International Concrete Abstracts Portal

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  • 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.

International Concrete Abstracts Portal

Showing 1-10 of 13 Abstracts search results

Document: 

SP20-12

Date: 

January 1, 1968

Author(s):

Edward G. Nawy

Publication:

Special Publication

Volume:

20

Abstract:

Most existing research deals with crack width studies in beams and one-way members. This investigation covers the effect of two-way action on crack width development, crack pattern evaluation and crack width control.

10.14359/17354


Document: 

SP20-11

Date: 

January 1, 1968

Author(s):

Amos Atlas, Chester P. Siess, and Clyde E. Kesler

Publication:

Special Publication

Volume:

20

Abstract:

The extent of cracking in slabs reinforced with smooth welded wire fabric is determined by the bond and achorage properties of fabric as well as by the magnitude of the steel stress. Test results show that the crack spacing is controlled primarily by the transverse wire spacing and by the size and spacing of the longitudinal wires.

10.14359/17353


Document: 

SP20-10

Date: 

January 1, 1968

Author(s):

James P. Romualdi, Melvin Ramey, and Santiago C. Sanday

Publication:

Special Publication

Volume:

20

Abstract:

The concepts of crack arrest in concrete and the effect of closely spaced fiber reinforcement upon fracture toughness is reviewed in order to provide a basis for the description of the specific properties of fiber reinforced concrete.

10.14359/17352


Document: 

SP20-09

Date: 

January 1, 1968

Author(s):

J. Douglas Lindsay

Publication:

Special Publication

Volume:

20

Abstract:

Cracking in portland cement concrete pavement is a problem in conventional pavements, both plain and reinforced. Efforts to control cracking involve the use of transverse joints. In effect, natural transverse cracks are replaced by man-made crack. But joints also have undesirable characteristics.

10.14359/17351


Document: 

SP20-08

Date: 

January 1, 1968

Author(s):

Paul H. Kaar

Publication:

Special Publication

Volume:

20

Abstract:

A brief review of past research concerning crack control is presented and a recent investigation of similitude of top surface T-beam cracking under negative moment is described in detail. Similitude of cracking is evaluated in relation to the results of tests of quarter, half, and full-scale specimens. The reliability of expressions for computation of crack width is discussed.

10.14359/17350


Document: 

SP20-07

Date: 

January 1, 1968

Author(s):

Charles L. Townsend

Publication:

Special Publication

Volume:

20

Abstract:

This paper describes the cracking which occurs in mass concrete due to temperature changes and temperature gradients.

10.14359/17349


Document: 

SP20-06

Date: 

January 1, 1968

Author(s):

Peter Gergely and Leroy A. Lutz

Publication:

Special Publication

Volume:

20

Abstract:

Information from six experimental investigations for the side and bottom crack width of flexural members were analyzed statistically with the aid of a computer. A large number of equations and variables were examined. Two equations were proposed that best fit all the experiemental data to predict the most probable maximum crack width in reinforced concrete flexural members.

10.14359/17348


Document: 

SP20-05

Date: 

January 1, 1968

Author(s):

Albert C. Bianchini, Clyde E. Kesler and J.L. Lott

Publication:

Special Publication

Volume:

20

Abstract:

The cracking phenomenon and three cracking mechanisms are discussed in terms of the simple model of a reinforced concrete member with the reinforcement loaded in direct tension.

10.14359/17347


Document: 

SP20-04

Date: 

January 1, 1968

Author(s):

Bryant Mather

Publication:

Special Publication

Volume:

20

Abstract:

When concrete cracks as a result of its interaction with its environment, and the cracking is an undesirable feature of the history of the concrete, the occurrence represents the consequences of an imperfect choice in selecting the particular concrete that was produced for service in the enviornment in which it was used.

10.14359/17346


Document: 

SP20-03

Date: 

January 1, 1968

Author(s):

Torben C. Hansen

Publication:

Special Publication

Volume:

20

Abstract:

Crack formation and propagation were studied experimentally and theoretically for concrete submitted to static compressive load, to sustained load, and to pulsating load. . .Fracture mechanism of hardened cement paste is discussed.

10.14359/17345


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