Field tests of a continuous twin girder steel bridge

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The Center, Available through the National Technical Information Service , Austin, Tex, Sprinfield, Va
Bridges, Plate-girder -- Testing, Bridges, Iron and steel -- Testing, Girders, Continuous -- Te
Statementby J.A. Yura, K.H. Frank, A.K. Gupta ; conducted for Texas State Department of Highways and Public Transportation in cooperation with the U.S. Department of Transportation, Federal Highway Administration by the Center for Transportation Research, Bureau of Engineering Research, The University of Texas at Austin.
SeriesResearch report / Center for Transportation Research, Bureau of Engineering Research, The University of Texas at Austin ;, no. 247-2, Research report (University of Texas at Austin. Center for Transportation Research) ;, no. 247-2.
ContributionsFrank, Karl H., Gupta, A. K. 1953-, Texas. State Dept. of Highways and Public Transportation., United States. Federal Highway Administration., University of Texas at Austin. Center for Transportation Research.
LC ClassificationsTG416 .Y87 1981
The Physical Object
Paginationx, 115 p. :
ID Numbers
Open LibraryOL3143822M
LC Control Number82621371

FIELD TESTS OF A CONTINUOUS TWIN GIRDER STEEL BRIDGE by J. Yura K. Frank A. Gupta Research Report Number Evaluation of the Fatigue Life of Structural Steel Bridge Details Research Project conduc ted for Texas State Department of Highways and Public Transportation in cooperation with the.

The procedures were developed from a comprehensive field test of a steel girder bridge. The load test was intended to (i) develop the testing system and standardize field testing procedures ; and (ii) determine a safe capacity for the tested bridge. The bridge is a three-span continuous, four-girder structure with favorable characteristics for Cited by: 8.

A rare opportunity recently arose during construction of Ramp A5 on the Cleveland Innerbelt Bridge Project in Cleveland, OH, in which the modeling assumptions incorporated in the 2D model used to design the structure were validated through a field load test.

The bridge consists of four continuous spans of composite, curved, steel plate : Lawrence Rolwes. Parametric Study on Behaviour Twin-I girder Bridge Systems with Cross-beams *Haiying Ma1) and Xuefei Shi2).

1),2)Department of Bridge Engineering,Tonji University, Shanghai, China 1) [email protected] ABSTRACT. Application of twin I-girder bridge structure with. field tests of a steel-composite box girder bridge Fieldtests were performed to assess the behavior of a steel box-girder bridge with a composite-concrete roadway deck slab.

The structure was instrumented at a mid-span cross section and at a section near the support of 1 of the simple approach spans to permit studies of bending and shear strain.

The Tokyo Bay Aqua-Line Bridge (Fujino and Yoshida, ; Fujino et al., ) is a span continuous steel box-girder bridge, and its longest span is m. Vortex-induced vibration was observed in a full-bridge-model wind tunnel test, but the decision to install tuned mass dampers (TMDs), which increase damping and decrease or suppress.

The three steel girders are simply supported, whereas the concrete slab is continuous over the interior supports. The bridge has been analyzed using the standard AASHTO Specifications and the analytical predictions have been compared with the field monitoring results.

bridge seen in Figure 1, was out of commission for almost a year before demolition and was replaced by a much longer bridge (foremost bridge in Figure 1). Figure 1. Northbound Ramps to Westbound The test bridge, designated as Ramp A-6, was a curved, continuous three span, welded plate girder bridge.

The original Highway Structures Design Handbook was produced by US Steel in the project was subsequently taken over by AISC. Now, with federal grant money, FHWA, NSBA and HDR Engineering (principal engineer) have completed updating the ent engineers in the field wrote all 19 volumes and six design examples; these have been reviewed by a committee organized.

Life of Structural Steel Bridge Details" Abstract The fatigue performance of a twin girder steel bridge in Dallas was investigated in this project. The fatigue life of the bridge was estimated using the results of field tests to determine the bridge's resp~nse to traffic loads and.

Steel plate girder span configurations Section of Preferred Practices Two-span continuous girder units are not efficient because of high negative moments.

Three–and four–span continuous girder units are preferable. For three–and four–span continuous girder units make interior spans about.

Huang et al. () carried out field tests and theoretical analyses using FEA for two-span continuous slab-on-steel girder composite bridges with a skew angle of 60°.

Ashebo et al.

Details Field tests of a continuous twin girder steel bridge EPUB

( In steel girder bridges, fracture of one girder may occur without noticeable bridge profile changes. It is critical to ensure that the bridge will have adequate capacity to prevent collapse until the next cycle of inspection discovers the damage.

It is realized that once one of the bridge girders is fractured, vertical loads need to be distributed through an alternative path to the intact.

Summer Newsletter: Skewed Bridge Presentation ERECTION: Girders initially held to approximate no-load profile Shop-welded/bolted CFs will normally force the required twist condition Crossframe-braced girders released to steel DL state Note: if knock-down (field-assembled) CF, must support member.

before. it can withstand gravity. This paper firstly presents the field tests of a straight and a curved composite continuous box girder bridges. Elaborate FE model and beam FE model are then built on the basis of achievements of the companion paper.

Conclusions drawn in these papers are helpful for design analysis of steel-concrete composite box-girder bridge. Effective Bracing of Steel Bridge Girders Outline •Stability Bracing of I‐shaped Girders and Systems (Torsional Bracing) •System Buckling Mode of Narrow Girder Systems •Ongoing Steel Girder Research 2 The presentation material is focused on bridge systems; The static test.

Steel plates used in the fabrication of bearings shall meet Mn/DOT Spec.or Bearings made from castings shall satisfy ASTM A, GR. Paint Systems Use of weathering steel in Minnesota bridges has proven effective against continuous corrosion and section loss. Therefore, painting of weathering.

This chapter presents design solutions for a continuous three span bridge deck. A twin‐girder deck is adopted for solutions: a prestressed concrete and a steel‐concrete composite deck.

Bridge decks regularly overhang past the exterior girder to increase the overall width of the bridge and limit the number of longitudinal. Monitoring, Safety, Risk and Resilience of Bridges and Bridge Networks book. Edited By Tulio Nogueira Bittencourt, Dan M.

Frangopol, Andre Beck. Edition 1st Edition. First Published This document consists of a comprehensive steel girder bridge design example, with instructional commentary based on the AASHTO LRFD Bridge Design Specifications (Second Edition,including interims for through ).

The design example and commentary are intended to serve as a guide to aid bridge design engineers with the implementation. three-span continuous straight steel I-girder bridge with spans of ′-0″ – ′-0″ – ′-0″. Specifically, the example illustrates the design of selected critical sections from an exterior girder at the strength, service and fatigue limit states.

Constructibility checks, stiffener and shear connector designs are.

Description Field tests of a continuous twin girder steel bridge EPUB

Structural Act ion of Steel Girder Structures. Box girder, rolled girder and plate girder bridges are primarily flexural structures which carry their loads by bending between the supports.

The degree of continuity of the steel girders over their intermediate supports determines the structural action within the steel bridge. The main. The research project included an experimental investigation on a small-scale steel twin box-girder bridge, field testing of a full-scale twin box-girder, analysis of existing research and design data, and an extensive amount of numerical analyses carried out on calibrated 3-D nonlinear finite element models.

Steel Bridge Design Handbook Design Example 5: Three-Span December Continuous Horizontally Curved Composite Steel Tub-Girder Bridge 6.

Performing Organization Code 7. Author(s) 8. Performing Organization Report No. Brandon Chavel, Ph.D., P.E. and Julie Rivera, P.E. Performing Organization Name and Address Work Unit No. HDR, Inc. girder profiles).

Steel Dead Load Fit (SDLF) Erected Fit The cross-frames are detailed to fit to the girders in their ideally plumb as-deflected positions under the bridge steel dead load at the completion of the erection.

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The fabricator (detailer) sets the drops using the girder vertical elevations at steel dead load, calculated as the. Multi-girder systems, girder-substringer systems, twin I-girders, U-girders for composite box girders, girders with orthotropic deck, and steel trusses are thoroughly discussed.

The chapters on lateral flexure-torsion buckling and local instability have been deepened and include recent information from finite-element analysis.

Nonlinear Seismic Response Analysis of Steel Cable-stayed Bridge with Seven-span Continuous Stiffening Girder; Shigeharu MATSUMOTO Study on Load Carrying Capacity of Twin I-girder Bridge under Launching Construction; Miku WATANABE Study on.

The study, called the Steel Bridge Testing Program, was authorized under the Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users. Steel bridges account for approximately one-third of the more thanbridges in the United States. REDUNDANCY OF TWIN STEEL BOX GIRDER BRIDGES C.

Tony Hunley, PE, SE and Issam E. Harik, PhD Introduction A recent advancement in the field of bridge engineering is the increased use of steel box girder superstructures. Construction and re-construction of urban highway interchanges throughout the country have. nopane & Kelton () in tests from recovered bridge iron.

Figure 2. Tests of wrought iron (Ho lley ) based on Gor-don While a lower bound for strength is easily dter- e mined, there is a widely scattered range of ductility as repre-sented by reduction of area.

The Problem with Coupon Testing. New method of field welding steel box girder bridges. The transverse joints of box girders with steel deck plates are joined with the three connection methods of (1) bolted connection, (2) welding connection and (3) bolted and welding connection.The temperature differences in bridge structures have been one primary concern for bridge engineers and researchers.

In the traditional view, the temperature differences between steel truss members are treated as uniform because of the good heat transfer characteristic of steel material and the shading effect of deck coverage.Configuration of a multi-girder bridge. In multi-girder construction, a number of similarly sized longitudinal plate girders are arranged at uniform spacing across the width of the bridge, as shown in the typical cross section below.

The deck slab spans transversely between the longitudinal girders and cantilevers transversely outside the outer girders.