Title Input Editor

Description Input Editor

UPR Adm Central, Calle Flamboyán Jardín Botánico Sur, Río Piedras, PR (787) 250 - 0000 repositorio.upr@upr.edu

Biblioteca UPR
  • Start
  • About Us
    • Institutional Repository
    • Self-archiving
    • Rights, Licenses and Certifications
    • Staff
  • Libraries
    • UPR libraries
    • Catalog
  • Services
    • Library Directors
    • UPR repository
    • UPR patents
  • Help
    • Guides
  • Contact us
    • Contact Us
  • Start
  • About Us
    • Institutional Repository
    • Self-archiving
    • Rights, Licenses and Certifications
    • Staff
  • Libraries
    • UPR libraries
    • Catalog
  • Services
    • Library Directors
    • UPR repository
    • UPR patents
  • Help
    • Guides
  • Contact us
    • Contact Us
UPR Adm Central, Calle Flamboyán Jardín Botánico Sur, Río Piedras, PR(787) 250 - 0000repositorio.upr@upr.edu
Search 
  •   UPR Repository
  • University of Puerto Rico
  • Theses & Dissertations
  • Search
  •   UPR Repository
  • University of Puerto Rico
  • Theses & Dissertations
  • Search
    • English
    • Español
  • English 
    • English
    • Español
  • Login
JavaScript is disabled for your browser. Some features of this site may not work without it.

Search

Show Advanced FiltersHide Advanced Filters

Filters

Use filters to refine the search results.

Now showing items 1-9 of 9

  • Sort Options:
  • Relevance
  • Title Asc
  • Title Desc
  • Issue Date Asc
  • Issue Date Desc
  • Author Asc
  • Author Desc
  • Results Per Page:
  • 5
  • 10
  • 20
  • 40
  • 60
  • 80
  • 100
Thumbnail

Estudio de las órdenes de cambio en proyectos de diseño-construcción en las escuelas del siglo XXI 

Ramos-Maldonado, David (2015)
Change orders have a strong potential to become difficult, because of its significant increase in cost and contract duration extension. This research identifies and evaluates the causes of change orders in design build ...
Thumbnail

Estudios de las propiedades de los morteros que emplean altas dosis de cenizas volantes activadas alcalinamente 

Guzmán-Castillo, Johanna (2014)
Portland cement is the worldwide most commonly used material in construction. However, it is known that the Portland cement industries have a significant negative impact in the environment. For this reason, there is a study ...
Thumbnail

Exploración de un marco normativo efectivo y aplicable de alianzas público-privadas para los municipios de Puerto Rico 

Miranda-Poggys, Alex G. (2019-12-06)
El marco regulatorio puertorriqueño en materia de Alianzas Público-Privadas (APP) está recogido en la Ley 29 de 2009, según enmendada, titulada «Ley de Alianzas Público-Privadas». Esta ley a su vez creó el marco institucional ...
Thumbnail

Mechanical, durability and financial analysis of concrete mixtures with nanosilica, silica fume and fly ash 

González Solá, Luis (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 ...
Thumbnail

Viabilidad de un edificio de aparcamientos multiusos mediante una Alianza Público Privada en el Recinto Universitario de Mayagüez de la Universidad de Puerto Rico 

Torres-Suarez, Giovanni (2019-05-13)
The World Bank indicated that inadequate infrastructure hinders local economic growth, competitiveness, and is a major cause for a deficient quality of life. For the past decade, the government of Puerto Rico has been ...
Thumbnail

Diseño geométrico de los registros sanitarios y su efecto en el pavimento flexible de Puerto Rico 

Porrata-Arbona, Manuel E. (2020-12-08)
The defects caused by sanitary manholes on the asphalt pavement may affect the safety of the drivers on the roadway. The objective of this project is to study the effect of the manhole in the asphalt pavement in Puerto ...
Thumbnail

Arced labyrinth weir geometric design for auxiliary spillway applications in existing dam infrastructure 

López-Soto, Jamie F. (2015)
A new optimization scheme procedure for arced labyrinth weir design is proposed to be used in a spillway value analysis, for the design of auxiliary spillways. The arced labyrinth spillway geometric design based on an ...
Thumbnail

Estudio de la influencia de las adiciones minerales como sustituto parcial del cemento Portland en las propiedades mecánicas y de durabilidad del hormigón 

Guzmán-Durán, Danel (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 ...
Thumbnail

Estudio de la influencia del cemento Pórtland en las propiedades del hormigón con cenizas volantes 

Rosario-Lúgaro, Ámbar (2012)
The durability of concrete is influenced by its porous network. The use of fly ash in concrete mixtures produces additional hydration products, changing its micro-structure. As a concrete admixture, fly ash not only improves ...

Browse

All of UPR DIReCommunities & CollectionsTitlesThis CollectionTitles

My Account

Login

Discover

AuthorGonzález Solá, Luis (1)Guzmán-Castillo, Johanna (1)Guzmán-Durán, Danel (1)López-Soto, Jamie F. (1)Miranda-Poggys, Alex G. (1)Porrata-Arbona, Manuel E. (1)Ramos-Maldonado, David (1)Rosario-Lúgaro, Ámbar (1)Torres-Suarez, Giovanni (1)Advisor
Molina-Bas, Omar I. (9)
KeywordsAlianza pubico privada (1)Alianza Público Privada (1)arced labyrinth weir (1)Cenizas volantes (1)Concesión (1)Concrete - Additives (1)Concrete - Mixing (1)Concrete - Service life (1)Concrete--Permeability (1)Construction planning (1)... View MoreSubject HeadingFly ash (3)Concrete--Service life (2)Portland cement--Additives (2)Cement--Mechanical properties (1)Concrete -- Mechanical properties (1)Construction industry--Puerto Rico--Cost control (1)Highway engineering (1)Infrastructure (Economics) -- Puerto Rico (1)Labyrinth weirs (1)Mortar (1)... View MoreTypeProject Report (5)Thesis (3)Dissertation (1)Date2012 (2)2015 (2)2019 (2)2020 (2)2014 (1)DepartmentDepartment of Civil Engineering (9)Program
Civil Engineering (9)
CollectionTheses & Dissertations (9)

Statistics

Most Popular ItemsStatistics by CountryMost Popular Authors
  • Propose Content |
  • Learn More |
  • Statistics |
  • Feedback |
  • Contact Us
Biblioteca UPR

Universidad de Puerto Rico © 2021 - Todos los derechos reservados.