Title:
Hollow Concrete Bridge Pier Behavior
Author(s):
R. W. Poston, T. E. Gilliam, Y. Yamamoto, and J. E. Breen
Publication:
Journal Proceedings
Volume:
82
Issue:
6
Appears on pages(s):
779-787
Keywords:
bending; biaxial loads; bridge piers; columns (supports); models; moment-curvature relationship; reinforced concrete; research; slenderness ratio; strength; structural analysis; tests.
DOI:
10.14359/10388
Date:
11/1/1985
Abstract:
This paper reports results of tests of four model bridge piers. The principal objectives of this experimental program were to verify the axial load-moment curvature P-M-O relationship for hollow columns and to examine the validity of the plane-section assumption for hollow-pier sections. This was necessary to validate completely the computer analysis programs for the design of slender, nonprismatic, and hollow concrete bridge piers. It is concluded that the plane-section assumption is valid for rectangular solid and cellular cross sections if the unsupported wall length to thickness ratio does not exceed 6. For ratios greater than a Strength reduction is indicated due to nonplanar action or local instability.