Design of Bridges for Ice Forces
Sources of knowledge on ice forces and ice effects on bridges are listed and discussed briefly. Comments are made on experience of damage by ice and on the influence on bridge costs of...
Record Concrete Box Girder Spans Houston Ship Channel
The Houston Ship Channel Bridge is an American advancement of the cast in place, post-tensioned, segmentally constructed, concrete box girder design. In spite of the complex and unique...
The Performance Evaluation
Effective performance evaluations set goals for professional advancement and also bridge individual and corporate values. The four specific stages of a performance evaluation consist of:...
Pier Stabilization Eliminates Need to Reconstruct Damaged Bridge
After an ice jam near a six-span bridge restricted normal water passage, the ensueing high velocity water caused underscouring of one of the piers, leaving it ineffective as a bridge support....
Heavy Timber Structures and Bridges
Development and application of treated glued-laminated timber is a landmark event in structural engineering history. The inertia of this event has produced continued, rapid and dramatic...
An Overview of Structural Panels and Structural Composite Products
Plywood has been the principal structural panel for construction since the late 1940s. Today, structural panels are evolving into products such as composite panels, oriented strand board,...
Structural Wood Research
State-of-the-Art and Research Needs
Timber is an abundant and renewable natural resource and its use exceeds all other construction material. Structural wood represents a challenge of vast dimensions and attention to various...
Remodeled 42nd St. Bus Terminal Improves both Transit and the Neighborhood
A $160 million project to expand New York City's 42nd St. Bus Terminal was completed last year. The project is expected to improve commuter transit by increasing passenger...
Cofferdams Protecting New York Bridges from Ship Collisions
During the past few decades, there have been a number of cases where ships have rammed bridge piers, triggering the superstructure's collapse. The most tragic case was the...
Preventing Another Sunshine Skyway Bridge Disaster
America will not soon forget the tragic collapse of the Sunshine Skyway Bridge into Tampa Bay almost two years ago. That accident was a costly lesson in the crucial importance of protecting...
Steel Cable-Stayed Bridges: Can They Compete in the U.S.?
During the past decade, concrete bridge designs have been winning more bids for contracts than steel cable-stayed bridges. Reasons for this trend are examined. A brief evolution of bridge...
Bloomington Lake�Potomac River Water Resources Project
The recently completed $174 million Bloomington Lake project has improved flood control and water quality to the benefit of millions of people downstream. The headwaters of the Potomac...
Denny Creek: The Toughest Bridge Washington State Ever Built
The story of how highway planners and engineers in Washington State's Department of Transportation were stopped from building a highway and viaduct through a pristine wilderness...
Inspecting Town Bridges in Connecticut
A federally financed inventory and inspection program for town bridges was carried out in Connecticut. This article describes how the authors' firm inspected 343 bridges of...
Engineers Notebook: Checking Capacities of Eccentrically Loaded Columns on an Existing Bridge
This article focuses on the structural analysis of eccentrically loaded columns. A simple and novel graphical technique for determining the load-carrying capacity of the columns is presented....
Replacing Corroded Cables on a Cable-Stayed Bridge
The cable-stayed bridge across Venezuela's Lake Maracaibo is among the longest bridges of its type. But after years of service, corroded cables threatened to snap, which would...
Calendar: 1983 Brooklyn Bridge Centennial Calendar
Photos include: Spanning the River; The Caissons; The New York Caisson and Tower; Construction of the Towers; The Anchorages; Cable Making; The Cables Complete; Manhattan Tower; The New...
Historic Preservation of Engineering Works
The preservation of historic industrial and transportation engineering works is examined. Preservation is reviewed in the context of history, and preservation through recording is explored....
Design and Construction of World's Tallest Free-standing Fiberglass Stack
The design, fabrication and erection procedures are discussed for a 170-ft free-standing fiberglass reinforced plastic exhaust stack-scrubber system. Advantages and disadvantages in the...
Oregon Bridge Features Innovative Bell Piers, Floating Falsework
The I-205 bridge, scheduled for completion in 1983, will be a final link in a 40-mile highway east of Portland, Oregon. the substructure and superstructure design featured unusual technology....
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