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Now showing items 41-50 of 287
Minimizing end stress in bridge stay cables
(2010)
The construction of cable stayed bridges has grown substantially in the last couple of decades, leading to increased concerns about their life and health. One of the main concerns of cable stayed bridge design is the high ...
Historical assessment of chlorinated volatile organic compounds (CVOCs) and phthalates contamination in the northern karst aquifer of Puerto Rico using GIS
(2014-12)
Contamination in Puerto Rico (PR) is extensive with more than 150 contaminated sites and a vast contamination of water resources. Among the most impacted areas is the northern coast karst aquifer. This project (1) evaluates ...
Establishing the magnitude of landslide triggering rainstorm events within the Cayaguas river watershed: a proposed methodology
(2009-12)
This research study focuses on evaluating slope stability within the watershed during rainfall events. Detailed slope water flow and stability analyses were performed in order to determine the rainfall duration and intensity ...
Response of ISO containers to a variety of dynamic loadings at different standoffs: Comparison of field experimentation and finite element modeling
(2021-05-14)
Intermodal cargo containers, such as the International Organization for Standardization (ISO)
containers, are use in a daily basis for transportation of merchandize. The development of the
intermodal cargo containers ...
Technical skills required for transportation engineering professionals
(2014)
Having a safe, efficient, accessible, and environmentally-conscious transportation system is vital for the economic development of any nation. Newest technologies in the transportation realm require different set of skills ...
Subsurface stormwater retention with pervious concrete pavement on UPRM campus master plan
(2018-05)
Pervious concrete pavement constitutes an efficient Best Management Practice (BMP)
stormwater management solution, since it serves to manage surface runoff quantitative and
qualitative characteristics at its earliest ...
Seismic soil pressures on rigid walls subjected to pulse-like earthquake ground motions
(2021-05-11)
Pulse-like earthquakes are believed to impose larger structural demands on structures due to the sudden release of seismic energy. This can cause concern in areas that are near fault due to the possibility of structures ...
Desempeño sísmico de un puente cimentado sobre fustes barrenados en diferentes tipos de suelo
(2006-05)
El uso de los fustes barrenados como alternativa para la fundación profunda en puentes es cada vez más popular debido a que a veces esta tecnología resulta más atractiva sobre los pilotes hincados por sus ventajas económicas ...
Remediation of explosives-containing water using advanced oxidation and sorption processes
(2009)
The main objective of this work is to develop a procedure to degrade and remove explosives contained in water (ECW). Specifically, this investigation assessed the degradation and removal of TNT and DNT using advanced ...
Evaluation of waste tire crumb rubber and dewatered sludges as adsorbents of heavy metals ions in the Miradero Water Treatment Plant at Mayagüez, Puerto Rico
(2014)
Water pollution by heavy metal species is a major environmental concern, and existing technologies are not always adequate for meeting regulatory limits. Major sources of pollution of aqueous effluents with heavy metal ...