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Water quality assessment with aquatic non-structural blocks made of coal ash aggregates mortars
(2012)
A handful of biochemical processes occur in aquatic environments. One of the problems that are mostly encountered in such environments is caused by excess nutrient input and subsequent algal bloom. A series of studies were ...
Estudio de la influencia de las adiciones minerales como sustituto parcial del cemento Portland en las propiedades mecánicas y de durabilidad del hormigón
(2012)
The use of mineral admixtures as substitute of cement in concrete is widely extended for various reasons. The reduction of doses of cement in the concrete mixtures reduces the material costs, decreases the pollution and ...
Development of cost - effectiveness test for energy efficiency in the building construction industry
(2012)
This document presents the methodology to evaluate cost effectiveness of energy efficiency measures for Puerto Rico, using to the cost effectiveness tests suggested in the document National Action Plan for Energy Efficiency ...
Integrating groundwater resources in existing water supply infrastructure using spatial tools
(2012-05)
Management and development of groundwater resources introduces the challenge of collecting necessary information to understand the system. The information must integrate the aquifer system characteristics and the limitations ...
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 ...
Impulse load response of lattice steel columns
(2012)
Many bridges that represent an important part of our nation’s infrastructure system are constructed from steel components including steel plates, beams, columns, and cables of different configurations. Because of their ...
A case study of the Tallulah River Road design using context sensitive solution framework
(2012)
The use of Context Sensitive Solutions (CSS) for the project development process is to take in consideration the needs and concerns of different stakeholders in various areas, such as: community, environmental, aesthetic, ...
Disinfection by-products occurrence and Escherichia Coliform removal in a point-of-entry cistern purification unit
(2012)
This research aims to develop and test a Point-of-Entry Cistern Purification Unit (POE-CPU) to guarantee water quality for household purposes, with an emphasis on turbidity, E. coli removal and minimal occurrence of ...
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 ...
Impact of transit organization on ridership
(2012)
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 ...