People
Haejin Kim, Ph.D., P.E.
Senior Engineer
Focus
- Materials Science + Engineering
Biography
Dr. Haejin Kim is a distinguished professional engineer and concrete researcher known for his significant contributions to the field of concrete technology. Dr. Kim’s career has been marked by pioneering projects, from innovative aggregate systems to sustainable concrete methodologies, often in collaboration with organizations like the Federal Highway Administration (FHWA) and State DOTs. Dr. Kim served as the Director of the National Ready Mixed Concrete Association’s Research Laboratory (NRMCA), where he engaged in practical research projects funded by the Ready Mixed Concrete Research & Education Foundation. His research contributions are well-documented in various publications.
Beyond academia, Dr. Kim has hands-on experience supervising significant infrastructure projects, such as the commuter railway project between Tutuban and Malolos in the Philippines. Holding professional engineering licenses in Virginia, Maryland, and Michigan, Dr. Kim remains committed to advancing concrete technology, embodying a dedication to ongoing learning and excellence in his field.
Education
Ph.D. in Civil Engineering University of Maryland at College Park, 2009
M.S. in Civil Engineering University of Maryland at College Park, 2003
B.S. in Civil Engineering Kyungnam University, South Korea, 1995
Affiliations
American Concrete Institute
American Society of Testing and Materials
Featured Publications
“Well Graded Aggregates and Concrete Performance,” Concrete International, March 2008.
“Effect of Continuous (Well-Graded) Combined Aggregate Grading on Concrete Performance Phase A: Aggregate Voids Content (Packing Density),” NRMCA, Silver Spring, MD, May 2007.
“Effect of Continuous (Well-Graded) Combined Aggregate Grading on Concrete Performance Phase B: Concrete Performance,” NRMCA, Silver Spring, MD, May 2007.
“Sustainable Concrete through the Reuse of Crushed Returned Concrete,” Journal of the Transportation Research Board, No. 2113, Concrete Materials 2009, pp. 114-121.
“Crushed Returned Concrete as Aggregates for New Concrete,” RMC Research Foundation, Project 05-13, July 2007, 35 pp.
“Pervious Concrete: Mixture Proportioning Guideline & Software – CD,” NRMCA Publication, #2PE001, Feb. 2009 (featured as a best-seller in InFocus Magazine).
“Pervious Concrete: Guideline to Mixture Proportioning and Research Report,” NRMCA Publication, #2PE002, Feb. 2009.
“Optimizing Concrete Mixtures for Performance and Sustainability,” NRMCA Concrete Technology Forum, May 2012.
“Selection of Rapid Index Tests and Criteria for Concrete Resistant to Chloride Penetration,” Transportation Research Board, 2014.
“Criteria for Freeze-Thaw Resistant Concrete Mixtures,” Advances in Civil Engineering Materials, 2016.
“Tests and Criteria for Concrete Resistant to Chloride Ion Penetration,” ACI Materials Journal, 2016.
“Greatly Increased use of Fly Ash in Hydraulic Cement Concrete for Pavement Layers and Transportation Structures – Volume I,” Final Report to Research Consortium led by Purdue University and funded by FHWA, March 2012.
“Increased Use of Fly Ash in Hydraulic Cement Concrete (HCC) for Pavement Layers and Transportation Structures,” Purdue University, 2012.
“Analysis of The Impact of Deicing Salts on Transport Properties of Concrete‐Preliminary Results,” presented at the 11th International Conference on Concrete Pavement, San Antonio, Texas, Aug-Sep 2016.
“Impact of Deicing Salts on Transport Properties of Concrete,” presented at the Transportation Research Board, 2017.
“Influence of Aggregate Characteristics on Concrete Performance,” NIST Technical Note 1963, U.S. Department of Commerce, May 2017.
“Influence of Aggregate Properties on Concrete Mechanical Performance,” presented at the Transportation Research Board, 2017.
“Bigger Is Not Always Better,” Public Roads 82 (2), 2018.
“Divergence between Performance in the Field and Laboratory Test Results for Alkali-Silica Reaction,” Transportation Research Record, 2020.
“Influence of Loading Pressure on Ionic Concentration of Pore Solution Expressed from Concrete Samples,” Journal of Testing and Evaluation, 2020.
“Quantification of Calcium Oxychloride by Differential Scanning Calorimetry: Validation and Optimization of the Testing Procedure,” Advances in Civil Engineering Materials, 2021.
