Modern Concrete Structures Survive Romanian Earthquake
On March 4, 1977, 35 buildings collapsed during a severe earthquake (7.2 on the Richter scale) in Bucharest, Romania. Thirty-two of the 35 were older structures, erected before World War...

Reliable Structural Weldments for Critical Service
Fracture control plans are considered in light of weldment rather than base material alone. Data are presented on the probability of base materials (i.e., plate) having adequate toughness...

Subway Structures Good, Other Elements Need Rehab
Capital spending priorities of New York City's Transit Authority have shifted, as it postponed indefinitely the construction of all but one new line�the line from 63rd St....

How New York City Can Be Restored to Economic Health
To be restored to economic and fiscal health, New York City will have to make some fundamental reforms. The overall strategy is to obtain slack resources, then to invest these resources...

Energy Facilities Going Underground
Environmental pressures, combined with continuing development of hard-rock excavation techniques, have turned attention to the placement of major engineering facilities underground. Primary...

Proceedings Volume I
Polyphase Flow Transients Pressure Recovery Devices Intake Structures Cooling Water Systems
The papers presented in these proceedings represent a variety of disciplines from many countries. This unique jointing of three major societies has created a collection of papers with...

Management of Engineering of Control Systems for Water Pipelines
This report should be considered as an aide to the practicing engineer as a check list of items to be considered in the management of the engineering of control systems for water pipelines...

Making Maps by Computer
For making maps, digitizer-computer-plotter systems are increasingly popular. Here are case histories of three applications�by Brooklyn (New York City) Union Gas. Co. for keeping track...

Filter Fabrics in Shore-Protection Structures: Save Money, Ease Installation
Over the past decade, plastic filter fabrics have seen growing use in shore-protection structures (e.g. revetments, breakwaters, jetties), river-bank protection schemes, and other areas...

Exxon's Offshore Platform Nearly Doubles Water-Depth Record
In 1976, Exxon erected near Santa Barbara (Los Angeles metropolitan area) the Hondo platform, in 850 ft of water. This is nearly twice the previous record depth established in the North...

Precast Veneer Replaced By All-Precast Structure
Utilizing engineering solutions to architectural problems greatly enhanced the architectural appearance of this building. Long-span prestressed, light weight concrete beams, post-tensioned...

King Post Truss System Cuts Roof Framing Cost by 30%
The design was based on requirements for minimally obstructed sight lines (Robin Hood Dell Open-Air Theater, Philadelphia, Pa.) for outdoor seating and a tight construction budget of $4,500,000....

Tocks Island Project�� Resolving a Classic in Dam Controversies
The study provided the information and perspectives required to decide whether the Tocks Island Lake project should proceed or be deauthorized. Major elements analyzed included eutrophication,...

Ecology and the Past
Archaeologists and paleontologists have gathered an overpowering amount of evidence to show that modern methods of construction, both in the field of highways and in that of architectural...

Fabric Roofs Feel the Pressure
Plastic-coated fabric roofs have been growing in popularity with uses ranging from covering a football stadium in Michigan to housing satellite-tracking stations. Article takes a look...

502-ft Diameter Laminated-Timber Dome Provides Fast, Low-Cost Cover for Arizona Stadium
Varex Dome, a 502-ft diameter engineering marveel of glue laminated timber, was built in record six months erection time. This dome shell structure forms both walls and roof for the new...

Rebar Splices: Cutting Costs, Avoiding Errors
Practical advice for cost-cutting in reinforced concrete construction suggests improvements in accepted design and specifications, procedures and specific items. Brief recommendations...

Computer Slashes Time and Cost of Structural Design
An existing computer program for designing floor framing was modified to simplify usage. A preprocessor program was written to reduce the amount and complexity of the input data. A description...

The Modernization of a Small Hydro Plant
The Cornell Hydro in Northern Wisconsin was torn down, rebuilt, re-equipped and put into profitable operation. After extensive structural modifications to the old plant, three new 10,000...

California's Food Industry: Wastewater Management Challenge
The demand for food products throughout the United States and the world has been partially responsible for the continuous growth of agriculture and food processing in California. This...

 

 

 

 

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