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Author : William J. Flathau
Publisher :
ISBN 13 :
Total Pages : 27 pages
Book Rating : 4.:/5 (275 download)
Download or read book The Design of Buried Arches to Resist Blast Loads written by William J. Flathau and published by . This book was released on 1964 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 141 pages
Book Rating : 4.:/5 (227 download)
Download or read book A Comparison Study of Aboveground Reinforced Concrete Cylindrical Arches Designed to Resist Blast Loads written by and published by . This book was released on 1988 with total page 141 pages. Available in PDF, EPUB and Kindle. Book excerpt: The emphasis of this report will be on the methods available to design and analyze aboveground arches for blast loads and also on the final design results and comparisons for each case examined. It is not intended to be an in-depth study on structural dynamics and how it is applied to blast resistant design, but, will include enough background information on the procedures used herein to provide a basis for those procedures. Only the aboveground arch structure will be studied. The blast effects on foundations, openings, end walls, and mechanical and electrical systems will not be considered. The above ground portion of the structure is most affected by the various blast design loads and changes in configuration and, as such, will have the greatest impact on the data used for the final comparisons. Airblast and fragmentation will be the only loads resulting from explosions considered in this report.
Author : Caryll Robbins Whipple
Publisher :
ISBN 13 :
Total Pages : 486 pages
Book Rating : 4.:/5 (31 download)
Download or read book The Dynamic Response of Shallow-buried Arches Subjected to Blast Loading written by Caryll Robbins Whipple and published by . This book was released on 1961 with total page 486 pages. Available in PDF, EPUB and Kindle. Book excerpt: A study was made of the effectiveness of the surrounding soil in restraining the lateral movement of shallow-buried arches subjected to blast overpres ures from a nuclear explosion. The theory is developed for parabolic arches with circular or barrel arches included as a special case. It can be pplied equally well to arches oriented with their longitudinal axes perpendicular to or parallel to the direction of travel of the blast wave. The arch is considered to be buried near the surface of a semi-infinite soil mass. The depth of cover over the crown is limited to one-half of the arch span. The twohinged rather than the fixed arch is selected as representing more closely the shallow-buried rch structures used in full-scale nuclear tests to date. While these structures were not actually pinned at the arch abutments, their behavior under blast loading appears to resemble more closely the pinned th n the fixed case. he principal variables studied in the numerical examples include: (1) depth of cover, (2) overpressure loading, (3) arch material, and (4) arch span. (Author).
Author : Jimmy P. Balsara
Publisher :
ISBN 13 :
Total Pages : 168 pages
Book Rating : 4.:/5 (318 download)
Download or read book Similitude Study of Flexible Buried Arches Subjected to Blast Loads written by Jimmy P. Balsara and published by . This book was released on 1968 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of the study was to investigate and verify model-to-prototype scaling relations for blast loaded buried arches that respond both elastically and inelastically. Four geometrically similar, semicircular aluminum alloy arches with 4-, 8-, 12-, and 36-inch diameters were buried in dense dry sand and subjected to air-blast-induced loads on the surface. The tests were conducted at the Large Blast Load Generator located at the U.S. Army Engineer Waterways Experiment Station. The results of two series of tests, each consisting of 3 repeated shots, ranging from 70 to 300 psi, are presented. Within the range of parameters investigated, the scaling of the dependent variables were adequately verified. These variables included acceleration, velocity, displacement, thrust, and bending moment. (Author).
Author : Thomas Edward Kennedy
Publisher :
ISBN 13 :
Total Pages : 68 pages
Book Rating : 4.3/5 (91 download)
Download or read book The Dynamic Response of a Simulated Buried Arch to Blast Loading written by Thomas Edward Kennedy and published by . This book was released on 1971 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: A method of analysis for buried arches with footings was developed to predict their response to a nuclear airblast overpressure. The method of analysis was formulated by considering the arch ring as a discrete model consisting of a finite number of nodes (flexible joints) connected by rigid bars initially of equal length. The results of laboratory and field tests on 1/4.5- and 1/2-scale models, respectively, of an arch structure are compared with predictions made using the analysis. Arch internal loads, footing motions, and free-field motions are compared with those predicted by the analysis and compare favorably. The analytical technique was used to predict the response of the prototype structure to a 140-psi air overpressure loading resulting from the detonation of 10-kt, 100-kt, and 1-Mt weapons, to a 100-psi air overpressure for a 1-Mt weapon, and to the Operation Prairie Flat (500-ton TNT) 140-psi overpressure and the predicted response was compared with that assumed in designing the structure. The method of analysis developed is recommended whenever a significant cost savings can be realized because a number of structures are to be constructed or when local soil conditions make design by cruder methods uncertain. (Author).
Author : Jay R. Allgood
Publisher :
ISBN 13 :
Total Pages : 178 pages
Book Rating : 4.:/5 (359 download)
Download or read book Blast Loading of Small Buried Arches written by Jay R. Allgood and published by . This book was released on 1963 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt: It was evident that the passive pressures which developed on the sides played the dominant role in providing resistance. It has been found that in static tests some of the surface load is carried by arching through the soil. In the dynamic tests the inertial forces of the soil above the arch were found to be important. The inertial load overcame the soil shear resistance so that a load approximately equal to the surface load acted on the structure. A model analysis of the system and subsequent comparison of the deflections from the small-structure tests and the Operation Plumbbob Structure 3.3 tests indicate that modeling of deflections is possible.
Author : Robert K. Tener
Publisher :
ISBN 13 :
Total Pages : 212 pages
Book Rating : 4.3/5 (91 download)
Download or read book Model Study of a Buried Arch Subjected to Dynamic Loading written by Robert K. Tener and published by . This book was released on 1964 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Waterways Experiment Station (U.S.)
Publisher :
ISBN 13 :
Total Pages : 142 pages
Book Rating : 4.3/5 (91 download)
Download or read book Design and Analysis of Underground Reinforced-concrete Arches written by Waterways Experiment Station (U.S.) and published by . This book was released on 1962 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : U.S. Army Engineer Waterways Experiment Station
Publisher :
ISBN 13 :
Total Pages : 430 pages
Book Rating : 4.:/5 (319 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 1976 with total page 430 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : University of Arizona. Engineering Research Laboratories
Publisher :
ISBN 13 :
Total Pages : 656 pages
Book Rating : 4.:/5 (318 download)
Download or read book Proceedings of the Symposium on Soil-structure Interaction written by University of Arizona. Engineering Research Laboratories and published by . This book was released on 1964 with total page 656 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : N. Palacios
Publisher :
ISBN 13 :
Total Pages : 170 pages
Book Rating : 4.3/5 (91 download)
Download or read book The Dynamic Response of Buried Concrete Arches written by N. Palacios and published by . This book was released on 1967 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 660 pages
Book Rating : 4.:/5 (31 download)
Download or read book Proceedings written by and published by . This book was released on 1964 with total page 660 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 272 pages
Book Rating : 4.:/5 (89 download)
Download or read book Shock, Vibration, and Associated Environments written by and published by . This book was released on 1963 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Thomas Edward Kennedy
Publisher :
ISBN 13 :
Total Pages : 54 pages
Book Rating : 4.:/5 (359 download)
Download or read book Comparison of Simulation and Field Tests of a Buried Concrete Arch Structure written by Thomas Edward Kennedy and published by . This book was released on 1968 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 124 pages
Book Rating : 4.:/5 (31 download)
Download or read book The Shock and Vibration Bulletin written by and published by . This book was released on 1987 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Waterways Experiment Station (U.S.)
Publisher :
ISBN 13 :
Total Pages : 322 pages
Book Rating : 4.:/5 (319 download)
Download or read book List of Publications of the U.S. Army Engineer Waterways Experiment Station written by Waterways Experiment Station (U.S.) and published by . This book was released on 1973 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Bureau of Yards and Docks
Publisher :
ISBN 13 :
Total Pages : 154 pages
Book Rating : 4.3/5 (126 download)
Download or read book Studies in Atomic Defense Engineering written by United States. Bureau of Yards and Docks and published by . This book was released on 1961 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt:
