Scholarly Works, Civil and Environmental Engineering
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Research articles, presentations, and other scholarship
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Standard Propagation Channel Models for MIMO Communication Systems
(Hindawi, 2021-02-16)The field of wireless communication networks has witnessed a dramatic change over the last decade due to sophisticated technologies deployed to satisfy various demands peculiar to different data-intensive wireless applications. ... -
Addressing the Contribution of Indirect Potable Reuse to Inland Freshwater Salinization
(2021-02-02)Inland freshwater salinity is rising worldwide, a phenomenon called the freshwater salinization syndrome (FSS). We investigate a potential conflict between managing the FSS and indirect potable reuse, the practice of ... -
Re‐envisioning stormwater infrastructure for ultrahazardous flooding
(Wiley, 2020-03)Ultrahazardous flooding (UHF) occurs on low relief topography at the foot of mountain catchments and is characterized by rapid-onset, high-velocity flood flows, large fluxes of sediment and debris, and unpredictable flow ... -
Unifying Advective and Diffusive Descriptions of Bedform Pumping in the Benthic Biolayer of Streams
(2020-09-01)Many water quality and ecosystem functions performed by streams occur in the benthic biolayer, the biologically active upper (similar to 5 cm) layer of the streambed. Solute transport through the benthic biolayer is ... -
A One-Dimensional Model for Turbulent Mixing in the Benthic Biolayer of Stream and Coastal Sediments
(2020-12)In this paper, we develop and validate a rigorous modeling framework, based on Duhamel's Theorem, for the unsteady one-dimensional vertical transport of a solute across a flat sediment-water interface (SWI) and through the ... -
Did Municipal Water Distribution System Deficiencies Contribute to a Legionnaires' Disease Outbreak in Quincy, IL?
(2020-12-08)Fifty-eight people were sickened and 12 died from a Legionnaires' disease (LD) outbreak in Quincy, IL, in 2015. The initial outbreak investigation identified deficiencies at the Illinois Veteran's Home (IVHQ), but these ... -
Human exposure to particles at the air-water interface: Influence of water quality on indoor air quality from use of ultrasonic humidifiers
(Elsevier, 2020-07-02)Ultrasonic humidifiers provide indoor relief to symptoms caused by dry air and produce aerosols containing both water and minerals that are present in the water that fills the humidifier. This study investigated the spatial ... -
Replicable simulation of distal hot water premise plumbing using convectively-mixed pipe reactors
(2020-09-16)A lack of replicable test systems that realistically simulate hot water premise plumbing conditions at the laboratory-scale is an obstacle to identifying key factors that support growth of opportunistic pathogens (OPs) and ... -
A new approach for measuring the carbon and oxygen content of atmospherically relevant compounds and mixtures
(2020-09-18)Due to its complexity, gas- and particle-phase organic carbon in the atmosphere is often classified by its bulk physicochemical properties. However, there is a dearth of robust, moderate-cost approaches to measure the bulk ... -
Experimental study on the optimized design of butterfly-shaped dampers
(2021-01)Structural fuses are manufactured from oriented steel plates for use in seismic protective systems to withstand significant lateral shear loads. These systems are designed and detailed for concentrating the damage and ... -
Research Needs, Challenges, and Strategic Approaches for Natural Hazards and Disaster Reconnaissance
(2020-11-10)Natural hazards and disaster reconnaissance investigations have provided many lessons for the research and practice communities and have greatly improved our scientific understanding of extreme events. Yet, many challenges ... -
Natural Hazards Reconnaissance With the NHERI RAPID Facility
(2020-11-11)In 2016, the National Science Foundation (NSF) funded a multi-institution interdisciplinary team to develop and operate the Natural Hazards Reconnaissance Facility (known as the "RAPID") as part of the Natural Hazards ... -
Joint Impact of Rain and Incidents on Traffic Stream Speeds
(Hindawi, 2021-01-11)Unpredictable and heterogeneous weather conditions and road incidents are common factors that impact highway traffic speeds. A better understanding of the interplay of different factors that affect roadway traffic speeds ... -
Adaptive Traffic Signal Control: Game-Theoretic Decentralized vs. Centralized Perimeter Control
(MDPI, 2021-01-03)This paper compares the operation of a decentralized Nash bargaining traffic signal controller (DNB) to the operation of state-of-the-art adaptive and gating traffic signal control. Perimeter control (gating), based on the ... -
Relative Performance of 1-D Versus 3-D Hydrodynamic, Water-Quality Models for Predicting Water Temperature and Oxygen in a Shallow, Eutrophic, Managed Reservoir
(MDPI, 2021-01-03)Many researchers use one-dimensional (1-D) and three-dimensional (3-D) coupled hydrodynamic and water-quality models to simulate water quality dynamics, but direct comparison of their relative performance is rare. Such ... -
An Improved Asphalt Penetration Test Method
(MDPI, 2020-12-31)A traditional penetration test only measures the total penetration within 5 s. The penetration process is not monitored, and therefore, a large amount of information on the deformation properties of asphalt is not used. ... -
Symposium: Butterfly-Shaped Beams Relationship with GEP
(2019)Structural steel plates having engineered cut-outs to exhibit controlled yielding is recently proposed for desirable performance compared to conventional systems. Butterfly-shaped beams with hexagonal cut-outs inside of ... -
Force-displacement behavior of a beam with butterfly-shaped dampers implementing GE programming
(Springer, 2020)Structural steel plates having engineered cut-outs to exhibit controlled yielding is recently proposed for desirable performance compared to conventional systems. Butterfly-shaped beams with hexagonal cut-outs inside of ... -
Unsupervised Identification of Arbitrarily-damped Structures using Time-Scale ICA: Experimental Investigations
(2018-09-14)To identify the dynamic parameters of the structures with sufficient accuracy, a new method is developed and used in this study. In this method, the wavelet-transformed (WT) representation of system responses is conducted ... -
Numerical simulation of a free fall penetrometer deployment using the material point method
(2020-06)Free Fall Penetrometer (FFP) testing consist of a torpedo-shaped body freefalling into a soil target. The use of this type of device is becoming popular for the characterization of shallow sediments in near-shore and ...
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