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Filtering by: Committee Member Scholz, Todd Remove constraint Committee Member: Scholz, Todd Rights Statement In Copyright Remove constraint Rights Statement: In Copyright

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Characterization of hydrologic parameters and processes in shrink-swell clay soils

Creator:

Stewart, Ryan D.

Abstract:

Vertisols and other vertic-intergrade soils are found all over the globe, including many agricultural and urban areas. These soils are characterized by their cyclical shrinking and swelling behaviors, where bulk density and porosity distribution both vary as functions of time and/or soil moisture. In turn, alterations in physical soil parameters...

Resource Type:

Dissertation
Paving the way for terrestrial laser scanning assessment of road quality

Creator:

Chin, Abby

Abstract:

With the growing trend in use of 3D laser scanning technology for data collection, it is important to study the various potential applications of this revolutionary technology. One such application is the measurement of road roughness at both large and small scales. At larger extents, terrestrial laser scanning (TLS) is...

Resource Type:

Masters Thesis
The role of alumina in the mitigation of alkali-silica reaction

Creator:

Warner, Skyler J.

Abstract:

The use of fly ash as a supplementary cementitious material (SCM) has increased in the last century due to its various environmental benefits as a recycled product. Within the last 60 years, it has been found that it can be used to effectively control damage induced by Alkali-Silica Reaction. However,...

Resource Type:

Masters Thesis
Alkali-silica reaction in concrete containing recycled concrete aggregates

Creator:

Adams, Matthew P.

Abstract:

Using recycled concrete aggregate (RCA) as a replacement for natural aggregate in new concrete is a promising way to increase the overall sustainability of new concrete. This has been hindered, however, by a general perception that RCA is a sub-standard material due to the lack of technical guidance, specifically related...

Resource Type:

Masters Thesis
Development and decommissioning of small dams : analysis of impact and context

Creator:

Kibler, Kelly Maren

Abstract:

Management of small dams may have profound implications for the health and integrity of small rivers and freshwater diversity. Global indicators suggest future growth in the small hydropower sector, particularly in developing countries. As a renewable energy source, it is often presumed that small hydropower entails fewer and less severe...

Resource Type:

Dissertation
Use of fly ash in the mitigation of alkali-silica reaction in concrete

Creator:

Schwing, Kelsea

Abstract:

Alkali-silica reaction (ASR) is one of the leading causes of concrete deterioration throughout the world, and affects both structural and non-structural elements. Despite strong research efforts since its discovery by Stanton in the late 1930s, this deteriorating reaction is still not clearly understood nor are proper preventative measures effectively applied...

Resource Type:

Masters Thesis
Infiltration and temperature characterization of a wastewater hyporheic discharge system

Creator:

Stewart, Ryan D.

Abstract:

The Clean Water Act imposes Total Maximum Daily Load (TMDL) limits on pollutant concentrations within wastewater effluent; in Oregon, thermal discharge is one of the pollutants subject to regulation. The City of Woodburn, Oregon, funded a series of pilot scale studies to investigate the utility of natural systems to reduce...

Resource Type:

Masters Thesis
Monitoring river restoration using fiber optic temperature measurements in a modeling framework

Creator:

Huff, Julie A.

Abstract:

The Middle Fork of the John Day River (MFJD) in Northeastern Oregon contains important spawning grounds for spring Chinook and summer steelhead of the Columbia River Basin. In the summer of 2008 phase one of a river restoration project was completed which included the addition of engineered log jams (ELJs)...

Resource Type:

Masters Thesis
In-forest log segregation based on acoustic measurement of wood stiffness

Creator:

Amishev, Dzhamal Y.

Abstract:

To remain competitive, the forest products industry needs to look for new and innovative processes and technologies to not only reduce costs but also to recover more value through the entire seedling-to-customer forest products supply chain. It is well recognized that measuring wood properties of logs in real time during...

Resource Type:

Dissertation
Field and laboratory strength analysis of a forest road in NW Oregon and its association with the formation of ruts

Creator:

Bord, Andrea J.

Abstract:

A one-mile section of a newly constructed forest road in Northwest Oregon was analyzed for various aspects of subgrade and surface strength and their association with the formation of ruts during the first hauling season. Field and laboratory tests were completed on the road and the road materials to determine...

Resource Type:

Masters Thesis

Limit your search

Academic Affiliation

Civil and Construction Engineering4
Forest Engineering2

Advisor

Selker, John S.3
Ideker, Jason2
Boston, Kevin1
Ideker, Jason H.1
Murphy, Glen E.1
more Advisors »

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 2007 to 2013

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Committee Member

Scholz, Todd[remove]10
Rochefort, Skip2
Abou Najm, Majdi R.1
Bolte, John1
Cuenca, Richard1
more Committee Members »

Creator

Stewart, Ryan D.2
Adams, Matthew P.1
Amishev, Dzhamal Y.1
Bord, Andrea J.1
Chin, Abby1
more Creators »

Date

Date range begin – Date range end

Current results range from 2006 to 2013

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Decade

2010-20197
2000-20093

Degree Field

Civil Engineering4
Water Resources Engineering4
Forest Engineering2

Degree Level

Master's7
Doctoral3

Degree Name

Master of Science (M.S.)7
Doctor of Philosophy (Ph.D.)3

File Format

application/pdf1

Language

English [eng]10

License

All rights reserved10

Non-Academic Affiliation

Oregon State University. Graduate School10

Peer Reviewed

No9

Resource Type

Masters Thesis7
Dissertation3

Rights Statement

In Copyright[remove]10

Subject

Alkali-aggregate reactions2
Aggregates (Building materials) -- Recycling1
Aluminum oxide1
Clay soils1
Concrete -- Additives1
more Subjects »

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