Index Catalog // ScholarsArchive@OSU

Biaxial bending of concrete members with applications to prestressed concrete power poles

Creator:: Stephens, Charles Talmon
Abstract:: A method of analysis of arbitrarily shaped prestressed concrete members for biaxial bending is given. The stress-strain curve of the concrete is represented by two parabolic segments, and the effects of strain hardening of the steel are included in the analysis. An iterative numerical procedure is used to solve for...
Resource Type:: Dissertation
Full Text:: at least a partial verification of the method by the testing of some full-size prestressed concrete

Development of a test procedure for water sensitivity of asphalt concrete mixtures

Creator:: Al-Swailmi, Saleh H.
Abstract:: Environmental factors such as temperature, air, and water can have a profound effect on the durability of asphalt concrete mixtures. In mild climates where good quality aggregates and asphalt cement are available, the major contribution to deterioration may be due to traffic loading and the resultant distress is manifested in...
Resource Type:: Dissertation
Full Text:: influencing the water sensitivity of asphalt concrete mixtures; and (2) development of laboratory testing

Evaluation of water damage on asphalt concrete mixtures using the environmental conditioning system

Creator:: Al-Joaib, Ali Abdulla
Abstract:: Asphalt concrete pavement is subjected to several damaging actions from traffic loads, water (from precipitation and/or groundwater sources), and temperature. The durability of the asphalt-aggregate mixture, its ability to withstand these damaging actions for long periods, is a very important engineering property. While the durability of the asphalt-aggregates mixture depends...
Resource Type:: Dissertation
Full Text:: Evaluation of water damage on asphalt concrete mixtures using

Development of acoustic emissions testing procedures applicable to conventionally reinforced concrete deck girder bridges subjected to diagonal tension cracking

Creator:: Lovejoy, Steven C.
Abstract:: A need exists to develop a non-destructive testing technique that can identify the formation and propagation of diagonal tension cracks in conventionally steel reinforced concrete deck girder (RCDG) highway bridges in the State of Oregon. Such a technique could be included into a structural health monitoring (SHM) system installed on...
Resource Type:: Dissertation
Full Text:: content and wave forms found in concrete media, testing methods are developed and applied to 31 full

The effect of mixing moisture, oxidative aging and tire pressures on the performance of asphalt mixes

Creator:: Kim, Ok-kee
Abstract:: The research undertaken consisted of the study of three topics affecting the performance of asphalt concrete mixtures, that is, mixing moisture, oxidative aging and higher tire pressures and axle loads. This thesis presents the findings of the research comprising these three topics. In the first study, the effects of mixing...
Resource Type:: Dissertation
Full Text:: affecting the performance of asphalt concrete mixtures, that is, mixing moisture, oxidative aging and

Evaluation of the environmental conditioning system as a water sensitivity test for asphalt concrete mixtures

Creator:: Allen, Wendy L.
Abstract:: The Environmental Conditioning System (ECS) was designed to evaluate the water sensitivity of asphalt concrete mixtures. The ECS subjects asphalt concrete specimens to a series of conditioning cycles including water flow, elevated and/or lowered temperature, and repeated axial loading. The purpose of this research was to: (1) evaluate the ECS...
Resource Type:: Dissertation
Full Text:: concrete mixtures included a laboratory testing phase for the development and evaluation of procedures

Development of performance based test procedures for asphalt mixtures

Creator:: Kliewer, Julie E.
Abstract:: In 1987, Congress authorized a 5 year $150 million dollar research program called the Strategic Highway Research Program (SHRP). SHRP was divided into four major areas, including the asphalt research program. The asphalt research program was divided into six major research contracts, one such contract, SHRP-003A was called Performance Related...
Resource Type:: Dissertation
Full Text:: , SHRP-003A was called Performance Related Testing and Measuring of Asphalt Aggregate Interaction and

Development of the simplified method to evaluate dynamic mechanical analysis data on asphalt-aggregate mixtures

Creator:: Ab-Wahab, Yunus Bin
Abstract:: Testing of asphalt binders and asphalt-aggregate mixtures using dynamic mechanical analysis is becoming popular with improvements in high-speed computers, precision equipment, and computer software. Researchers are trying to describe the behavior of asphalt binders and asphalt-aggregate mixtures in terms of their time- and temperature-dependent linear viscoelastic behavior. The objectives of...
Resource Type:: Dissertation
Full Text:: applicable for dynamic testing of asphalt (Brodnyan, 1958; Dickinson and Witt, 1974) and asphalt concrete

Shear repair methods for conventionally reinforced concrete girders and deep beams

Creator:: Howell, Daniel A.
Abstract:: Many conventionally reinforced concrete deck girder bridges (RCDG) and their intermediate supporting bent caps were designed during the Eisenhower interstate era of the 1950’s with the AASHO design equations at the time, which subsequently place higher demand on the concrete. The referenced components may exhibit diagonal cracking due to the...
Resource Type:: Dissertation
Full Text:: Methods for Conventionally Reinforced Concrete Girders and Deep Beams. Abstract approved

Analysis of conventionally reinforced concrete deck girder bridges for shear

Creator:: Potisuk, Tanarat
Abstract:: Large numbers of 1950's vintage conventionally reinforced concrete (CRC) bridges remain in-service in the national bridge inventory. Many of these bridges are lightly reinforced for shear. Evaluation of these bridges to prevent unnecessary and costly repairs requires refined analytical techniques. This dissertation presents finite element (FE) modeling and comparisons of...
Resource Type:: Dissertation
Full Text:: Materials and Methods of Sampling and Testing Prestressed concrete sections were revised. Fatigue stress

ScholarsArchive@OSU

Biaxial bending of concrete members with applications to prestressed concrete power poles

Development of a test procedure for water sensitivity of asphalt concrete mixtures

Evaluation of water damage on asphalt concrete mixtures using the environmental conditioning system

Development of acoustic emissions testing procedures applicable to conventionally reinforced concrete deck girder bridges subjected to diagonal tension cracking

The effect of mixing moisture, oxidative aging and tire pressures on the performance of asphalt mixes

Evaluation of the environmental conditioning system as a water sensitivity test for asphalt concrete mixtures

Development of performance based test procedures for asphalt mixtures

Development of the simplified method to evaluate dynamic mechanical analysis data on asphalt-aggregate mixtures

Shear repair methods for conventionally reinforced concrete girders and deep beams

Analysis of conventionally reinforced concrete deck girder bridges for shear

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