Special Session.- 3. Review of Ocean Space Utilization Projects.- SAGA Is A Long Range Autonomous Submarine.- An Analysis of Offshore Man-Made Islands.- Conception of Offshore Fishery Base.- Technical Session: Coastal Zone Utilization and Management.- 1. Coastal Zone Managemnt.- Urban Waterfront Revitalization.- Ocean Utilization and Economic Conflicts in the Coastal Zone.- A Direction and Policy for Coastal Zone Management in Japan.- Citizen Participation in Environmental Policy Making in the Coastal Area: Some Lessons from a Cross-National Study.- The Coastal Zone Atlas as a Potential Tool for Citizen Participation in Japanese Coastal Area Planning.- 2. Coastal Zone Planning.- An Activities Allocation Model Considering Interactive Effects for Coastal Zone Planning.- Marine Recreation: An Advancing Technology for Future Ocean Space Technology.- A Study on the Effect of the Location of the Sea City as a Solution to Urban Problems.- A Theoretical Study of the Ocean Space Utilization Planning for the Urban Coastal Water.- Waterfront Environment Planning for Urban Coastal Area.- 3. Development Project and Planning.- The Port Island Development in Kobe City as an Urban Complex Artificial Island.- Prerequisites for Ports and Harbors in the 21st Century: Case Study of Beppu Port.- Research on the Development of Deep Water Port of Taiwan District.- New Concept of Offshore Fishery Base for Effective Utilization of 200 Miles EEZ: A Method of Select the Position of Japanese Ocean Space.- A Case Study on a Project by a Fisheries Cooperative.- A Fundamental Consideration for the Fishery Environmental Impact Evaluation Using the Matrix Network Method.- 4. Coastal Process.- Changes in Littoral Processes due to Construction of Nearshore Structures.- Long-Term Prediction Model of Phosphorus in Bed Material.- Environmental Assessment of Waste Water Disposal from Sewage Treatment Plant: A Case Study.- Enhancement of Oceanic Productivity through Application of Municipal Sewage.- A New Model for a Prediction of Beach Deformation around a River Mouth.- Optimization of a Shore Protection Scheme for the West Coast of India.- 5. Environmental and Safety Management.- A Global Comparison of Contamination in Populated Estuaries and Coastal Waters.- Prevention of Escaping Oil from Mechanical Barriers in the Presence of Water Currents.- Interaction between Fresh Water and Sediment in Hachinohe Harbor.- Sensitivity of the Kuwait Coastal Environment to Potential Oil Spill Impact.- Some Problems of Environmental Investigation and Assessment.- The Utilization of Ocean Space for Waste Disposal: Changing Perspectives.- Marine Biotechnology and Pollution Control.- Ocean Dumping of Industrial Wastes.- 6. National and Regional Planning.- Planning for the Comprehensive Management of Ocean Space.- Coal Transhipment Centers: An Economic Development Potential for the Emerging Micronesian Governments in the Pacific.- Coastal Development and Governmkent’s Policies in Singapore.- Research on the Development of Wai-Shan-Ding Barrier, SW Coast of Taiwan, R.O.C..- The Ise Bay Management and Development Plan for the 21st Century.- East River Development Project.- Roles of Fishing Ports and Communities in Use and Control of the Sea.- Techniical Session: Materials and Construction.- 1. Design of Concrete.- Flexural Behavior of Ferrocement with Carbon Fiber Reinforced Cement as a Matrix.- Water Leak Tests of Ferrocement in Tension.- Polymer Concrete Composites for Concrete Ocean Structures.- Research on Resistance of Concrete to Seawater.- Specific Behavior of Structural Concrete in the Seas Pore Pressure Effects.- 2. Durability of Concrete.- Durability of Lightweight Concrete for Arctic Concrete Structures.- Static and Cyclic Behavior of Structural Lightweight Concrete at Cryogenic Temperatures.- Some Aspects of the Classificaitons of Pollution by Sea Water Water Aerosol for Reinforced Concrete Buildings.- Durability of Reinforced Concrete Structures in Marine Environment.- Life Time Test of Prestressed Concretes Various Measures of Protection against Corrosion in Splash Zones.- Developments of Protection Technologies for Concrete Structures in Marine Environment.- 3. Construction.- The Strength of the Drill Pipe for the Offshore Drilling.- Falling Behavior of a Pipe in the Sea.- Free Falling Installation Test of Artificial Steel Reef.- 4. Corrosion and Protection.- Corrosion Surveys of Steel Structures under Marine Environment.- Electrochemical Measurements of Corrosion and Biofouling Films on Simulated OTEC Heat Exchangers.- Atmospheric Exposed Test vs. Simulated Acceleration Test on Painted Test Piece.- Development and Progress of Anti-Corrosive Coating in the the Marine Atmosphere.- Exposure Tests of Corrosion-Protected Steel Pipe Piles in Marine Environment.- New Corrosion Control System for Steel Pipe Piles of the Oversea Bridge Footings.- A New Evaluation Method of Anti-Corrosive Properties of Heavy Duty Coating Systems for Offshore Structure Using Thermal Shock Technique.- Study of Corrosion-Protection Technologies in Splash and Tidal Zones: Establishment of Corrosion-Protection Technologies to Provide Long-Term Durability at Low Cost for Offshore Steel Structures by Use of Methods for Wrapping of Highly Corrosion-Resistant Metallic Materials.- Experiments on Repair of Corrosion Protective Coverings Applied to the Splash and Tidal Zones of Steel Pipe Piles.- Studies on the Paint System Applied to the Marine Steel Structure Simultaneously with Cathodic Protection.- Study on Cathodic Protection in Various Seawater Environments.- New Design Code for Cathodic Protection System of Maritime Steel Structures.- 5. New Concept.- Tremie Process Non-Contacting with Water.- A Concept of Large-Scale Artificial Ridges Using a New Hardened Product Made from Coal Ash.- Effective Uses of Pressed, Packed and Sealed Waste Blocks for Rubbles of Man-Made Fishing Strands in Shallow Seas.- 6. Ocean Structures.- Large Column-Supported Floating Platforms.- Design and Experiments of a Concrete Barge for LNG Storage.- Flexibility of TSG Platform to Project Requirements.- Study on the Fatigue Strength of Pressure Vessel Subjected to Internal Fluctuating Pressure: In the Case of 3% Saltwater as Pressure Medium.- Fatigue Strength of Tubular Joints.- Constructibility Engineering for Large Offshore Structure.- Concrete Platforms in the North Sea and Some Related Research on Fatigue.- Author Index.