Corps Guidelines for Dam Safety Inspection Need Revamping
A protest (1) that Proposed Guidelines for Safety Inspection of Dams, Federal Register, August 1974, pp. 31334-31346, ignores well-publicized conclusions of a preexisting ASCE task committee...
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...
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...
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...
Tough Pollution Laws Spur Use of Impermeable Liners
Consultants have increasingly been using flexible, synthetic linings for a variety of civil engineering applications. The U.S. Dept. of Agriculture has been using membranes to line irrigation...
Proposed Standards: Land Disposal of Effluents
There are many alternatives to costly advanced waste treatment (AWT) systems. The most attractive of these is land disposal of the sewage effluents from secondary treatment plants. Land...
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...
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,...
What's New in Water Treatment�
The Safe Drinking Water Act recently passed by Congress will have a definite impact on water treatment methods and especially on new standards and the monitoring thereof. Many have felt...
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)...
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