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Dr. Prasad Rao Rangaraju

Professor of Civil Engineering

Areas of Interest:
Cement, Concrete, Aggregates and Supplementary Materials
Microscopy and Petrography of Cement Based Composites, Aggregates
Durability of Cementitious Systems
Concrete Pavements: Design, Construction and Rehabilitation

Education:
B. Tech., Civil Engineering, 1991, Jawaharlal Nehru Technical University, India
M.S., Civil Engineering, 1993, Iowa State University
Ph.D., Civil Engineering, 1997, Purdue University

Classes typically taught:
CE 3510 Civil Engineering Material
CE 8260 Properties of Portland Cement Concrete
CE 8930 Special Cements and Concretes
CE 8930 Repair and Rehabilitation of Concrete Structures
ENGR 1200 Engineering Problem Solving and Design

Professional Registration:
Professional Engineer in Minnesota

Professional Society Membership:
American Society of Civil Engineers
American Concrete Institute
American Society of Testing Materials
Transportation Research Board

Sample Publications:

Afshinnia, K. and Rangaraju, P.R. “Influence of Fineness of Ground Recycled Glass on Mitigation of Alkali-Silica Reaction in Mortars”, Journal of Construction and Building Materials (Accepted for Publication), 2015.

Li, Z., Harish, K.V. and Rangaraju, P.R. “Effect of Sand Content on the Properties of Self-Consolidating High Performance Cementitious Mortar”, Journal of Transportation Research Board, (Accepted for Publication) 2015.

Afshinnia, K. and Rangaraju, P.R. “Effectiveness of Ground Glass Powder From Recycled Glass In Mitigating Alkali-Silica Reaction In Concrete”, Journal of Transportation Research Board, (Accepted for Publication) 2015.

Harish, K.V. and Rangaraju, P.R. “Effect of Grinding of Low-Carbon Rice Husk Ash (RHA) on the Microstructure and Properties of Cementitious Systems Containing RHA”, Cement and Concrete Composites, Vol. 55, 2015, pp. 348-363.  http://dx.doi.org/10.1016/j.cemconcomp.2014.09.021. (Online Available).

Latifee, E.R. and Rangaraju, P.R. “Miniature Concrete Prism Test – Rapid Test Method for Evaluating Alkali Silica Reactivity of Aggregates” ASCE Journal of Materials in Civil Engineering, 2014, http://dx.doi.org/10.1061/(ASCE)MT.1943-5533.0001183

Jimma, B. and Rangaraju, P.R. "Film-Forming Ability of Flowable Cement Pastes and its Application in Mixture Proportioning of Pervious Concrete", Construction and Building Materials Journal, Vol. 71, No. 30, November 2014, Pages 273-282, http://dx.doi.org/10.1016/j.conbuildmat.2014.08.018.

Pattnaik, R.R. and Rangaraju, P.R. “Investigation on Flexure Test of Composite Beam of Repair Materials and Substrate Concrete for Durable Repair” Journal of the Institute of Engineers (India): Series A, Vol. 95, No. 4, pp. 203-209, 2014.

 Pattnaik, R.R and Rangaraju, P.R. “Relationships between Properties and Compatibility of Repair Materials with Substrate Concrete” Indian Concrete Journal, Vol. 88, 2014, p.12.

Harish K.V.and  Rangaraju, P.R. “Effectiveness of Lithium Nitrate Admixture in Mitigation Alkali-Silica Reaction  in Presence of Fly Ashes of Varying Chemical Composition”, ASCE Journal of Materials (In Review), 2013.

Harish, K.V. and Rangaraju, P.R. “Material Characterization Studies on Low- and High- Carbon Rice Husk Ash and their Performance in Portland Cement Mixtures”, ASTM Journal of Advances in Civil Engineering Materials, (In Review), 2013.

Wingard, D.W., Math, S. and Rangaraju, P.R.  “Assessing the Effectiveness of SCMs in Mitigating ASR in Presence of Potassium Acetate Deicer” Materials and Structures Journal, (In Review) 2013.

Gadkar, S. and Rangaraju, P.R. “Freeze-Thaw Durability of Crumb Rubber Modified Concrete”, ASTM Journal of Advances in Civil Engineering Materials, (In Review) 2013.

Harish K.V. and Rangaraju, P.R. “Effect of Fineness of Low-Carbon Rice Husk Ash on Properties of Concrete” ACI Materials Journal (In Review) 2013.

Balachandran, C., Olek, J.. Rangaraju, P.R., and Diamond, S. “The Role of Potassium Acetate Deicer in Accelerating ASR in Concrete Pavements: Relation between Laboratory and Field Studies”, Transportation Research Record: The Journal of Transportation Research Board, Vol. 2232, p. 10, 2011.

Math, S., Wingard, D. and Rangaraju, P.R. “Assessing Potential Reactivity of Aggregates in Presence of Potassium Acetate Deicer – Revised EB-70 method”, Transportation Research Record: The Journal of Transportation Research Board, Vol. 2232, p. 10, 2011.

Harish, K.V. and Rangaraju, P.R. “Effect of Blended Fly Ashes in Mitigating ASR”, Transportation Research Record: The Journal of Transportation Research Board, Vol. 2240, p. 10, 2011.

Rangaraju, P.R., Olek, J. and Diamond S. "Role of Inter-Aggregate Spacing on Properties of Portland Cement Concrete" Cement and Concrete Research, Vol. 40, No. 11, pp. 1601-1608, 2010.

Harish, K.V., Rangaraju, P.R., and Vempati, R.K. "Fundamental Investigation into Performance of a Carbon Neutral Rice Husk Ash As a Supplementary Cementing Material", Journal of Transportation Research Board, Vol. 2164, p. 11, 2010.

Rangaraju, P.R. and Desai, J. "Effectiveness of Fly Ash and Slag in Mitigating ASR in Presence of Deicing Chemicals" ASCE Journal of Materials in Civil Engineering, Vol. 21, No. 1, January 2009, pp. 19-31.

Davis, J.M., NewBury D.E. Rangaraju, P.R., Soundarapandian, S. Giebson, C. "Milli X-Ray Fluorescence X-Ray Spectrum Imaging for Measurement of Potassium Ion Intrusion into Concrete Pavements", Cement and Concrete Composites, Vol. 31, Issue 3, 2009, pp. 171-175.

Rangaraju, P.R. "A Case Study of HPC Pavement with Slag Cement" ACI-SP, American Concrete Institute, Detroit, 2009 (Accepted).

Rangaraju, P.R. and Edlinski, J. "Comparative Evaluation of Aggregate Toughness/Abrasion Resistance and Soundness Tests Using South Carolina Aggregates" Journal of Materials in Civil Engineering, ASCE, Vol. 20, No. 5, May 2008, p. 343-351.

Pattnaik, R.P. and Rangaraju, P.R. "Analysis of Compatibility between Repair Material and Substrate Concrete Using Simple Beam with Third Point Loading" Journal of Materials in Civil Engineering, ASCE, Vol. 19, No. 12, 2007, p. 1060-1069.

Rangaraju, P.R., Sompura, K. and Olek, J. "Investigation of Influence of Potassium Acetate Deicer in Inducing ASR Using a Modified Concrete Prism Test" Journal of Transportation Research Board, Transportation Research Record 2020, 2007, p. 50-59.

Prasad Rao Rangaraju
Contact Information:
Office: 220 Lowry Hall
Phone: (864) 656-1241
FAX: (864) 656-2670
email Dr. Rangaraju