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Moment-Resisting Performance of Residential Portal Frame Constructed with Self-Tapping Screws

https://research.thinkwood.com/en/permalink/catalogue1582
Year of Publication
2016
Topic
Mechanical Properties
Connections
Material
Glulam (Glue-Laminated Timber)
Application
Frames
Author
Yeh, Min-Chyuan
Lin, Yu-Li
Huang, Gien-Ping
Year of Publication
2016
Country of Publication
Austria
Format
Conference Paper
Material
Glulam (Glue-Laminated Timber)
Application
Frames
Topic
Mechanical Properties
Connections
Keywords
Portal Frames
Japanese Cedar
Moment-Resisting
Lateral Load
Aluminum Connectors
Self-Tapping Screws
Shear Strength
Shear Deformation
Language
English
Conference
World Conference on Timber Engineering
Research Status
Complete
Notes
August 22-25, 2016, Vienna, Austria p. 1799-1806
Summary
Glulam members which are manufactured with Japanese cedar plantation timber are constructed into a box type of portal frames to investigate the moment-resisting performance when subjected to a lateral load. The joints of the frame are connected using aluminium connectors and self-tapping screw fasteners, and the placement of fasteners on the connection are arranged into three patterns. The loading protocol is applied laterally in seven cyclic stages for the racking test. The maximum lateral load of 51.4 kN is attained for the portal frame fastened using self-tapping screws arranged in square pattern, followed by single circular pattern and double circular pattern. Resulted dissipated energy obtained from the portal frame with square pattern placement is 1224.2 kNmm during the cyclic loading stages, higher than the other fastener arrangement by 20%. The allowable shear strength of the box-type portal frame is decided by the load corresponding to the shear deformation of 1/120 radian.
Online Access
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Resource Link
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