Development Of On Structure Stress Gages
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Development Of On Structure Stress Gages
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Author : Russell W. Faust
language : en
Publisher:
Release Date : 1967
Development Of On Structure Stress Gages written by Russell W. Faust and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Soils categories.
The report describes the development of three types of on-structure stress (OSS) gages (the IF and FS soil-pressure gages and the M-1 airblast gage) based upon the load column principle. The OSS gage design is based upon the assumption (backed by theory and experiment) that if the gage is made much stiffer than the soil, the over-registration of the gage approaches a constant value. A brief discussion of some of the unique problems of measurement of soil pressures is presented. Six OSS gages (four IF, one FS, and one M-1) were statically tested and evaluated with respect to linearity, hysteresis, resolution, thermal sensitivity, and strain sensitivity. Dynamic tests were performed in a laboratory shock tube and blast load simulator facilities. The OSS gages are concluded to be adequate for soil-pressure measurements on certain types of rigid structures and for airblast measurements, even in explosive atmospheres. They successfully measured dynamic gas pressure up to 5,000 psi in the firing tubes of the laboratory blast simulator device. Additional research is recommended to evaluate the gage performance more completely in static and dynamic soil tests. A range of soil types from coarse dry sand to moist fat clays should be investigated. Future research on gages for measuring soil pressures on structures should be concentrated on development of small gages for use with models and thin-walled structures. (Author).
Evaluation Of The Crack Growth Gage Concept As An Individual Aircraft Tracking Device
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Author : F. J. Giessler
language : en
Publisher:
Release Date : 1983
Evaluation Of The Crack Growth Gage Concept As An Individual Aircraft Tracking Device written by F. J. Giessler and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Airplanes categories.
An analytical and experimental program was conducted to evaluate the crack growth gage concept for application as an individual aircraft tracking device. Three gage designs were evaluated. Volume I discusses the evaluation of two versions of a stepped thickness gage and a stepped width gage. Volume II discusses the evaluation of a side-grooved constant thickness gage. An analytical evaluation of the change in transfer function corresponding to gage design parameter changes was performed to determine the configuration of the gages to be tested. Initial spectrum tests were conducted on the first stepped gage design to determine the ranking ability of the gage. Then constant amplitude tests were conducted on the second stepped gage design. A modification of the gage was made to improve spectrum test response. The modified gage was subjected to both constant amplitude testing and spectrum testing. The analytically derived crack growth rates were compared to the test data. In general, the analysis predicted slightly higher growth rates than observed.
Development Of A Stress Relief Method With A Three Directional Borehole Deformation Gage
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Author : W. G. Austin
language : en
Publisher:
Release Date : 1970
Development Of A Stress Relief Method With A Three Directional Borehole Deformation Gage written by W. G. Austin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Strains and stresses categories.
U S Government Research Reports
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Author :
language : en
Publisher:
Release Date : 1964
U S Government Research Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964 with Science categories.
The Development Of A Three Dimensional Stress Cell For Granular Soils
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Author : T. K. Lew
language : en
Publisher:
Release Date : 1970
The Development Of A Three Dimensional Stress Cell For Granular Soils written by T. K. Lew and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with categories.
The study presents the results of preliminary tests on a three-dimensional soil stress cell. The results indicate that: (1) The hydrostatic response is linear fr stress up to 3000 psi. (2) The cell requires no calibration. (3) Its response is insensitive to variations in soil stiffness. (4) Its dynamic response closely follows the decay of the overpressure pulse. (5) With a few exceptions, the measured stresses computed from the stress cell data and corresponding stresses in the soil are within 10 percent absolute. More extensive testing and evaluation is required before the stress cell developed can be used with complete confidence. (Author).
Technical Abstract Bulletin
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Author :
language : en
Publisher:
Release Date : 1964
Technical Abstract Bulletin written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964 with Science categories.
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1994
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Aeronautics categories.
The Structural Design Of Concrete Pavements
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Author : United States. Public Roads Administration
language : en
Publisher:
Release Date : 1943
The Structural Design Of Concrete Pavements written by United States. Public Roads Administration and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1943 with Pavements, Concrete categories.
Himat Structural Development Design Methodology
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Author :
language : en
Publisher:
Release Date : 1979
Himat Structural Development Design Methodology written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with categories.
Nuclear Science Abstracts
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Author :
language : en
Publisher:
Release Date : 1975
Nuclear Science Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with Nuclear energy categories.