Improved Design of Highway Culvert
New culvert design procedures, incorporating improved inlet concepts, make significant construction savings possible through hydrauically efficient use of the culvert barrel. Two representative...
British New Towns and the Civil Engineer
Since World War II Britain has built or is building several dozen New Towns. The first, designed to absorb London's growth, pioneered with breakthroughs in housing layouts...
Environmentally Sensitive Construction Procedures
Construction procedures produce disruptive effects on human and natural environments. Adverse impacts can be minimized best by environmentally sensitive planning and responsive designs....
How the Soviets Build on Permafrost
A report is given on the Second International Conference on Permafrost, held in Siberia in the USSR, July, 1973. The conference covered: thermal aspect of permafrost evolution; regional...
Germany Constructs Steel Box Girder Landmark
The designer of a steel hollow box girder bridge in West Germany describes the design process and gives some construction details. Longest possible spans were sought because of environmental...
Canadian University to Launch Building-Engineering Program
To meet the practical needs of the building industry, Sir George Williams University (Montreal) plans to launch this fall a building-engineering program. The new curriculum is expected...
9000 psi Concrete�� Why? Why not�
High strength concrete is being used in many high-rise apartment and office buildings. In this case, high strength means 9000 psi (62.0 MPa). Quality control, aggregate availability and...
Helicopter-Erected Tower Crane Demolishes Buildings
A signigicant logistics and scheduling problem existed for the demolition of these old buildings and the erection of a new one in the middle of an existing plant. Careful construction...
Urban Freeways and Changing Social Values
One key reason for undertaking the $90 billion Interstate Highway System �even though the name may not so indicate? was traffic congestion in and near cities. The intercity segments of...
Interstate Squeezes through River Gorge
The Virgin River Gorge in northern Arizona, a designated wilderness area, now contains one of the most beautiful and spectacular segments of our Interstate Highway System. Interstate 15,...
Short Span Bridges
Short span bridges, seemingly simple and innocuous structures, in fact embody many interesting problems and developments: The need to replace hundreds of thousands of bridges (safety and...
Difficult Dam Problems�� Stilling Basin Redesign
A landslide of major proportions occurred during construction of Silver Jack Dam in western Colorado. This slide required relocation and redesign of the spillway conduit and basin. Hydraulic...
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,...
A Fail-Safe Subaqueous Concrete Sewer
Describes the design and installation of a unique, tri-gasketed 87-in. (2210 mm) diameter reinforced concrete sewer force main. The total system is approximately 14,000 ft (4,300 m) long,...
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...
The Sinking of the Amsterdam Metro
Subway construction was not practical in Amsterdam, The Netherlands, until this new placement technique. Most of the buildings in Amsterdam rest on old, untreated wooden piles that would...
Competitive Alternative to Minority Quotas/Goals
The City of Chicago and contractors working in the city have taken a big step toward solving the affirmative-action problem. Many of the plans through which the Federal government has...
Reinforced Earth: A New Alternative for Earth Retention Structures
Using a variety of projects as examples, the authors demonstrate the versatility of the patented Reinforced EarthTM...
Tunnel under Alps Uses New, Cost-Saving Lining Method
Contractors of the Tauerntunnel through the Alps, near Salzburg, Austria, encountered very bad geology�� heavily distorted, preloaded rock under an overburden up to 3,300 ft (1,000-m)...
An Engineer Rebuts a Contractor's Charges of Unfair Contracts
An engineer responds to the article, Are Construction Contracts Fair, (CE, May, 1975) by contractor George A. Fox and lawyer Max E. Greenberg. Engineers should not be given additional...
Return to search