Global ETD Search
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Showing 1 to 12 of 12 for “"Raveling"”.
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Raveling the Threads of Understanding: Reframing Mathematics Anxiety through Collaborative Professional Learning
This study investigates how collaborative professional learning communities (PLCs) can support teachers in evolving their understanding of mathematics anxiety. Conducted in a school serving a diverse student population, the research engaged a cohort of teachers in five PLC sessions, complemented by …
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Comprehensive Evaluation of Asphalt Mixtures in Arid Climatic conditions
Raveling is the leading cause of poor performance in the asphalt-wearing course in Kuwait's arid climatic conditions. The extreme conditions of Kuwait and poor asphalt mix design characteristics have further accelerated the raveling and deterioration of the in-service asphalt pavements. Combating …
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Design of Cold-In-Place Recycling using Superpave gyratory compactor
… evaluated for moisture susceptibility and raveling test. Out of the two combinations, the one which performed better in moisture susceptibility and raveling test was chosen as an optimum emulsion content and optimum water content. The tensile strength of CIR mixes without additives; with …
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Bench-scale modeling to evaluate the mechanical effects of subsidence on a monofill-type landfill cover
… form of progressive upward caving by consistent raveling, with distinct, continuous preferential pathways for saturated fluid flow and vapor migration formed. (Abstract shortened by UMI.).
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Return to Traffic of Full Depth Reclamation Pavements
… occurs, however, is still unclear. A laboratory raveling test run on Superpave Gyratory Compactor prepared samples simulates the raveling that can occur on the newly recycled pavement, and will be used in conjunction with inexpensive, simple tests that can be used in the field by agencies and …
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Noncontact sensing systems and autonomous decision-making for early-age concrete
… sawcutting within an acceptable level of raveling. A computer vision-based (CV) process was developed that employed multiple joint images, 2D segmentation for joint raveling/spalling extraction, 3D point cloud reconstruction and meshing of the joint damage, and a 3D damage quantification …
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Rating Rockfall Hazard in Tennessee
… topple failure, differential weathering, and raveling) along with the site and roadway geometry to assess the rockfall hazard of an individual slope. This study suggests methods that will expedite fieldwork, including an informational guide on how to properly identify individual failure …
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Reducing Moisture Damage in Asphalt Mixes Using Recycled Waste Additives
… types of asphalt failure including rutting, raveling, bleeding, and cracking. For several decades, research has been conducted to find a solution to this problem. Currently in practice, hydrated lime and a variety of amine-based chemicals are being used as anti-stripping agents. However, as …
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Women in Academic Leadership Roles at Research Intensive Universities: Examining the Recent Past Using NSOPF-93
This study investigates gender differences in personal and institutional factors that impact women's advancement to academic leadership roles at research intensive universities. It uses data from a 1993 national collection of information on post-secondary faculty. Academic leaders were defined as …
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Short-term Comparison of Frictional Properties of Superpave and Balance Mix Design Hot Mix Asphalt Mixes
… the Superpave mix design, e.g., cracking and raveling, with the Balance Mix Design (BMD) approaches. The Balance Mix Design incorporates performance testing elements that the level 1 Superpave mix design does not. The Virginia Department of Transportation (VDOT) aims to implement the Balance …
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Three-dimensional numerical analysis of reflective cracks in airfield pavements
… of the overlay because it leads to roughness, raveling, and moisture infiltration. The analysis of reflective cracking involves all modes of fracturing i.e., Mode I (opening), Mode II (shearing), and Mode III (tearing) [61] and thus 3-D models are required. The need for true 3-D modeling of …
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Moisture Content Determination and Temperature Profile Modeling of Flexible Pavement Structures
… can cause deterioration through stripping and raveling. In addition, as HMA is a viscoelastic material, it behaves more as a viscous fluid at high temperatures and as an elastic solid at low temperatures. Between these two temperature extremes, a combination of these properties is evident. …