Dynamic Response Of Rectangular Footings In Clay And Sand

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Dynamic Response Of Rectangular Footings In Clay And Sand

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Author : Hugh M. Taylor
language : en
Publisher:
Release Date : 1972

Dynamic Response Of Rectangular Footings In Clay And Sand written by Hugh M. Taylor and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1972 with Concrete footings categories.

Effect Of Saturation On Dynamic Response Of Footings In Sand

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Author : Jack K. Poplin
language : en
Publisher:
Release Date : 1970

Effect Of Saturation On Dynamic Response Of Footings In 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 1970 with Foundations categories.

This investigation was undertaken to determine the effect of saturation of dense sand on the response of square footings to nuclear blast-type loading. Tests were conducted with footings on the surface and at a depth of burial equal to the footing width with a water table coincident with the plane of the footing. The results of these tests were compared with data from similar tests on dry sand from a preceding study. Saturation of dense sand had the effect of reducing maximum displacement. The displacements of surface footings were only about 30 percent of the displacement of footings on dry sand with equivalent soil density and loading condition, and the displacement of shallow buried footings was reduced by 50 percent. Empirical load-displacement curves developed from previous studies on dry sand were shown to be conservative when used to predict the response of footings on saturated dense sand. The primary difference in response occurred after peak reaction. The footings on saturated dense sand came to rest immediately, while footings on dry sand continued to displace for some short distance. This behavior was attributed to the development of transient negative pore pressures resulting from dilation of the sand. A similar laboratory investigation on a medium-density sand is recommended in order to determine whether or not any tendency toward liquefaction may occur at the lower end of the range of densities of interest for protective structure foundations. (Author).

Dynamic Response Of Rectangular Footings In Clay And Sand

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Author : Hugh M Taylor (Jr)
language : en
Publisher:
Release Date : 1972

Dynamic Response Of Rectangular Footings In Clay And Sand written by Hugh M Taylor (Jr) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1972 with categories.

The static and dynamic behavior of small-scale rectangular footings supported on the surface and buried in sand and clay specimens was determined experimentally, and the results are compared herein with dimensionless load-displacement relations previously developed for square footings. The effect of shallow depth of burial for rectangular footings in clay was found to be small for the range of parameters investigated, i.e., the nondimensional loading required to produce a given nondimensional displacement is approximately 10 percent greater for buried footings than for surface footings. (Author).

List Of Publications Of The U S Army Engineer Waterways Experiment Station

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Author : U.S. Army Engineer Waterways Experiment Station
language : en
Publisher:
Release Date : 1985

List Of Publications Of The U S Army Engineer Waterways Experiment Station written by U.S. Army Engineer Waterways Experiment Station and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Hydraulic engineering categories.

Wes Publications Of Interest To Facilities Engineers

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Author : Waterways Experiment Station (U.S.)
language : en
Publisher:
Release Date : 1976

Wes Publications Of Interest To Facilities Engineers 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 1976 with Military bases categories.

List Of Publications Of The U S Army Engineers Waterway Experiment Station

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Author : United States. Army. Corps of Engineers
language : en
Publisher:
Release Date : 1976

List Of Publications Of The U S Army Engineers Waterway Experiment Station written by United States. Army. Corps of Engineers and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with categories.

List Of Publications Of The U S Army Engineer Waterways Experiment Station

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Author : Waterways Experiment Station (U.S.)
language : en
Publisher:
Release Date : 1973

List Of Publications Of The U S Army Engineer Waterways Experiment Station 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 1973 with Hydraulic engineering categories.

List Of Publications Of The U S Army Engineer Waterways Experiment Station

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Author : Rose Mary Peck
language : en
Publisher:
Release Date : 1985

List Of Publications Of The U S Army Engineer Waterways Experiment Station written by Rose Mary Peck and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Coastal engineering categories.

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).

Government Reports Index

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Author :
language : en
Publisher:
Release Date : 1972

Government Reports Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1972 with Government publications categories.