Model Study Of Dynamically Loaded Arch Structures
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Model Study Of Dynamically Loaded Arch Structures
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Author : Don R. Denton
language : en
Publisher:
Release Date : 1966
Model Study Of Dynamically Loaded Arch Structures written by Don R. Denton and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1966 with Building, Bombproof categories.
As a part of this program, a series of laboratory model and prototype structures was tested dynamically in the Blast Load Generator facility located at WES to evaluate the use of scale-model tests in predicting the elastic response of a laboratory-size prototype structure to dynamic loads. Presented in this paper are the results of tests of three metal arch structures having diameters of 8, 16, and 24 in., respectively, placed at various depths of burial in dry sand and subjected to ground surface overpressures ranging from 57 to 196 psi.
Model Study Of A Buried Arch Subjected To Dynamic Loading
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Author : Robert K. Tener
language : en
Publisher:
Release Date : 1964
Model Study Of A Buried Arch Subjected To Dynamic Loading written by Robert K. Tener and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964 with Aluminum categories.
Model Study Of The Response Of Silo Type Structures In Dry Sand Under One Dimensional Plane Wave Loading
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Author : Edward Belk Perry
language : en
Publisher:
Release Date : 1973
Model Study Of The Response Of Silo Type Structures In Dry Sand Under One Dimensional Plane Wave Loading written by Edward Belk Perry and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with Blast effect categories.
Froude modeling, where strength and modulus properties and surface overpressure scale as the length scale, is a potential method for determining the structural response of underground protective structures at overpressures in excess of existing laboratory devices provided the strength and modulus properties can be adequately scaled. The results of this study indicated that Froude model tests on silo-type structures in dry sand under one-dimensional plane wave loading could predict the loading response of a prototype constructed using a length scale of three. The primary contribution of this study was to focus attention on the necessity of scaling the unloading soil moduli if Froude modeling is to successfully predict the time-history of a soil-structure system whenever the characteristics of the problem (loading, geometry, etc.) are such that unloading occurs in the soil.
Similitude Study Of Flexible Buried Arches Subjected To Blast Loads
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Author : Jimmy P. Balsara
language : en
Publisher:
Release Date : 1968
Similitude Study Of Flexible Buried Arches Subjected To Blast Loads written by Jimmy P. Balsara and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with Aluminum categories.
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).
A Model Study Of Dynamically Loaded Square Footings On Dry Sand
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Author : Jack K. Poplin
language : en
Publisher:
Release Date : 1969
A Model Study Of Dynamically Loaded Square Footings On Dry Sand written by Jack K. Poplin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with Engineering models categories.
The investigation reported herein was undertaken to develop an approach to modeling displacements of surface and shallow-buried footings on dry sand subject to high-intensity, single-pulse loads. A hypothetical shallow-bured structure with an isolated footing loaded by airblast overpressure produced by detonation of a nuclear weapon was assumed for design of load pulses on nine model footings used: footing widths of 4.5, 6.0, and 7.5 in. and depth-of-burial to footing width ratios of 0, 0.5, and 1.0. The principles of similitude were used to scale length, force, and time in the models. The models were placed in mobile test bins of uniform, fine, dry sand (90 percent relative density) and subjected to dynamic and static loading. Nondimensional load-displacement relations dependent only on depth-of-burial ratio were developed relating maximum displacement to peak dynamic load, footing width, and soil shear strength gradient. When the dynamic response of the footings in the form of reaction-displacement curves was compared with static response, an increase in initial stiffness and ultimate strength was observed for dynamic loading. However, these dynamic increases were greatest when the static shear strength was lowest, i.e. footings on the surface, and were least for footings buried at a depth equal to its width where the static overburden produced a substantial increase in shear strength. (Author).
Static And Dynamic Performance Analysis Of Structures And Materials Under Complex Loads And Environmental Excitation
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Author : Ping Xiang
language : en
Publisher: Frontiers Media SA
Release Date : 2025-05-29
Static And Dynamic Performance Analysis Of Structures And Materials Under Complex Loads And Environmental Excitation written by Ping Xiang and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-05-29 with Technology & Engineering categories.
With the development of structural materials, more and more new materials and construction methods are applied to infrastructure construction in order to achieve carbon neutrality and emission peak. Nowadays, people have more and more strict requirements for the comfort, safety and resistance to environmental disasters of infrastructure. Therefore, the static and dynamic performance of new structures and materials under complex environment and load becomes more and more important in construction and design of infrastructure engineering. Modern civil engineering has been developing towards intelligence. Both construction technology and material technology are developing towards a more intelligent direction. How to take new means to make the structure have good mechanical performance, and can sense the external environment and load excitation, is a development direction of civil engineering. This Research Topic welcomes researches on the macro and micro mechanical performance analysis of materials, static and dynamic response analysis of structures in construction engineering, bridge engineering, railway engineering and geotechnical engineering. In addition, under the action of wind load and earthquake load, the large-scale vibration of structures will seriously endanger the safety. The safety and stability performances of infrastructures still represent a serious challenge to researchers, engineers, and constructors. This Research Topic is dedicated to the most recent advances in research into the mechanical performances of structures and materials and some related applications. We welcome scientists and investigators to contribute Original Research and Review articles, addressing the main issues facing the field. Potential topics include but are not limited to the following: • New theoretical, numerical, and experimental methods for vibration of structures. • Assessment of dynamic responses of infrastructures under static and dynamic loads. • Innovative design and mechanical performances of composite structures. • Intelligent structural health monitoring with optical fiber sensing technology. • Mechanical performances of structures and materials from micro to macro scales. • Mechanism of vehicle bridge coupling vibration. • Structural fatigue performance analysis under earthquakes. • Infrastructure innovations for durability and resilience with new structure system and materials. • Dynamic evolution of structural damage under extreme loads such as earthquake, typhoon and impact. • Structural heath monitoring of large-scale infrastructures. • Numerical modelling and computational mechanical analysis of structures and infrastructures.
Dynamic Response Of A Model Buried Field Shelter Project Ln314 Operation Prairie Flat
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Author : Thomas E. Kennedy
language : en
Publisher:
Release Date : 1970
Dynamic Response Of A Model Buried Field Shelter Project Ln314 Operation Prairie Flat written by Thomas E. Kennedy and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Nuclear bomb shelters categories.
A Water Resources Technical Publication
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Author : United States. Bureau of Reclamation
language : en
Publisher:
Release Date : 1970
A Water Resources Technical Publication written by United States. Bureau of Reclamation and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Electronic data processing categories.
The Shock And Vibration Bulletin
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Author :
language : en
Publisher:
Release Date : 1987
The Shock And Vibration 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 1987 with Shock (Mechanics) categories.
The Application Of Similitude To Protective Construction Research
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Author : Waterways Experiment Station (U.S.)
language : en
Publisher:
Release Date : 1964
The Application Of Similitude To Protective Construction Research written by Waterways Experiment Station (U.S.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964 with Engineering models categories.