Technical Note: Static Versus Cyclic Load Capacity of Side Chairs Constructed with Mortise and Tenon Joints

Authors

  • Erkan Likos
  • Eva Haviarova
  • Carl A. Eckelman
  • Yusuf Ziya Erdil
  • Ayhan Ozcifci

Keywords:

Static chair performance tests, cyclic chair performance tests, mortise and tenon joints, American Library Association

Abstract

The effect of cross-sectional tenon geometry on static and cyclic load capacity of side chairs constructed with round-, rectangular-, and diamond-shaped mortise and tenon joints was investigated. Cyclic load capacity averaged about two-thirds of static load capacity for the joint configurations tested. For the configurations included in the test, chairs with mortise and tenon joints constructed with round-, rectangular-, and diamond-shaped tenons had static load to cyclic passing load ratios of 56.5, 66.8, and 69.2% for rectangular-, round-, and diamond-shaped tenons, respectively. These results indicate that useful relationships existed between static and cyclic performance of round mortise and tenon joints, which may simplify the design process for chairs that must pass cyclic performance tests.

References

Eckelman CA (1983) The use of performance tests and quality assurance programs in the selection of library chairs. Monograph Libr Technol Rep 18(5):481-574. American Library Association, Chicago, IL.nEckelman CA (1985) Performance test method for intensive use task chairs FNEW 83-269D. Extension Pub FNR-179, Purdue University, West Lafayette, IN.nEckelman CA (1988a) Performance testing of furniture. Part I. Underlying concepts. Forest Prod J 38(3):44-48.nEckelman CA (1988b) Performance testing of furniture. Part II. A multipurpose universal structural performance test method. Forest Prod J 38(4):13-18.nEckelman CA (1995) Library chairs: An overview of the Library Technology Reports test method with test reports on 30 chairs. Libr Technol Rep 31(2):117-214. American Library Association, Chicago, IL.nEckelman CA (1999) Performance testing of side chairs. Holz Roh Werkst 57:227-234.nEckelman CA, Haviarova E (2006) Performance tests of school chairs constructed with round mortise and tenon joints. Forest Prod J 56(3):51-57.n

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Published

2013-04-15

Issue

Number 2 / April 2013

Section

Research Contributions

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