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Filtering by: Advisor Higgins, Christopher C. Remove constraint Advisor: Higgins, Christopher C.

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Full-Scale Experimental Investigation of the Seismic Capacity of Reinforced Concrete Column-Footing Specimens Retrofitted with Titanium Alloy Bars Considering Effects of Soil-Structure Interaction on Vintage and Retrofitted Column-Footing Specimens

Creator:

McGinn, Logan

Abstract:

Reinforced concrete (RC) column-footing substructures are widely used to support bridges along critical transportation corridors in Oregon. Those built prior to 1971 were typically designed to resist only gravity loads. Therefore, they are vulnerable to damage or collapse during strong ground shaking. To prevent collapse, seismic retrofits have been developed...

Resource Type:

Masters Thesis
Applying climate change information to hydraulic and hydrologic transportation infrastructure

Creator:

Al Naabi, Rawan Y.

Abstract:

Scour is the main cause of bridge failures in the United States. Bridge failures raise a hazard to the safety of the traveling public as well as the massive economic consequences due to the high cost of constructing a new or a replacement bridge. The Oregon Department of Transportation (ODOT)...

Resource Type:

Masters Thesis
Experimental and Analytical Studies of Large-Scale Pile Caps

Creator:

Al-Sakin, Yasmeen

Abstract:

Pile caps are structural elements used to transfer loads from columns to a group of piles, which transfer them to stronger soil layers. Pile cap with horizontal distance between the column and piles less than twice its effective depth is categorized as "deep," where significant nonlinear strain distribution occurs through...

Resource Type:

Dissertation
Seismic Retrofit of Square Reinforced Concrete Bridge Columns using Titanium Alloy Bars

Creator:

Shrestha, Sharoo

Abstract:

There are many aging bridges in service in the US and around the world that were not constructed to modern seismic design codes and standards. As a result, they are expected to perform poorly during intense earthquake ground shaking. Older reinforced concrete (RC) bridges, in particular, are often supported on...

Resource Type:

Dissertation
Structural Effects of Hydraulic Loading and Drainage of Ecoroofs and Preliminary Consideration of Associated Design Loading Scenarios

Creator:

Thompson, Lucas E.

Abstract:

As ecoroofs have become more widespread throughout the U.S., it has become increasingly important to understand their structural behavior. The purpose of this research was to investigate the load effects exerted on a roof structure with an ecoroof during rain events and the subsequent drainage period, with the intention of...

Resource Type:

Capstone Project
Application of Titanium Alloys Bars for Restoration of Historical Structures Considering Alternative Grout Materials

Creator:

Alshimaysawee, Aiyad K.

Abstract:

In the first quarter of the twentieth century, iron was commonly used to provide tensile resistance for preservation and restoration of historical buildings. A major factor contributing to increasing the deterioration and degradation of historic structures is corrosion of ferrous materials. One approach to avoid long-term degradation of iron and...

Resource Type:

Masters Thesis
Direct Shear Interface Friction and Linear Motion Shaking Response of Ecoroofs

Creator:

Kilroy, Kimberly A.

Abstract:

Ecoroofs have become more prominent in recent years. However, there is currently no enforceable standard or building code for the design and construction of ecoroofs across the United States (Kraupa, 2014). Further research is needed to determine how ecoroofs respond to roof motion and to develop an appropriate design standard.The...

Resource Type:

Masters Thesis
Application of Titanium Alloy Bars for Strengthening Reinforced Concrete Bridge Girders in Flexure

Creator:

Vavra, Eric

Abstract:

Structurally efficient and cost-effective solutions are needed to extend the service-life of deficient and aging highway infrastructure around the world. One critical need is to increase the flexural strength of older reinforced concrete (RC) structures to carry heavier and more frequent loads. Titanium alloy bars (TiAB) offer a new opportunity...

Resource Type:

Masters Thesis
Seismic Performance of Aging Prestressed Transmission Pole with Simulated Soil Foundation

Creator:

Argo, Maximo

Abstract:

The Cascadia Subduction Zone has recently been identified as a source for an impending great earthquake. The potential of a large earthquake has created widespread interest into the resiliency of lifelines within the potentially affected areas. One critical lifeline is the electrical distribution and transmission systems which relies on legacy...

Resource Type:

Masters Thesis
Shear strengthening reinforced concrete bridge girders using near-surface mounted titanium alloy bars

Creator:

Knudtsen, Jonathan

Abstract:

Aging and deficient infrastructure has become a major problem throughout the world. This is particularly evident in the case of reinforced concrete (RC) bridges. The cost of replacing these bridges is often prohibitive, thus engineers must find ways to strengthen them. Many older RC bridges predate the modern understanding of...

Resource Type:

Masters Thesis

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Academic Affiliation

Civil and Construction Engineering14
Civil, Construction, and Environmental Engineering11
School of Civil and Construction Engineering11

Advisor

Higgins, Christopher C.[remove]36
Barbosa, Andre R.1
Mason, Henry Ben1
Stuedlein, Armin W.1

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 2003 to 2023

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Committee Member

Scott, Michael H.9
Miller, Thomas H.7
Scott, Michael5
Isgor, Burkan4
Liu, Judy4
more Committee Members »

Creator

Al Naabi, Rawan Y.1
Al Sakin, Yasmeen1
Alshimaysawee, Aiyad K.1
Argo, Maximo1
Barker, Laura1
more Creators »

Contributor

Higgins, Christopher C.3
Barbosa, Andre R.1
Newell, James1
Sorentino, Anthony1
Yu, Kent1

Date

Date range begin – Date range end

Current results range from 2002 to 2023

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Decade

2020-20293
2010-201915
2000-200918

Degree Field

Civil Engineering36

Degree Level

Master's30
Doctoral6

Degree Name

Master of Science (M.S.)30
Doctor of Philosophy (Ph.D.)6

File Format

application/pdf2

Language

English [eng]36

License

All rights reserved33

Non-Academic Affiliation

Oregon State University. Graduate School30

Peer Reviewed

No35

Resource Type

Masters Thesis29
Dissertation6
Capstone Project1

Rights Statement

In Copyright35
Copyright Not Evaluated1

Subject

Concrete beams -- Testing5
Shear (Mechanics)5
Anchorage (Structural engineering)4
Bridges, Concrete -- Maintenance and repair4
Concrete beams -- Maintenance and repair3
more Subjects »

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