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Dr. Lee has extensive experience in materials evaluation, specifically microscopical, petrographic, chemical, physical, and field investigations of various construction and geological materials. Dr. Lee leads projects that document quality and composition of cementitious and geological construction materials in regards to performance problems, causes of distress and failure, quality assurance, and assistance in renovation.,karan jeet

His expertise includes  concrete petrography, aggregate petrography, failure and forensic investigation, ASTM and USACES aggregate qualification tests, NQA-related materials testing, clinker microscopy, masonry and mortar testing, flooring and coating analysis, air-void system analysis, and litigation support.,سكس عالمي

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hd pon,Ph.D. in Geology (Petrology), Texas Tech University, 1999,M.S. in Civil Engineering (Materials), Texas Tech University, 2001

B.S. in Geology, Kyungpook National University, Taegu, South Korea, 1995,xvidoes

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  • American Concrete Institute
  • ASTM International
  • The Society of Concrete Petrographers
  • State Microscopical Society of Illinois

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Lee, S.Y., Daugherty, A., Willems, T. 2013. “Application of Petrographic Analysis for Corrosion Assessment.” Presented at 2013 Fall ACI Convention: Sponsoring Committee 222 – Corrosion of Metals in Concrete-Laboratory Test Methods for Corrosion Assessment: Technical Review and Practical Implications, Part 1.,sofiya leone

Lee, S.Y., Willems, T. 2013. “Case Study on Concrete Pavers Exhibiting Physical Salt Attack.” Presented at 2013 Fall ACI Convention: Sponsoring Committee 123 – Research and Current Developments. Open Paper Session, Part 1 of 2.,

bbw free sex,Lee, S.Y., Daugherty, A., Broton, D. 2013. “Assessing Aggregates for Radiation-Shielding Concrete: Methods for Petrographic Examination of High-Density and Boron-Bearing Aggregates.” Concrete International, Vol. 35, No. 5, 31-38. May.