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Model Study Of A Buried Arch Subjected To Dynamic Loading

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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 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.

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).

Dynamic Test Of A Model Flexible Arch Type Protective Shelter

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Author : Thomas E. Kennedy
language : en
Publisher:
Release Date : 1967

Dynamic Test Of A Model Flexible Arch Type Protective Shelter 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 1967 with Blast effect categories.

The general objective of the pilot test reported herein was to determine the response of a small-scale, buried, flexible-arch troop shelter to a simulated nuclear blast overpressure. To accomplish this, a model structure was constructed using a scaling ratio of 1 to 4.5. The model structure was buried in dense, dry sand with depth of cover equal to one-quarter the diameter of the arch. The test was conducted in the Waterways Experiment Station Large Blast Load Generator at an overpressure of about 85 psi. Strain, acceleration, and deflection were measured at various points on the structure along with pressure in the free field and overpressure at the soil surface. The only serious damage observed was a shear failure of the bolt connections between the bulkhead columns and the end trusses. The results of this study will be used to plan further tests of the structure.

Technical Abstract Bulletin

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Author :
language : en
Publisher:
Release Date :

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 with Science 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.

Response Of Horizontally Oriented Buried Cylinders To Static And Dynamic Loading

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Author : Albert F. Dorris
language : en
Publisher:
Release Date : 1965

Response Of Horizontally Oriented Buried Cylinders To Static And Dynamic Loading written by Albert F. Dorris and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1965 with Clay categories.