Determination of withdrawal resistance of staple joints constructed with various members of upholstered furniture

Document Type : Research Paper

Authors

1 Proffesor, Department of wood science and technology, Faculty of Natural Resources, Tarbiat Modares University, Noor, Iran

2 Ph.D student, Department of Wood and Paper Science and Technology, Faculty of Natural Resources, Tarbiat Modares University, Noor, Iran

3 Proffesor, Department of Wood and Paper Science and Technology, University of Tehran, Karaj, Iran

4 Associate prof., Department of Wood Industry Faculty of Civil Engineering, Shahid Rajaee Teacher Training University, Tehran, Iran

Abstract

The goal of this study was to investigate the effects of joints members type (oriented strand lumber, plywood and poplar wood (Populusdeltoides), penetration deeps of staple (12 and 17mm) and adhesives (with and without adhesive) on face and edge withdrawal resistance of joints fabricated with staple. Experimental specimens under withdrawal load test of face and edge consisted of two principal structural members, main member and a secondary member which were joined together by one staple. The results showed that joint member, penetration deeps and adhesive significantly influence on the withdrawal resistance. Staple withdrawal resistance in the face was higher than that in the edge. Staple holding resistance increased with the increase of penetration deep and the withdrawal resistance of joints fabricated by adhesive was higher than those without adhesive. The joints made by oriented strand lumber exhibited better performance than other two members and joints made with poplar wood had higher resistance than plywood joints. The highest face (2326N) and edge (1265N) withdrawal resistances were obtained from joints prepared from oriented strand lumber with adhesive and17mm penetration deeps.

Keywords

References

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Iranian Journal of Wood and Paper Industries
Volume 8, Issue 1
June 2017
Pages 95-108

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