Fiber Reinforced Concrete
In the past 10 years or so, concrete reinforced with fibers one or two inches long has begun to be used, first on a demonstration and experimental basis, then in major everyday applications....

Shanghai Tunnel Projects Spur Construction Innovations
Since underground construction in soft ground is newly developed in Shanghai, there is little experience there as compared to what is known for specific sites in other countires. Well...

Protecting Post-Tensioning Tendons in Concrete Structures
Patterns of corrosion problems related to tendon systems are analyzed based on the author's experience in evaluating over 50 corrosion related performance problems in prestressed...

Compression Rings Support Deep Cut
The plans for building the Cuyahoga Valley Interceptor Lift Station in Cleveland, Ohio, called for 126 ft. (38.4 m) by 105 ft. (32 m) construction, some 80 ft. (24.4 m) below grade. Bracing...

Improving the Civil Engineering Profession: Essay Contest Winners
In the October, 1980 issue, Civil Engineering�ASCE announced an essay contest on the following questions: How can the civil engineering profession be improved? How can civil engineering...

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....

Sulfer Extended Asphalt
Since the 1973 oil embargo, the Federal Highway Administration has researched and promoted the experimental use of a new pavement binder, sulfur-extended asphalt (SEA). In SEA paving mixes,...

Eden's Expressway Reconstruction: Model for Future Highway Rehabs
In the future, increasing miles of our interstate highways will have to be refurbished. Highway engineers may find some useful insights from the way the Illinois Division of Highways recently...

Luxury Hotel Features New York's First 8,000-psi Concrete
Designers of New York's $100-million Helmsley Palace Hotel realized significant economies by the use of high-strength concrete to replace structural steel and reduce column...

Rehab or Replace? Foundation Testing Provides the Answer
A $15 million, multidisciplinary testing program was undertaken to determine the least expensive methods of rehabilitating Locks and Dam No. 26 on the Mississippi River. The Problems were...

Structural Plastics for the 80s
Engineers in non-civil fields have been using more and more light-weight, high-strength structural plastics and plastic composites every year, but civil engineers have barely begun to...

Construction Research Needs
An ASCE-National Science Foundation Research-needs study examined, among other issues needs in Construction Engineering and Management. The resulting study identifies and prioritizes a...

Swiss Bridge Design Spans Time and Distance
Having long played crucial roles in Switzerlands history, modern bridges there now lead technical innovation in design and construction. Two recently completed Swiss Bridges bridges of...

Dallas College Features Load-Bearing Brick Cavity Walls
A unique concept in masonry design and construction was developed for the Brookhaven College campus in Dallas, Texas. Centering on the use of prefabricated reinforced brick panels and...

Concrete-pavement Recycling could Slash Rehab Costs 30%
During the past few years, the recycling of highway pavements, especially asphalt pavements, has been in the news. Yet one promising development has drawn little attention: the recycling...

Drilled Piers and Caissons
Drilled piers, also called drilled caissons, drilled shafts, bored piles, and cast-in-situ piles, have recently undergone a period of growth in their use as foundation bearing elements,...

Construction of Power Generation Facilities
The impact of the present construction practice, codes, standards and regulations on the construction of power generation facilities is reviewed and examined in papers presented at the...

Dynamic Response of Pile Foundations
Analytical Aspects
Recent developments in the analytical solutions and relevant measurements regarding pile foundations are examined. Pile foundations for both onshore and offshore structures are covered,...

Pile Field Support Prefabricated Plants Floated into Place
A unique pile support system, combined with earth dikes and superflooding inside an earth drydock to found floating, prefabricated plant structures on the piles, is estimated to have saved...

West Virginia Cooling Tower Collapse Caused by Premature Form Removal
The collapse of a reinforced concrete cooling tower under construction at Willow Island, W.Va. in April 1978 resulted in 51 fatalities, making it the worst construction accident in American...

 

 

 

 

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