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Title: Slabs Supported on Four Sides

Author(s): R. L Bertin, Joseph Di Stasio, and M. P. Van Buren

Publication: Journal Proceedings

Volume: 41

Issue: 6

Appears on pages(s): 537-556

Keywords: none

DOI: 10.14359/8694

Date: 6/1/1945

The ACI Building Regulations for Reinforced Con- crete provide, with respect to slabs supported on four sides, a method of analysis which reflects a clear picture of the elastic action of the structure, and, through the use of equivalent uniform load fac- tors, permits the direct solution for bending mo- ments and shears in the slabs and beams with the same coefficients as prescribed for one-way con- struction. To clarifv the manner of presentation, the authors have pre’pared a suggested change of the entire Chapter 7 of the Code. While retaining all the oriqinal basic features, notation has been simplified, nonessential formulas and extraneous theory elimi- nated, and the regulations condensed to the funda- mentals requisite for direct design. Final results are unchanged from those obtained through the use of the present 1941 regulations. In this paper, the pro- posed changes are stated and reasons for them given. Suggested regulations are presented in new form. Comparisons are shown to indicate conformity with theory. Finally, an analysis of a typical series of floor panels is given to illustrate the facility with which computations could be made under suggested changes. It is believed that engineers would find the suggested modification of this section of the Code simple and easy to apply.


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