Ara es mostren els items 12613-12632 de 84411

  • Bridge capacity assessment by combined proof-loading and WIM data 

    Casas Rius, Joan Ramon; Gomez, Juan David (CRC Press, 2010)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Proof loading of bridges is a powerful tool in the capacity assessment of existing bridges. The idea is to load the bridge up to a certain level in order to guarantee the safety of the bridge versus the normal traffic. ...
  • Bridge condition and safety based on measured vibration level 

    Casas Rius, Joan Ramon; Rodrigues, J. Fernando (International Association for Bridge and Structural Engineers (IABSE), 2015)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Along the years, there were efforts by researchers in quantifying structural performance and damage in function of vibration measurements. Curves proposed by several authors try to relate acceleration spectrum to damage ...
  • Bridge strengthening by conversion to network arch: design criteria and economic validation 

    Valenzuela, Matías A.; Casas Rius, Joan Ramon (Taylor & Francis, 2015-11)
    Article
    Accés obert
    The study presents a new strengthening methodology in bridges over river beds affected by scour and erosion at piers. The proposal is part of an innovative concept, implementing a structural change of the original bridge, ...
  • Bridge strengthening by structural change: from continuous beam to network arch 

    Valenzuela, M.; Casas Rius, Joan Ramon (CRC Press, 2010)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    In Chimbarongo, VI region of Chile, is located the San Luis road bridge, built in the year 1930. During last inspections have been detected severe scour in the piers, besides other damages, which have forced the closure ...
  • Bridge strengthening by structural change: optimization via genetic algorithm 

    Valenzuela, Matías A.; Casas Rius, Joan Ramon (2011)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    This paper presents a detailed study of the construction and cable-stressing process for the strengthening of bridges by the conversion of the structural typology from continuous beams to tied-arch bridges. The basic stages ...
  • Bridging communications and the physical world 

    Boyaci, Omer; Beltrán Martínez, María Victoria; Schulzrinne, Henning (2012-03-01)
    Article
    Accés restringit per política de l'editorial
    Sense Everything, Control Everything (SECE) is an event-driven system that lets nontechnical users create services that combine communication, location, social networks, presence, calendaring, and physical devices such as ...
  • Bridging communications and the physical world : sense everything, control everything 

    Boyaci, Omer; Beltrán Martínez, María Victoria; Schulzrinne, Henning (2011)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    The SECE (Sense Everything, Control Everything)system allows users to create services that combine communication, calendaring, location and devices in the physical world. SECE is an event-driven system that uses a ...
  • Bridging Physical and MAC Layers in Electromagnetic Nanonetworks 

    Capdevila Pujol, Joan (Universitat Politècnica de Catalunya, 2010-12-20)
    Projecte/Treball Final de Carrera
    Accés obert
    Català: En aquest projecte estudiem la comunicació entre diversos nano-dispositius que configuren una Nanoxarxa Electromagnètica sense cables. Tenint en compte les peculiaritats de la capa física, proposem un mètode d'accés ...
  • Bridging the gap among academics and practitioners in non-functional requirements management: some reflections and proposals for the future 

    Franch Gutiérrez, Javier; Ameller, David; Ayala Martínez, Claudia Patricia; Cabot Sagrera, Jordi (Monsenstein und Vannerdat, 2012)
    Capítol de llibre
    Accés obert
    The software engineering community has paid a lot of attention to the study of non-functional requirements (NFRs). Along time, framing NFRs into an articulated framework has become an elusive target. As a consequence, ...
  • Bridging the gap between design and implementation of components libraries 

    Marco Gómez, Jordi; Franch Gutiérrez, Javier (2000-12)
    Report de recerca
    Accés obert
    Object-oriented design is usually driven by three main reusability principles: step-by-step design, design for reuse and design with reuse. However, these principles are just partially applied to the subsequent ...
  • Bridging the Interoperability Gap Between the Internet and Optical Network Management Systems 

    Yannuzzi, Marcelo; Masip Bruin, Xavier; González de Dios, Óscar; García Argos, Carlos; Maciejewski, Maciej; Altmann, Jorn (IEEE Computer Society Publications, 2011)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Despite the efforts made towards the convergence of packet and circuit switched technologies, the isolation between the Internet and the optical Network Management Systems (NMSs) remains unsolved. Today, carriers have ...
  • Brief announcement: Game theoretical approach for energy-delay balancing in distributed duty-cycled MAC protocols of wireless networks 

    Doudou, Messaoud; Barceló Ordinas, José María; Djenouri, Djamel; García Vidal, Jorge; Badache, Nadjib (Association for Computing Machinery (ACM), 2014)
    Text en actes de congrés
    Accés obert
    Optimizing energy consumption and end-to-end (e2e) packet delay in energy constrained distributed wireless networks is a conflicting multi-objective optimization problem. This paper investigates this trade-off from a ...
  • Bright solitons from defocusing nonlinearities 

    Borovkova, Olga V.; Kartashov, Yaroslav; Torner Sabata, Lluís; Malomed, Boris A. (2011-09-19)
    Article
    Accés restringit per política de l'editorial
    We report that defocusing cubic media with spatially inhomogeneous nonlinearity, whose strength increases rapidly enough toward the periphery, can support stable bright localized modes. Such nonlinearity landscapes give ...
  • Bright solitons with second-order nonlinearities 

    Torner Sabata, Lluís; Menyuk, Curtis; Stegeman, George (1995-05)
    Article
    Accés restringit per política de l'editorial
    We investigate the mutual trapping of intense fundamental and second-harmonic waves propagating in materials with second-order nonlinearity. Consistent with Menyuk’s robustness hypothesis of solitons, we numerically observe ...
  • Brightness-temperature retrival methods in synthetic aperture radiometers 

    Corbella Sanahuja, Ignasi; Torres Torres, Francisco; Camps Carmona, Adriano José; Duffo Ubeda, Núria; Vall-Llossera Ferran, Mercedes Magdalena (IEEE, 2009-01)
    Article
    Accés obert
    Bightness-temperature retrieval techniques for synthetic aperture radiometers are reviewed. Three different approaches to combine measured visibility and antenna temperatures, along with instrument characterization ...
  • Brill transition and melt crystallization of nylon 56 an odd-even polyamide with two hydrogen-bonding directions 

    Morales Gámez, Laura Teresa; Soto, David X.; Franco García, María Lourdes; Puiggalí Bellalta, Jordi (Elsevier, 2010-11-12)
    Article
    Accés restringit per política de l'editorial
    Brill transition and crystallization behaviour of nylon 56, a representative polymer of odd–even polyamides, were investigated by simultaneous WAXD and SAXS synchrotron radiation. Nylon 56 crystallized from solution into ...
  • Bring clean, bright light to Atauro 

    Permanyer Martínez, Olga (2012)
    Pòster (projecte CCD)
    Accés obert
  • Bringing action language C+ to normative contexts: preliminary report 

    Garcia Gasulla, Dario; Nieves Sánchez, Juan Carlos (CEUR Workshop Proceedings, 2010)
    Text en actes de congrés
    Accés obert
    C+ is an action language for specifying and reasoning about the e ects of actions and the persistence of facts over time. Based on it. we present CN+, an operational enhanced form of C+ designed for representing complex ...
  • Bringing back the life to half-dead urban structures 

    Gulińska, Anna; Basista, Zofia (International Forum on Urbanism / Escola Técnica Superior d'Arquitectura de Barcelona, 2012-01)
    Text en actes de congrés
    Accés obert
    Bringing back the life to half-dead urban structures - re-inventing the idea of tourism. Mapping of non-physical and physical parameters - with a view of sustainable development and projective analyses. Research conducted on ...
  • Bringing the American College Model to the Arabian Gulf: New Challenges for Intercultural Education 

    Tolmacheva, Marina (Global University Network for Innovation (GUNI), 2008)
    Article
    Accés obert
    1. The Arabian Gulf education sector appears to be eager to emulate the American model of higher education in pursuit of the observed success of Knowledge economies. American institutions of higher education have been ...