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Filtering by: Creator Stewart, Hugh J. Remove constraint Creator: Stewart, Hugh J. Academic Affiliation School of Civil and Construction Engineering Remove constraint Academic Affiliation: School of Civil and Construction Engineering Degree Field Civil Engineering Remove constraint Degree Field: Civil Engineering

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A Methodological Approach for Structural Health Monitoring of Mass-Timber Buildings Under Construction

Creator:

Baas, Esther J.

Abstract:

As mass-timber building construction rises around the globe, there exists the need to verify the long-term, in-situ behavior and performance of these structural systems. Structural health monitoring (SHM), generally defined as a damage detection strategy consisting of a network of sensors, a data acquisition system, and algorithms for data analysis,...

Resource Type:

Masters Thesis

Full Text:

AN ABSTRACT OF THE THESIS OF Esther J. Baas for
New Techniques to Monitor and Characterize Landslide Behavior and Controls Using Digital Terrain Models

Creator:

Senogles, Andrew

Abstract:

Coastal landslides and erosion are major natural hazards resulting in unstable slopes, constituting immense challenges to modern infrastructure. Developing, maintaining, and performing risk assessments of infrastructure on, or close to, these hazards require a detailed understanding of the geophysical processes destabilizing the slope. These efforts start with the collection of...

Resource Type:

Dissertation

Full Text:

J. Olsen Ben Leshchinsky Coastal landslides and erosion are major natural hazards resulting
Factors controlling halogenated and nonhalogenated alkene growth substrate range of vinyl chloride-utilizing bacteria

Creator:

Taylor, Anne Elizabeth

Abstract:

This thesis explores the factors limiting the alkene substrate range of the vinyl chloride (VC)-utilizing bacteria, and describes a method for measuring VC transformation in situ. Vinyl fluoride (VF) was evaluated as a surrogate for monitoring aerobic VC-transformation utilizing three isolates, Mycobacterium EE13a, Mycobacterium JS60 and Nocardioides JS614. JS614 grew...

Resource Type:

Dissertation

Full Text:

my husband Stewart for always encouraging and supporting my educational endeavors and
Electron donor and chlorinated ethene effects on activity and community composition in anaerobic reductively dechlorinating consortia

Creator:

Sabalowsky, Andrew R.

Abstract:

This research focused on anaerobic transformation of trichloroethene (TCE), a groundwater contaminant. The mixed anaerobic Evanite culture (EV) was studied to determine community behavior and composition responses to different electron donors and chloroethene electron acceptors. The potential toxicity from high concentrations of TCE and its daughter product cis-1,2-dichloroethene (cDCE) was...

Resource Type:

Dissertation

Full Text:

(Harrison et al., 2007; Stewart and Costerton, 2001; Walters et al., 2003). Such comparisons can supply
Development of a Reliability-Based Framework and Empirical Models for Justifying Allowable Chloride Limits and Quantifying Critical Input Variables for Predicting the Service Life of Reinforced Concrete Structures

Creator:

Shakouri Hassanabadi, Mahmoud

Abstract:

Significant progress has been made over the past 20 years in developing models to estimate the service-life of reinforced concrete systems. The basic understandings of the mechanisms that control the transport of ions and moisture in concrete systems have been well researched and models for determining corrosion initiation, specifically chloride-induced...

Resource Type:

Dissertation

Full Text:

diffusion coefficient at time tref equal to 28 days, U is activation energy of diffusion process (35,000 J
Lidar-based Post-earthquake Pavement Damage Classification System

Creator:

Shakya, Suzanna

Abstract:

3D laser scanning has been used extensively in engineering reconnaissance surveys to capture perishable data in an efficient, reliable, and precise manner. Many insights on damage can be obtained from the data through various methods of post-processing; however, many of these techniques are often labor intensive. This delay reduces the...

Resource Type:

Masters Thesis

Full Text:

: _____________________________________________________________________ Michael J. Olsen Tracy L. Arras 3D laser scanning has been used extensively in
The influence of seismic attack and chloride-induced corrosion on a life cycle inventory assessment of different concrete mixtures

Creator:

Christiansen, Joshua W.

Abstract:

The life cycle assessment (LCA) process is a systematic approach to determining the environmental impacts of different products and processes. LCA is a relative approach that requires functional equivalence for the results to be compared. A method is presented that achieves functional equivalence by equating the reliability indexes being compared....

Resource Type:

Masters Thesis

Full Text:

model for corrosion is based off of the model presented by Stewart and Rosowsky (1998), which will be
Modeling shallow-water hydrodynamics : rotations, rips, and rivers

Creator:

Long, Joseph W.

Abstract:

Hydrodynamic models are used as a diagnostic tool to understand the temporal variability of shallow-water processes that are difficult to completely resolve with traditional field measurements. For all simulations, modeled quantities are qualitatively or quantitatively compared with available measurements to gain confidence in conclusions derived from the modeled results. In...

Resource Type:

Dissertation

Full Text:

Research, 109, C02,026, doi:10. 1029/2003JC001798. Long, J. W., and H. T. Özkan-Haller (2005), Offshore
Opportunities and challenges for decision support systems in log truck scheduling and dispatching

Creator:

Kokenge, Kyler S.

Abstract:

The transportation of logs from the forest to the mill accounts for 25-50% of the delivered cost of wood, depending mostly on haul distance. Decision support systems (DSS) for log truck scheduling and dispatching have the potential to reduce transportation costs by optimally constructing routes, also known as schedules for...

Resource Type:

Masters Thesis
Evaluating safety at Oregon‘s isolated, high-speed, signalized intersections

Creator:

Kopper, Neil H.

Abstract:

Isolated approaches at signalized intersections with posted speed limits of 45 mph or greater generally experience large numbers of rear-end and angle collisions. A combination of less attentive drivers, high operating speeds, and less than ideal intersection characteristics can result in crash frequencies well above expected rates. A number of...

Resource Type:

Masters Thesis

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Academic Affiliation

School of Civil and Construction Engineering[remove]17
Forest Engineering Resources and Management1
Wood Science and Engineering1

Advisor

Ozkan Haller, H. Tuba2
Semprini, Lewis2
Arras, Tracy1
Barbosa, Andre R.1
Brabosa, Andre R.1
more Advisors »

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 2009 to 2023

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Committee Member

Kennedy, Timothy C.3
Bottomley, Peter J.2
Albertani, Roberto1
Arp, Daniel J.1
Bailey, Mike J.1
more Committee Members »

Creator

Baas, Esther J.1
Buniya, Mustafa Kamil1
Christiansen, Joshua W.1
Guannel, Gregory E.1
Hamutcuoglu, Osman Murat1
more Creators »

Date

Date range begin – Date range end

Current results range from 2008 to 2023

View distribution

Decade

2020-20294
2010-20197
2000-20096

Degree Field

Civil Engineering[remove]17
Forest Engineering1
Wood Science1

Degree Level

Doctoral10
Master's7

Degree Name

Doctor of Philosophy (Ph.D.)10
Master of Science (M.S.)7

Language

English [eng]17

License

All rights reserved17

Non-Academic Affiliation

Oregon State University. Graduate School11

Peer Reviewed

No17

Resource Type

Dissertation10
Masters Thesis7

Rights Statement

In Copyright17

Subject

Alkenes -- Metabolism1
Big data1
Bridge failures -- Prevention -- Mathematical models1
Bridges -- Design and construction -- Mathematical models1
Bridges -- Live loads -- Testing -- Mathematical models1
more Subjects »

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