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International Concrete Abstracts Portal

Showing 1-5 of 15 Abstracts search results

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: 

SP13-13

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: 

SP13-12

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: 

SP13-11

Date: 

January 1, 1966

Author(s):

Labib Riad

Publication:

Symposium Papers

Volume:

13

Abstract:

A theoretical analysis of the buckling of eccentrically loaded long reinforced concrete columns with abrupt change of the cross section. The solution is based on the plastic theory. An experimental program checked the computed ultimate capacity values of the theoretical analysis.

DOI:

10.14359/16763


Document: 

SP13-10

Date: 

January 1, 1966

Author(s):

Fred M. Hudson

Publication:

Symposium Papers

Volume:

13

Abstract:

Sixty-four concrete columns were loaded to destruction to investigate the effects of tie spacing on ultimate strength. Variables included in the tests were column size, spacing of ties, strength of concrete, size of tie, percentage of longitudinal reinforcement, and position of load. Principal data obtained were failure loads, modes of failure, and strains.

DOI:

10.14359/16762


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