International Concrete Abstracts Portal

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International Concrete Abstracts Portal

Showing 1-10 of 11 Abstracts search results

Document: 

SP49-10

Date: 

January 1, 1975

Author(s):

James R. Clifton, Hugh F. Beeghly and Robert G. Mathey

Publication:

Special Publication

Volume:

49

Abstract:

This study was undertaken to ascertain the feasibility of using organic coatings, especially epoxies, to protect steel reinforcing bars embedded in concrete of bridge decks from rapid corrosion. This corrosion is caused by chloride ions from the deicing salts, sodium chloride and calcium chloride. Altogether, 47 different coatings were evaluated to some extent, of which 36 were epoxy coatings.

10.14359/17537


Document: 

SP49-09

Date: 

January 1, 1975

Author(s):

T.E. Backstrom

Publication:

Special Publication

Volume:

49

Abstract:

Coatings are sometimes considered for steel that is to be embedded in concrete when the structures will be exposed to moderately or highly corrosive conditions. There are numerous benefits possible by the addition of a protective coating to the steel, as well as several disadvantages. The desirability of use of a coating is open to serious question.

10.14359/17536


Document: 

SP49-08

Date: 

January 1, 1975

Author(s):

D.F. Griffin

Publication:

Special Publication

Volume:

49

Abstract:

A corrosion inhibitor is an admixure that is used in concrete to keep the metal embedded in the concrete from corroding. The theory of and types of inhibitors as well as a method for evaluating inhibitors are discussed. Investigations to date are laboratory efforts. Real-life situations revealing results of inhibitors; corrosion resistance; mix proportioning; reinforced concrete

10.14359/17535


Document: 

SP49-07

Date: 

January 1, 1975

Author(s):

R.C. Robinson

Publication:

Special Publication

Volume:

49

Abstract:

Use of cathodic protection to prevent or arrest corrosion of reinforced or prestressed concrete structures which have been damaged, subjected to stray-current interference or installed in severly corrosive environments is discussed.

10.14359/17534


Document: 

SP49-06

Date: 

January 1, 1975

Author(s):

Kenneth C. Clear

Publication:

Special Publication

Volume:

49

Abstract:

This paper is a partial summary of data obtained in an FHWA study designed to provide adminstrators and designers with factual data on which to base decisions as to types of protection for bridge decks constructed in corrosion environments.

10.14359/17533


Document: 

SP49-05

Date: 

January 1, 1975

Author(s):

Rudolph Szilard and Oddmund Wallevik

Publication:

Special Publication

Volume:

49

Abstract:

Accelerated corrosion tests have been used to determine the required thickness of conrete cover for permanent corrosion protection of prestressing steel.

10.14359/17532


Document: 

SP49-04

Date: 

January 1, 1975

Author(s):

Bernard Erlin and George J. Verbeck

Publication:

Special Publication

Volume:

49

Abstract:

The electrochemical and physical mechanisms causing the corrosion of steel in concrete are known. There is, however, a need for information that will more specifically characterize the effects of individual factors that initiate corrosion, and for methods that can be used to stop the corrosion process once it has begun.

10.14359/17531


Document: 

SP49-03

Date: 

January 1, 1975

Author(s):

George J. Verbeck

Publication:

Special Publication

Volume:

49

Abstract:

The purpose of this paper is to present in an interpretative manner and as briefly as is consistent with accuracy those factors of design, concrete quality, and environment that affect the corrosion of steel in concrete and the resulting performance of the structure.

10.14359/17530


Document: 

SP49-02

Date: 

January 1, 1975

Author(s):

Francis X. Crowley

Publication:

Special Publication

Volume:

49

Abstract:

The author provides a brief history of the original use of shotcrete to provide corrosion protection for spirally wound prestressed shotcrete and concrete tanks. In addition, various failures are described along with reason for the failures. Details are also given of steps that must be taken to insure permanent corrosion protection for the wire.

10.14359/17529


Document: 

SP49-01

Date: 

January 1, 1975

Author(s):

Odd E. Gjorv

Publication:

Special Publication

Volume:

49

Abstract:

Under the combined effects of exposure to ocean environments and heavy structural loading there are a number of deteriorating processes taking place.

10.14359/17528


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