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Author: Robert J. Frosch
Publisher:
ISBN: 9781622602445
Category : Transportation
Languages : en
Pages :
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Book Description
Integral abutment bridges have been used in the United States for decades. By eliminating expensive expansion joints, the piles supporting the end bent accommodate the total thermal movement of the bridge. Currently, integral bridges are designed based upon experience, and a rational design specification has not been developed. Furthermore, the interaction of the abutment, pile, and soil remains uncertain. A better understanding regarding the behavior of this system is needed. The objective of this research is to evaluate the behavior of the integral abutment-pile system and evaluate any limitations of its use. To achieve this objective, two phases of research were conducted. The first phase was a field study that investigated the in-service pile behavior of four integral abutment bridges. The second phase was an experimental study that was used to evaluate the capability of piles typically used in integral abutment bridges. Nine low-cycle, large amplitude lateral displacement pile tests were conducted. Throughout both phases, analytical investigations were also conducted. To develop simplified modeling techniques that sufficiently account for soil-pile interaction, the piles supporting abutments were analytically modeled and calibrated based on the field and experimental results. A parametric study was also performed with variables including pile type, pile orientation, axial load, pile length, and soil type. The results of these phases were evaluated and design recommendations were developed based on these results. Overall, the design recommendations provide for an extension in the length limits often used for integral bridges. The extension of these limits can result in a reduction in bridge construction and maintenance costs for a large number of structures that cannot currently be built using this structural system.
Author: Robert J. Frosch
Publisher:
ISBN: 9781622602445
Category : Transportation
Languages : en
Pages :
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Book Description
Integral abutment bridges have been used in the United States for decades. By eliminating expensive expansion joints, the piles supporting the end bent accommodate the total thermal movement of the bridge. Currently, integral bridges are designed based upon experience, and a rational design specification has not been developed. Furthermore, the interaction of the abutment, pile, and soil remains uncertain. A better understanding regarding the behavior of this system is needed. The objective of this research is to evaluate the behavior of the integral abutment-pile system and evaluate any limitations of its use. To achieve this objective, two phases of research were conducted. The first phase was a field study that investigated the in-service pile behavior of four integral abutment bridges. The second phase was an experimental study that was used to evaluate the capability of piles typically used in integral abutment bridges. Nine low-cycle, large amplitude lateral displacement pile tests were conducted. Throughout both phases, analytical investigations were also conducted. To develop simplified modeling techniques that sufficiently account for soil-pile interaction, the piles supporting abutments were analytically modeled and calibrated based on the field and experimental results. A parametric study was also performed with variables including pile type, pile orientation, axial load, pile length, and soil type. The results of these phases were evaluated and design recommendations were developed based on these results. Overall, the design recommendations provide for an extension in the length limits often used for integral bridges. The extension of these limits can result in a reduction in bridge construction and maintenance costs for a large number of structures that cannot currently be built using this structural system.
Author: Jason Matthew Franco
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: William Zuk
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 21
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Book Description
Presented is a summary of jointless bridge designs as twelve states; namely, California, Colorado, Idaho, Iowa, Kansas, Missouri, Nebraska, North Dakota, South Dakota, Tennessee, Virginia, and Wisconsin. Most of these states use some form of integral abutments for their steel or concrete structures. Bridges of lengths up to about 600 ft. (180 m) constructed with integral abutments have performed satisfactorily over a number of years. Projected are jointless bridges over 900 ft. (270 m) in length.
Author: William Zuk
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 24
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Book Description
Presented is a summary of jointless bridge designs as twelve states; namely, California, Colorado, Idaho, Iowa, Kansas, Missouri, Nebraska, North Dakota, South Dakota, Tennessee, Virginia, and Wisconsin. Most of these states use some form of integral abutments for their steel or concrete structures. Bridges of lengths up to about 600 ft. (180 m) constructed with integral abutments have performed satisfactorily over a number of years. Projected are jointless bridges over 900 ft. (270 m) in length.
Author: United States. Federal Highway Administration. Region 10
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages :
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Book Description
Author: B. Pritchard
Publisher: CRC Press
ISBN: 9780419190301
Category : Architecture
Languages : en
Pages : 314
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Book Description
This book contains the invited contributions to the 1993 Henderson Colloquium organised by the British Group of IABSE (International Association for Bridge and Structural Engineering). It provides an international review of new techniques of designing and constructing joint-free bridges - an approach which is rapidly being developed and used in many parts of the world.
Author: Hemanth Kumar Thippeswamy
Publisher:
ISBN:
Category : Concrete bridges
Languages : en
Pages : 726
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Book Description
Author: Indiana. Department of Transportation. Research Division
Publisher:
ISBN:
Category : Highway engineering
Languages : en
Pages : 170
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Book Description
Author: Martin P Burke Jr
Publisher: John Wiley & Sons
ISBN: 1444316370
Category : Technology & Engineering
Languages : en
Pages : 272
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Book Description
Worldwide, integral type bridges are being used in greater numbersin lieu of jointed bridges because of their structural simplicity,first-cost economy, and outstanding durability. In the UK and theUS states of Tennessee and Missouri, for example, the constructionof most moderate length bridges is based on the integral bridgeconcept. The state of Washington uses semi-integral bridges almostexclusively, while, depending on subfoundation characteristics, thestate of Ohio and others use a mix of these two bridge types. Integral and Semi-Integral Bridges has been written by apracticing bridge design engineer who has spent his entire careerinvolved in the origination, evaluation and design of such bridgesin the USA, where they have been in use since the late1930’s. This work shows how the analytical complexity due tothe elimination of movable joints can be minimized to negligiblelevels so that most moderate length bridges can be easily andquickly modified or replaced with either integral or semi-integralbridges. Bridge design, construction, and maintenance engineers; bridgedesign administrators; graduate level engineering students andstructural research professionals will all find this bookexceptionally informative for a wide range of highway bridgeapplications.
Author: HNTB Corporation, Genesis Structures Inc, Structural Engineering Associates, and Iowa State University
Publisher: Transportation Research Board
ISBN: 0309274109
Category :
Languages : en
Pages : 976
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Book Description
This report from the second Strategic Highway Research Program (SHRP 2), which is administered by the Transportation Research Board of the National Academies, documents the development of standardized approaches to designing and constructing complete bridge systems for rapid renewals.