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Description:: The overall objective of this thesis is to develop a package of high-resolution, non-invasive experimental and numerical approaches to observe in situ pore-scale geometry modification due to colloid deposition, and quantitatively predict its effects on the large-scale transport properties of the porous medium. High-energy synchrotron-based X-ray difference micro-tomography (XDMT) was...
Keyword:: Civil Engineering
Subject:: Civil and Environmental Engineering
Creator:: Cheng Chen
Owner:: Scholarly Digital Publishing
Date Uploaded:: 09/13/2018
Date Modified:: 09/13/2018
Date Created:: 2008-07-22
Resource Type:: Dissertation

Description:: The finite element method is used to investigate failure mechanisms in pin-hanger connections in aging highway bridges. Bridge pins and hangers are typically considered as critical elements whose failure may result in partial or entire collapse of the structure. The primary function of a pin-hanger connection is to allow for...
Keyword:: Civil Engineering
Subject:: Mechanical Engineering
Creator:: David Houcque
Owner:: Scholarly Digital Publishing
Date Uploaded:: 09/10/2018
Date Modified:: 09/10/2018
Date Created:: 2008-05-12
Resource Type:: Dissertation

Description:: An accurate knowledge of the engineering properties of rocks is crucial for a variety of geomechanical problems, ranging from wellbore stability to failure in rock slopes, underground excavations, and crustal faults. While strength and deformation properties are usually obtained from a limited number of in situ and/or laboratory tests, their...
Keyword:: Civil Engineering
Subject:: Civil and Environmental Engineering
Creator:: Shiva Esna Ashari Esfahani
Owner:: Scholarly Digital Publishing
Date Uploaded:: 02/20/2018
Date Modified:: 02/20/2018
Date Created:: 2016-01-01
Resource Type:: Dissertation

Description:: The purpose of the dissertation is to develop a framework for equilibration of activity-trip chain demand in an integrated system of activity scheduling and travel choices within a dynamic network equilibrium framework. Activity-based modeling systems generate detailed activity chain schedules for individuals, which have to be assigned to transportation networks....
Keyword:: Transport, Civil Engineering, Travel Choices, and Engineering
Subject:: Civil and Environmental Engineering
Creator:: Hooram Halat
Owner:: Scholarly Digital Publishing
Date Uploaded:: 02/13/2018
Date Modified:: 02/13/2018
Date Created:: 2016-01-01
Resource Type:: Dissertation

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