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Browsing Theses and Dissertations (Civil and Construction Engineering) by Title

Browsing Theses and Dissertations (Civil and Construction Engineering) by Title

Now showing items 103-122 of 189

Laboratory evaluation of aging for asphalt-aggregate mixtures

Sosnovske, Dan (1994-12-20)

This research was conducted as part of the Strategic Highway Research Program (SHRP) A-003A contract at Oregon State University to validate the findings of SHRP contracts A-002A and A-003B with regard to aging of aspha ...
Laboratory observations and numerical modeling of inner surf and swash zone hydrodynamics on a steep slope

Shin, Sungwon (2005-09-23)
Laboratory observations and numerical modeling of the effects of an array of wave energy converters

Porter, Aaron K. (2012-08-13)

This thesis investigates the effects of wave energy converters (WECs) on water waves through the analysis of extensive laboratory experiments, as well as subsequent numerical simulations. Data for the analysis was collec ...
Laboratory study of chromium sorption and desorption in undisturbed soil

Muller, Heike K. (1992-10-20)
A lagrangian philosophy for plume modeling

Frick, Walter Eugen (1994-05-06)
Load sharing and system factors for light-frame wall systems

Yu, Guangren (2003-01-17)

A considerable amount of research has focused on load-sharing and system effects in repetitive-member wood floor systems subject to transverse loading. However, relatively few studies have been conducted to investigate ...
Local scour at isolated obstacles on river beds

Huang, Cheng-Chang (1990-08-30)

Maximum equilibrium scour depths, equilibrium scour volumes, and induced equilibrium movements at isolated obstacles on river beds were investigated in clear-water scour. The research was achieved by a systematic flum ...
Low volume grade crossing treatments for the Oregon high speed rail corridor

Zaworski, David D. (1996-04-30)

This study defines the information gathering and communication and response needed for safety at highway-rail crossings. It examines technologies for low-cost, high-safety treatments for low volume highway crossings of ...
Mass transfer constraints on the feasability on in situ bioremediation of contaminated groundwater

Fry, Virginia A., 1959- (1994-06-24)
The measurement of nearshore bathymetry on intermediate and dissipative beaches

Côté, Jessica Magee (1999-01-22)

In 1996, Beach et al. first proposed the idea of mounting an echo-sounder on a Waverunner to measure nearshore beach profiles. This thesis discusses the Coastal Profiling System, an extension of the original work, whic ...
Metal and organic emissions from RDF and large volume contributor combustion

Lee, Taejin, 1961- (1992-09-01)

The use of municipal refuse (RDF) as fuels has received widespread attention for reason of its energy equivalence and the increasing lack of available landfill sites. The principal obstacle to the construction of comb ...
Microcosm studies of bioaugmentation with a butane-utilizing mixed culture : microbial community structure and 1,1-DCE cometabolism

Lim, Hee Kyung (2003-02-25)

The 1,1-dichloroethene (1,1-DCE) cometabolic transformation abilities of indigenous and bioaugmented microorganisms were compared in microcosms constructed with groundwater and aquifer solids from the Moffett Field sit ...
Microcosm study of enhanced biotransformation of vinyl chloride to ethylene with TCE additions under anaerobic conditions from Point Mugu, California

Pang, Incheol Jonathan (2000-09-25)

This microcosm study demonstrated the enhanced anaerobic transformation of vinyl chloride (VC) to ethylene. A previous microcosm study from Point Mugu site showed the accumulation of VC due to the slow transformation s ...
A model for simulation of subsurface transport of highway-related water quality constituents

Hesse, Edwin Todd (2001-03-16)

A spreadsheet-based transport model was developed in Microsoft Excel™ as part of a six-year National Cooperative Highway Research Program project conducted at Oregon State University. The model simulated the leaching, ...
Modeling cometabolic transformation of a CAH mixture by a butane utilizing culture

Mathias, Maureen Anne (2002-09-26)

The goal of this research was to mathematically simulate the ability of bioaugmented microorganisms to aerobically cometabolize a mixture of chlorinated aliphatic hydrocarbon (CAH) compounds during in-situ treatment. P ...
Modeling estuary pollution by computer simulation

Grenney, William J. (1970-10-16)

A digital computer model was developed to simulate the time and space distribution of a dissolved pollutant in an estuary. The program is basically a one-dimensional finite-difference model, but two dimensions can be ...
Modeling sediment transport, channel morphology and gravel mining in river bends

Nam, Ilgi (1995-10-19)

A technique is developed and tested to analyze the interaction of flowing water, bed topography, and bedload sediment transport in meandering channels where gravel bars are removed. The method relates the local velocit ...
Modelling, validation and simulation of multi-degree-of-freedom nonlinear stochastic barge motions

Bartel, Warren A. (1996-03-14)

Recent developments in estimation of the survivability of a U.S. Navy transport barge in random seas are extended to improve accuracy. The single Degree-of-Freedom (DOF) model of a extreme roll response of a barge used ...
Molecular analysis of bacterial community dynamics during bioaugmentation studies in a soil column and at a field test site

Li, Jun (2004-06-03)
Multi-metal equilibrium sorption and transport modeling for copper, chromium, and arsenic in an iron oxide-coated sand, synthetic groundwater system

Osathaphan, Khemarath (2001-06-13)

The mixed metal compound, Chromated Copper Arsenate, or CCA, has been widely used as a wood preservative. The metal ions in CCA, CrO²⁻₄, Cu²⁺, and AsO³⁻₄, have been found in contaminated surface and subsurface soils a ...