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Civil and Environmental Engineering Commons™
Open Access. Powered by Scholars. Published by Universities.®
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Articles 31 - 60 of 644
Full-Text Articles in Civil and Environmental Engineering
Economics Of Upgrading Gravel Roads To Otta Seal Surface, Ali Nahvi, Charles T. Jahren, Halil Ceylan, Ali Arabzadeh, Sharif Y. Gushgari, Douglas D. Gransberg
Economics Of Upgrading Gravel Roads To Otta Seal Surface, Ali Nahvi, Charles T. Jahren, Halil Ceylan, Ali Arabzadeh, Sharif Y. Gushgari, Douglas D. Gransberg
Ali Nahvi
Further Insights Into Calcium Sulfoaluminate Cement Expansion, Craig W. Hargis, Barbara Lothenbach, Christian J. Müller, Frank Winnefeld
Further Insights Into Calcium Sulfoaluminate Cement Expansion, Craig W. Hargis, Barbara Lothenbach, Christian J. Müller, Frank Winnefeld
Craig Hargis
Modeling Pesticide Fate And Transport At Watershed Scale Using The Soil & Water Assessment Tool: General Applications And Mitigation Strategies, Ruoyu Wang
Ruoyu Wang
Examining The Effect Of Multiple Route Choice Criteria On Hurricane Evacuation Traffic Through External Validation Of Simulations, Haggai D. Davis Iii
Examining The Effect Of Multiple Route Choice Criteria On Hurricane Evacuation Traffic Through External Validation Of Simulations, Haggai D. Davis Iii
Haggai Davis
No abstract provided.
Bauer Et Al 2019_Evaluating The Impacts Of Acp Management.Pdf, Sarah Bauer
Bauer Et Al 2019_Evaluating The Impacts Of Acp Management.Pdf, Sarah Bauer
Sarah Bauer
No abstract provided.
Call For Abstracts - Resrb 2019, July 8-9, Wrocław, Poland, Wojciech M. Budzianowski
Call For Abstracts - Resrb 2019, July 8-9, Wrocław, Poland, Wojciech M. Budzianowski
Wojciech Budzianowski
No abstract provided.
Effect Of Volcanic Ash Pozzolan Or Limestone Replacement On Hydration Of Portland Cement, Kemal Celik, Craig W. Hargis, Rotana Hay, Juhyuk Moon
Effect Of Volcanic Ash Pozzolan Or Limestone Replacement On Hydration Of Portland Cement, Kemal Celik, Craig W. Hargis, Rotana Hay, Juhyuk Moon
Craig Hargis
Application Of Fly Ash And Brick Dust As A Suitable Materials For Fine Aggregate In Self-Consolidating Concrete, Phani N. Ramamurthy
Application Of Fly Ash And Brick Dust As A Suitable Materials For Fine Aggregate In Self-Consolidating Concrete, Phani N. Ramamurthy
International Scientific Journals
Integrating Multimedia Models To Assess Nitrogen Losses From The Mississippi River Basin To The Gulf Of Mexico, Ruoyu Wang
Ruoyu Wang
Library & Administrative Support For Civil & Environmental Engineering Scholars, Erin Thomas, Kris Stacy-Bates
Library & Administrative Support For Civil & Environmental Engineering Scholars, Erin Thomas, Kris Stacy-Bates
Erin Thomas
As university researchers’ needs for information and research support continue to change over time, it is important for university libraries to assess how well their services fit with the current research environment. Collecting perspectives from scholars in particular fields is a key step in developing and redeveloping library support for research. The Supporting Civil and Environmental Engineering Scholars project was coordinated by Ithaka S+R and sponsored by the American Society of Civil Engineers (ASCE) to explore the research and information needs of scholars in the fields of civil and environmental engineering. All phases of the research process, from idea generation …
Input Uncertainty On Watershed Modeling: Evaluation Of Precipitation And Air Temperature Data By Latent Variables Using Swat, Ruoyu Wang
Ruoyu Wang
The Subject Librarian Newsletter, Engineering And Computer Science, Spring 2018, Buenaventura "Ven" Basco
The Subject Librarian Newsletter, Engineering And Computer Science, Spring 2018, Buenaventura "Ven" Basco
Buenaventura "Ven" Basco
No abstract provided.
The Subject Librarian Newsletter, Engineering And Computer Science, Fall 2017, Buenaventura "Ven" Basco
The Subject Librarian Newsletter, Engineering And Computer Science, Fall 2017, Buenaventura "Ven" Basco
Buenaventura "Ven" Basco
No abstract provided.
Response Spectrum Estimation Using Support Vector Machines, Jale Tezcan, Qiang Cheng, Lincoln Hill
Response Spectrum Estimation Using Support Vector Machines, Jale Tezcan, Qiang Cheng, Lincoln Hill
Qiang CHENG
This study investigates the applicability and efficiency of support vector machines for the problem of estimating the earthquake response spectra from the Fourier amplitude spectra of the ground motion acceleration. Two methods are commonly used for this purpose: time domain simulations, and the random vibration theory. The use of time domain simulations offers high accuracy at high computational cost, while the use random vibration theory, although not computationally intensive, requires knowledge of the statistical distribution of the response amplitudes. This study treats the task of estimating response spectra from the Fourier spectra as a nonlinear regression problem, and constructs a …
Multi-Objective Bayesian Optimization Of Super Hydrophobic Coatings On Asphalt Concrete Surfaces, Ali Nahvi, Ali Arabzadeh, Alireza Sassani, Mohammadkazem Sadoughi, Halil Ceylan
Multi-Objective Bayesian Optimization Of Super Hydrophobic Coatings On Asphalt Concrete Surfaces, Ali Nahvi, Ali Arabzadeh, Alireza Sassani, Mohammadkazem Sadoughi, Halil Ceylan
Ali Nahvi
Ultrasonic Techniques For Air Void Size Distribution And Property Evaluation In Both Early-Age And Hardened Concrete Samples, Shuaicheng Guo, Qingli Dai, Xiao Sun, Ye Sun, Zhen Liu
Ultrasonic Techniques For Air Void Size Distribution And Property Evaluation In Both Early-Age And Hardened Concrete Samples, Shuaicheng Guo, Qingli Dai, Xiao Sun, Ye Sun, Zhen Liu
Zhen Liu
Entrained air voids can improve the freeze-thaw durability of concrete, and also affect its mechanical and transport properties. Therefore, it is important to measure the air void structure and understand its influence on concrete performance for quality control. This paper aims to measure air void structure evolution at both early-age and hardened stages with the ultrasonic technique, and evaluates its influence on concrete properties. Three samples with different air entrainment agent content were specially prepared. The air void structure was determined with optimized inverse analysis by achieving the minimum error between experimental and theoretical attenuation. The early-age sample measurement showed …
Lowest Matric Potential In Quartz: Metadynamics Evidence, Chao Zhang, Yi Dong, Zhen Liu
Lowest Matric Potential In Quartz: Metadynamics Evidence, Chao Zhang, Yi Dong, Zhen Liu
Zhen Liu
The lowest matric potential is an important soil property characterizing the strength of retaining water molecules and a key parameter in defining a complete soil water retention curve. However, the exact value of the lowest matric potential is still unclear and cannot be measured due to the limitation of current experimental technology. In this study, a general theoretical framework based on metadynamics was proposed to determine the lowest matric potential in quartz minerals. The matric potential was derived from partial volume free energy and can be further calculated by the difference between the adsorption free energy and self‐hydration free energy. …
Atomistic‐Scale Investigation Of Effective Stress Principle Of Saturated Porous Materials By Molecular Dynamics, Chao Zhang, Zhen Liu, Peng Deng
Atomistic‐Scale Investigation Of Effective Stress Principle Of Saturated Porous Materials By Molecular Dynamics, Chao Zhang, Zhen Liu, Peng Deng
Zhen Liu
The effective stress principle is one of the most fundamental concepts in the mechanics of porous materials. Several mathematical expressions have been proposed for this fundamental principle, leading to unsettled debates on the validity and applicability of the principle and its mathematical descriptions. Recent developments in atomistic modeling techniques make it possible to understand multiphase systems at the atomistic scale. In this paper, molecular dynamics simulation is explored as a tool to investigate the stress formulation in porous materials. A molecular dynamics framework, including molecular models of phases, interatomic potentials, initial configuration, and simulation procedure, is presented. Numerical simulations based …
Predication Of The Sources Of Particulate Polycyclic Aromatic Hydrocarbons In China With Distinctive Characteristics Based On Multivariate Analysis, Ruoyu Wang
Ruoyu Wang
New Mixture Additives For Sustainable Bituminous Pavements, Gabriel Nsengiyumva, Kommidi Santosh, Yong-Rak Kim, Helan Xu, Yiqi Yang Phd
New Mixture Additives For Sustainable Bituminous Pavements, Gabriel Nsengiyumva, Kommidi Santosh, Yong-Rak Kim, Helan Xu, Yiqi Yang Phd
Gabriel Nsengiyumva
Evaluation Of Testing Methods For Tracking Cipp Liners’ Life-Cycle Performance, Shaurav Alam, John Matthews
Evaluation Of Testing Methods For Tracking Cipp Liners’ Life-Cycle Performance, Shaurav Alam, John Matthews
John C. Matthews
No abstract provided.
Resilience Is A Property Of A System And A Network, Igor Linkov, Benjamin D. Trump, Jeffrey Keisler
Resilience Is A Property Of A System And A Network, Igor Linkov, Benjamin D. Trump, Jeffrey Keisler
Jeffrey Keisler
Dense-Graded Aggregate Base Gradation Influencing Rutting Model Predictions, Issam I.A. Qamhia, Liang Chern Chow, Debakanta Mishra, Erol Tutumluer
Dense-Graded Aggregate Base Gradation Influencing Rutting Model Predictions, Issam I.A. Qamhia, Liang Chern Chow, Debakanta Mishra, Erol Tutumluer
Debakanta Mishra
This paper presents findings from an ongoing research study at the University of Illinois focused on developing and calibrating an improved permanent deformation model for unbound aggregate materials through laboratory testing and characterization. The project scope included testing sixteen aggregate materials, commonly used in the state of North Carolina for pavement base courses, in the laboratory through monotonic and repeated load triaxial testing. This paper primarily focuses on quantifying effects of aggregate gradation on permanent deformation behavior. To accomplish this, four materials were tested at both: (1) “source gradations,” i.e. original gradations from quarry, and (2) an “engineered gradation,” i.e., …
Internet Enabled Remote Driving Of A Combat Hybrid Electric Power System For Duty Cycle Measurement, Jarrett Goodell, Marc Compere, Wilford Smith, Mark Brudnak, Mike Pozolo, Et Al.
Internet Enabled Remote Driving Of A Combat Hybrid Electric Power System For Duty Cycle Measurement, Jarrett Goodell, Marc Compere, Wilford Smith, Mark Brudnak, Mike Pozolo, Et Al.
Marc Compere
This paper describes a human-in-the-loop motion-based simulator interfaced to hybrid-electric power system hardware, both of which were used to measure the duty cycle of a combat vehicle in a virtual simulation environment. The project discussed is a greatly expanded follow-on to the experiment published in [1,7]. This paper is written in the context of [1,7] and therefore highlights the enhancements. The most prominent of these enhancements is the integration (in real-time) of the Power & Energy System Integration Lab (P&E SIL) with a motion base simulator by means of a “long haul” connection over the Internet (a geographical distance of …
The Effect Of Water And Gypsum Content On Strätlingite Formation In Calcium Sulfoaluminate-Belite Cement Pastes, Yeonung Jeong, Craig W. Hargis, Sung-Chul Chun, Juhyuk Moon
The Effect Of Water And Gypsum Content On Strätlingite Formation In Calcium Sulfoaluminate-Belite Cement Pastes, Yeonung Jeong, Craig W. Hargis, Sung-Chul Chun, Juhyuk Moon
Craig Hargis
Evaluation Of The Role Of Driver’S Knowledge Of Who Has The Right-Of-Way Contributes To Interstate On-Ramp Crashes, Deogratias Eustace, Vamsi Krishna Indupuru
Evaluation Of The Role Of Driver’S Knowledge Of Who Has The Right-Of-Way Contributes To Interstate On-Ramp Crashes, Deogratias Eustace, Vamsi Krishna Indupuru
Deogratias Eustace
The knowledge of drivers on who has the right-of-way between the one on mainline lanes of a freeway and the one entering the freeway through on-ramp junction lane was evaluated. In addition, drivers’ opinions on how to make the on-ramp junctions safer were collected. A survey instrument with 21 items requesting drivers’ information in regard with demographics, freeway driving experience, knowledge of right-of-way and merging practices was used for data collection. The results show that crashes are relatively rare events and for some reasons, most of them never happen but result into near misses, which can not be reported and …
Engineering Standards In Highway Design Litigation, Michael Lewyn
Engineering Standards In Highway Design Litigation, Michael Lewyn
Michael E Lewyn
Engineering Standards In Highway Design Litigation, Michael Lewyn
Engineering Standards In Highway Design Litigation, Michael Lewyn
Michael E Lewyn
Harnessing Wastewater For Renewable Energy (2013-2), Aaron Adalja, Chalida U-Tapao
Harnessing Wastewater For Renewable Energy (2013-2), Aaron Adalja, Chalida U-Tapao
Aaron Adalja
This case study explores the options for using wastewater to produce renewable energy in the context of a public wastewater treatment plant. It provides an opportunity for students to synthesize knowledge from resource economics, engineering, environmental science, agriculture, and public policy to develop a transdisciplinary approach to a socio-environmental issue. The case is designed for upper division undergraduate courses in resource economics or environmental engineering, but several modifications are provided graduate course applications. Students assume the role of a newly hired analyst at a consulting firm in Washington, DC, that specializes in renewable energy solutions. They are charged with proposing …
The Girl Scout Climbing Wall Multidisciplinary Service-Learning Project, Margaret Pinnell, Corinne M. Daprano, Gabrielle Williamson
The Girl Scout Climbing Wall Multidisciplinary Service-Learning Project, Margaret Pinnell, Corinne M. Daprano, Gabrielle Williamson
Corinne M. Daprano
The Girl Scout Wall (GS Wall) project was implemented in two classes at the University of Dayton (UD): a Mechanical and Aerospace Engineering (MAE) course, and a Health and Sports Science (HSS) course, and Sport Facility Management. The MAE course, Introduction to Materials, is a three-credit, third-year required course where students learn about the basic structure and properties of materials as well as the principles of material selection. The Sport Facility Management course is a three-semester hour, required HSS course where students are introduced to the processes of planning, constructing, equipping, maintaining, and managing sport facilities.