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Title: Short- and long-time deflections of reinforced concrete flat slabs
Authors: United States. Army. Office of the Chief of Engineers.
Geymayer, H. G.
McDonald, J. E. (James E.)
Keywords: Concrete slabs
Concrete structures
Load (forces)
Reinforced concrete
Publisher: Concrete Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
Series/Report no.: Technical report (U.S. Army Engineer Waterways Experiment Station) ; C-70-1.
Description: Technical report
Abstract: This report summarizes the results of a field investigation to determine the short and long-time deflections and concrete strains in an Army barracks flat-plate structure at Fort Hood, Killeen, Texas. Due to the rather great slab thickness of 9 in., corresponding to an L/t ratio of approximately 28, all observed deflections were small and in no instance exceeded 0.022 ft, or about 1/800 of the shorter span, during the 45-month observation period, in spite of an early temporary construction load estimated to have been almost 30 percent in excess of the total design load. The measured short-time deflections under various loading conditions compared reasonably well with deflections predicted by use of the ersatz frame analysis method.
Rights: Approved for public release; distribution is unlimited.
Appears in Collections:Technical Report

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