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Composite Applications in Highway Bridges
This report presents a summary of a four year research effort titled, 'Transfer of Composite Technology to Design and Construction of Bridges'. Extensive analytical...

Laboratory Fatigue Investigation of a GRP Bridge
A fatigue study of a 4.9 m glass-reinforced plastic bridge indicated a resistance to 1.6 million cycles of load without extensive damage to joints or elements. Viscoelastic creep occurred...

Concepts for Hybrid FRP Bridge Deck Systems
This paper presents selected structural concepts for modular bridge deck systems taking into account the limitations imposed by fabrication processes for polymer matrix composites. An...

Development of High Strength Composite Cables
Fiber reinforced composite materials offer significant advantages over conventional materials for such factors as corrosion resistance, lighter weight, and higher strengths. These advantages...

Environmental Degradation of Concrete Pore Structure
This paper illustrates how Conductometric Phase Transition Porosimetry can be used to monitor changes in the pore structure of Portland Cement Concrete which result from repeated freezing...

Size Effect in Concrete Structures and Influence of Loading Rate
The size effect law models the influence of the dimensions of the structure or specimen on the failure stress. This model can be used to quantify the brittleness of failure, and determine...

Uni- and Bi-Axial Compressive Fatigue of Fiber Concrete
Fatigue behavior of fiber reinforced concrete is studied under uniaxial and biaxial loadings. The S-N curves and the cyclic deformations of fiber concrete are compared to those of plain...

Major Development and Transportation Projects
Public/Private Partnerships
This proceedings for Major Development and Transportation Projects contains papers and discussion summaries from the specialty conference Major Development and Transportation Projects:...

World's Largest Caisson
The world's largest caisson (210,000 cy) forms the offshore cable anchorage for the 1,870 ft main span Tokyo Harbor Bridge. The bridge carries Metropolitan Expressway Route...

Facelift For an Interchange
The authors describe a $250 million reconstruction project on a three-level interchange linking I-84 and I-91 in Hartford, Conn., which is the largest rehabilitation project in the state's...

U.S. Landmarks: Handle With Care
Landmarks are treated with kid gloves during restoration, but striking a balance between costs and aesthetics is difficult. In addition to structural integrity, original construction methods...

Replacing Bridge Decks
U.S. bridges last an average of 68 years, their decks 35 years. But few bridges have been built with provisions for future deck repair, the only criterion being lowest first cost. During...

Bridges on Screen
Computer software can help engineers produce designs for more economical, constructable bridges in less time than conventional methods. Software is being put to work in bridge design departments...

Structural Details: Is Anything Missing?
While actual failure of a structure is uncommon, many projects have less publicized, detailing-related difficulties involving rework, changes, clarifications, and increased costs. If the...

The Invisible Engineer
For all their contributions to society, engineers have worked largely behind the scenes, seldom remembered in the dedication ceremonies of bridges and tunnels and skyscrapers. Several...

Ambient Vibration Tests of a Suspension Bridge
Originally published in: Journal of the Engineering Mechanics Division, ASCE, EM5, October 1978, pp. 983-999...

Wind Bracing
This chapter discusses the structural design of the bridge with regards to wind forces....

The Abutments and the Structural Defect
This chapter discusses the bridge's abutments....

New Piers for an Old Bridge
Placing new piers under an old superstructure has saved the architecture of the historic Ashley River Bridge in Charleston, S.C. In July 1987, an inspection indicated deterioration and...

Load-Permit Truck Operations in New York State
This paper presents the results of a survey of indivisible-load permit vehicle operations in New York State. The survey was conducted in the context of an investigation into the impacts...

 

 

 

 

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