Reinforced and Prestressed Concrete Slabs

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Title: Reinforced and Prestressed Concrete Slabs

Author(s): William L. Gamble and Ned H. Burns

Publication: Special Publication

Volume: 72

Issue:

Appears on pages(s): 149-162

Keywords: history; analysis beams (supports); columns (supports); concrete slabs; prestressed concrete; reinforced concrete; structural , structural design.

Date: 12/1/1981

Abstract:
This paper presents a historic review of the development of reinforced and prestressed concrete floor slabs. There has been an emphasis on tests of prototype and scale model structures in the past, and much current design practice is related to the results of these tests. It is also noted that design and construction of slab structures have often been ahead of the develop-ment of coherent analyses of these complex structures. While reinforced concrete slabs have been built since the earliest days of the 20th century, prestressed slabs have been developed and built only in the second half of the present century. In spite of the many advances in the analysis and design of slabs, a number of questions remain. Reinforcement detailing is important to the satisfactory behavior of slabs, and this may be particularly true at edge columns, and in edge beams. The shear capacity of beamless slabs, especially when moments are also to be transferred, is an area in which many uncertainties still exist. Effects of concentrated loads and of holes on moment distributions have not been extensively studied.