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Prof. Vishnu R

Assistant Professor

Department of Civil Engineering

National Institute of Technology, Warangal - 506004, Telangana, INDIA

: vsr@nitw.ac.in :

Course Taught Previously

 Dec 2019-April 2020 Even Semester:

        Pavement Management Systems

        Road Asset Management

Aug 2020-Dec 2020 Odd semester

          Advanced Pavement Materials

Jan 2021  - April 2021 Even Semester

       Pavement Management Systems



  • Radhakrishnan Vishnu., Chowdari, G. S., Reddy, K. S., & Chattaraj, R. (2016). A predictive model for estimating the viscosity of short-term-aged bitumen. Road Materials and Pavement Design, 1-19 doi: 10.1080/14680629.2016.1261730
  • Radhakrishnan Vishnu., Chowdari, G. S., Reddy, K. S., & Chattaraj, R. (2017). Evaluation of wheel tracking and field rutting susceptibility of dense bituminous mixes. Road Material and Pavement Design, 1-20. doi: 10.1080/14680629.2017.1374998
  • Radhakrishnan Vishnu., Dudipala, R. R., Maity, A., & Sudhakar Reddy, K. (2017). Evaluation of rutting potential of asphalts using resilient modulus test parameters. Road Materials and Pavement Design, 1-16. doi: 10.1080/14680629.2017.1374994
  • Radhakrishnan Vishnu., Ramya Sri, M., & Reddy, K. S (2018). Evaluation of asphalt binder rutting parameters. Construction and Building materials, 298-307. doi.org/10.1016/j.conbuildmat.2018.04.058
  • Radhakrishnan Vishnu., Ramya Sri, M., & Reddy, K. S. (2018). Sensitivity of rutting and moisture resistance of asphalt mixes to gradation and design air void content. International Journal of Pavement Engineering. doi: 10.1080/10298436.2018.1517875
  • Mohd Tahir Ansari., Khailash Khetri., Vishnu R., & Venkaiah Chowdary (2021). Performance evaluation of rejuvenated recycled asphalt blends at high and intermediate pavement temperatures. International Journal of Pavement Engineering. doi: 10.1080/10298436.2021.1934466
  • S. Chakravarthy., Raj Kumar. G., Shankar S & Radhakrishnan Vishnu (2021). Effect of Emulsified Asphalt Content on Creep Behavior and Mechanical Properties of Cold Recycled Emulsified Asphalt Bases. Journal of Rehabilitation in Civil Engineering
  • Arjun kumar T., Arjun. P.V., Syed. M., A. Asif., Radhakrishnan Vishnu & Venkaiah Chowdary (2022). Influence of Evotherm on the thermal equilibrium time of unmodified and modified bituminous binders. Australian Journal of Civil Engineering. DOI: 10.1080/14488353.2022.2106702
  • Jithin Kurien Andrews., Radhakrishnan Vishnu., Reebu Zachariah Koshy (2022). Laboratory evaluation of emulsion treated base layer mixes incorporating recycled asphalt pavement materials. Journal of Materials in Civil Engineering. ASCE . DOI 10.1061/JMCEE7.MTENG-15695
  • Maheswara Raju., Radhakrishnan Vishnu., Venkaiah Chowdary (2022). Quantifying the degree of binder availability in recycled asphalt mix design using white and black rock mixes. Journal of Materials in Civil Engineering. ASCE . DOI. 10.1061/JMCEE7.MTENG-15445
  • Jithin Kurien Andrews., Radhakrishnan Vishnu., Reebu Zachariah Koshy., Subhash T.K., & Venkaiah Chowdary (2023). Field investigation of material layer properties for emulsion treated base layers. International Journal of Pavement Engineering DOI. 10.1080/10298436.2023.2190117
  • Jithin Kurien., Radhakrishnan Vishnu., Reebu Z., Prasad C.S.R.K (2023) Construction and Evaluation of Low volume Roads incorporating emulsion treated base layers; Indian Geotechnical Journal; https://doi.org/10.1007/s40098-023-00724-5
  • Jithin Kurien., Radhakrishnan Vishnu., Reebu Z. (2023) Evaluation of Deflection Bowl Parameters in Low volume roads. Journal of Transportation Engineering, Part B-Pavements, ASCE; DOI: 10.1061/JPEODX/PVENG-1273
  • Saniga M., Arunima R., Shankar S., Radhakrishnan Vishnu R (2023) Optimal Pavement maintenance and management strategies for flood affected low volume rural roads., Materials Today: Proceedings; https://doi.org/10.1016/j.matpr.2023.05.187
  • Saranya Ullas, Bindu C.S., Radhakrishnan Vishnu R (2023) Ground Granulated Blast Furnace slag as a partial replacement in open graded cement stabilized macadam, Journal of Civil Engineering Materials, ASCE (Accepted for publication)

PHDs Supervised

 Ongoing PhD students

1. Mohd Tahir Ansari 

    Topic: Evaluation of blending efficiency of recycled asphalt bituminous mixes

2. Sravanthi B

    Tentative Area: Evaluation of ageing characteristics of bituminous binders

3. Deepu R

    Tentative area: Evaluation of construction variability on pavement performance



  • “Evaluation of Rejuvenated Recycled Bitumen Binders based on Rutting Performance and Chemical Characterization using FTIR”. Khatri K., Tahir Ansari. M., Vishnu Radhakrishnan and Venkaiah Chowdary (2020). 13th International Conference (Online mode) on Transportation Planning and Implementation Methodologies for Developing Countries (TPMDC), Dec10-11, 2020


  • Evaluation of PAMA modified bituminous mixes | Funding Agency: Raeun Mercentile Pvt Ltd | Principal Investigator | Funding amount: 6.38 L
  • Performance evaluation of different surface course mixes in low volume roads | Funding Agency: Kerala State Government | Principal Investigator| Funding amount: 25 L
  • Evaluation of strength and durability of Full Depth Reclamation Mixes | Funding agency: Vasu Enterprises, Kolkata | Principal Investigator| Funding amount 18 L
  • Development of guidelines for dense graded bituminous mixes as thin surface course layers for low volume roads| Funding Agency: National Rural Infrastructure Development Agency (NRIDA)| Principal Investigator |Funding amount 28. 2 L
  • Laboratory performance evaluation of cementitious full depth reclamation mixes|   Funding Agency: National Rural Infrastructure Development Agency (NRIDA)| Principal Investigator |Funding amount 27  L

Additional Responsibility


  • Technical committee member of World Bank funded project ‘Rebuild Kerala Initiative (RKI)’ of Kerala State Government for the reconstruction of roads which were damaged in Kerala floods since 2018 | Key role: Proof checking DPR and recommending and evaluating flood resilient pavement types
  • Member of PMGSY State Technical Agency (STA) for Telangana and Andra Pradesh state, for the scrutiny of DPRs