Evaluation of Selected Instruments for Monitoring Scour at Bridges in New York
Reliable methods to monitor scour at bridges are needed to ensure public safety and minimize the cost to repair or replace vulnerable bridges. The U.S. Geological Survey, in cooperation...
Design of Guide Banks for Bridge Abutment Protection
As an alternate to designing bridge abutments to withstand the development of the full scour prism predicted by equations currently available for estimating abutment scour, FHWA recommends...
Design of a Floodplain Road Crossing Using Two Dimensional Modeling
A two dimensional hydraulic model (FESWMS) is prepared to evaluate flood conditions for the Canal Parkway Project, located in western Maryland. The parkway includes a 32 meter bridge replacement...
Green Light
Construction of the $718 million Metro Green Line, the latest addition to the Los Angeles County Metropolitan Transportation Authority's rail plan, required flexible coordination...
Analysis and Computation
Proceedings papers presented at the ASCE Twelfth Analysis and Computation Conference comprise this volume. Conference sessions covered such topics as: 1) Emerging computing technology;...
Success or Failure: A Tale of Two Projects
Twenty city blocks and a ten year period separated two projects of similar purposes, but with completely different endings. The first one, the Delancey Street Project, took place in 1984...
19 Tough Acts to Follow
The nominations for this year's Outstanding Civil Engineering Achievement Award included everything from runway extensions to highway extensions, water fun parks to water...
Scour Power
New prediction methods consistently calculate scour around bridge piers allowing engineers to better tailor pier design in rock and consolidated material. The leading cause of bridge failure...
Building a Landfill on Mud(Available only in Geo/Environmental Special Issue)
In the early 1980s, officials at the Delaware Solid Waste Authority (DSWA) thought they had found the ideal site for a new municipal landfill: low acquisition cost, direct access from...
Evaluation Findings
the Segmental Concrete Channel Bridge System
Prepared by the Highway Innovative Technology Evaluation Center, a CERF Service Center. This report presents the findings of a HITEC evaluation of...
An Irresistible Offer
An unusual case of public-private financing of part of a Florida beltway is described, in which developers along an unfinished section of the road paid for preliminary design that provided...
Rebound of the Bascule Bridge
A patented bascule bridge in Sheboygan, Wis. demonstrates design innovations that reduce the cost of bascule construction and minimize maintenance problems. The new $7.5 million South...
Tappan Zee Set for Inverset (Available only in
Replacing the deck on New York's Tappan Zee Bridge is a ticklish problem, considering that all of the work has to be done at night. A combination of isotropically reinforced...
Honolulu's Street Relief
Engineers faced the daunting prospect of burying a new relief sewer under a busy Honolulu highway with trench-cut methods. The contractor suggested microtunneling, but the coral reef formations...
Balancing on the Tides
Using a system of pivoting, barge-mounted towers, a Virginia contractor floated bridge segments into position 120 ft above the York River, reducing costs and cutting erection time by nearly...
A Landslide of Litigation
Recently in Dana Point, Calif. a hillside road-widening project turned into a mountain of litigation when crews unknowingly cut open the slope toe downhill of residences. Design consultants...
Seeking Structural Solutions
A photo essay on the unique work of Santiago Calatrava, a Spanish-born engineer and architect whose bridges and buildings have attracted international attention for their unusual esthetics....
Singapore Showcase
A new bridge in Singapore has a unique pylon design and no piers. The deck hangs from the pylon supported by three back stays. The 100 m overpass bridge was designed for the Singapore...
Alluring Approach
A new bridge over the White River in Columbus, Ind., is a unique, architecturally appealing cable-stay, concrete-and-steel structure. The bridge satisfies municipal officials'...
The Elements of Academic Research
Students and graduate students who are beginning to do research often have many difficult questions and concerns. This book is designed to give a comprehensive, reader-friendly overview...
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