RSS 1.0Department of Civil and Environmental Engineering (MU)
Civil engineering, considered one of the oldest engineering disciplines, encompasses many specialties. The major ones are structural, water resources, construction, environmental, transportation, and geotechnical engineering. Environmental engineers develop solutions to environmental problems using the principles of biology and chemistry. Many environmental engineers work as consultants, helping their clients to comply with regulations, to prevent environmental damage, and to clean up hazardous sites.
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Resource recovery through simultaneous denitrification and fermentation in engineered anaerobic systems
(University of Missouri--Columbia, 2024)[EMBARGOED UNTIL 08/01/2025] Anaerobic digestion (AD) is widely used to process organic waste and is a promising platform for producing bioenergy and biomaterials. However, the final product of the conventional AD process ... -
Glass curtain wall and anchorage system response under blast loading
(University of Missouri--Columbia, 2024)[EMBARGOED UNTIL 08/01/2025] Extreme events, such as blasts, pose a severe threat to a building's structural integrity. The building envelope serves as the primary defense against external explosions. Blast hazards continue ... -
Spatial big data analysis and artificial intelligence applications for transportation safety and network systems optimization
(University of Missouri--Columbia, 2024)In an era of rapid urbanization and increasing mobility, transportation safety and efficient network systems are paramount for sustainable urban development. This dissertation delves into the intersection of spatial big ... -
Dry thermal air degradation and pyrolysis of per-and polyfluoroalkyl substances in spent media and other solid materials
(University of Missouri--Columbia, 2024)Per- and polyfluoroalkyl substances (PFAS) are synthetic chemicals that have been manufactured for decades, serving as processing aids and key components in numerous industrial and commercial products such as aqueous ... -
Constitutive model calibration for the thermal viscoelastic properties of laminated glass interlayer materials
(University of Missouri--Columbia, 2024)[EMBARGOED UNTIL 05/01/2025] The use of blast-resistant glazing such as laminated glass in buildings can greatly reduce, if not eliminate, the hazard of flying glass shards. In a failure event, fractured glass shards adhere ... -
Cold-formed steel roof truss systems response under static loading
(University of Missouri--Columbia, 2024)[EMBARGOED UNTIL 05/01/2025] The exterior envelope is the most vulnerable component of a building to an external explosion hazard because it is part of the building closest to the source of the hazard. As part of the ... -
Sustainable bacteria-based self-healing fiber reinforced concrete
(University of Missouri--Columbia, 2024)[EMBARGOED UNTIL 05/01/2025] Self-healing concrete presents an innovative and eco-friendly solution with the potential to reduce maintenance costs through self-activated crack repair. This study examined the effect of ... -
Using DIC for intermediate bent restraint of MoDOT prestressed bridges
(University of Missouri--Columbia, 2024)This thesis investigates the use of digital image correlation (DIC) techniques to capture bridge deflections and rotations in order to validate a finite element model (FEM) of the same bridge. The Missouri Department of ... -
A comparative study between solid, porous, and equivalent homogenous truss structures with embedded metamaterials
(University of Missouri--Columbia, 2023)Metamaterials are a class of engineered materials with various microstructures that can achieve properties unattainable with conventional materials. For instance, inspired by natural materials such as bees' honeycombs and ... -
Full-scale glass curtain wall systems under quasi-static loading
(University of Missouri--Columbia, 2023)[EMBARGOED UNTIL 12/01/2024] Extreme events such as blasts can cause severe damage to the structural integrity of the building. Today, glass curtain wall (CW) systems are very popular facade solutions for government, ... -
Risk-based life expectancy of highway guard cables
(University of Missouri--Columbia, 2023)[EMBARGOED UNTIL 12/01/2024] Starting in the mid-late 2000's, Missouri began phasing out low-tension cable barriers in favor of proprietary high-tension cable systems due to the improved safety characteristics of high-tension ... -
Characteristics of mean flow and turbulence in bubble plumes
(University of Missouri--Columbia, 2023)Bubble plumes are phenomenon when bubbles enter water continually and move through the water column, which is widely seen in both natural environment and industry. This dissertation investigates bubble plumes from different ... -
GIS-based analysis of environmental justice and compound natural hazards in the built and natural environment
(University of Missouri--Columbia, 2023)Infrastructure design connects people and the built environment with the natural world; thus, accessible, equitable, and sustainable infrastructure is critical for community resilience. As changing climate patterns present ... -
A phase-field formulation for fracture modeling of quasi-brittle and rate- and temperature-dependent materials
(University of Missouri--Columbia, 2023)This thesis focuses on the development and application of the phase-field method for fracture modeling of brittle, quasi-brittle, and viscoelastic materials. The study begins with a comprehensive review of the existing ... -
Edge computing - enabled road condition monitoring : system development and evaluation
(University of Missouri--Columbia, 2023)Real-time pavement condition monitoring provides highway agencies with timely and accurate information that could form the basis of pavement maintenance and rehabilitation policies. Existing technologies for pavement ... -
Blast response of structural envelope elements : LG windows and CFS roof trusses
(University of Missouri--Columbia, 2023)[EMBARGOED UNTIL 5/1/2025] Building safety continues to be a concern due to the increasing number of explosion threats targeting civilian and government buildings. Building envelope elements, such as walls, windows, and ... -
Experimental study of cold formed steel roof truss connections
(University of Missouri--Columbia, 2023)Cold-formed steel (CFS) roof trusses are commonly used due to their cost effectiveness, reliability, and high stiffness to weight ratio. To increase the effectiveness of these widely used trusses, the overall research ... -
Evaluation of an autonomous truck mounted attenuator system in work zones
(University of Missouri--Columbia, 2023)Improving work zone safety is a priority for state and local transportation agencies. Mobile and slow-moving operations experience another threat in the form of errant vehicles crashing into the truck mounted attenuator ... -
Multi-headed self-attention mechanism-based Transformer model for predicting bus travel times across multiple bus routes using heterogeneous datasets
(University of Missouri--Columbia, 2023)Bus transit is a crucial component of transportation networks, especially in urban areas. Bus agencies must enhance the quality of their real-time bus travel information service to serve their passengers better and attract ... -
Evaluation of the Rapid Rutting Test and High Temperature Indirect Tensile Test for practical use in asphalt mix design, quality assurance, and quality control
(University of Missouri--Columbia, 2023)The asphalt industry has a large number of mixture performance tests available to evaluate a mix design's ability to withstand typical pavement distresses. Some of these tests are widely used whereas others tend to fall ...