This research evaluates the hypothesis suggesting that organizational characteristics of transportation institutions have an impact on their transit system’s ridership. It is important to emphasize that this research is ...

During this investigation the effect on the mechanical properties of Ottawa sand when different percentages of shredded tires added to the sand specimens was studied. In addition, an alternative for recycling shredded tires ...

The main goal of this research is to provide a flood regionalization study for Puerto Rico based on recent advances in watershed classification and parameter estimation techniques. The regional flood frequency was achieved ...

An evaluation of the interrelation between different up-scaling parameters and inputs were evaluated to quantify their influence on hydrologic predictability in complex terrain and small watersheds. An up-scaling experiment ...

The considerable increase in the use of drilled shafts to meet the demand of loads of great magnitude in the construction of buildings, roads and bridges, the fact that around 27.5% of the geomorphologic area of Puerto ...

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 ...

Tainter gates are a type of floodgate with a radial geometry that is used in dams and canal locks to control the water flow from navigation structures. Throughout the years, these structures have presented operational ...

Based on the environmental impact caused by the consumption of energy produced by the burning of fossil fuel, global warming and the concern that natural resources are limited, theories of sustainable development to develop ...

This study describes the groundwater recharge and pumpage, and surface water distribution through a water balance model for the Salinas to Patillas agricultural area located over the alluvium of the eastern part of the ...

Coal ash aggregates (CAAs) from a coal power plant was evaluated for use as a backfilling substitute in open pit restoration. The restoration was successfully simulated under laboratory conditions by using three dissimilar ...