00378782

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http://onlinepubs.trb.org...s/trr/1983/903/903-010.pdf

https://scholar.google.co...nson&publication_year=1983

A field study of the behavior of abutment piles for a bridge that has integral abutments, piers, concrete box girders, concrete deck, and six 75-ft spans is discussed. To compensate for anticipated thermal movements, two unique features were built into the bridge. Expansion joint material was placed between the back side of the abutment and the soil backfill, and compressible material was placed on the webs of the abutment piles to create low soil resistance to pile movement. Over a one-year period, monthly readings were taken of bridge length (by using steel tape), gap between soil backfill and back side of abutment, openings in the expansion joints on the concrete approach slabs, vertical elevation of abutments and piers, slope indicator readings on the four corner abutment piles, and temperatures of concrete deck and air. A formula involving air temperatures was developed to estimate the maximum change in bridge length due to thermal changes. The changes in bridge length agree with changes measured from steel tape and expansion joint openings. The study concluded that these changes did not result in equal abutment movements at each end of the bridge, and the maximum abutment movement resulted in stresses at the top of the piles sufficient to initiate a yield stress in the steel but not sufficient to form a plastic hinge. An analytic model was used to predict stresses in the abutment piles due to movements of the abutments. (Author)

Publication of this paper sponsored by Committee on Foundations of Bridges and Other Structures. Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved

01418812

pp 72-79

1983

Transportation Research Record

62nd Annual Meeting of the Transportation Research Board

0309035171

Print

Figures (16) ; References (4)

Backfilling; Box girders; Bridge abutments; Bridge piers; Concrete bridges; Expansion joints; Field studies; Length; Motion; Stresses; Support piles; Temperature

Change

Bridges and other structures; Design; Geotechnology; Highways; I24: Design of Bridges and Retaining Walls

TRIS, TRB

Nov 30 1983 12:00AM

• ABNORMAL ROTATIONS OF SKEWED AND CURVED BRIDGES
• CALTRANS PRESTRESSED CONCRETE PIPE CULVERT RESEARCH: DESIGN SUMMARY AND IMPLEMENTATION
• COMPUTER MODELING OF THE CROSS CANYON CULVERT
• Effect of Heavy Loads on Buried Corrugated Polyethylene Pipe
• EFFECTIVE COEFFICIENT OF FRICTION OF STEEL BRIDGE BEARINGS
• FIELD TESTING OF THE FREMONT BRIDGE
• FULL-DEPTH MODULAR PRECAST, PRESTRESSED BRIDGE DECKS
• LOAD FACTOR DESIGN APPLIED TO TRUSS MEMBERS IN DESIGN OF GREATER NEW ORLEANS BRIDGE NO. 2
• OBSERVATIONS OF HIGHWAY BRIDGE MOVEMENTS AND THEIR EFFECTS ON JOINTS AND BEARINGS
• PERFORMANCE OF FULL-SPAN PANEL-FORM BRIDGES UNDER REPETITIVE LOADING
• Seismic Design of Curved Box Girders
• SKEWED BRIDGES WITH INTEGRAL ABUTMENTS
• STUDY OF CRACKING OF COMPOSITE DECK BRIDGE ON I-75 OVER PEACE RIVER
• TEST TO FAILURE OF THE HANNACROIX CREEK BRIDGE
• TESTING AND DESIGN OF LONGITUDINAL REINFORCEMENT FOR CANTILEVERED BRIDGE PIERS