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...
Innovations in the Design of Electrical Transmission Structures
New concepts are being advanced for the design of electrical transmission structures. The papers in this book cover the following: weather-element loading conditions, structural options,...
Ports in Transition in the Developing World
Export led strategies have been proposed by the main financial institution as a way for these countries to emerge from the downturn. This policy relies heavily on foreign trade. Transportation,...
The Empty Berth: Problems in Developing Countries
The ports in developing countries have grown by leaps and bounds. Different causes (of market, technical, economic, financial or political) were the origin of that irregular growth, derived...
Berth 5-6 Pavement Performance: Port of Oaklan
In 1978 the Port of Oakland commenced a project to demolish the old Berth 5, 6 & 7 break bulk sheds, portions of the wharves, and the warehouses behind, and to construct container...
Gabon Mineral Port Master Plan?A Case History
The integrated design of infra-structure and superstructure of marine terminals for bulk cargoes presents opportunities for innovative solutions that can produce substantial economic benefits....
Port Master Plans and Feasibility Studies
Port projects are cost-intensive long-life irreversible assets, and developing countries particularly limping with resource constraints could not afford the luxury of short-sighted defective...
Gabon Mineral Port Planning
There has been increasing interest in the use of topping-off and top-loading vessel transport systems to ease the burden of expenditures for deepening harbors to fully load large vessels....
Port of Long Beach Supertanker Terminal
The supertanker marine terminal and crude-oil transfer facility at Berth 121 on Pier E in the Port of Long Beach, California is the largest tanker-handling berth on the West Coast. This...
Systematic Design of Marinas for Ice Condtions
A systematic approach and recommendations are presented for design engineers use in planning and building safe docks and marinas, and in reducing the expense of damages which ice causes....
Mobile Cranes on Barges?A Naval Architect's Perspective
The purpose of this paper is to present a procedure for analyzing the effect of heel on a barge/crane combination in order to determine its suitability for lifting a load of given size...
Dual Hoist Container Cranes for Virginia Port Authority
The dual hoist container crane has proven to be substantially more productive than conventional container cranes. Virginia Port Authority has purchased three new dual hoist cranes with...
Recent Trends and Advances in Bulk Cargo Unloading
The progress in loading of bulk cargo into ships has matched the advances in ships' size. The same could not be said for getting bulk material out of the hold of a ship, in...
Planning for Deep-Draft Navigation Channels
This paper summarizes the trends in seaboard trade, the major commodities for the world, and the share captured by U. S. ports. The discussion includes the new developments of port planning...
Additional Benefits from Channel Improvements
This paper describes techniques used to quantify three types of benefits resulting from enlarging the Houston Ship Channel. These benefit types are vessel casualty reduction, delay reduction...
Marginal Wharf and Embankments?Seismic Design
This paper presents some of the seismic considerations used for the improvements at Berths 225 to 229 at the Port of Los Angeles. The design of the improvements was complicated by the...
Tallying Water Resources Goals
Federal water resources planning philosophy has undergone a lengthy evolution with a number of refinements in the past decade to encompass environmental laws and the political philosophy...
CAD Mapping Trailblazer
Until three years ago, few civil/surveying firms had automated both surveying (including digital recording of angles and distances shot in the field) and the related design and drafting....
Use of SPT and CPT Tests for Evaluating the Liquefaction Resistance of Sands
A cone penetration test (CPT)-liquefaction resistance relationship has been established using the large body of standard penetration test (SPT) data. Factors for relating CPT tip resistance...
Laboratory and Field Evaluation of Cone Penetrometers
Cone penetrometers from 8 organizations have been studied by performing laboratory tests and field tests. The testing show that pore pressure and temperature zero shift affect significantly...
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