Ocean Mining with Shoreline Protection

by Martin E. Iorns, Consulting Industrial Engineer, Sacramento, United States,

Document Type: Proceeding Paper

Part of: Coastal Zone '91


This paper describes an existing construction system that permits building large concrete structures directly on the water in low-cost floating formwork with unskilled local labor operating portable equipment. The system can produce fixed or floating tanks of any size to hold dredge spoils; and caissons of any diameter, wall thickness, or exterior contour to isolate an area of bottom for exploitation without disturbing the environment. Rows of caissons can form dikes or barrier islands, control erosion, concentrate wave energy for electrical generation and create harbors at very low cost. Gives actual expenditure on several floating structures previously built by this system as a guide for making cost projections.

Subject Headings: Ocean engineering | Shoreline protection | Concrete structures | Coastal protection structures | Offshore construction | Concrete construction | Construction equipment | Building systems

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