Investigation of Uplift Failures in Flexible Pipe Culverts PDF Download
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Author: Tom Al Austin
Publisher:
ISBN:
Category : Culverts
Languages : en
Pages : 180
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Book Description
This study was precipitated by several failures of flexible pipe culverts due to apparent inlet flotation. A survey of Iowa County Engineers revealed 31 culvert failures on pipes greater than 72 in. diameter in eight Iowa counties within the past five years. No special hydrologic, topography, and geotechnical environments appeared to be more susceptible to failure. However, most failures seemed to be on pipes flowing in inlet control. Geographically, most of the failures were in the southern and western sections of Iowa. The forces acting on a culvert pipe are quantified. A worst case scenario, where the pipe is completely plugged, is evaluated to determine the magnitude of forces that must be resisted by a tie down or headwall. Concrete headwalls or slope collars are recommended for most pipes over 4 ft in diameter.
Author: Tom Al Austin
Publisher:
ISBN:
Category : Culverts
Languages : en
Pages : 180
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Book Description
This study was precipitated by several failures of flexible pipe culverts due to apparent inlet flotation. A survey of Iowa County Engineers revealed 31 culvert failures on pipes greater than 72 in. diameter in eight Iowa counties within the past five years. No special hydrologic, topography, and geotechnical environments appeared to be more susceptible to failure. However, most failures seemed to be on pipes flowing in inlet control. Geographically, most of the failures were in the southern and western sections of Iowa. The forces acting on a culvert pipe are quantified. A worst case scenario, where the pipe is completely plugged, is evaluated to determine the magnitude of forces that must be resisted by a tie down or headwall. Concrete headwalls or slope collars are recommended for most pipes over 4 ft in diameter.
Author: Iowa. Department of Transportation
Publisher:
ISBN:
Category : Transportation
Languages : en
Pages : 132
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Book Description
Author:
Publisher:
ISBN:
Category : Air travel
Languages : en
Pages : 512
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Author:
Publisher:
ISBN:
Category : Civil engineering
Languages : en
Pages : 640
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Author:
Publisher:
ISBN:
Category : Highway engineering
Languages : en
Pages : 592
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Author:
Publisher:
ISBN:
Category : Highway research
Languages : en
Pages : 342
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Book Description
Author: Library of Congress. Exchange and Gift Division
Publisher:
ISBN:
Category : State government publications
Languages : en
Pages : 598
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Book Description
An annual index to the monographs appears early in the following year.
Author:
Publisher:
ISBN:
Category : Public administration
Languages : en
Pages : 334
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Book Description
Author: Donald G. Anderson
Publisher: Transportation Research Board
ISBN: 0309117658
Category : Earthquake resistant design
Languages : en
Pages : 148
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Book Description
This report explores analytical and design methods for the seismic design of retaining walls, buried structures, slopes, and embankments. The Final Report is organized into two volumes. NCHRP Report 611 is Volume 1 of this study. Volume 2, which is only available online, presents the proposed specifications, commentaries, and example problems for the retaining walls, slopes and embankments, and buried structures.
Author: Canadian Society for Civil Engineering. Conference
Publisher:
ISBN:
Category : Civil engineering
Languages : en
Pages : 764
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Book Description
