Innovative Design at Florida Bulkhead Reduces Material and Construction Costs
Remedial work to an existing bulkhead at a deep-water berth for Port Everglades, Florida, has been done with substantial savings through the application of innovative design concepts....
University of Idaho Barrel-Arch Roof Wins Outstanding Structural Engineering Award
The world's longest span wood structure now covers the football stadium at the Univ. of Idaho in Moscow, Idaho. The trussed arch consists of an upper and lower wood deck connected...
Polymer-Concrete Passes Toughest Test
Almost three years after a pour of polymer-concrete (PC), a full patch of a hole in New York City's Major Deegan Expressway shows no cracks and is adhering well to the original...
Impermeable Asphaltic Concrete Pond Liner
An impermeable dense hydraulic asphaltic concrete solar evaporation pond liner was developed by the Southern California Edison Co. for the Mohave Generating Station, Clark Co., Nevada....
Structural Failures and How to Prevent Them
Reducing failures of buildings and other structures requires compentent design; clear communication of that design to the contractor by means of engineering drawings, etc.; careful and...
Water Harvesting�� Modern Application of an Ancient Method
Water harvesting�The process of collecting natural precipitation from prepared watersheds for beneficial use was the topic of a 3-day symposium held in Phoenix, Arizona, in March 1974....
Plastic Tower Solves Radar Interference
A new nonmetallic tower section has been designed to eliminate major rador interference problems caused by a steel Radar Microwave Link tower. The replacement section is composed of a...
Experts Critique the Olympic Structures of Montreal
At a panel discussion held recently in Montreal, a number of prominent architects and engineers critiqued the Montreal Olympic structures. Unlike some previous press reports, the blame...
Dredging and Its Environmental Effects
Proceedings of the Specialty Conference on Dredging and its Environmental Effects, held in Mobile, Alabama, January 26-28, 1976. Sponsored by the Task Committee on Dredging and its Environmental...
Designing More Reliable Waste Treatment Plants
In the past, many municipal waste treatment plants have not operated reliably. A 1969 Federal Water Pollution Control Administration Study, for instance, showed that 25% of 1500 plants...
Pipeline Bridge Uses Timber Arches
An arch bridge is utilized for the purpose of providing a river crossing for a water supply pipe. Tidal influence, an unfavorable riverbed situation complicated by estuarial and other...
How Concerned Should Civil Engineers be with Fire Protection�
During the last five years, there has been increasing concern and interest in fire safety in buildings, especially tall buildings. This has resulted in new federal legislation, a new General...
New Method Dewaters Dredged Material, Cuts Lagooning Space
Disposal of the millions of cubic yards of dredged material produced each year in the maintenance of the nation's waterways is becoming a serious problem. Traditional methods...
Civil Engineering History Gives Valuable Lessons
Many students, and others, feel the study of engineering history is a frill. Not so, this article suggests. A study of the past can give an engineer better ideas on how to solve a new...
The Floating Cover: Best Way to Cover a Finished-Water Reservoir�
With the increased attention being given to drinking-water quality in recent years, many states have been pressuring towns and cities to cover their open, finished-water reservoirs. Years...
Engineering Education: Can It be More Practical�
U.S. engineering schools were derailed after World War II by some well-meaning educators who decided future engineers should be patterned after physicists and aero-space scientists. Post-war...
News in Bridge Decks
This is the second of two articles on short span bridges. The first, in the July issue, described cost-cutting ideas in design. This article focuses on bridge decks: expansion joints,...
Difficult Dam Problems - - Cofferdam Failure
Uniontown Locks and Dam on the Ohio River was under construction when the cofferdam failed ten days after being dewatered during a rising river period. The configuration of the failure...
Salt Damaged Bridge Decks: Cathodic Helps
Cathodic protection of bridge decks against spalling caused by deicing salts has been demonstrated effective in decks already damaged. Construction of new decks may use other means to...
Bailey's Crossroads: A/E Liability Test
In March 1973, a 24-story reinforced concrete building under construction at Bailey's Crossroads, Va., partially collapsed causing a total collapse of an adjoining parking...
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