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Title:

Instrumentation and Long Term Monitoring of Three Integral Abutment Bridges in Vermont

Accession Number:

01473554

Record Type:

Component

Availability:

Transportation Research Board Business Office

500 Fifth Street, NW
Washington, DC 20001 United States

Abstract:

The Vermont Agency of Transportation has initiated a program of field instrumentation and analysis to evaluate the performance of three Integral Abutment Bridges. The research components are being conducted by the University of Massachusetts at Amherst. Three bridges are studied, a straight girder non-skewed bridge with 43.0 m (141.0 ft) span, a straight girder 15 degree skewed bridge with 37.0 m (121.4 ft) span, and a curved girder non-skewed two-span continuous structure with 11.25 degrees of curvature and 68.0 m (221.8 ft) total bridge length. The bridges instrumentation includes strain gages, pressure cells, crack meters, inclinometers, tilt meters and thermistors to monitor long term response to seasonal thermal load. This paper describes the bridge details and instrumentation at these sites and reports on the overall bridge movements and pile moments through the first year of data. The bridges with moderate skew of 15 degrees and curvature of 11.25 degrees exhibited longitudinal abutment deformations similar to what would be expected in a straight girder non-skewed structure. The transverse abutment displacements of these bridges were less than 4 mm (0.15 in.). However, pile restraint of transverse abutment displacements resulted in strong axis pile moments exceeding those about the weak axis. Therefore, for these bridges a two-dimensional analysis captures global deformations, but design would need to account for bi-axial bending in piles.

Supplemental Notes:

This paper was sponsored by TRB committee AFF40 Field Testing and Nondestructive Evaluation (NDE) of Transportation Structures.

Monograph Accession #:

01470560

Report/Paper Numbers:

13-2066

Language:

English

Corporate Authors:

Transportation Research Board

500 Fifth Street, NW
Washington, DC 20001 United States

Authors:

Civjan, Scott A
Kalayci, Emre
Brena, Sergio F
Allen, Chad A

Pagination:

14p

Publication Date:

2013

Conference:

Transportation Research Board 92nd Annual Meeting

Location: Washington DC, United States
Date: 2013-1-13 to 2013-1-17
Sponsors: Transportation Research Board

Media Type:

Digital/other

Features:

Figures; References; Tables

Geographic Terms:

Vermont

Subject Areas:

Bridges and other structures; Highways; Maintenance and Preservation; I24: Design of Bridges and Retaining Walls; I53: Construction of Bridges and Retaining Walls; I61: Equipment and Maintenance Methods

Source Data:

Transportation Research Board Annual Meeting 2013 Paper #13-2066

Files:

TRIS, TRB, ATRI

Created Date:

Feb 5 2013 12:28PM