Manpower Planning?Make a Moral Contract
One key to manpower planning is forecasting realistic and accurate manhour projections for work in-house or work in the proposal stage. A method used by the author to project manhours...
The Asbestos Impasse
Removing asbestos from the nation's buildings is a major task . Consulting engineers can play an important part in the process, locating and quantifying the carcinogenic material,...
Active Control of Distributed Parameters Structures by Pointwise Control Actions
Several methods have been offered to control a structure. These methods are the optimal control, the pole assignment, the independent modal space control, and the direct velocity feedback....
Blasting Densifies Sand
Constructing the Jebba Dam on Nigeria's Niger River required in-place densification of large volumes of loose sand to record depths of up to 131 ft. Vibrocompaction was used...
Roof Membranes: New Systems, New Problems
Market trends in roof membranes are described; most important is the use of single-ply membranes of rubber or plastic in the past decade. A swing to modified bitumen membranes is predicted...
Siltation of the Port of Astoria
Sedimentation rates suddenly increased in the Port of Astoria, Oregon, immediately following the May 18, 1980 ash eruption of Mt. St. Helens. This ash was transported down the Columbia...
Design Concepts for Floating Breakwaters
This paper describes a fundamental approach to the design of a floating breakwater based on the concepts of dynamic analysis of floating bodies. The process results in a relatively simple...
Waterfront Parks in the Boston Area
Two recently completed waterfront parks in Cambridge and East Boston, Massachusetts are discussed. The Bird Island Flats 'Harbor Walk' project is a 15-foot wide,...
Navigation Channel Design for Safe and Efficient Ship Transit
The U. S. Army Engineer Waterways Experiment Station (WES) recently conducted a hydraulic model investigation of the western portion of Cleveland Harbor, Ohio. This study provided data...
Channel Design Criteria and the Houston Ship Channel
Channel design literature is reviewed and compared with operational limits currently on the Houston Ship Channel (HSC). It was found that in all aspects of channel design considered (depth,...
Computer Pricing Practices
Civil engineers have become increasingly involved with the use of computers to help solve engineering problems. Many problems that previously could be solved only approximately, or that...
Highway Quality Level Program
This article describes three versions of BASIC programs for microcomputers, prepared for the Federal Highway Administration, to calculate a statistical measure of highway quality. Using...
Software Licensing and Legalities
Based on interviews with software vendors, users and attorneys specializing in software litigation, the article offers viewpoints and advice on software licensing and legalities. It covers...
Building with Software
Project management has become a more precise art now that computers are on the construction scene. Scotsman Mfg. Corp. computerized its manual CPM techniques for erecting modular structures,...
Field Permeability Test for Earthen Liners
A sealed double-ring infiltrometer (SDRI) was developed for in-situ measurements of the hydraulic conductivity of earthen liners and covers. The characteristic of the SDRI that distinguishes...
High Quality Sampling and In Situ Testing for Deep Water Geotechnical Site Investigation
This paper discusses methods that have been used to conduct geotechnical investigations in water depths up to 2500 feet. Investigations can be conducted from supply boats, geotechnical...
Ports '86
Ports '86 had the theme of Innovations in Port Engineering and Development with keynote speakers looking ahead to Port Development in the 1990's. The program...
Construction by Computer
Olympia & York, the developers of the 8 million sq ft World Financial Center in lower Manhattan are using a computerized scheduling system to keep the flow of materials into the...
Clay Liner Hydraulic Conductivity: Comparison of Field & Laboratory Tests
Clay liner hydraulic conductivities at three hazardous waste landfill cells in Oklahoma and Utah were measured in the laboratory and in the field during construction. Prior to construction...
Clay Liner/Leachate Compatibility Modeling
Over the past several years, the results of many laboratory studies assessing the effect of various combinations of organic and inorganic chemical mixtures on the hydraulic conductivity...
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