Short- and Long-Time Deflections of Reinforced Concrete Flat Slabs

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Summary: "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 ... continued below

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[60] p. : ill. (some folded), plans ; 27 cm.

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Geymayer, H. G. & McDonald, J. E. February 1970.

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This report is part of the collection entitled: Technical Report Archive and Image Library and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 69 times , with 7 in the last month . More information about this report can be viewed below.

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  • Main Title: Short- and Long-Time Deflections of Reinforced Concrete Flat Slabs
  • Added Title: U.S. Waterways Experiment Station Technical Report C-70-1
  • Series Title: U.S. Waterways Experiment Station Reports

Description

Summary: "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" (p. ix).

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[60] p. : ill. (some folded), plans ; 27 cm.

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Technical Report Archive and Image Library

This selection of materials from the Technical Report Archive and Image Library (TRAIL) includes hard-to-find reports published by various government agencies. The technical publications contain reports, images, and technical descriptions of research performed for U.S. government agencies. Topics range from mining, desalination, and radiation to broader physics, biology, and chemistry studies. Some reports include maps, foldouts, blueprints, and other oversize materials.

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  • February 1970

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  • Feb. 24, 2016, 4:27 p.m.

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Geymayer, H. G. & McDonald, J. E. Short- and Long-Time Deflections of Reinforced Concrete Flat Slabs, report, February 1970; Vicksburg, Mississippi. (digital.library.unt.edu/ark:/67531/metadc304026/: accessed November 14, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.