Publications of the University of Nevada, Las Vegas Civil and Environmental Engineering Department faculty.


Submissions from 2019

Modeling Transitional States of Drivers Yielding Right-Of-Way to Pedestrians at Signalized Midblock Crosswalks using a Hazard-Based Multistate Model, Boniphace Kutela and Hualiang Teng

Prediction of Drivers and Pedestrians' Behaviors at Signalized Mid-Block Danish Offset Crosswalks Using Bayesian Networks, Boniphace Kutela and Hualiang Teng

The Influence of Campus Characteristics, Temporal Factors, and Weather Events on Campuses-Related Daily Bike-Share Trips, Boniphace Kutela and Hualiang Teng

Assessment of Methodological Alternatives for Modeling the Spatiotemporal Crossing Compliance of Pedestrians at Signalized Midblock Crosswalks, Boniphace Kutela and Hualiang "Harry" Teng

Relationships Between Personality Facets and Accident Involvement Among Truck Drivers, Karen Landay, Dustin Wood, P. D. Harms, Brandon Ferrell, and Shashi Nambisan


A Graph-Based Reinforcement Learning Method with Converged State Exploration and Exploitation, Han Li, Tianding Chen, Hualiang Teng, and Yingtao Jiang

Are Young Americans Carless Across the United States? A Spatial Analysis, Jun Liu, Shashi Nambisan, Xiaobing Li, and Xing Fu

Current Progress in Treatment Techniques of Triclosan from Wastewater: A Review, Zirui Luo, Yangzhuo He, Dan Zhi, Lin Luo, Yuqing Sun, Eakalak Khan, Lei Wang, Yutao Peng, Yaoyu Zhou, and Daniel C.W. Tsang

Impact of Precipitation and Agricultural Productivity on Groundwater Storage in Rahim Yar Khan District, Pakistan, Guarang Mistry, Haroon Stephen, and Sajjad Ahmad

Improving the hardened and transport properties of perlite incorporated mixture through different solutions: Surface area increase, nanosilica incorporation or both, Seyed Mahmoud Motahari Karein, Mohammad Balapour, and Moses Karakouzian

Transport and Durability Properties of Alkali-Activated Natural Pozzolan/Slag Concrete, Meysam Najimi and Nadar Ghafoori

Engineering Properties of Natural Pozzolan/Slag Based Alkali-Activated Concrete, Meysam Najimi and Nader Ghafoori


Water Quality Modeling of Mahabad Dam Watershed–Reservoir System under Climate Change Conditions, Using SWAT and System Dynamics, Mohammad Nazari-Sharabian, Masoud Taheriyoun, Sajjad Ahmad, Moses Karakouzian, and Azadeh Ahmadi

Surface Runoff and Pollutant Load Response to Urbanization, Climate Variability, and Low Impact Developments-a Case Study, Mohammed Nazari-Sharabian, Masoud Taheriyoun, and Moses Karakouzian

SISTEM: Increasing High School Students’ Engineering Career Awareness, Schetema Nealy and Erica J. Marti

Viral Surrogates in Potable Reuse Applications: Evaluation of a Membrane Bioreactor and Full Advanced Treatment, Katerina Papp, Duane Moser, and Daniel Gerrity

Human Responses of Emergency Evacuation Using Agent-Based Modeling, Jee Woong Park and Cristian Arteaga

Specification of Mixed Logit Models Assisted by an Optimization Framework, Alexander Paz, Cristian Arteaga, and Carlos Cobos

Using SWAT to Simulate Streamflow in Trinity River Basin, Texas, USA, Md. Mafuzur Rahaman, Gaurav Raj Lamichhane, Alen Shrestha, Balbhadra Thakur, Ajay Kalra, and Sajjad Ahmad


Modeling of GRACE-Derived Groundwater Information in the Colorado River Basin, Md Mafuzur Rahaman, Balbhadra Thakur, Ajay Kalra, and Sajjad Ahmad

Dissolved Oxygen/Free Ammonia (DO/FA) Ratio Manipulation to Gain Distinct Proportions of Nitrogen Species in Effluent of Entrapped-Cell-Based Reactors, Chaiwat Rongsayamanont, Eakalak Khan, and Tawan Limpiyakorn

Monitoring and Calibration of a Three-Dimensional Hydrodynamic Model for Lake Arrowhead, California, Prior to Initiating Indirect Potable Reuse Through Surface Water Augmentation,, Ali Saber, David E. James, Imad Hannoun, Tracy Vermeyen, Meghan Thiemann, and Jeffery Pasek

Application of a Novel Grid-Based Method Using a Wavelet Artificial Neural Network System for Predicting Water Quality Profiles in Deep Lakes: Effects of High and Low Frequency Wavelet Decomposed Components, Ali Saber, David E. James, and Donald F. Hayes

Estimation of Water Quality Profiles in Deep Lakes Based on Easily Measurable Constituents at the Water Surface Using Artificial Neural Networks Coupled with Stationary Wavelet Transform, Ali Saber, David E. James, and Donald F. Hayes

Long‐Term Forecast of Water Temperature and Dissolved Oxygen Profiles in Deep Lakes Using Artificial Neural Networks Conjugated With Wavelet Transform, Ali Saber, David E. James, and Donald F. Hayes


Optimization of Photocatalytic Degradation of Acid Blue 113 and Acid Red 88 Textile Dyes in a UV-C/TiO2 Suspension System: Application of Response Surface Methodology (RSM), Ali Saber, David E. James, and Soroosh Mortazavian

Analysis of Changes in Surface Energy Fluxes Due to Urbanization in Las Vegas, Rubab Saher, Sajjad Ahmad, and Haroon Stephen


Development of Threshold Levels and a Climate-Sensitivity Model of the Hydrological Regime of the High-Altitude Catchment of the Western Himalayas, Pakistan, Muhammad Saifullah, Shiyin Liu, Adnan Ahmad Tahir, Muhammad Zaman, Sajjad Ahmad, Muhammad Adnan, Dianyu Chen, Muhammad Ashraf, and Asif Mehmood

Automated Scaffolding Safety Analysis: Strain Feature Investigation using Support Vector Machines, Sayan Sakhakarmi, Cristian Arteaga Sanchez, Jee Woong Park, and Chunhee Cho


Investigation of Tactile Sensory System Configuration for Construction Hazard Perception, Sayan Sakhakarmi and Jeewoong Park

Simultaneous Bioprecipitation of Cadmium to Cadmium Sulfide Nanoparticles and Nitrogen Fixation by Rhodopseudomonas Palustris TN110, Jakkapan Sakpirom, Duangporn Kantachote, Sumana Siripattanakul-Ratpukdi, John McEvoy, and Eakalak Khan

Persistent Pockets of Low Chlorine Residual in New York City's Drinking Water Distribution System: A Case Study, Ousmane Sy Savane, Eakalak Khan, Salome Freud, Amy Murphy, Kibre Tesfargiog, and Virginia Murray

Cave Temperature and Management Implications in Lehman Caves, Great Basin National Park, USA, Stanka Šebela, Gretchen Baker, and Barbara Luke

Urban Runoff and Pollutant Reduction by Retrofitting Green Infrastructure in Storm Water Management System, Sailuj Shakya, Kazi Ali Tamaddun, Haroon Stephen, and Sajjad Ahmad

Large-Scale Flexure Fracture Experiiments on High-Toughness Steel, Ryan J. Sherman, William N. Collins, and Robert J. Connor

Large-Scale Flexure Fracture Experiments on High-Toughness Steel, Ryan J. Sherman PhD, PE; William N. Collins PhD, PE; and Robert J. Connor PhD

Material Characterization of High-Toughness Steel, Ryan J. Sherman, William N. Collins, and Robert J. Connor

Change Orders on Road Maintenance Contracts: Causes and Preventive Measures, Kabindra K. Shrestha Ph.D, P.E. and Pramen P. Shrestha Ph.D, P.E.

Life-Cycle Cost Comparison of Chip Seal and Striping: In-House Workers versus Private Contractors, Kishor Shrestha, Pramen P. Shrestha, and Mylinh Lidder

Project Performance of Public Private Partnership Projects based on Various Contract Agreements and Correlation with Funding Mechanism, Pramen Shrestha and Medya Fathis

Impacts of Change Orders on Cost and Schedule Performance and the Correlation with Project Size of DB Building Projects, Pramen P. Shrestha PhD, PE and Medya Fathi

The Impacts of Change Orders on Cost and Schedule Performance and the Correlation with Project Size of DB Building Projects, Pramen P. Shrestha and Medya Fathi

Effect of Change Orders on Cost and Schedule for Small Low-Bid Highway Contracts, Pramen P. Shrestha and Ruiko Maharjan

Change Orders on Road Maintenance Contracts: Causes and Preventative Measures, Pramen P. Shrestha and Kabindra K. Shrestha

Probability of Change Orders and the Effect on Cost and Schedule for New Public School Buildings, Pramen P. Shrestha, Kabindra Kumar Shrestha, and Haileab B. Zeleke

Change Orders on Road Maintenance Contracts: Causes and Preventative Measures, Pramen Shrestha and Kabindra K. Shrestha

Environmental Impact of Conversion of Natural Wetland into Reservoir: A Case Study of Chotiari Reservoir in Pakistan, Altaf A, Siyal; Aamir M. Bhatti; M. Munir Babar; Kamran Ansari; Rubab Saher; and Sajjad Ahmad

Degradation of Antibiotics by Modified Vacuum-UV Based Processes: Mechanistic Consequences of H2O2 and K2S2O8 in the Presence of Halide Ions, Yuqing Sun, Dong-Wan Cho, Nigel J.D. Graham, Deyi Hou, Alex C.K. Yip, Eakalak Khan, Hocheol Song, Yaru Li, and Daniel C.W. Tsang

Ambient Air Quality of Major Indian States and Cities: A Spatiotemporal Analysis, Kazi Ali Tamaddun, Ajay Kalra, and Sajjad Ahmad

Spatiotemporal Variation in the Continental US Streamflow in Association with Large-Scale Climate Signals Across Multiple Spectral Bands, Kazi Ali Tamaddun, Ajay Kalra, and Sajjad Ahmad

CMIP5 Models' Ability to Capture Observed Trends under the Influence of Shifts and Persistence: An In-Depth Study on the Colorado River Basin, Kazi Ali Tamaddun, Ajay Kalra, Sanjiv Kumar, and Sajjad Ahmad


Effects of ENSO on Temperature, Precipitation, and Potential Evapotranspiration of North India’s Monsoon: An Analysis of Trend and Entropy, Kazi Tamaddun, Ajay Kalra, Miguel Bernandez, and Sajjad Ahmad


Bringing Statistical Learning Machines Together for Hydro-Climatological Predictions - Case Study for Sacramento San Joaquin River Basin, California, Balbhadra Thakur, Ajay Kalra, Sajjad Ahmad, Kenneth W. Lamb, and Venkat Lakshmi

Emerging Contaminants in Wastewater, Stormwater Runoff, and Surface Water: Application as Chemical Markers for Diffuse Sources, Ngoc Han Tran, Martin Reinhard, Eakalak Khan, Huiting Chen, Viet Tung Nguyen, Yiwen Li, Shin Giek Goh, Quy Bau Nguyen, Nazanin Saeidi, and Karina Yew-Hoong Gin

A Clusterwise Regression Approach for the Estimation of Crash Frequencies, Naveen Veeramisti, Alexander Paz, Mukesh Khadka, and Cristian Arteaga

Synergistic Utilization of Inherent Halides and Alcohols in Hydraulic Fractuing Wastewater for Radical-Based Treatment: A Case Study of Di-(2-ethylhexyl) Phthalate Removal, Di Wang, Yuqing Sun, Daniel C.W. Tsang, Eakalak Khan, Dong-Wang Cho, Yaoyu Zhou, Fei Qi, Jianyu Gong, and Linling Wang


MELPF version 1: Modeling Error Learning based Post-Processor Framework for Hydrologic Models Accuracy Improvement, Rui Wu, Lei Yang, Chao Chen, Sajjad Ahmad, Sergiu M. Dascalu, and Frederick C. Harris Jr.


Changes in Snow Phenology from 1979 to 2016 over the Tianshan Mountains, Central Asia, Tao Yang, Qian Li, Sajjad Ahmad, Hongfei Zhou, and Lanhai Li

Effects of High Temperature on Residual Punching Strength of Slab-Column Connections after Cooling and Enhanced Post-Punching Load Resistance, Chunyu Zhang, Wenchen Ma, Xiang Liu, Ying Tian, and Sarah L. Orton

Simplified performance-based optimal seismic design of reinforced concrete frame buildings, Chunyu Zhang and Ying Tian

Submissions from 2018

Dynamic Simulation of Lake Mead Water Levels in Response to Climate Change and Varying Demands, Abhusan Achhami, Ajay Kalra, and Sajjad Ahmad

Automated Generation of Optimal Steel Sequences with Discrete Action, Status and Interaction Simulation in BIM, Madhumita Akhuli, Chunhee Cho, Jee W. Park, and Kyungki Kim


Use of Ozone-biofiltration for Bulk Organic Removal and Disinfection Byproduct Mitigation in Potable Reuse Applications, Mayara Arnold, Jacimaria Batista, Eric Dickenson, and Daniel Gerrity

Performance Assessment of Artificial Neural Networks and Support Vector Regression Models for Stream Flow Predictions, Ateeq-ur-Rauf, Abdul Razzaq Ghumman, Sajjad Ahmad, and Hashim Nisar Hashmi


Performance Characterization of a Novel Marsh Shoreline Protection Technology: The Wave Suppression and Sediment Collection (WSSC) System, Grant Besse, Salman Sakib, Daniel Gang, and Donald Hayes

Effects of Soil Data Resolution on the Simulated Stream Flow and Water Quality: Application of Watershed-Based SWAT Model, Ranjit Bhandari, Ranjeet Thakali, Gilles-Arnaud Arif-Deen Kandissounon, Ajay Kalra, and Sajjad Ahmad

Flood Damage Reduction in Urban Areas with Use of Low Impact Development Designs, Swastik Bhandari, Addison Jobe, Balbhadra Thakur, Ajay Kalra, and Sajjad Ahmad


Relationship between Ocean-Atmospheric Climate Variables and Regional Streamflow of the Conterminous United States, Swastik Bhandari, Ajay Kalra, Kazi Tamaddun, and Sajjad Ahmad


Assessment of a Peer Mentoring Program to Build Capacity for Course Development and Delivery, Steven J. Burian, Mercedes Ward, Sajjad Ahmad, David Lawrence Stevenson, Tariq Banuri, Muhammad Aslam Chaudhry, Rasool Bux Mahar, and Jeffery D. Ullman


A Conceptual Framework for Integration Development of GSFLOW Model: Concerns and Issues Identified and Addressed for Model Development Efficiency, Chao Chen, Sajjad Ahmad, and Ajay Kalra


Data-Driven Monitoring System for Preventing the Collapse of Scaffolding Structures, Chunhee Cho, Kyungki Kim Aff.M.ASCE, JeeWong Park A.M.ASCE, and Yong K. Cho A.M.ASCE

Multi-Physics Simulation of Microwave Energy for curing Cement-based Materials, Chunhee Cho, Jee W. Park, and Kyungki Kim


An Embedded Sensory System for Worker Safety: Prototype Development and Evaluation, Chunhee Cho and Jee Woong Park


Automated and Optimized Sensor Deployment using Building Models and Electromagnetic Simulation, Chunhee Cho, Jeewoong Park, and Kyungki Kim


Energy Loss in Cement-based Material for Efficient Sensor Deployment at a Site, Chunhee Cho, JeeWoong Park, and Kyungki Kim

Machine Learning for Assessing Real-Time Safety Conditions of Scaffolds, Chunhee Cho, Jee Woong Park, Kyungki Kim, and Sayan Sakhakarmi

Scaffolding Modelling for Real-Time Monitoring using a Strain Sensing Approach, Chunhee Cho, Sayan Sakhakarmi, Kyungki Kim, and Jee Woong Park

An Investigation of Construction Workforce Inequalities and Biases in the Architecture, Engineering, and Construction (AEC) Industry, Jin Ouk Choi, Pramen P. Shrestha, Jaewon Lim, and Binit K. Shrestha


Antibiotic-resistant Escherichia Coli from Retail Poultry Meat with Different Antibiotic Use Claims, Gregg S. Davis, Kara Waits, Lora Nordstrom, Heidi Grande, Brett Weaver, Katerina Papp, Joseph Horwinski, Benjamin Koch, Bruce A. Hungate, Cindy M. Liu, and Lance B. Price

Impact of Upstream Chlorination on Filter Performance and Microbial Community Structure of GAC and Anthracite Biofilters, Glen Andrew de Vera, Daniel Gerrity, Mitchell Stoker, Wilbur Frehner, and Eric C. Wert


Efficacy of Dredging for Remediating Polychlorinated Biphenyl-Contaminated Sediments of the Lower Fox River, Sahar Ehsani and Donald Hayes

Simultaneous Estimation of Flexible Models and Associated Hyperparameters: An Application to Travel Activity-Duration Modeling, Daniel Emaasit and Alexander Paz

Performance Comparison of Design-Build Projects for Highways and Buildings, Medya Fathi and Pramen P. Shrestha

Performance Comparison of Design-Build Projects for Highways and Buildings, Medya Fathi and Pramen P. Shrestha


Investigation of Setting Time and Compressive Strength of Ready-mixed Concrete Blended with Returned Fresh Concrete, Negasi N. Gebremichael, S. Mahmoud Motahara Karein, Moses Karakouzian, and Kazem Jadidi

Microbial Community Characterization Of Ozone-biofiltration Systems In Drinking Water And Potable Reuse Applications, D Gerrity, M Arnold, E Dickenson, D Moser, J D. Sackett, and E C. Wert


Sodium Sulfate Resistance of Mortars Containing Combined Nanosilica and Microsilica, Nader Ghafoori PhD, PE, MASCE; Iani Batilov; Meysam Najimi; and MohammadReza Sharbaf

Remediation of Loss in Flow Properties of Self-consolidating Concrete under Various Combinations of Transportation Time and Temperature, Nader Ghafoori, Hamidou Diawara, and Ariful Hasnat

Experimental and Numerical Investigations for Optimal Emitter Spacing in Drip Irrigation, Abdul Razzaq Ghumman, Muhammad Iqbal, Sajjad Ahmad, and Hashim Nisar Hashmi


Investigating Management of Irrigation Water in the Upstream Control System of the Upper Swat Canal, A. R. Ghumman, Sajjad Ahmad, S. Rahman, and Z. Khan

Optimizing Ozone-Biofiltration Systems for Organic Carbon Removal in Potable Reuse Applications, Mac Gifford, Ashley Selvy, and Daniel Gerrity

Hardness Variation in Driven Rivets for Bridge Evaluation, Matthew H. Hebdon Ph.D, P.E., M.ASCE; Ryan J. Sherman Ph.D, P.E., M.ASCE; and Robert J. Connor Ph.D, M.ASCE


Photolysis of Glutaraldehyde in Brine: A Showcase Study for Removal of a Common Biocide in Oil and Gas Produced Water, Soklida Hong, Thunyalux Ratpukdi, Jayaraman Sivaguru, and Eakalak Khan


A New Approach to Evaluate Alkali-silica Reactivity Using Loss in Concrete Stiffness, Mohammad S. Islam and Nader Ghafoori


Integrating System Dynamics and Remote Sensing to Estimate Future Water Usage and Average Surface Runoff in Lagos, Nigeria, Gilles A. Kandissounon, Ajay Karla, and Sajjad Ahmad

Pretreatment of Natural Perlite Powder by further Milling to use as a Supplementary Cementitious Material, S. Mahmoud Matahari Karein, Payam Vosoughi, Soroush Isapour, and Moses Karakouzian


Effects of the Mechanical Miling Method on Transport Properties of Self-compacting Concrete Containing Perlite Powder as a Supplementary Cementitious Material, S. Mahmoud Motahari Karein, Alireza Joshaghani, A. A. Ramezanianpour, Soroush Isapour, and Moses Karakouzian


Effects of the Mechanical Milling Method on Transport Properties of Self-Compacting Concrete Containing Perlite Powder as a Supplementary Cementitious Material, S. Mahmoud Motahari Karein, Alireza Joshaghani, A. A. Ramezanianpour, Soroush Isapour, and Moses Karakouzian

Generalised Clusterwise Regression for Simultaneous Estimation of Optimal Pavement Clusters and Performance Models, Mukesh Khadka, Alexander Paz, and Ashok Singh

Microbial Communities in Bakken Region Produced Water, Daniel Lipus, Dhritikshama Roy, Eakalak Khan, Daniel Ross, Amit Vikram, Djuna Gulliver, Richard Hammack, and Kyle Bibby