Search
Now showing items 1-10 of 33
Metodología para la evaluación de la consistencia de diseño de carreteras rurales de dos carriles
(2015)
The road geometric design consistency is correlated with its level of safety. This evaluation is performed in three stages: measure or estimation of the operational speed, calculation of the dependent variable in the ...
Fatigue life assessment of sandwich composite hulls under repeated slamming loads
(2014)
Slamming loads induced by waves on ships can cause severe damages on structural members which may compromise integrity and safety. Therefore, better understanding of the slamming problem is a topic of interest in marine ...
Determinación de períodos fundamentales del suelo mediante vibración ambiental en las comunidades de Jardines del Caribe y La Playa, Puerto Rico
(2020-05-28)
Due to the seismic risk of Puerto Rico, this project was conducted to estimate the fundamental periods of vibration of the soil deposits in the areas of Jardines del Caribe and La Playa, respectively communities of Mayagüez ...
Seismic analysis of horizontal axis wind turbines
(2010)
The wind energy industry has seen a substantial growth in several industrialized countries in recent years. Traditionally, territories in northern Europe, with a low level of seismicity, have been the leaders in the use ...
Performance of landfills with coal combustion byproducts aggregates as an alternative reactive daily cover
(2012-05)
A landfill is an engineered facility for the disposal of wastes. It is designed and operated to minimize public health and environmental impacts. However, land availability is the limiting factor for the operation and ...
GPS-enabled mobile phones as sensors in the determination of the components of individual trip chains withouth user input
(2012)
Dynamic Traffic Assignment (DTA) is used to maximize the network’s capacity utilization. Research for DTA is active, but the data to apply it in real world situations is still under development. The solution proposed herein ...
Expected flood damage to buildings in riverine and coastal zones
(2007)
The methodologies used to estimate flood damage to buildings are typically based on aftermath surveys and statistical analyses of insurance claims data that do not consider the direct effects of floodwater hydrodynamics. ...
Mechanical, durability and financial analysis of concrete mixtures with nanosilica, silica fume and fly ash
(2020-05-14)
This study encompasses the analysis of mechanical properties, durability and cost-effectiveness of concrete mixtures with nanosilica particles, silica fume and fly ash utilized as admixtures. The cost of materials for the ...
Detection and monitoring of DNAPLs in the subsurface under transient conditions using cross well radar
(2008-04)
Contamination of soils and groundwater, accidental spills, poor storage facilities, and inadequate disposal practices cause serious detriment of the environment and can pose a serious threat to human health. Common ...
Dynamic transportation and humanitarian logistics model: a decision support tool to forecast and prioritize critical supplies distribution during emergency relief operations
(2013)
The optimal mobilization of materials, personnel and relief supplies to a disaster site could be the difference between life and death for the affected population. The purpose of this dissertation is to develop a system ...