ACTIVE AND PENDING PROJECTS
This section covers current projects funded with FY 1993 (or earlier) funds, those continued with FY 1994 funds, and those that will be supported with FY 1995 funds. They constitute the current program. The majority of projects are for 1 year; multiyear projects are funded incrementally on an annual basis.
Project descriptions include the project number and title, the name of the principal investigator and organization (when determined), a brief statement of the project's objective, and the names of project chairs and technical advisers (when assigned).
TABLE 4 Active and Pending Projects
Number |
Project Title |
Page |
SR-1335 |
Interactive Nature of Cathodic Polarization and Fatigue . . . . . . . . . . . |
73 |
SR-1343 |
Optimized Weld Metal Properties for Ship Structures . . . . . . . . . . |
73 |
SR-1344 |
Assessment of Reliability of Existing Ship Structures (Phase 2) . . . . |
73 |
SR-1345 |
Probability-Based Design (Phase 3): Implementation of Design Guidelines for Ships . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
74 |
SR-1349 |
Evaluation of Ductile Fracture Models for the Prediction of Fracture Behavior of Ship Structure Details . . . . . . . . . . . . . . . . . . . . . . . . . |
74 |
SR-1354 |
Grounding Protection of Tankers . . . . . . . . . . . . . . . . . . . . . . . . . . |
74 |
SR-1355 |
Inspection of Marine Structures . . . . . . . . . . . . . . . . . . . . . . . . . . . |
75 |
SR-1356 |
Strength Assessment of Pitted Plate Panels . . . . . . . . . . . . . . . . . . |
75 |
SR-1357 |
Retention of Weld Metal Properties and Hydrogen Cracking . . . . . |
75 |
SR-1358 |
Optimized Design Parameters for Welded TMCP Steels . . . . . . . . |
76 |
SR-1359 |
U.S.–Russian Cooperative Research Effort . . . . . . . . . . . . . . . . . . |
76 |
SR-1360 |
Structural Maintenance Project . . . . . . . . . . . . . . . . . . . . . . . . . . . |
76 |
SR-1362 |
Probability Based Design (Phase 4), Synthesis of the Reliability Thrust Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
77 |
SR-1363 |
Symposium and Workshop on the Prevention of Fracture in Ship Structures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
77 |
SR-1364 |
Guidelines for Evaluation of Finite Element Models and Results . . |
78 |
SR-1365 |
Optimal Strategies for Inspection of Ships for Fatigue and/or Corrosion Damage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
78 |
SR-1366 |
Corrosion Control of Inner-Hull Spaces . . . . . . . . . . . . . . . . . . . . . |
78 |
SR-1367 |
Design Guide for Marine Applications of Composites . . . . . . . . . . |
79 |
SR-1368 |
Compensation for Openings in Structural Members . . . . . . . . . . . . |
79 |
SR-1369 |
Fleet of the Future Publication Review . . . . . . . . . . . . . . . . . . . . . |
80 |
SR-1370 |
Ship Structural Integrity Information System . . . . . . . . . . . . . . . . . |
80 |
SR-1372 |
Evaluation of Marine Structures Education in North America . . . . |
80 |
SR-1373 |
Hull-Response Monitoring System . . . . . . . . . . . . . . . . . . . . . . . . . |
81 |
SR-1374 |
A Guide To Damage Tolerance Analysis of Marine Structures . . . . |
81 |
SR-1375 |
Detection Probability Assessment of Visual Inspection of Ships . . . |
81 |
SR-1376 |
Methodology to Establish the Adequacy of Weld Repairs . . . . . . . . |
82 |
SR-1377 |
Commercial Ship Design and Fabrication for Corrosion Control . . . |
82 |
SR-1378 |
Strength and Stability Testing of Stiffened Plate Components . . . . . |
82 |
SR-1379 |
Weld Detail Fatigue Life Improvement . . . . . . . . . . . . . . . . . . . . . |
83 |
SR-1380 |
Post Yield Strength of Icebreaking Ship Structural Members . . . . . . |
83 |
SR-1335 Interactive Nature of Cathodic Polarization and Fatigue
Investigator Carl E. Jaske
Contractor Cortest Columbus Technologies Inc., Columbus, Ohio
Objective Investigate the effects of cathodic polarization on fatigue of steel in sea water and how cathodic polarization is influenced by notch severity, crack size, and material composition and microstructure (steel strength).
Project Chair William Hanzalek, American Bureau of Shipping, Houston, Texas
Technical Adviser William H. Hartt, Florida Atlantic University, Boca Raton
SR-1343 Optimized Weld Metal Properties for Ship Structures
Investigator Robert J. Dexter
Contractor Lehigh University, Bethlehem, Pennsylvania
Objective Develop guidelines to improve productivity by optimizing weld-metal properties for use with high-strength steels.
Project Chair J. Allen Manuel, Naval Sea Systems Command, Arlington, Virginia
Technical Adviser James M. Sawhill, Jr., Newport News Shipbuilding, Newport News, Virginia
SR-1344 Assessment of Reliability of Existing Ship Structures (Phase 2)
Investigator Alaa Mansour
Contractor Mansour Engineering, Inc., Berkeley, California
Objective Estimate reliability levels associated with important failure modes of existing ship structures.
Project Chair Robert A. Sielski, Marine Board, Washington, D.C.
Technical Advisers Keith Hjelmstad, University of Illinois, Urbana; Solomon C.S. Yim, Oregon State University, Corvallis
SR-1345 Probability-Based Design (Phase 3): Implementation of Design Guidelines for Ships
Investigator Alaa Mansour
Contractor Mansour Engineering, Inc., Berkeley, California
Objective Develop a prototype probability-based design or safety-checking criteria for ships.
Project Chair William M. Richardson, Carderock Division, Naval Surface Warfare Center, Carderock, Maryland
Technical Adviser Achintya Haldar, University of Arizona, Tucson
SR-1349 Evaluation of Ductile Fracture Models for the Prediction of Fracture Behavior of Ship Structure Details
Investigator Robert J. Dexter
Contractor Lehigh University, Bethlehem, Pennsylvania
Objective Establish the effectiveness of ductile fracture-mechanics models for predicting the fracture behavior of component ship-structure details.
Project Chair Walter G. Reuter, Idaho National Engineering Laboratory, Idaho Falls
Technical Adviser John Landes, University of Tennessee, Knoxville
SR-1354 Grounding Protection for Tankers
Investigator Tomas Wierzbicki
Contractor Massachusetts Institute of Technology, Cambridge
Objective Evaluate analytical methods to calculate the energy-absorption capability of double-hull tanker structures during grounding.
Project Chair H. Paul Cojeen, U.S. Coast Guard, Washington, D.C.
Technical Adviser none assigned
SR-1355 Inspection of Marine Structures
Investigator Laura Demsetz
Contractor University of California, Berkeley
Objective Survey current practices for inspection of marine structures to estimate costs associated with various inspection methods and to quantify, for various methods and types of structures, the sensitivity of inspection methods and accuracy of measured levels of corrosion and fatigue damage.
Project Chair Linwood Pendexter, American Bureau of Shipping, Houston, Texas
Technical Adviser Rong T. Huang, Chevron Shipping Company, San Francisco, California
SR-1356 Strength Assessment of Pitted Plate Panels
Investigator John C. Daidola
Contractor M. Rosenblatt and Son, New York, New York
Objective Develop a simple procedure to assess the strength and integrity of pitted and grooved shell plate and other structural components of vessels in service. The procedure will evaluate corrosion damage by determining an effective thickness of pitted plate.
Project Chair Stephen E. Sharpe, U.S. Coast Guard, Washington, D.C.
Technical Adviser Maria Celia C. Ximenes, Chevron Shipping Company, San Francisco, California
SR-1357 Retention of Weld Metal Properties and Prediction of Hydrogen Cracking
Investigator Richard J. Wong, Michael G. Vassilaros
Contractor Annapolis Laboratory, Carderock Division, Naval Surface Weapons Center, Annapolis, Maryland
Objective Develop a method for ensuring that required weld-metal properties are produced over the complete range of welding conditions, processes, and consumables used during new construction and repair. Also, develop a reliable test for predictions of
weld-metal cracking to allow establishment of safe conditions to facilitate introduction of higher-strength and more-productive steels.
Project Chair J. Allen Manuel, Naval Sea Systems Command, Arlington, Virginia
Technical Adviser Santiago Ibarra, Amoco Corp., Naperville, Illinois
SR-1358 Optimized Design Parameters for Welded TMCP Steels
Investigator Lalit Malik
Contractor Fleet Technology, Kanata, Ontario, Canada
Objective Develop static, fatigue, and fracture strength requirements for high-strength TMCP steels and weldments.
Project Chair William Hanzalek, American Bureau of Shipping, Houston, Texas
Technical Adviser Harold S. Reemsnyder, Bethlehem Steel Corporation, Bethlehem, Pennsylvania
SR-1359 U.S.–Russian Cooperative Research Effort
Investigator Vladimir Ankudinov
Contractor Designers and Planners, Inc., Arlington, Virginia
Objective Contract to assess the depth of Russian technology in the area of ship structures by conducting a research effort parallel to selected existing or recent SSC projects. The primary project selected was Project SR-1352, “Extreme Waves and Wave Impact Forces.”
Project Chair Alexander Malakhoff, Arlington, Virginia
Technical Adviser none assigned
SR-1360 Structural Maintenance Project
Investigator Robert Bea
Contractor University of California, Berkeley
Objective Continue research on structural maintenance programs, specifically: “A Repair Management System,” “Fatigue Classification of Critical Structural Details,” and “A Fatigue Study of Proposed Critical Structural Details in Double-Hull Tankers.”
Project Chair H. Paul Cojeen, U.S. Coast Guard, Washington, D.C.
Technical Adviser none assigned
SR-1362 Probability-Based Design (Phase 4), Synthesis of the Reliability Thrust Area
Investigator not yet determined
Contractor not yet determined
Objective Provide a coherent synthesis of the projects in the reliability thrust area and related SSC projects, as well as the most recent developments that are likely to impact marine structural-reliability analysis and design. Provide a document that summarizes the state of the art in marine structural reliability. This document would be the fundamental reference for (1) development of a probability-based ship-structure design code, (2) definition of procedures for performing failure analysis, and (3) reliability analysis for existing ships.
Project Chair H. Paul Cojeen, U.S. Coast Guard, Washington, D.C.
Technical Adviser Maria Celia C. Ximenes, Chevron Shipping Co., San Francisco, California
SR-1363 Symposium and Workshop on the Prevention of Fracture in Ship Structures
Investigator John Landes, University of Tennessee, Knoxville, Tennessee
Contractor Committee on Marine Structures
Objective In order to rationally address causes and remedies for the rash of structural failures occurring in ships, provide the means for bringing together experts in the fields of fatigue, fracture, and reliability of marine structures and the researchers, designers, fabricators, and operators of these marine structures.
Project Chair Steve Allen, U.S. Coast Guard Research and Development Center, Groton, Connecticut
Technical Adviser none assigned
SR-1364 Guidelines for Evaluation of Finite Element Models and Results
Investigator Roger Basu
Contractor Mil Systems, Ottawa, Ontario, Canada
Objective Develop a methodology for efficiently qualifying finite-element–method codes and models for engineering analysis of ship structures. Provide guidelines for modeling in typical marine applications and for rapid assessment of validity of results. Increase the usefulness and confidence level of finite-element analyses in the design and evaluation of ship structures. Establish the feasibility of developing specific guidelines for the development and validity assessment of finite-element–method models and results.
Project Chair Stephen Gibson, National Defence Headquarters, Ottawa, Ontario, Canada
Technical Adviser none assigned
SR-1365 Optimal Strategies for Inspection of Ships for Fatigue and/or Corrosion Damage
Investigator not yet determined
Contractor not yet determined
Objective Develop an optimal strategy for inspection of ships in service. The focus will be on tankers. Reduce maintenance costs for ships, while maintaining or improving safety and reliability.
Project Chair Philip G. Rynn, American Bureau of Shipping, Houston, Texas
Technical Adviser not yet determined
SR-1366 Corrosion Control of Inner-Hull Spaces
Investigator Miles Kikuta
Contractor M. Rosenblatt and Son, Inc., Arlington, Virginia
Objective Investigate methods for controlling corrosion in the region between the inner and outer hulls in new double-hulled designs. These methods will help ensure the safety
and integrity of the vessels and mitigate corrosion in the inter-hull area of double-hulled vessels. Feasible methods will be ranked according to potential cost-effectiveness.
Project Chair Rickard Anderson, Military Sealift Command, Washington, D.C.
Technical Adviser Jack McIntyre, Florida Atlantic University, Boca Raton
SR-1367 Design Guide for Marine Applications of Composites
Investigator not yet determined
Contractor not yet determined
Objective Develop a guide for the safe and cost-effective design of composite components for ships and offshore structures. A design guide for the application of composites to marine structures would provide a valuable resource to ship and offshore platform designers and fabricators.
Project Chair William M. Hayden, U.S. Coast Guard, Washington, D.C.
Technical Adviser not yet determined
SR-1368 Compensation for Openings in Structural Members
Investigator not yet determined
Contractor not yet determined
Objective Establish rational methodologies and guidelines for the determination of appropriate compensation for small and large openings in primary structural members of ships. Two sets of guidelines are required, one suitable for preliminary and contract design and another for detailed design. The efficiency and reliability of structural reinforcements around openings in primary structures should be improved and their design and construction should be made less costly.
Project Chair Stephen G. Arntson, American Bureau of Shipping, Arlington, Virginia
Technical Adviser not yet determined
SR-1369 Fleet of the Future Publication Review
Investigator John W. Fisher
Contractor Lehigh University, Bethlehem, Pennsylvania
Objective Review the work published by the Center for Advanced Technology for Large Structural Systems of Lehigh University under the U.S. Navy-sponsored “Fleet-of-the-Future” program. Summarize the material in a single volume and publish it as an SSC report.
Project Chair William J. Siekierka, Naval Sea Systems Command, Arlington, Virginia
Technical Adviser none assigned
SR-1370 Ship Structural Integrity Information Systems
Investigator Robert Bea
Contractor University of California, Berkeley
Objective Develop a plan for an industry-wide database system intended to connect owners, operators, designers, shipbuilders, regulatory bodies, and classification societies with vessel design particulars, failure records, and repair information in order to better prevent future failures.
Project Chair Robert Holzman, U. S. Coast Guard, Washington, D.C.
Technical Adviser none assigned
SR-1372 Evaluation of Marine Structures Education in North America
Investigator not yet determined
Contractor not yet determined
Objective Provide the knowledge needed for the SSC to wisely and effectively take steps to improve the structural engineering departments in North American colleges and universities in support of ship structural design.
Project Chair Robert Holzman, U. S. Coast Guard, Washington, D.C.
Technical Adviser none assigned
SR-1373 Hull-Response Monitoring System
Investigator not yet determined
Contractor not yet determined
Objective Define a hull-response monitoring system capable of measuring, recording, and storing hull-girder stresses and their associated external loadings and of providing real-time information to the operators as critical stress values are approached or exceeded.
Project Chair Peter Timonin, Transport Canada, Ottawa, Ontario, Canada.
Technical Adviser none assigned
SR-1374 A Guide to Damage Tolerance Analysis of Marine Structures
Investigator not yet determined
Contractor not yet determined
Objective Develop an engineering guide for the analysis of the damage tolerance of marine structures that is suitable for (1) initial design, (2) fitness-for-purpose analysis during in-service inspection, and (3) life-extension analysis.
Project Chair Christopher Wiernicki, American Bureau of Shipping, Houston, Texas
Technical Adviser Harold Reemsnyder, Bethlehem Steel, Bethlehem, Pennsylvania
SR-1375 Detection Probability Assessment of Visual Inspection of Ships
Investigator not yet determined
Contractor not yet determined
Objective Develop a probabilistic model, based on inspection data, that will help eliminate uncertainties associated with the use of visual methods for the detection of fatigue cracks.
Project Chair Linwood Pendexter, American Bureau of Shipping, Houston, Texas
Technical Adviser Bilal Ayyub, University of Maryland, College Park
SR-1376 Methodology to Establish the Adequacy of Weld Repairs
Investigator not yet determined
Contractor not yet determined
Objective Experimentally evaluate the adequacy of weld repairs, so that a decision regarding whether to repair at all, to repair further, or to operate without such repairs can be made on a technical basis. This will both improve safety and reduce the costs of maintenance procedures.
Project Chair John Dorn, Naval Sea Systems Command, Arlington, Virginia
Technical Adviser Not yet determined
SR-1377 Commercial Ship Design and Fabrication for Corrosion Control
Investigator John C. Daidola
Contractor M. Rosenblatt and Son, Inc., New York, New York
Objective Identify corrosion-control methodologies that, when incorporated into ship design and fabrication, can improve life-cycle maintenance costs and enhance the safety and integrity of marine structures.
Project Chair Rickard Anderson, Military Sealift Command, Washington, D.C.
Technical Adviser John F. McIntyre, Florida Atlantic University
SR-1378 Strength and Stability Testing of Stiffened Plate Components
Investigator not yet determined
Contractor not yet determined
Objective Develop and use a general purpose experimental test frame to complement and verify several past and current SSC projects as well as Defence Research Establishment Atlantic and Transport Canada research work. The tests are to measure the strength and stability of single stiffened-plate components with doubly symmetric
boundary conditions to represent the behavior of a stiffened grillage structure under any combination of in-place or lateral loads.
Project Chair Neil Pegg, Defence Research Establishment Atlantic, Halifax, Nova Scotia, Canada
Technical Adviser not yet determined
SR-1379 Weld Detail Fatigue Life Improvement
Investigator not yet determined
Contractor not yet determined
Objective Review fatigue-life improvement techniques and procedures to provide design guidance relating to these techniques, including the feasibility of techniques and procedures.
Project Chair not yet determined
Technical Adviser James M. Sawhill, Jr., Newport News Shipbuilding, Newport News, Virginia
SR-1380 Post Yield Strength of Icebreaking Ship Structural Members
Investigator C. G. DesRochers
Contractor Martec Ltd.
Objective Conduct an exploratory investigation into the post-yield behavior of icebreaking vessels. The underlying objective is to determine whether or not the new Canadian Arctic Ship Pollution Prevention Regulations are adequate in regard to buckling prevention.
Project Chair Ian Bayly, Transport Canada, Ottawa, Ontario, Canada
Technical Adviser none assigned