Service and Overload Behavior of Wood Joist Floor Systems

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Abstract
This paper describes the development and verification of analysis procedures for predicting the performance of a wood joist floor system at service loads. The analysis procedure incorporates the interaction of the many material and system characteristics including interlayer slip, variable material properties, and composite and two-way action. Parameter studies showing the influence of major variables on floor system behavior are presented. Experimental results obtained from beam and floor tests are compared with predicted values calculated using the developed mathematical model. Floor behavior at overload levels is considered. The rational analysis procedures presented can form the basis for improved design procedures for wood joist structural systems with resulting important implications in housing and other construction.

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