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International Concrete Abstracts Portal

The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.

Showing 1-5 of 15 Abstracts search results

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: 

SP13-13

Date: 

January 1, 1966

Author(s):

Samuel P. Mauch

Publication:

Symposium Papers

Volume:

13

Abstract:

Nonlinear mechanical material properties derived from test data reported in the literature are used to predict the life of pinned, initially imperfect rectangular reinforced concrete columns under a constant axial load. Results according to the rate of creep law and the time-superposition law are obtained.

DOI:

10.14359/16765

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

Document: 

SP13-04

Date: 

January 1, 1966

Author(s):

Phil M. Ferguson and John E. Breen

Publication:

Symposium Papers

Volume:

13

Abstract:

A research report sponsored by the REINFORCED CONCRETE RESEARCH COUNCIL deals with the long tied column as part of a building frame subjected to lateral loads. The series of tests on eight rectangular frames verified the expected behavior of a long column which must resist lateral frame load, and confirmed it as a severe condition in comparison to a column not subject to sidesway.

DOI:

10.14359/16756

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

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