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  • Exploring the Relationship between Bicycle Level of Traffic Stress and Reported Bicycle Collisions

    Creator:
    Vogt, Rachel
    Abstract:
    Transportation agencies need efficient methods to determine how to improve bicycle facilities in order to improve connectivity and safety. Many studies have used standalone methods such as level of traffic stress (LTS) and bicycle level of service (BLOS) to better understand bicycle mode share and network connectivity for a region...
    Resource Type:
    Masters Thesis
    Full Text:
    bicycle LTS networks with bicycle collisions for four cities in New Hampshire. The LTS measurements of

  • Innovative Applications of Real-World Vehicle Trajectories Collected with a Radar Vehicle Detection System

    Creator:
    Simpson, Ellen J.
    Abstract:
    Left turn movements are considered to be the highest risk movements through an intersection, and can result in head on, angle, or side impact crashes. The flashing yellow arrow (FYA) for use as a permissive left turn phasing indication is relatively recent, first appearing in the 2009 edition Manual on...
    Resource Type:
    Masters Thesis
    Full Text:
    : Innovative Applications of Real-World Vehicle Trajectories Collected with a Radar Vehicle Detection System

  • New Techniques to Monitor and Characterize Landslide Behavior and Controls Using Digital Terrain Models

    Creator:
    Senogles, Andrew
    Abstract:
    Coastal landslides and erosion are major natural hazards resulting in unstable slopes, constituting immense challenges to modern infrastructure. Developing, maintaining, and performing risk assessments of infrastructure on, or close to, these hazards require a detailed understanding of the geophysical processes destabilizing the slope. These efforts start with the collection of...
    Resource Type:
    Dissertation
    Full Text:
    . Title: New Techniques to Monitor and Characterize Landslide Behavior and Controls Using Digital

  • New acoustic emission applications in civil engineering

    Creator:
    Schumacher, Thomas
    Abstract:
    Non-destructive testing methods and applications have become of increasing interest due to the worldwide aging and deteriorating infrastructure network. In the field of Civil Engineering, bridges and bridge components as well as non-structural elements such as roadway pavements for example, are affected. In particular, the Acoustic Emission (AE) technique offers...
    Resource Type:
    Dissertation
    Full Text:
    . Title: New Acoustic Emission Applications in Civil Engineering Abstract approved: Christopher

  • Numerical Modeling of Mass Timber Connections

    Creator:
    Hollenbeck, Sean R.
    Abstract:
    Cross-Laminated Timber (CLT) is a prefabricated building material that is relatively new to the United States and North America. It consists of no less than three layers of graded, dimensional lumber glued in alternating longitudinal and transverse layers to create a panel that can be used for various building applications...
    Resource Type:
    Masters Thesis
    Full Text:
    relatively new to the United States and North America. It consists of no less than three layers of graded

  • New Simulation and Fusion Techniques for Assessing and Enhancing UAS Topographic and Bathymetric Point cloud Accuracy

    Creator:
    Slocum, Richard K.
    Abstract:
    Imagery acquired from unmanned aircraft systems (UAS) and processed with structure from motion (SfM) – multi-view stereo (MVS) algorithms provides transformative new capabilities for surveying and mapping. Together, these new tools are leading to a democratization of airborne surveying and mapping by enabling similar capabilities (including similar or better accuracies,...
    Resource Type:
    Dissertation
    Full Text:
    Title: New Simulation and Fusion Techniques for Assessing and Enhancing UAS Topographic and

  • Morphodynamic Evolution of Coastal Oregon: Using New Lidar-derived Beach and Sand Dune Morphometrics to Explore Multi-decadal Change

    Creator:
    Light, Jacob W
    Abstract:
    The coast of Oregon is highly dynamic, with beach and dune morphodynamics constantly evolving in response to physical and ecological forcing at scales ranging from seconds to decades and meters to tens of kilometers. Evaluating spatial and temporal trends in shoreline evolution is paramount in understanding and eventually developing a...
    Resource Type:
    Masters Thesis
    Full Text:
    : Morphodynamic Evolution of Coastal Oregon: Using New Lidar-derived Beach and Sand Dune Morphometrics to

  • A composite-beam finite element for seismic analysis of wood-framed buildings

    Creator:
    Lee, Chyuan-shen
    Abstract:
    A computer program called SAPWOOD which possesses the capability of performing linear or nonlinear, static or dynamic response including seismic excitation for wood-framed buildings with semirigid connection systems is presented in this study. Program SAPWOOD is a modification of the program NONSAP by adding new elements such as a linkage...
    Resource Type:
    Dissertation
    Full Text:
    adding new elements such as a linkage element, a composite-beam element, a 3/D beam element and a plate

  • Reactivity Testing of Waterglass and the Investigation into an Alternative Binder Enhanced with Cellulose Nanocrystals

    Creator:
    McAlexander, Melissa
    Abstract:
    Most of the concrete in the world is produced using hydraulic cement (ordinary portland cement, OPC) and siliceous or alumino-siliceous supplementary cementitious materials (SCM). Due to the shift in focus toward environmental sustainability within the construction industry, alkali-activated cementitious systems (AAC) have gained significant attention to reduce the carbon footprint...
    Resource Type:
    Masters Thesis
    Full Text:
    Most of the concrete in the world is produced using hydraulic cement (ordinary portland cement, OPC

  • Tsunami Simulation Using OpenSees : Validation of Bridge Response and Exploration of Shallow Water Flow

    Creator:
    Cressman, Luke R.
    Abstract:
    The finite element software framework, OpenSees, has been used by researchers to simulate the response of structural and geotechnical systems to earthquake loading. Implementation of the Particle Finite Element Method (PFEM) has made it possible to simulate hydrodynamic forces through fluid-structure interaction (FSI) in OpenSees. To validate the FSI implementation...
    Resource Type:
    Masters Thesis
    Full Text:
    good job replicating physical experiments and shows agreement with the FEMA equations. Real world FSI