Index Catalog // ScholarsArchive@OSU

A Multivariate Comparison of Drone-Based Structure from Motion and Drone-Based Lidar for Dense Topographic Mapping Applications

Creator:: Simpson, Chase H.
Abstract:: Unmanned aircraft systems (UAS), also known as drones, are an increasingly popular method of collecting surveying and mapping data. Two common drone-based mapping techniques are lidar and structure from motion (SfM) photogrammetry, and a frequently-heard (yet nearly impossible to answer) question is: “which is better?” The most common metric for...
Resource Type:: Masters Thesis
Full Text:: positioning, can increase image observations per point resulting in improved survey precision (James, Robson

Effects of soil slope on lateral capacity of piles in cohesive soils

Creator:: Nimityongskul, Nontapat
Abstract:: Pile supported bridges are typically constructed near or in a natural or man-made slope and are subjected to lateral loading. The current design method for laterally loaded piles involves the use of Winkler's spring concept with the standard nonlinear p-y curves. The available p-y curves were developed based on results...
Resource Type:: Dissertation
Full Text:: . James Batti and Dr. Tim Maddux for their assistance in providing helpful suggestions in

Multi-Criteria Risk Mapping Using Lean Tools for the Architecture, Engineering, and Construction Industry

Creator:: Viriato Maia Ferreira Pestana, Ana Catarina
Abstract:: Over the past two decades, the Lean Construction academic and practicing engineering community has used lean practices and tools to help improve the performance of the Architecture, Engineering, and Construction (AEC) industry. Lean practices have led to improved competitiveness of construction companies that have adopted them, by focusing on ways...
Resource Type:: Dissertation
Full Text:: agreement between different disciplines on the general concept of risk (Aven 2012). Faber and Stewart

Safety performance of curve advisory speed signs

Creator:: Avelar Moran, Raúl Eduardo
Abstract:: Posting advisory speed signs at sharp horizontal curve sites is a practice well established in the United States. The purpose of these signs is to provide the driving public with a safe speed to negotiate such curves; however, the link between these signs and safety has not yet been clearly...
Resource Type:: Dissertation
Full Text:: ), (Zwahlen, 1987), (Zegeer, Stewart, Council, Reinfurt, & Hamilton, 1992). In any case, the link between

Blast-induced liquefaction : observational estimation of vibration, settlement and residual pore water pressure

Creator:: Kato, Kengo
Abstract:: The blast technique has been used as an effective soil improvement method to compact loose coarse-granular soils since 1930s, and the use of the blast technique is extended as an application of in-situ liquefaction testing to investigate the performance of full scale foundations and countermeasures against liquefaction in recent decades....
Resource Type:: Dissertation

Probabilistic Geospatial Analyses, Uncertainty Modeling, and Mapping of Seismically-induced Ground Failures

Creator:: Sharifi Mood, Mahyar
Abstract:: Ground failures, in particular landsliding, liquefaction and lateral spreading can be triggered by seismic sources. The frequency, magnitude, and impact of these ground failures are highly dependent on the topography and geology of the site including its slope, depositional environment, and geotechnical properties as well as the proximity of the...
Resource Type:: Dissertation

Framework for Measuring Construction Project Performance using Energy

Creator:: Nnaji, Chukwuma A.
Abstract:: Over the years, the performance of construction projects has been a main source of concern given the percentage of a project cost associated with poor project performance. As a result of the growing clamor to improve the output of the built industry, comprehensive studies have been conducted to examine the...
Resource Type:: Masters Thesis

Seismic assessment of unreinforced and retrofitted masonry buildings using Applied Element Method (AEM)

Creator:: Soti, Rajendra
Abstract:: A significant number of Unreinforced Masonry (URM) buildings exist in the Pacific Northwest region of the United States of America that is a region of high seismicity, which could be subjected to both crustal and subduction zone earthquakes. The catastrophic and brittle failures associated with URM buildings in the past...
Resource Type:: Dissertation
Full Text:: James Battie and Jeff Gent for their great support during the experiments in the structure lab. Kyle

Investigation of Drilled Shafts under Axial, Lateral, and Torsional Loading

Creator:: Li, Qiang
Abstract:: Drilled shaft foundations provide significant geotechnical resistance for support of structures, such as highway bridges, traffic sign, and signal pole structures, and are used widely to meet their structural foundation requirements. The amount of steel reinforcement in drilled shaft foundations has increased over the past several decades to account for...
Resource Type:: Dissertation
Date Created:
Full Text:: logging services were provided by Pile Dynamics, Inc. I would also like to thank James Batti for his

Probabilistic Multi-hazard Earthquake-Tsunami Structural Risk Assessment Framework

Creator:: Alam, Mohammad Shafiqual
Abstract:: Catastrophic earthquake and tsunami events that resulted in significant loss of life and property over the past two decades have raised the global awareness regarding the need to understand the response of communities and their built environment to multi-hazard extreme events. In recognition to this impending threat to the coastal...
Resource Type:: Dissertation

ScholarsArchive@OSU

A Multivariate Comparison of Drone-Based Structure from Motion and Drone-Based Lidar for Dense Topographic Mapping Applications

Effects of soil slope on lateral capacity of piles in cohesive soils

Multi-Criteria Risk Mapping Using Lean Tools for the Architecture, Engineering, and Construction Industry

Safety performance of curve advisory speed signs

Blast-induced liquefaction : observational estimation of vibration, settlement and residual pore water pressure

Probabilistic Geospatial Analyses, Uncertainty Modeling, and Mapping of Seismically-induced Ground Failures

Framework for Measuring Construction Project Performance using Energy

Seismic assessment of unreinforced and retrofitted masonry buildings using Applied Element Method (AEM)

Investigation of Drilled Shafts under Axial, Lateral, and Torsional Loading

Probabilistic Multi-hazard Earthquake-Tsunami Structural Risk Assessment Framework

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