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- 3D printing (1)
- Additive Manufacturing (1)
- Arkansas (1)
- Bio-cementation (1)
- Climate change (1)
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- Extreme precipitation events (1)
- Geobiology (1)
- Horizontal to Vertical Spectral Ratio (HVSR) (1)
- Infrastructure Health Monitoring (1)
- MICP (1)
- Mexico City (1)
- Multichannel Analysis of Surface Wave (MASW) (1)
- Near-field Effects (1)
- Seismic Design (1)
- Seismic Risk (1)
- Shear Wave Velocity (1)
- Site Period (1)
- Soil (1)
- Spatio-temporal variation (1)
- Surface Wave Methods (1)
- Transformation Technique (1)
- Urban flooding (1)
Articles 1 - 4 of 4
Full-Text Articles in Civil and Environmental Engineering
Additive Manufacturing Of Soil Using Bio-Cementation, Christina Childress
Additive Manufacturing Of Soil Using Bio-Cementation, Christina Childress
Graduate Theses and Dissertations
Microbially Induced Calcite Precipitation (MICP) is an emerging soil treatment technique that is proven to increase strength, decrease erosion, reduce liquefaction risk, enhance slope stability, decrease compressibility, decrease swelling potential, and overall create a more competent soil. The benefits and applications of MICP are broad, and this research seeks to broaden them further by developing a single-phase additive manufacturing application with no treatment time delay. This is done by analyzing layering behaviors of five USCS soil classifications (100 % Ottawa sand, sand clay mixtures, and 100% lean clay) which provides insight into process variables such as the solution volume and …
Applications Of Masw And Mhvsr Techniques For Infrastructure Evaluation With A Focus On The Effects Of Different Transformation Techniques And Near-Field Effects On Derived Dispersion Data, Salman Rahimi
Graduate Theses and Dissertations
This dissertation is aimed at understanding two aspects of active surface wave methods to improve the accuracy and reliability of this method. These include (1) the performance of four common wavefield transformation methods for the multichannel analysis of surface wave (MASW) data processing and (2) near-field effects. Toward this end, extensive field measurements were conducted considering different factors affecting these two topics. The MASW and microtremor horizontal to vertical spectral ratio (MHVSR) were then employed to examine their efficiency for infrastructure health monitoring.
Regarding the performance of the four common transformation techniques, it was observed that for sites with a …
Shallow 3d Shear Wave Velocity Model And Revised Site Period Prediction Map For The Mexico City Basin, Rendon Martin Rieth
Shallow 3d Shear Wave Velocity Model And Revised Site Period Prediction Map For The Mexico City Basin, Rendon Martin Rieth
Graduate Theses and Dissertations
The goal of this study was to revise the existing site period prediction map and to develop a shallow 3D shear wave velocity model of the Mexico City Basin. To accomplish this goal, an extensive literature review was performed to compile as much pertinent shear wave velocity and site period data for the region. In total, 75 sites were used to revise the site period prediction map and 40 sites were used to develop the shear wave velocity model. The 2004 Complementary Technical Standards of Mexico site period prediction map was adjusted with new site period measurements across the basin …
When It Rains, It Pours: A Case Study Of Spatio-Temporal Variations In High-Intensity Precipitation Events In Arkansas, Deanna Mantooth-Hendrix
When It Rains, It Pours: A Case Study Of Spatio-Temporal Variations In High-Intensity Precipitation Events In Arkansas, Deanna Mantooth-Hendrix
Graduate Theses and Dissertations
Climate change is having an impact on weather systems and ecosystems worldwide. Glaciers are receding, oceans are acidifying, hurricanes are stronger, and extreme precipitation is increasing in frequency. Even with the wealth of data and knowledge about the threat of climate change, some places are slow to adapt because they think that the impact to their ecosystem will not be severe. The goal of this project was to determine if climate change is having an impact on extreme precipitation in the top urban areas of Arkansas. The major concern with an increase in extreme events in urban areas is flooding. …