future design code changes, this project will allow the construction industry to take advantage of various shearwall options in their designs of wood frame buildings, and will assist the wood products industry to maintain its competitive advantage in existing and new markets situated in seismic and high wind zones such as those around the Pacific Rim and in the South Eastern United States.
Building construction - Design
Diaphragm analysis
Panels
Walls - Strength - Shear
Documents
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10 records – page 1 of 1.