Author Anderson, Alaric Lee
URN etd-133422039701091
Title Investigation of Steel Joist Supported Wood Floor Systems
Degree Master of Science
Department Civil Engineering
Advisory Committee
Advisor Name Title
T. M. Murray Committee Chair
R. H. Plaut None
T. E. Cousins None
Keywords
* none
Date of Defense 1997-02-01
Availability unrestricted
Abstract
This study investigates four aspects associated with steel joist
supported wood floor systems: 1) acceptability, 2) prediction
of deflection, 3) prediction of frequency, and 4) effects of
diagonal bracing. Six full scale floor systems and two
two-joist floor systems were constructed in the laboratory.
Span length, joist spacing and diagonal bracing were the only
parameters modified for each floor. Four tests were
performed for each floor setup: heel drop impact, walking
perpendicular and parallel to the floor joists, static
concentrated load at midspan, and testing to determine
subjective evaluation.
Five acceptability criteria were investigated: Swedish
Building Technology Design Guide, Australian Standard
Domestic Metal Framing Code, Canadian Timber Floor
Criterion, Murray's Criterion, and Johnson's Criterion. The
results from these criteria were compared to the measured
results of each floor system. Four methods to predict vertical
deflection due to a static load at midspan were compared to
measured values of each floor system. The effect of diagonal
bracing on floor stiffness was also investigated. Results and
concusions were made for each aspect investigated.
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