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Author : Gayle E. Albritton
Publisher :
ISBN 13 :
Total Pages : 116 pages
Book Rating : 4.3/5 (91 download)
Download or read book The Elastic Response of Buried Cylinders written by Gayle E. Albritton and published by . This book was released on 1966 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert Evans Walker
Publisher :
ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.:/5 (359 download)
Download or read book The Elastic Response of Buried Cylinders in Sand written by Robert Evans Walker and published by . This book was released on 1966 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: The results of the study indicate that there are certain regimes where the elastic theory could be used to determine the dynamic magnification factors. Further, elastic theory does not appear to be applicable over the entire pressure domain nor does it appear to predict the location of the maximum strain. A majority of the observed phenomena may be explained by the fact that the static transmissibility of the soil increases in higher pressure regions and by the fact that the dynamic transmissibility is higher than the static for the low pressure regions. Both the static and dynamic transmissibilities seem to converge in the higher pressure regions. (Author).
Author : David C. Foster
Publisher :
ISBN 13 :
Total Pages : 144 pages
Book Rating : 4.3/5 (91 download)
Download or read book Elastic Response of Shock-isolated Cylinders Buried in a Dense, Dry Sand written by David C. Foster and published by . This book was released on 1969 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of the study was to investigate the elastic response of a stiff, horizontally oriented, steel cylinder backpacked with a low-strength cellular concrete and buried in a dense, dry sand, whose surface was subjected to static and dynamic overpressures. Four series of tests were conducted on the cylinder (one static and one dynamic series without backpacking, and two dynamic series with backpacking). The cylinder had an outside diameter of 6 inches, a 0.120-inch wall thickness, and a stiffness of 164 psi. Static and dynamic surface overpressures ranged from 0 to 250 psi and from 100 to 250 psi, respectively. In the tests with backpacking, a layer of cellular concrete with a thickness of either 1-3/8 or 2-7/8 inches encompassed the cylinder. The cylinder was buried at a depth of 15 inches, which was held constant for all tests. Measurements were made of the strains and accelerations experienced by the cylinder, test chamber bonnet pressure, surface overpressure, and free-field pressure and acceleration. Backpacking reduced the peak strains experienced by the cylinder, and a redistribution of the strains in the cylinder occurred. For all tests utilizing backpacking, the accelerations of the cylinder were reduced to approximately 10 to 50 percent of those measured in corresponding tests without backpacking. (Author).
Author : Albert F. Dorris
Publisher :
ISBN 13 :
Total Pages : 248 pages
Book Rating : 4.3/5 (91 download)
Download or read book Response of Horizontally Oriented Buried Cylinders to Static and Dynamic Loading written by Albert F. Dorris and published by . This book was released on 1965 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gayle E. Albritton
Publisher :
ISBN 13 :
Total Pages : 216 pages
Book Rating : 4.3/5 (91 download)
Download or read book Behavior of Flexible Cylinders Buried in Sand Under Static and Dynamic Loading written by Gayle E. Albritton and published by . This book was released on 1968 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: The general objective of the investigation was to study experimentally the behavior to failure of flexible, horizontally oriented cylinders buried at various depths in dense, dry sand and subjected to either static or dynamic surface overpressures. Static and dynamic tests were conducted on 33 different cylinders, fabricated of high-yield-strength aluminum. Results indicated that collapse of the cylinders occurred while the strains in the cylinder walls were still in the elastic range. The cylinders buried at the shallow depths (zero to one-half cylinder diameter above the crown) collapsed by a catastrophic snap-through or caving of the crown. For the cylinders buried at depths of three-quarters to two cylinder diameters above the crown, the mode of collapse was an instantaneous elastic buckle that occurred at the spring line or invert of the cylinder. The collapse mode of the cylinders under dynamic overpressure was similar to that of the cylinders collapsing under static overpressure. The results of the investigation verified the applicability of an equation for predicting the static collapse overpressure for smooth-walled, horizontally oriented, buried cylindrical structures and entranceways. The hoop-compression theory was found to be applicable for analyzing the structural design to determine if the cylinder would collapse in the elastic range. (Author).
Author :
Publisher :
ISBN 13 :
Total Pages : 760 pages
Book Rating : 4.E/5 ( download)
Download or read book Technical Abstract Bulletin written by and published by . This book was released on with total page 760 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : U.S. Army Engineer Waterways Experiment Station
Publisher :
ISBN 13 :
Total Pages : 128 pages
Book Rating : 4.3/5 ( download)
Download or read book List of Publications of the U.S. Army Engineer Waterways Experiment Station written by U.S. Army Engineer Waterways Experiment Station and published by . This book was released on 1969 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 384 pages
Book Rating : 4.3/5 (91 download)
Download or read book Alternatives in Energy Conservation written by and published by . This book was released on 1976 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 314 pages
Book Rating : 4.:/5 (3 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1967 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 62 pages
Book Rating : 4.:/5 (319 download)
Download or read book Publications Available for Purchase. U.s. Army Engineer Waterways Experiment Station and Other Corps of Engineers Agencies written by and published by . This book was released on 1969 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contents: Reports from U.S. Army Engineer Waterways Experiment Station and St. Paul District Hydraulic Laboratory; Reports published and distributed by Waterways Experiment Station for other Corps of Engineers agencies; Engineer manuals.
Author : R. N. Murtha
Publisher :
ISBN 13 :
Total Pages : 30 pages
Book Rating : 4.:/5 (227 download)
Download or read book Influence of Soil-Rock Interface on Dynamic Response of Buried Cylinders written by R. N. Murtha and published by . This book was released on 1974 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: The study was initiated to determine the influence of an underlying rock interface on the response of buried cylinders to blast loading. Static and dynamic tests were conducted on eight different 6-inch-diameter steel cylinders buried horizontally in a dense, dry sand. The major variables were the cylinder thickness and the location concrete bottom. Measurements were made of hoop strain, vertical diameter changes, and accelerations of the cylinder; free-field stress, strain, and acceleration of the soil; and surface overpressure. (Modified author abstract).
Author : Donald M. Palmer
Publisher :
ISBN 13 :
Total Pages : 70 pages
Book Rating : 4.:/5 (359 download)
Download or read book The Experimental and Theoretical Study of Buried Cylinders Under Dynamic Loading written by Donald M. Palmer and published by . This book was released on 1963 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: A list of the problems related to buried and submerged cylinders that are solved in the literature is given. This includes both rigid and flexible cylinders and both acoustical fluid and elastic solid surrounding media. The works of Baron and Yoshihara, in particular, are discussed at some length but only graphical data is cited due to the complex nature of the solutions. Using this data, an experimental program for the blast load generator is presented. Also included is a brief discussion of the methods of numerical integration of a function when a response to a step function is given. (Author).
Author :
Publisher :
ISBN 13 :
Total Pages : 1028 pages
Book Rating : 4.E/5 ( download)
Download or read book Government-wide Index to Federal Research & Development Reports written by and published by . This book was released on 1966 with total page 1028 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jay R. Allgood
Publisher :
ISBN 13 :
Total Pages : 84 pages
Book Rating : 4.:/5 (359 download)
Download or read book The Behavior of Shallow-buried Cylinders written by Jay R. Allgood and published by . This book was released on 1965 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Edward H Bultmann (Jr)
Publisher :
ISBN 13 :
Total Pages : 168 pages
Book Rating : 4.:/5 (227 download)
Download or read book The Response of Buried Cylinders to Dynamic Loading written by Edward H Bultmann (Jr) and published by . This book was released on 1968 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report summarizes the results of an experimental investigation of the response of horizontally oriented buried flexible cylinders to dynamic loads. The objective of this study was to investigate the effect of variations in peak over pressure, depth of cover, and cylinder stiffness on cylinder response. All cylinders had a mean radius of 4 inches and a length of 16 inches. Cylinders of two different wall thicknesses were tested at depths of cover ranging from 0 to 8 inches and peak overpressures from 98 to 525 psi. These experiments showed that the surrounding soil does greatly increase the dynamic buckling strength of a thin-walled cylinder. It was also shown that a small change in the depth of cover could have a significant effect on buckling strength. Peak strains sometimes exceeded yield strength values, but they did not cause failure of the cylinder. Peak overpressure and depth of cover not only affected the magnitude of response to applied loads but also affected the location of the point of maximum strain. Peak strains and deflections at the crown and invert were more sensitive to changes in peak overpressure and depth of cover than were the strains and deflections at the springlines. (Author).
Author : Dr P S Bulson
Publisher : CRC Press
ISBN 13 : 1482267446
Total Pages : 244 pages
Book Rating : 4.4/5 (822 download)
Download or read book Buried Structures written by Dr P S Bulson and published by CRC Press. This book was released on 1984-12-20 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: Much of the infrastructure of modern society is buried below ground. Pipeline, conduits and culverts carry the services on which our economies depend and the strength and resilience of such structures is of vital importance. Larger underground construction is becoming more common in cities and towns, and in defence installations. This book brings t
Author :
Publisher :
ISBN 13 :
Total Pages : 256 pages
Book Rating : 4.:/5 (3 download)
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1976 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt:
