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International Concrete Abstracts Portal

Showing 1-5 of 16 Abstracts search results

Document: 

SP41-11

Date: 

January 1, 1974

Author(s):

P.W. Abeles, E.I. Brown II, and C.H. Hu

Publication:

Symposium Papers

Volume:

41

Abstract:

The behavior of small size under-reinforced, partially prestressed, concrete bridge beams under repeated overloading was investigated. Results are reported regarding static and fatigue tests on fifty-two beams including three beam sizes and six different strand arrangements. The object was to study the influence of strand stresses, steel ratio, group strand action, bond, and non-pretensioned strand on fatigue life.

DOI:

10.14359/17684


Document: 

SP41-14

Date: 

January 1, 1974

Author(s):

N.M. Hawkins

Publication:

Symposium Papers

Volume:

41

Abstract:

Results are reported of fatigue tests on nine one-way, centrally loaded slabs reinforced with two layers of a square, smooth wire fabric consisting of No. 2 wires at 6-inch (15.2 cm) centers.

DOI:

10.14359/17687


Document: 

SP41-05

Date: 

January 1, 1974

Author(s):

J.M. Hanson, M.F. Somes, and T. Helagson

Publication:

Symposium Papers

Volume:

41

Abstract:

A comprehensive experimental investigation of the influence of stress range, minimum stress level, bar size, type of specimen, and ASTM grade on the fatigue life of reinforcing bars is described.

DOI:

10.14359/17678


Document: 

SP41-15

Date: 

January 1, 1974

Author(s):

B. dev. Batchelor and B.E. Hewitt

Publication:

Symposium Papers

Volume:

41

Abstract:

The effects of repeated loads on slabs of steel/concrete composite bridges are reported. The study was based on tests of a number of 1/8 scale direct models of a typical highway bridge and was aimed at determining endurance limits of slabs under repeated concentrated loads.

DOI:

10.14359/17688


Document: 

SP41-08

Date: 

January 1, 1974

Author(s):

I.C. Jhamb and J.G. MacGregor

Publication:

Symposium Papers

Volume:

41

Abstract:

Because research on metal fatigue has shown that fatigue failures tend to occur in regions of high stress concentrations, finite element stress analyses were used to determine stress concentration factors (Kt) for deformed reinforcing bars.

DOI:

10.14359/17681


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