Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 9 of 9 for “"fastening systems"”.
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Understanding the vertical load path under static and dynamic loads in concrete crosstie and fastening systems
… design approach for the crossties and fastening systems. It is important to follow the flow of forces through the system to understand the demands on each individual component. In spite of extensive research focusing on the vertical load path a lack of clear understanding of the loads …
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Field test program of the concrete crosstie and fastening system
… performance of concrete crossties and elastic fastening systems must be upgraded. As a part of a study aimed at improving concrete crossties and fastening systems, field experimentation was performed at the Transportation Technology Center (TTC) in Pueblo, CO by researchers from the University …
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Interaction of stainless steel threaded fasteners with stainless steel locking inserts
… limited use (if any) of lubrication for threaded fastening systems, galling between the threaded fastener and the locking insert was determined to be the major concern. Galling occurs at the highly loaded thread interface of the components and is attributed to the adhesive and sliding wear …
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The calculation of noise from railway bridges and viaducts
Pandrol Rail Fastenings Limited are a designer and manufacturer of railway rail-fastening systems. As an organisation they have the capability to reduce the noise impact of bridges using resilient track components. They also have a commercial interest in providing such technology. Knowledge of the …
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Quantification of rail seat load distributions on concrete crossties
… study aimed at improving concrete crossties and fastening systems, researchers at UIUC are attempting to characterize the loading environment at the rail seat using matrix-based tactile surface sensors (MBTSS). This instrumentation technology has been implemented in experimentation utilizing both …
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Finite element analysis of railway track under vehicle dynamic impact and longitudinal loads
… of longitudinal restraint of existing rail fastening system and its dependency on track parameters affects the future design of rail fastening system. This thesis focuses on investigating numerically these two problems using finite element (FE) method. An FE model with multiple crossties and …
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Multifaceted approach for the analysis of rail pad assembly response
… worldwide, advancements in concrete crosstie fastening systems are required. A mechanistic design approach based on scientific principles, derived from extensive laboratory and field investigation and combined with computational analyses, has the potential to improve the current …
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Analysis of the design of railroad track superstructure components for rail transit applications
… of railroad superstructure in rail transit systems was conducted at the University of Illinois at Urbana-Champaign (UIUC) as part of a research program funded by the Federal Transit Administration (FTA). Focusing on field characterization of the performance of prestressed monoblock concrete …
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Determination of load path through concrete crosstie and fastening system: a laboratory and field investigation
… In this research, the behavior of crosstie and fastening system is investigated through material-level, component-level and system-level laboratory and field experiments. The system-level experiments use three primary test setups. One of these setups, referred to as a static single-crosstie and …