Browsing Department of Civil Engineering by Title
Now showing items 375-394 of 631
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IMPROVING MULTI-RESERVOIR WATER SUPPLY SYSTEM OPERATION USING ENSEMBLE FORECASTING AND GLOBAL SENSITIVITY ANALYSIS
(2019-05-16)The objective of this research is to improve the cost-effectiveness, reliability and resilience of water supply system operation through the utilization of ensemble forecasting and optimization of the operating policies. ... -
IMPROVING OPERATIONAL HYDROLOGIC FORECASTING VIA CONDITIONAL BIAS-PENALIZED MULTI-SENSOR PRECIPITATION ESTIMATION AND MULTI-MODEL STREAMFLOW PREDICTION
(2021-05-09)Many multivariate analysis techniques involve minimizing mean square error (MSE) or error variance under unbiasedness. In the presence of observation error, variance minimization tends to introduce negative and positive ... -
Improving Post Processing of Ensemble Streamflow Forecast for Short-to-long Ranges: A Multiscale Approach
(2019-08-30)A novel multi-scale post-processor for ensemble streamflow prediction, MS-EnsPost, and a multiscale probability matching (MS-PM) technique for bias correction in streamflow simulation are developed and evaluated. The MS-PM ... -
Improving Probabilistic Quantitative Precipitation Forecasting Using Machine Learning and Statistical Postprocessing Methods
(2021-12-09)The objective of this research is to address the limitations inherent in conventional statistical postprocessing schemes to generate probabilistic quantitative precipitation forecasts (PQPFs) and improve postprocessed ... -
Improving Productivity Of Tunnel Boring Machines
(Civil & Environmental Engineering, 2013-07-22)Tunneling with tunnel boring machines (TBMs) is one of the most mechanized and sophisticated processes within the construction industry. However, there are risks when venturing down several hundred feet where the conditions ... -
IMPROVING THE ANALYSIS AND PREDICTION OF COASTAL FLOODING DURING HURRICANE LANDFALLS THROUGH COUPLED AND INTEGRATED MODELING
(2022-12-19)**Please note that the full text is embargoed until 12/16/2024** ABSTRACT: As the intensity and frequency of landfalling tropical storms are likely on the rise in a warming climate, coastal communities are increasingly ... -
Improving the Rainfall and Flood Frequency Analyses Using Stochastic Storm Transposition Method
(2015-12-14)Reproduction and realization of historical rainfall events provides foundations for flood and rainfall frequency analyses and the advancement of meteorological studies. Stochastic storm transposition (SST) is a method for ... -
IMPROVING WATER QUALITY FORECASTING USING DATA ASSIMILATION
(2015-12-08)Population growth increases agricultural, industrial and human activities which threaten the quality of water resources, especially water supply sources such as lakes and reservoirs. In potentially high-impact situations ... -
In-Service Performance Evaluation of Fire and Impact Damaged Bridges with CFRP Laminate Strengthening
(2018-08-09)Fire events and impact damage on bridges are few of the least understood of common extreme events. Bridge infrastructures that are subjected to hazards such as fire or impact from over height vehicle can catastrophically ... -
INFILTRATION STUDY USING TDR TECHNIQUES
(2016-08-14)The study of water flow or infiltration in an unsaturated soil is a highly non-linear and complex problem, simultaneous verification of field and laboratory results is a convenient and practical approach to test the results. ... -
Integrated Evaluation of Greenhouse Gas Emissions, Traditional Air Pollutants, and Economics of Three Types of Landfills
(2016-08-26)Despite the decreasing rate of landfilled waste due to increases in reuse and recycling, landfilling remains an enormous part of the waste industry of the United States due to population and economic growth. In addition, ... -
INTEGRATED MODELING OF STORM DRAIN AND NATURAL CHANNEL NETWORKS FOR REAL-TIME FLASH FLOOD FORECASTING AND STORMWATER PLANNING AND MANAGEMENT IN LARGE URBAN AREAS
(2017-08-09)Urban flash flooding is a serious problem in large highly populated areas such as the Dallas–Fort Worth metroplex (DFW). Being able to monitor and predict flash flooding at a high spatiotemporal resolution is critical to ... -
Integrating Environmental Contamination Perceptions of Artisanal and Small-Scale Mining into Environmental Responses across Spatial Scales
(2022-08-10)**Please note that the full text is embargoed until 8/10/2024** ABSTRACT: Artisanal and small-scale gold mining (ASGM) is of significant interest to the international research community, government officials, and ... -
INVESTIGATION AND PROPOSED REMEDY OF VIBRATION PROBLEM IN INDUSTRIAL CRANE SYSTEM DUE TO HUMAN OPERATION
A recent investigation of a crane system began when a facilities manager reported a runway beam under-going torsional vibration during operations. The investigation revealed the runway beam’s twisting was caused by resonance ... -
Investigation of an association between childhood leukemia incidences and airports in Texas
(Turkish National Committee for Air Pollution Research and Control (TUNCAP)Department of Civil Engineering, The University of Texas at Arlington, 2014)As worldwide demand for air travel increases, emissions from airports will likely also increase. Airport emissions pose a concern due to lack of information about their quantity and impacts on human health and the ... -
Investigation Of Bamboo As Reinforcement In Concrete
(Civil & Environmental Engineering, 2007-08-23)This study investigated the feasibility of using bamboo as a reinforcement alternative to steel in concrete structural members. The specifications studied were the bamboo's tensile strength and its pullout characteristics ... -
Investigation Of Co-pyrolysis Between Sargassum Macroalgae And Polystyrene
(Civil & Environmental Engineering, 2012-07-25)Biomass is one source of renewable energy which helps minimize greenhouse gas (GHG) emissions, specifically carbon dioxide (CO2), since biomass utilizes CO2 via photosynthesis. Various conversion processes are applied to ... -
An Investigation Of Durability And Reliability Of HDPE Pipe For Large Diameter Water Transmission Applications
(Civil & Environmental Engineering, 2014-12)The drinking water infrastructure in the North America requires a durable and reliable water transmission pipe material. Thus, it is important to study pipe performance, so that water utilities can benefit from cost-effective ... -
INVESTIGATION OF FIBER-REINFORCED CONCRETE CRACK WIDTH MEASUREMENT BY FINITE ELEMENT METHOD
(2016-12-21)This study presents numerical and experimental investigations of flexural cracking, post-cracking strength, and fracture energy of the dry-cast synthetic fiber reinforced concrete (FRC). Notched and un-notched beams for ... -
INVESTIGATION OF GAS- AND LIQUID-PHASE SEWER ENVIRONMENTAL FACTORS LEADING TO MICROBIALLY-INDUCED CONCRETE CORROSION
(2019-05-14)Sewer systems are a principal element of infrastructure in modern cities, accounting for massive amounts of public investments made over many decades and can be considered as an asset of the nation. Many concrete manholes ...