Title:
Ultimate Load Capacity of Prestressed Concrete Columns
Author(s):
Paul Zia and F. L. Moreadith
Publication:
Journal Proceedings
Volume:
63
Issue:
7
Appears on pages(s):
767-788
Keywords:
column, design, prestressed concrete, prestressed column, rectangular beam, ultimate strength.
DOI:
10.14359/7652
Date:
7/1/1966
Abstract:
Presents the results of an analytical study on the load carrying capactiy of rectangular prestressed concrete columns with hinged ends. The effects of concrete strength, steel percentage, slenderness ratio and eccentricity on the strength of columns are investigated. Comparison is made between the strength of prestressed concrete columns and that of reinforced concrete columns. The resluts indicate that the advantage of prestressing lies with the slender columns subject to loads with large eccentricity. On the basis of the results obtained, simple design procedures are proposed. The procedures are similar to the current design method for reinforced concrete columns in that the strength of short columns is modified by capacity reduction factors to account for the effects of slenderness ratio and eccentricity.