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International Concrete Abstracts Portal

Showing 1-5 of 13 Abstracts search results

Document: 

SP50

Date: 

January 1, 1975

Author(s):

Editor: Mark W. Huggins

Publication:

Symposium Papers

Volume:

50

Abstract:

SP50 Presents papers dealing with problems of current interest to concrete research and design personnel and in many cases, closely related to problems that have arisen in the application of the 1971 ACI Building Code.

DOI:

10.14359/14103


Document: 

SP50-12

Date: 

January 1, 1975

Author(s):

Carl Berwanger and S. Imtiaz Rasul

Publication:

Symposium Papers

Volume:

50

Abstract:

Experimental and analytical investigations of fifty-five partially prestressed concrete beam-columns undergoing transverse flexure combined with axial thrust have been conducted. The tests were of short term duration. The variables were the number and the arragement of the prestressing tendons and the total prestressing force.

DOI:

10.14359/17475


Document: 

SP50-01

Date: 

January 1, 1975

Author(s):

J.G. MacGregor, U.H. Oelhafen, and S.E. Hage

Publication:

Symposium Papers

Volume:

50

Abstract:

An incremental rate-of-creep analysis of reinforced concrete columns subjected to sustained loads is developed and used to generate data for a statistical evaluation of the stiffness, EI, of slender concrete columns subjected to short time and sustained loads. The resulting equations are more accurate than ACI Eqn. 10.7 and are as easy to use. The possibility of column failure under very high sustained loads is discussed.

DOI:

10.14359/17464


Document: 

SP50-10

Date: 

January 1, 1975

Author(s):

Albert J. Gouwens

Publication:

Symposium Papers

Volume:

50

Abstract:

A comprehensive but simple design procedure is presented for the design of concrete columns subject to biaxial bending. The procedure is oriented towards hand computation but is suitable for incorporation into computer programs. The methods in the existing literature are summarized and evaluated. A new design procedure and an example problem showing its use are given.

DOI:

10.14359/17473


Document: 

SP50-08

Date: 

January 1, 1975

Author(s):

N.G. Bunni

Publication:

Symposium Papers

Volume:

50

Abstract:

Present equations of design of tied reinforced concrete columns do not include for the influence of ties on the value of the ultimate load. . .Theoretical analysis of a segment of a tied concrete column is presented showing the distribution of strains in the concrete, longitudinal steel and ties.

DOI:

10.14359/17471


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