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Process engineering to produce defined hierarchical structures of diatoms for wastewater polishing and micropollutant removal
(University of Missouri--Columbia, 2019)
- and nanostructures, as well as removal efficiency of nutrients in a membrane bioreactor (MBR). Second, we determined the changes in morphology and nanostructure of diatoms at different hydraulic retention times (HRTs ranging from 3 h to 24 h). We also developed a...
Organic-inorganic hybrid materials for arsenic adsorption : surface complexation and intraparticle diffusion
(University of Missouri--Columbia, 2020)
performance under different pH conditions, respectively. Surface complexation models (SCM) can be developed to simulate the adsorption performance as a function of pH, arsenic concentrations, and ionic strength. And estimation of important adsorption...
Influence of site conditions on near-field effects in multi-channel surface wave measurements
(University of Missouri--Columbia, 2011)
Geophysical measurements using surface wave methods (SWM) are in widespread use as a means to non-destructively and non-intrusively characterize geotechnical site conditions for a variety of applications. Surface wave ...
Kinetics, mass transfer, and mass re-equilibrium for arsenate adsorption on iron oxide-based carbons
(University of Missouri--Columbia, 2018)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] Removal of arsenic (As) from drinking water sources is much needed worldwide, and small water treatment systems, such as point-of-use (POU) treatment, ...
Exploring the impact of peracetic acid on bacterial regrowth and plasmid release and developing a novel whole-cell biosensor to monitor the expression of quorum sensing genes
(University of Missouri--Columbia, 2018)
of bacterial plasmid DNA; and 4) constructing a novel whole-cell biosensor to monitor the genetic activities of the four QS networks in P. aeruginosa PAO1 simultaneously, namely the las, rhl, pqs, and iqs systems....
Conservation and allocation of slope in gravity sanitary sewer design
(University of Missouri--Columbia, 2010)
Gravity sanitary sewers are traditionally designed in a relatively direct route from source to destination after considering property boundary/easement constraints and topographic features. A methodology is presented in ...
Modeling pedestrian crash severity in St. Louis using random forests and mixed logit techniques
(University of Missouri--Columbia, 2019)
variables using random forests and stepwise logistic regression; and (4) modeled three binary mixed logit models for the aforementioned buffers and a single model for the police data. The goodness of fit for both training and validations sets suggest...
Analysis and design of reinforced concrete wall systems for blast
(University of Missouri--Columbia, 2018)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] Building envelope is the first and most critical line of defense for a structure against external explosion. Building envelope can be divided into two ...
Static and creep response of RC beams strengthened with CFRP
(University of Missouri--Columbia, 2020)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI--COLUMBIA AT REQUEST OF AUTHOR.] The use of carbon fiber reinforced polymers (CFRP) for strengthening and retrofit of existing reinforced concrete members has been proven ...
Axial load transfer in large scale physical model drilled shaft foundations
(University of Missouri--Columbia, 2019)
Drilled shaft foundations are a widely implemented type of deep foundation used to support heavy loads from superstructures such as buildings and bridges. Uncertainties exist in the axial load transfer behavior of drilled ...
Simulation and optimization of low impact development for mitigating combined sewer overflows associated with climate change
(University of Missouri--Columbia, 2019)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Modeling rainfall runoff can help to understand what is happening throughout the system, how can control of water to prevent flood, and how much the ...
Landscape analysis using GIS methodology for the evaluation and prediction of relationships of amphibian health in Missouri wetlands
(University of Missouri--Columbia, 2010)
A new methodology to quantify wetland health is developed using landscape characteristics for 49 wetlands in northern Missouri and relating them to wetland health. Wetland health was defined in this project as the presence ...
Investigation of smart work zone technologies using mixed simulator and field studies
(University of Missouri--Columbia, 2020)
Safety is the top concern in transportation, especially in work zones, as work zones deviate from regular driving environment and driver behavior is very different. In order to protect workers and create a safer work zone ...
Federated multimodal simulators in transportation
(University of Missouri--Columbia, 2019)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] As transportation involves a multiplicity of modes, there is a need to explore multimodal simulators in transportation and the integration of multimodal ...
Determination of the scale of fluctuation of cone penetration test data obtained from an alluvial site in Missouri
(University of Missouri--Columbia, 2018)
To account for uncertainty in geotechnical projects, knowledge of the uncertainties should be understood. Many sources of uncertainties can be reduced with increased sampling and good practices, but due to the nature of ...
Statistical and simulation methods for evaluating stationary and mobile work zone impacts
(University of Missouri--Columbia, 2018)
In 2014, nearly 10% of overall congestion on freeways was due to the presence of work zones (WZs), equivalent to 310 million gallons of fuel loss (FHWA, 2017a). In terms of safety, in the US, every 5.4 minutes, a WZ related crash occurred in 2015...
Reliability-based versus allowable stress design of foundations for the Center for Missouri Studies building
(University of Missouri--Columbia, 2017)
Uncertainty in design parameters is inherent to the field of geotechnical engineering. Allowable stress design has conventionally been used for foundation design and accounts for uncertainty in geotechnical parameters and ...
Load and resistance factor design of drilled shafts subjected to lateral loading at service limit state
(University of Missouri--Columbia, 2018)
Since 2007, the American Association of State Highway Administration Officials (AASHTO) has made utilization of Load and Resistance Factor Design (LRFD) mandatory on all federally-funded new bridge projects (AASHTO, 2007). ...
Monitoring of an urban level spreader as part of the collaborative adaptive management process
(University of Missouri--Columbia, 2020)
Irregular flows, such as the high flows caused by stormwater runoff after a rain event are a major cause of stream impairment in urbanized watersheds. The Hinkson Creek CAM (Collaborative Adaptive Management) approach is ...
Approaches for comparing the structural characteristics of different representations of transportation systems
(University of Missouri--Columbia, 2018)
positional error for Net B ranges from a minimum average distance of 0.012m to a maximum average of 19.996m for a total of 4,694 covered GPS records. Approximately 96.51% of the total GPS points were on average of 10m from their covering arc...