Scholarly Record

Publications & manuscripts

Research on asphalt materials, moisture damage, recycling, rheology, data-driven pavement assessment, and infrastructure resilience.

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Peer-reviewed record

Journal Articles

Listed most recent first. DOI links lead to the publisher record.

2024

Evaluating and modelling the evolutive behaviour of physical and mechanical properties of cold mix containing RAP

Tedla, T. A., Singh, D., & Showkat, B. International Journal of Pavement Research and Technology, 17(6), 1419–1434.

DOI 10.1007/s42947-023-00310-1

2023

Effects of air voids on comprehensive laboratory performance of cold mix containing recycled asphalt pavement

Tedla, T. A., Singh, D., & Showkat, B. Construction and Building Materials, 368, 130416.

DOI 10.1016/j.conbuildmat.2023.130416

2022

Comparing different HWTT analysis methods for asphalt mixes containing RAP and correlating with MIST–TSR

Showkat, B., & Singh, D. Advances in Civil Engineering Materials, 11(1), 410–437.

DOI 10.1520/ACEM20220036

Contribution of MIST conditioning in evolution of structural parameters of asphalt mixes containing recycled asphalt pavement

Showkat, B., & Singh, D. Road Materials and Pavement Design, 23(6), 1239–1265.

DOI 10.1080/14680629.2021.1883468

Effect of MIST conditioning on the air voids and permeability of hot asphalt mixes containing reclaimed asphalt pavement

Showkat, B., & Singh, D. Road Materials and Pavement Design, 23(7), 1605–1632.

DOI 10.1080/14680629.2021.1910549

Perceiving moisture damage of asphalt mixes containing RAP using survival analysis based on Kaplan–Meier estimator and Cox proportional hazards model

Showkat, B., & Singh, D. Construction and Building Materials, 320, 126249.

DOI 10.1016/j.conbuildmat.2021.126249

Using survival and atrophy to understand the effect of RAP on moisture-induced damage susceptibility of asphalt mixes

Showkat, B., & Singh, D. International Journal of Pavement Engineering, 23(14), 4857–4876.

DOI 10.1080/10298436.2021.1984474

Applications of reclaimed asphalt pavement in India — A review

Magar, S., Xiao, F., Singh, D., & Showkat, B. Journal of Cleaner Production, 335, 130221.

DOI 10.1016/j.jclepro.2021.130221

Influence of same-grade asphalt binder from different sources and aging on moisture damage characteristics of asphalt–aggregate system

Roopashree, M. S., Singh, D., & Showkat, B. Journal of Materials in Civil Engineering, 34(8), 04022172.

DOI 10.1061/(ASCE)MT.1943-5533.0004308

Experimental, analytical, and analogical study of the effect of RAP extracted binder on rheology of polymer modified binder

Singh, D., Showkat, B., & Girimath, S. Road Materials and Pavement Design, 23(5), 1011–1036.

DOI 10.1080/14680629.2020.1868552

2021

Effect of MIST conditioning on moisture-induced damage of RAP mixes using elastic moduli and stress–strain behavior

Showkat, B., & Singh, D. Journal of Materials in Civil Engineering, 33(12), 04021351.

DOI 10.1061/(ASCE)MT.1943-5533.0003988

Influence of bio-oil modification on moisture-induced damage potential of asphalt binder and mix

Girimath, S., Singh, D., & Showkat, B. Advances in Civil Engineering Materials, 10(1), 276–299.

DOI 10.1520/ACEM20200143

2020

Study of rheological and creep recovery properties of asphalt binder modified with waste toner

Showkat, B., Suresha, S. N., & Akhandappagol, N. Journal of Materials in Civil Engineering, 32(11), 04020331.

DOI 10.1061/(ASCE)MT.1943-5533.0003411

A comprehensive study on source dependency of conventional, chemical and rheological properties of asphalt binder

Roopashree, M. S., Singh, D., & Showkat, B. Construction and Building Materials, 258, 120338.

DOI 10.1016/j.conbuildmat.2020.120338

Investigation of chemical, microstructural, and rheological perspective of asphalt binder modified with graphene oxide

Singh, D., Kuity, A., Girimath, S., Suchismita, A., & Showkat, B. Journal of Materials in Civil Engineering, 32(11), 04020323.

DOI 10.1061/(ASCE)MT.1943-5533.0003385

Effect of recycled asphalt pavement binder on rheology of crumb rubber-modified binder — An experimental, analytical, and analogical study

Singh, D., Showkat, B., & Girimath, S. Advances in Civil Engineering Materials, 9(1), 643–665.

DOI 10.1520/ACEM20200077

Effects of amine and silane antistripping agents on rheological behavior of crumb rubber modified binder at high and low temperature

Singh, D., Showkat, B., & Rajan, B. Advances in Civil Engineering Materials, 9(1), 387–410.

DOI 10.1520/ACEM20190226

Rheological interference of amine and silane-based antistripping agents on crumb rubber-modified binder

Singh, D., Showkat, B., Rajan, B., & Shah, A. Journal of Materials in Civil Engineering, 32(2), 04019347.

DOI 10.1061/(ASCE)MT.1943-5533.0003004

Rheological and chemical characteristics of asphalt binder modified with groundnut shell bio-oil

Singh, D., Yenare, C., & Showkat, B. Advances in Civil Engineering Materials, 9(1), 311–339.

DOI 10.1520/ACEM20190227

2019

A study to compare virgin and target asphalt binder obtained from various RAP blending charts

Singh, D., Showkat, B., & Sawant, D. Construction and Building Materials, 224, 109–123.

DOI 10.1016/j.conbuildmat.2019.07.038

Active scholarship

Manuscripts Under Review

Status and venue follow the current curriculum vitae.

Under review

Cross-modality laboratory and machine learning assessment of stone mastic asphalt with construction and demolition waste

Showkat, B., Rafiq, W., Abdulrahman, S., Babalghaith, A. M., Alqahtani, F. F., Rahman, S. M., & Al-Osta, M. International Journal of Pavement Research and Technology.

Under review

Multidimensional pothole management via copula-based joint exceedance and span-constrained seed-and-bundle spatial optimization

Showkat, B., Baig, M. G., Alqahtani, F. F., Mishra, D., Al-Osta, M., & Abdulrahman, S. International Journal of Pavement Engineering.

Under review

Thickness-aware deflection-bowl benchmarks for network screening of heavily overlaid asphalt pavements: Calibrated thresholds, forensic validation, and deployable software

Showkat, B., & Singh, D. International Journal of Pavement Engineering.

Completed manuscripts

Internal Review

Internal review of completed manuscripts, distinct from journal peer review.

Internal review

Proxy-Based Annual Flood Hazard Functions for Pavement Resilience Assessment in Virginia

Showkat, B., Joti, S. H., Amarh, E., Flintsch, G., & Mishra, D.

Completed manuscript under internal review by my postdoctoral supervisor.

Internal review

Analytical Stress Solution and Mechanical Interpretation of the Marshall-RT Test

Showkat, B., Gavadakatla, V., Singh, D., & Gham, T. S.

Completed manuscript under internal review.

Internal review

A Mechanics-Based Framework for Pavement Resilience Assessment with an Application to Flooding

Showkat, B., Joti, S. H., Amarh, E., Flintsch, G., & Mishra, D.

Completed manuscript under internal review by my postdoctoral supervisor.

Developing work

Manuscripts In Preparation

In preparation

A multivariate statistical framework for asphalt mixes containing RAP subjected to varying stress cycles of MIST

Showkat, B., & Singh, D.

Methods include Pearson correlation, principal component analysis, multiple linear regression, and partial least squares.

In preparation

Rayleigh-distribution modelling of the stress–strain response of asphalt mixes for the assessment of survival and atrophy

Showkat, B., & Singh, D.

Conference scholarship

Conference Contributions

Each record distinguishes abstract preparation, peer-review outcomes, and further journal assessment.

Under review

Annual Flood Hazard Models for Pavement Resilience Planning: A Virginia Case Study

Showkat, B., Amarh, E., Flintsch, G., & Mishra, D.

PIARC XXVIII World Road Congress, Vancouver, Canada, 4–8 October 2027.

Submitted to the congress; under review.

Congress details

Accepted for presentation

Toward quantitative assessment of flood-related pavement resilience: Initial framework development and a representative case study for DOT asset management

Showkat, B., Joti, S. H., Amarh, E., Mishra, D., & Flintsch, G. 106th Transportation Research Board Annual Meeting, Washington, D.C., January 2027.

Accepted for presentation at the TRB Annual Meeting following peer review. Recommended for further assessment by the Transportation Research Record (TRR) Editorial Board.