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Filtering by: Committee Member Bell, Chris A. Remove constraint Committee Member: Bell, Chris A. Resource Type Dissertation Remove constraint Resource Type: Dissertation

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Roundabout Safety: Econometric and Machine Learning Models and Applications

Creator:

Zubaidi, Hamsa AN

Abstract:

The rapid growth in the number of roundabouts raises some significant research challenges, especially around safety performance and evaluation in the U.S. Despite the safety advantages that roundabout geometric design brings, crashes still occur. While operationally roundabouts are good at preventing severe crashes, they may lead to more less severe...

Resource Type:

Dissertation
Unobserved Heterogeneity and Spatial Correlation: Statistical and Econometric Analyses of Heavy-Vehicle Hard Braking and Crash Frequency by Crash Type

Creator:

Anderson, Jason C.

Abstract:

This dissertation provides a comparison of statistical and econometric frameworks, using a previously unused freight data source, to study crash frequency by crash type and heavy-vehicle hard braking in Oregon. Hard braking can serve as a proxy for several factors, one of which is safety. Therefore, with the hard braking...

Resource Type:

Dissertation
Modeling Unobserved Heterogeneity and the Injury Severities of Truck Drivers in Run-Off-Road (ROR) Crashes: Econometric Methods and Applications

Creator:

Al-Bdairi, Nabeel Saleem Saad

Abstract:

Recent statistics regarding large truck crashes reveal that fatality rates of large trucks per 100 million vehicle miles traveled (VMT) and fatality rates per 1,000 registered vehicles are higher than those for passenger vehicles. These statistics underscore the need for greater efforts by safety professionals to help mitigate the impacts...

Resource Type:

Dissertation
Chemical transformation of rice husk ash for sustainable, constructable, and durable binary cementitious system

Creator:

Prasittisopin, Lapyote

Abstract:

The production of cement and concrete results in the production of large amounts of CO₂ emissions which can have significant negative environmental impacts. Using supplementary cementing materials (SCMs) as a cement replacement is an effective solution to reduce these negative environmental impacts, as most SCMs are waste by-products from other...

Resource Type:

Dissertation
Selection and performance evaluation of a test method to assess thermal cracking resistance of asphalt-aggregate mixtures

Creator:

Jung, Duhwoe

Abstract:

Thermal distress in asphalt concrete pavements is a widespread problem around the world. Thermal cracking can be divided into two modes of distress: low temperature cracking and thermal fatigue cracking. Low temperature cracking results from extremely cold temperatures; thermal fatigue cracking results from daily temperature cycles. Low temperature cracking is...

Resource Type:

Dissertation
Prediction of low temperature cracking of asphalt concrete mixtures with thermal stress restrained specimen test results

Creator:

Kanerva, Hannele K.

Abstract:

Low temperature cracking is attributed to tensile stresses induced in an asphalt concrete pavement that develop when the pavement is subjected to a cold temperature. Cracking results in poor ride quality and a reduction in service life of the pavement. Low temperature cracking has been predicted by regression equations, mechanistic...

Resource Type:

Dissertation

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Academic Affiliation

Civil and Construction Engineering4
Civil Engineering2

Advisor

Hernandez, Salvador2
Vinson, Ted S.2
Hernandez, Sal1
Trejo, David1

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1994 to 2021

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Committee Member

Bell, Chris A.[remove]6
Coleri, Erdem2
Hurwitz, David S.2
Bell, J. R.1
Hicks, R. Gary1
more Committee Members »

Creator

Al Bdairi, Nabeel Saleem Saad1
Anderson, Jason C.1
Jung, Duhwoe1
Kanerva, Hannele K.1
Prasittisopin, Lapyote1
more Creators »

Date

Date range begin – Date range end

Current results range from 1993 to 2021

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Decade

2020-20291
2010-20193
1990-19992

Degree Field

Civil Engineering6

Degree Level

Doctoral6

Degree Name

Doctor of Philosophy (Ph.D.)6

Language

English [eng]6

License

All rights reserved4

Non-Academic Affiliation

Oregon State University. Graduate School3

Peer Reviewed

No6

Resource Type

Dissertation[remove]6

Rights Statement

In Copyright4
Copyright Not Evaluated2

Subject

Asphalt concrete -- Cracking2
Asphalt concrete -- Effect of temperature on2
Pavements, Asphalt concrete -- Cracking2
Ash (Combustion product) -- Recycling1
Asphalt concrete -- Thermal fatigue1
more Subjects »

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