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International Concrete Abstracts Portal

Showing 1-5 of 15 Abstracts search results

Document: 

SP13-06

Date: 

January 1, 1966

Author(s):

J. G. MacGregor and S. L. Barter

Publication:

Symposium Papers

Volume:

13

Abstract:

Tests on eight columns bent in antisymmetrical double curvature with h/t = 27.3 are discussed. The columns with small end eccentricities approached a single curvature shape and an unstable condition at failure. The columns with large eccentricities remained in the double curvature shape until failure occurred in tension at the point of maximum applied moment.

DOI:

10.14359/16758


Document: 

SP13

Date: 

January 1, 1966

Author(s):

Editor: Boris Bresler

Publication:

Symposium Papers

Volume:

13

Abstract:

SP13 Selected papers dealing with experimental and analytical studies of reinforced and prestressed concrete columns, are contained in this volume. Compilation of the papers has been carried out under the sponsorship of the joint ACI-ASCE Committee 441, Reinforced Concrete Columns, in accordance with the committee’s three main objectives: (I) to review and correlate information on the analysis and design of concrete columns, including the methods required by various building codes; (2) to encourage experimental research on column behavior; (3) to propose design criteria for concrete columns.

DOI:

10.14359/14065


Document: 

SP13-05

Date: 

January 1, 1966

Author(s):

Ignacio Martin and Elmer Olivieri

Publication:

Symposium Papers

Volume:

13

Abstract:

Eight reinforced concrete columns with a slenderness ratio of 40 were tested, two loaded concentrically and six loaded with opposite eccentricities on each end. Results were compared to the ACI Building Code, CEB Recommendations, an analysis based on Von Karman's theory, and values obtained by applying the Hognestad stress block to the measured strains.

DOI:

10.14359/16757


Document: 

SP13-12

Date: 

January 1, 1966

Author(s):

L. N. Ramamurthy

Publication:

Symposium Papers

Volume:

13

Abstract:

Two equations are proposed to define approximately the shape of load contours in square and rectangular columns. A method for constructing the interaction diagram for any position of the load is explained. Loads predicted theoretically from such curves are compared with 50 test results. The method is restricted to columns containing eight or more bars evenly distributed among the column faces.

DOI:

10.14359/16764


Document: 

SP13-14

Date: 

January 1, 1966

Author(s):

Alfred L. Parme

Publication:

Symposium Papers

Volume:

13

Abstract:

Design aids presented here for restrained, eccentrically loaded slender columns reduce the time required for stability analysis to a practical level, thus enabling the designer to take advantage of stability analysis in cases where the Code reduction formulas prove overly conservative. Ultimate column loads calculated using these design tables show excellent agreement with test results reported in four independently conducted studies.

DOI:

10.14359/16766


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