Structural Engineering: Concrete Structures Research, Design, Use and Failure Investigations:

Technical Consultant #1268


Expertise

  • Professional Engineer in Texas.
  • Forensic study of concrete components and structures: Design, use, wear and concrete failure mechanisms.
  • Registered Engineer in Ghana
  • Construction materials expertise with primary focus on all types of concrete technology and concrete structures.
  • Concrete repair and restoration and associated research and development.
  • Oil well cementing materials and systems.
  • Expert witness for litigation involving architecturally structures, particularity those made from concrete.

Experience

  • Independent Consultant, Houston, Texas 1991 - 2000
  • Limestone Products (Ghana) Ltd., Takoradi, Ghana, 1994 - 1996
  • Southwestern Laboratories, Inc., Houston, Texas, 1989 - 1991
  • Law Engineering, Houston, Texas, 1986 - 1988
  • Dowell Schlumberger, Inc., Tulsa, Oklahoma, 1982 – 1986

Repair and Rehabilitation of Concrete Structures

  • Conducted condition surveys, non-destructive tests and laboratory tests after explosion in the kitchen of a hotel in Galveston, Texas. Recommended rehabilitation materials and methods based on test results.
  • The dome on the 90-year old Civil Court Building in Houston was to be repaired. Inspection of the structure, non-destructive tests and laboratory tests were performed and recommendations for repair work made.
  • Evaluation of concrete structural elements of Coker plants at refineries in Houston and New Orleans. Recommended materials for repairing the structures and wrote specifications to perform the work.

Material Evaluation

  • Evaluated limestone deposits in Ghana for Portland cement production.
  • Evaluation of concrete samples at a refinery in Argentina.
  • Evaluation concrete pedestals for structural integrity at the construction of power generation plant in Cuiaba, Brazil

Quality Control of Products

  • Ascertained quality of fly ash from two power plants in Arkansas and Texas.
  • Evaluated quality of clinker at a cement plant and recommended means to improve on quality of product.

Research and Development

  • Fly Ash, Tulsa, Oklahoma - Directed research on Class “C†fly ash for use in cementing oil wells under varying temperature and pressure conditions. Developed products based on research findings. Co-author of patent on product developed.
  • Developed a foamed inorganic binding materials for use as underground support and removal of hazardous ions in the underground waters of a superfund project. Co-author of patent on the product developed.
  • Formulated a 16,000 psi grout as a substitute for marble blocks used by client to evaluate drill bits at a manufacturing plant.

Forensic Work

  • Investigation of causes of cracks in concrete foundation.
  • Consulting service in litigation case involving pre-mature deterioration of asphalt concrete pavement.

Expert Witness

  • Provided expert testimony in court in the case of cracks in concrete foundation.
  • Laboratory evaluation of defective materials. Attorney: Bill Joseph
  • Provided expert testimony at a deposition in the case of cracked structural elements of a condominium.
  • Evaluated testimony and helped attorney prepare for deposition involving burns sustained by a worker as a result of contact with fresh concrete.

Environmental Assessment & Remediation

  • Site evaluation and removal of asbestos from a high rise office complex in Dallas, Texas (Mockingbird Towers).
  • Building survey for asbestos containing materials in a high rise office complex in Houston, Texas (Dresser Tower).
  • Analysis of lead-bearing deposit on a masonry wall near waste deposit site.

Honors & Publications

  • D.Sc. Awarded by Kwame Nkrumah University of Science and Technology, Kumasi, Ghana, 2005
  • Professional affiliations: American Institute for Chemists (Fellow); American Concrete Institute; American Society for Testing and Materials; American Academy of Forensic Sciences; Ghana Institution of Engineers (Fellow)
  • Studies of Low Porosity Concrete Designed for Bridge Deck Applications
  • Investigating the Causes of Deterioration of a Concrete Structure on the Texas Gulf Coast - A Case Study
  • Determination of Silica Fume in Unhydrated, Blended, Dry-Packed Mixture and Hydrated Mortar
  • Patents: CO2 - Enhanced Hydrocarbon Recovery with Corrosion-Resistant Cement; Method for Underground Support and Removal of Hazardous Ions in Ground Waters

Education

  • MBA, University of Houston
  • Ph.D., Purdue University
  • M.S., Institute of Chemical Technology, Prague
  • B.S., University of Science and Technology, Kumasi
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