Modular Composite Roll On/Roll Off Ship Ramp Structures

Award Information
Agency:
Department of Defense
Amount:
$547,946.00
Program:
SBIR
Contract:
N00014-05-C-0091
Solitcitation Year:
2003
Solicitation Number:
2003.1
Branch:
Navy
Award Year:
2005
Phase:
Phase II
Agency Tracking Number:
N031-1575
Solicitation Topic Code:
N03-100
Small Business Information
DDL OMNI ENGINEERING, LLC
8260 Greensboro Drive, Suite 600, McLean, VA, 22102
Hubzone Owned:
N
Woman Owned:
N
Socially and Economically Disadvantaged:
N
Duns:
627002504
Principal Investigator
 Charles Zanis
 Principal Investigator
 (703) 903-9777
 charles.zanis@ddlomni.com
Business Contact
 Nancy Doolin
Title: Director of Contracts
Phone: (703) 918-4335
Email: nancy.doolin@ddlomni.com
Research Institution
N/A
Abstract
In this Phase II proposal DDL OMNI Engineering proposes to demonstrate the feasibility of an innovative composite Roll-On/Roll-Off (RO/RO) ship ramp concept that enables in-stream transfer of cargo from logistic supply ships to RO/RO discharge facility (RRDF) platforms during sea state 5 conditions. The concept is based on the development of composite RO/RO ship ramp structures that incorporate unique design features enabling the structure to respond in an acceptable manner to dynamic conditions. These design features are: (1) a lightweight, high-strength and modular composite structure based upon application of "Cell Core" technology; (2) smart manufacturing processes to permit low-cost and reliable manufacture of composite structures; (3) integrated flexible structural joints using elastomeric bushings; and (4) an integrated semi-active motion mitigation system using magnetorheological fluid dampers. Work will include finite element analysis, demonstration of “Smart” manufacturing processes, design optimization, and testing of full-scale and scaled specimens. The concept offers a potential to manufacture affordable composite ramps with a 40-60 % weight reduction compared to conventional steel ramps. The modular fabrication approach provides tremendous flexibility during design and manufacture of composite ramp structures of various dimensions, weight requirements, and rated load capacities. Private-sector applications include commercial shipping, high-speed ferries, and automobile carriers.

* information listed above is at the time of submission.

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