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


Submissions from 2019

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

Seismic Performance of Axially Restrained Reinforced Concrete Frame Beams, Liping Wang, Ying Tian, Wenwen Luo, and Guichen Li


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

A Modified Cyclic Constitutive Model for Engineered Cementitious Composites, Xiaopeng Li, Xiaoyong Zhou, Ying Tian, and Mo Li

Relationship between Project Performance and Contract Procurement Factors for Design-Bid-Build Texas Highway Projects, Ruiko Maharjan and Pramen P. Shrestha

Assessing High School Science Teachers’ Nature of Engineering (NOE) Perceptions with an Open-ended NOE Instrument (Fundamental), Erica J. Marti, Erdogan Kaya, Hasan Deniz, and Ezgi Yesilyurt

Financial Management of a Hypothetical Water Network Using System Dynamics, Gaurang Mistry, Ajay Kalra, and Sajjad Ahmad

Synthesis, Characterization, and Kinetic Study of Activated Carbon Modified by Polysulfide Rubber Coating for Aqueous Hexavalent Chromium Removal, Soroosh Mortazavian, Ali Saber, Jaeyoung Hong, Jee-Hwan Bae, Dongwon Chun, Nicolas Wong, Daniel Gerrity, Jacimaria Batista, Kwang J. Kim, and Jaeyun Moon

Alkali-activated Natural Pozzolan/slag Concrete: Fresh and Strength Properties, Meysam Najimi and Nader Ghafoori

Modeling Chloride Penetration in Self-consolidating Concrete Using Artificial Neural Network Combined with Artificial Bee Colony Algorithm, Meysam Najimi, Nader Ghafoori, and Mehdi Nikoo


Comparative Study of Alkali-Activated Natural Pozzolan and Fly Ash Mortars, Meysam Najimi, Nader Ghafoori, Brittany Radke, Kimberly Sierra, and MohammedReza Sharbaf

Alkali-activated Natural Pozzolan/Slag Mortars: A Parametric Study, Meysam Najimi, Nader Ghafoori, and Mohammadreza Sharbaf


Climate Change and Eutrophication: A Short Review, Mohammad Nazari-Sharabian, Sajjad Ahmad, and Moses Karakouzian

Flood Frequency Analysis Using Generalized Extreme Value Distribution and Floodplain Mapping for Hurricane Harvey in Buffalo Bayou, Narayan Nyaupane, Swastik Bhandari, Md. Mafuzur Rahaman, Kyle Wagner, Ajay Kalra, and Sajjad Ahmad


Evaluating Future Flood Scenarios using CMIP5 Climate Projections, Narayan Nyaupane, Balbhadra Thakur, Ajay Kalra, and Sajjad Ahmad

Quantitative Stable Isotope Probing with H2 18O Reveals that most Bacterial Taxa in Soil Synthesize New Ribosomal RNA, Katerina Papp, Rebecca L. Mau, Michaela Hayer, Benjamin J. Koch, Bruce A. Hungate, and Egbert Schwartz


mRNA, rRNA and DNA Quantitative Stable Isotope Probing with H218O Indicates Use of Old rRNA among Soil Thaumarchaeota, Katrina Papp, Bruce A. Hungate, and Egbert Schwartz


Sensor-Based Safety Performance Assessment of Individual Construction Workers, JeeWoong Park, Yong K. Cho, and Ali Khodabandelu

Integrated System for Collecting and Reporting Crash and Citation Data, Alexander Paz, Cristian Arteaga, and Carlos Gaviria


Experimental Study of Dynamic Progressive Collapse in Flat-Plate Buildings Subjected to an Interior Column Removal, Zhonghua Peng M.ASCE, Sarah L. Orton M.ASCE, Jinrong Liu M.ASCE, and Ying Tian M.ASCE


Methods of Dropping Auxiliary Lanes at Freeway Weaving Segments, Yi Qi, Yubian Wang, Xiaoming Sammy Chen, Ruey Long Cheu, Lei Yu, and Hualiang Teng

2D Hydrodynamic Model for Flood Vulnerability Assessment of Lower Indus River Basin, Pakistan, Moazzam Ali Rind, Kamran Ansari, Rubab Saher, Sailuj Shakya, and Sajjad Ahmad

Phenol Inhibition Of Dissolved Organic Nitrogen Biodegradation In Wastewater, Chaiwat Rongsayamanont, Piyamart Khongkhaem, Ekawan Luepromchai, and Khan Eakalak


A Multiobjective Bilevel Approach Based On Global-Best Harmony Search for Defining Optimal Routes and Frequencies for Bus Rapid Transit Systems, Edgar Ruano-Daza, Carlos Cobos, Jose Torres-Jimenez, Martha Mendoza, and Alexander Paz

Effects of Seasonal Fluctuations of Surface Heat Flux and Wind Stress on Mixing and Vertical Diffusivity of Water Column in Deep Lakes, Ali Saber, David E. James, and Donald F. Hayes

Enhanced Machine Learning Classification Accuracy for Scaffolding Safety using Increased Features, Sayan Sakhakarmi, JeeWoong Park, and Chunhee Cho

Life-Cycle Cost Comparison of Cement Concrete and Polymer Concrete Manholes Used in Sewer Systems, Sayan Sakhakarmi, Pramen Shrestha, and Jacimaria Batista


Laboratory Study and Mathematical Modeling of a Novel Marsh Shoreline Protection Technology for Sand Collection, Salman Sakib, Daniel Gang, Grant Besse, Bao-bao Tang, Nicholas McCoy, and Donald Hayes

Biological Reduction of Nitrate and Perchlorate in Soil Microcosms: An Electron Donor Comparison of Glycerol, Emulsified Oil, and Mulch Extract, Mayra Sarria, John Michael Gonzales, Daniel Gerrity, and Jacimaria Batista

A Dynamic Simulation Approach to Analyze Hydro-Electric Energy Production under Variable Flow and Demand Conditions, Sailuj Shakya, Ajay Kalra, and Sajjad Ahmad

A Potential Framework for Exploiting the Benefits of High-Toughness Steel, Ryan J. Sherman, William N. Collins, and Robert J. Connor

Development of a Fatigue Design Load for High-Mast Lighting Towers, Ryan J. Sherman PhD, PE, M.ASCE and Robert J. Connor PhD, M.ASCE

Maintenance Practices for Chloride-Induced Corrosion in Reinforced-Concrete Bridge-Pier Columns, Pramen P. Shrestha and Dinesh Dhakal


Effects of Change Orders on Cost Growth, Schedule Growth, and Construction Intensity of Large Highway Projects, Pramen P. Shrestha and Ruiko Maharjan

Effects of Change Orders with Cost Growth, Schedule Growth, and Construction Intensity of Large Highway Projects, Pramen P. Shrestha and Ruiko Maharjan

Performance of Design-Build and Construction Manager-at-Risk Methods in Water and Wastewater Projects, Pramen P. Shrestha, Ruiko Maharjan, and Jacimaria Batista

Contributing Factors to the Punch-List Problem: A Case Study from a High-Rise Tower Project in Southern Nevada., Pramen P. Shrestha, Adolfo R. Rabasto, and Binit K. Shrestha

Types and Factors Affecting Injury Rates of Mechanical Contractors, Pramen P. Shrestha, Kishor Shrestha, and Eric Becerra

Effect of Change Orders on Cost and Schedule Overruns of School Building Renovation Projects, Pramen P. Shrestha Ph.D., P.E., M.ASCE and Haileab Zeleke

Application of GIS and Remote Sensing for Identification of Potential Runoff Harvesting Sites: A Case Study of Karoonjhar Mountainous Area, Pakistan, Altaf A. Siyal, Dhanji M. Misrani, Ghulam H. Dars, and Sajjad Ahmad


Trend Analysis of Las Vegas Land Cover and Temperature Using Remote Sensing, Haroon Stephen

Developing and testing a LED system to improve pedestrian safety in Nevada, Hualiang Teng, Bingyi Hu, and Boniphace Kutela


Management of an Urban Stormwater System Using Projected Future Scenarios of Climate Models: A Watershed-Based Modeling Approach, Ranjeet Thakali, Ajay Kalra, Sajjad Ahmad, and Kamal Qaiser

Exploring cCHE2D and its Sediment Modelling Capabilities, Balbhardra Thakur, Ranjan Parajuli, Ajay Kalra, and Sajjad Ahmad


Risk Assessment of Human Exposure to Ra-226 in Oil Produced Water from the Bakken Shale, Luisa Torres, Om Prakash Yadav, and Eakalak Khan

Effects of Axial Restraint on Seismic Performance of R/C Frame Beams and Beam-Column Joints, Liping Wang, Ying Tian, Wenwen Luo, Guichen Li, Wei Zhang, and Siwei Liu


Seismic Performance of Precast Composite Shear Walls Reinforced by Concrete-filled Steel Tubes, Liwei Wu, Ying Tian, Youpo Su, and Haibin Chen

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.


Load Transfer and Collapse Resistance of RC Flat Plates under Interior Column Removal Scenario, Huizhong Xue, Benoit P. Gilbert, Hong Guan, Xinzheng Lu, Yi Li, Fuhao Ma, and Ying Tian M.ASCE

Adaptive Signal Processing for BLE-based Sensors for Construction Proximity Applications, Xiaoyu Yang, Jee Woong Park, and Yong K. Cho

Performance-Based Optimal Seismic Design of Multi-Story RC Frame Buildings, Chunyu Zhang and Ying Tian

Submissions from 2017


Quantifying pathogen risks associated with potable reuse: A risk assessment case study for Cryptosporidium, E Amoueyan, S Ahmad, J N.S. Eisenberg, B Pecson, and D Gerrity