Abstract
A newly developed hybrid pin (HP), composed of a compressed wooden dowel inserted into a stainless steel pipe is suggested in this research. This configuration is expected to grant high stiffness by bending performance of the metal pipe and rich ductility through shear deformation of compressed wooden dowel without brittle split of the joint member. Experimental tests were performed in order to verify your assumptions and pursue an optimum design. Double shear test perpendicular to the grain of HP was conducted with parameter of thickness and loading direction for base member for pin’s diameter. Rotational test for mortise and tenon joint inserted with HP was performed in order to evaluate the moment resisting performance. Consequently, the hybrid pin showed satisfactory performance as shear type fastener by virtues of not only relatively high stiffness but also rich ductility originated from the properties of each component, stain less steel pipe and compressed wood.
Highlights
IntroductionIn order to resist the destructive forces of earthquakes in Japanese small scale timber structures, structural performance (as eismic performance) is demanded
In order to resist the destructive forces of earthquakes in Japanese small scale timber structures, structural performance is demanded
Aiming to improve the key-joint’s performance, a hybrid pin (HP), composed of a compressed wooden dowel [3] [4] inserted in a stainless steel pipe is suggested in this research
Summary
In order to resist the destructive forces of earthquakes in Japanese small scale timber structures, structural performance (as eismic performance) is demanded. The shear-key type of joint has been widely used in traditional as well as in modern joinery until now due to its ease of assembly and relatively high performance as a mechanical joint method [1] [2]. In this type of joints, key fastener has a very important role because of its bending, compressive and shearing capacity, which highly influences the joint’s performance. Aiming to improve the key-joint’s performance, a hybrid pin (HP), composed of a compressed wooden dowel [3] [4] inserted in a stainless steel pipe is suggested in this research. Moment-resisting performance of mortise and tenon joint type with a HP was evaluated [6] [7]
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