Overdredging at Existing Gravity Structure
Pacific Elevators Ltd. decided to upgrade Berth No. 2 to handle ships up to 70,000 DWT. The difficulty was to maintain the support of the cribs after dredging of the berth to minus 45...

Underwater Compaction of Sand Fill During Placement
A system and related equipment have been developed, and tested on a recent dredged fill project, to compact sand, either clean or with limited silt, in lifts several feet in thickness...

Seismic Design of Earth Retaining Wharf Structures
Seismic design considerations pertinent to earth retaining wharf structures are reviewed. These considerations include: evaluation of the seismic environment and design earthquake ground...

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...

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...

Port Infrastructure Program in Mexico
In Mexico the policies, guidelines, goals and methodologies refering to transport, are the responsibility of the 'Secretaria de Comunicaciones y Transportes'...

Wave Height Distribution in the Coupled Harbor
Wave height in a harbor sheltered by a breakwater is studied by numerical simulation and experiment. The coupled harbor, attained by setting up double arm breakwaters, was adopted as the...

Dredged Spoil Storage Basin in the Coastal Waters Near Rotterdam
The maintenance dredging for the Rotterdam harbour area amounts to 23 million m**3 per year, 10 million m**3 of which is polluted to such an extent that a controlled storage is required....

Land Renewal with Topsoil from Clyde Port Dredgings
The paper examines the potential of using sediment dredged from the River Clyde estuary as a topsoil in land renewal. It presents results, to date (1986), of a study sponsored by the Scottish...

Dredged Material Disposal in the Lower Great Lakes
The Buffalo District Corps of Engineers is responsible for dredging the harbors in Lakes Erie and Ontario. Approximately 2,000,000 cubic yards (1,529,000 cubic meters) of material are...

Managing Two Projects as One
The Port of Tacoma completed a new two berth container terminal and intermodal yard for Sea-Land in May 1985, only 26 months after signing a binding agreement. The project, which also...

The Changing Configuration of Commercial Ports
The ports of the world are constantly changing. The present day concept of a ship or barge entering a harbor, being unloaded, reloaded and 'sailing' out is not...

Water Use Planning?Boston Harbor
Boston's urban waterfront is at a unique juncture in history. Although the waterfront's historic heavy industrial and transportation uses have all but collapsed,...

Reflections on Racine's Rebound
The existing harbor in Racine has approximately 110 acres of water surface bounded on the north and south side by one-half -mile long concrete breakwaters and on the west by the city....

Wharf Stands on Stone Columns
A wharf was constructed in New Orleans on very weak soils. To prevent lateral and vertical movement of the soil, normally the entire wharf and adjacent structure would be founded on steel...

Ice Forces on Port Structures Resulting from Moving Ships
Results are described of experiments carried out in Thunder Bay Harbour in March, 1984, to measure ice forces on a port structure. Ice forces were measured by installing five pressure...

Microcomputer Analysis of Harbor Wind Drift
A microcomputer with general-purpose spreadsheet software was used to analyze wind drift on the water surface of Quincy Bay in Boston Harbor. Wind drift is the movement of the surface...

PCB Contamination of a Mass. Harbor: Technical Challenges for a Remedial Solution
The highest priority uncontrolled site in Massachusetts, the New Bedford Harbor Superfund site, is contaminated with high concentrations of PCBs. The magnitude and nature of contamination,...

Monitoring Completed Coastal Projects
In the United States, construction of public works to develop water resources is the responsibility of the Army Corps of Engineers. These works include projects to improve ocean and coastal...

Los Angeles-Long Beach Harbor Complex 2020 Master Plan
The purpose of this plan is to identify and analyze alternatives for the Los Angeles-Long Beach Harbor Complex for dredging deepwater channels and developing new land area that will serve...

 

 

 

 

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