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Title: Bond between concrete and steel reinforcement at temperatures to 149/sup 0/C (300/sup 0/F)

Abstract

Oak Ridge National Laboratory conducted a series of bond pull-out tests to determine the effect of elevated temperatures (ranging from 24 to 149/sup 0/C (75 to 300/sup 0/F)) on the bond strength between concrete and deformed steel reinforcement. This report summarizes the findings of the study, describes the tests and results, and offers recommendations for incorporating these results into the design of structures that must operate within the prescribed range of elevated temperatures.

Authors:
;
Publication Date:
Research Org.:
Oak Ridge National Lab., Tenn. (USA)
Sponsoring Org.:
USDOE
OSTI Identifier:
5003524
Report Number(s):
ORNL/TM-6086
TRN: 78-010771
DOE Contract Number:
W-7405-ENG-26
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; REINFORCED CONCRETE; ADHESION; MATERIALS TESTING; STEELS; BONDING; HIGH TEMPERATURE; TEMPERATURE DEPENDENCE; ALLOYS; BUILDING MATERIALS; CONCRETES; FABRICATION; IRON ALLOYS; IRON BASE ALLOYS; JOINING; MATERIALS; REINFORCED MATERIALS; TESTING; 360303* - Composite Materials- Mechanical Properties- (-1987)

Citation Formats

Oland, C. B., and Callahan, J. P. Bond between concrete and steel reinforcement at temperatures to 149/sup 0/C (300/sup 0/F). United States: N. p., 1978. Web. doi:10.2172/5003524.
Oland, C. B., & Callahan, J. P. Bond between concrete and steel reinforcement at temperatures to 149/sup 0/C (300/sup 0/F). United States. doi:10.2172/5003524.
Oland, C. B., and Callahan, J. P. Sat . "Bond between concrete and steel reinforcement at temperatures to 149/sup 0/C (300/sup 0/F)". United States. doi:10.2172/5003524. https://www.osti.gov/servlets/purl/5003524.
@article{osti_5003524,
title = {Bond between concrete and steel reinforcement at temperatures to 149/sup 0/C (300/sup 0/F)},
author = {Oland, C. B. and Callahan, J. P.},
abstractNote = {Oak Ridge National Laboratory conducted a series of bond pull-out tests to determine the effect of elevated temperatures (ranging from 24 to 149/sup 0/C (75 to 300/sup 0/F)) on the bond strength between concrete and deformed steel reinforcement. This report summarizes the findings of the study, describes the tests and results, and offers recommendations for incorporating these results into the design of structures that must operate within the prescribed range of elevated temperatures.},
doi = {10.2172/5003524},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Sat Apr 01 00:00:00 EST 1978},
month = {Sat Apr 01 00:00:00 EST 1978}
}

Technical Report:

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  • The du Pont F21 149/sup 0/C (300/sup 0/F) Accelerated Stability Test has been used for many years to monitor stability properties of distillate fuels. The test (or variations of it) is the most commonly used in the petroleum industry because, of the many tests available, it is easiest to carry out. A small fuel sample is heated to 149/sup 0/C (300/sup 0/F) for 90 min or more, cooled, and filtered; degradation is qualitatively determined by visual or instrumental evaluation of the filter pad - without the need for gravimetric procedures. In our laboratory it is usually the first of severalmore » tests to evaluate fuel stability; results guide further work. The test is also used to monitor fuel stability during production, distribution, and storage. Variations, refinements, applications, and limitations of the test are discussed. Severity is modified by varying the 149/sup 0/C (300/sup 0/F) aging period from 90 min to 4 1/2 h. Sensitivity is varied by changing the porosity of the filter paper. Test results are precisely rated by measuring filter pad light reflection. The reproducibility of the test is considered, along with factors which affect results. Data are presented which show the relationship of test results with actual long-term storage stability of fuels.« less
  • The du Pont F21 149/sup 0/C (300/sup 0/F) Accelerated Stability Test has been used for many years to monitor stability properties of distillate fuels. The test (or variations of it) is the most commonly used in the petroleum industry because, of the many tests available, it is easiest to carry out. A small fuel sample is heated to 149/sup 0/C (300/sup 0/F) for 90 min or more, cooled, and filtered; degradation is qualitatively determined by visual or instrumental evaluation of the filter pad - without the need for gravimetric procedures. In our laboratory it is usually the first of severalmore » tests to evaluate fuel stability; results guide further work. The test is also used to monitor fuel stability during production, distribution, and storage. Variations, refinements, applications, and limitations of the test are discussed. Severity is modified by varying the 149/sup 0/C (300/sup 0/F) aging period from 90 min to 4 1/2 h. Sensitivity is varied by changing the porosity of the filter paper. Test results are precisely rated by measuring filter pad light reflection. The reproducibility of the test is considered, along with factors which affect results. Data are presented which show the relationship of test results with actual long-term storage stability of fuels.« less