Ara es mostren els items 41-60 de 96

    • Estudo do comportamento de concreto de ultra-alto desempenho reforçado com fibras à fadiga por flexão 

      Martinello Carlesso, Debora; Pialarissi Cavalaro, Sergio Henrique; Fuente Antequera, Albert de la; Longuini Repette, Wellington (Instituto Brasileiro do Concreto (IBRACON), 2017)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      In order to evaluate the fatigue behaviour of Ultra-High Performance steel Fibre Reinforced Concrete (UHPFRC) in bending an experimental campaign with prismatic specimen of 75 x 75 x 275 mm was carried out. Fatigue tests ...
    • Evaluation of concrete-steel bond strength in wet mix sprayed concrete 

      García Vicente, Tomàs; Pialarissi Cavalaro, Sergio Henrique; Pérez Cacho, Jorge; Rueda, Angel; Domingues de Figueiredo, Antonio (2014)
      Text en actes de congrés
      Accés obert
      The high performance obtained in wet mix sprayed concrete has extended the field of applications of this technique. In some of these applications, such as in diaphragm walls or bridge rehabilitation, the structure may be ...
    • Evolution of pyrrhotite oxidation in aggregates for concrete 

      Oliveira da Silva, Izelman; Pialarissi Cavalaro, Sergio Henrique; Aguado de Cea, Antonio (2014-11-17)
      Article
      Accés obert
      Rocks containing pyrrhotite bands are sometimes used to produce concrete. These rocks oxidize and produce long-term expansive reactions that damage concrete structures, leading to important economic and risk related ...
    • Evolutionary lattice model for the compaction of pervious concrete in the fresh state 

      Pieralisi, Ricardo; Pialarissi Cavalaro, Sergio Henrique; Aguado de Cea, Antonio (2015-11)
      Article
      Accés obert
      This paper presents a simplified model for the simulation of the compaction of deformable granular materials such as pervious concrete in the fresh state. The strategy is to use an evolutionary lattice system with local ...
    • Expansion of mortars with gypsum contaminated fine recycled aggregates 

      Tovar Rodríguez, Gustavo Enrique; Barra Bizinotto, Marilda; Pialarissi Cavalaro, Sergio Henrique; Aponte Hernández, Diego Fernando; Vázquez Ramonich, Enric (2012-09-20)
      Article
      Accés restringit per política de l'editorial
      This study evaluates the expansivity of fine recycled aggregates mortars depending on the type of Portland cement, the consistency and the equivalent of acid soluble sulphates (SO3) content. For that, an experimental ...
    • Expansions with different origins in a concrete dam with bridge over spillway 

      Blanco Álvarez, Ana; Pialarissi Cavalaro, Sergio Henrique; Segura Pérez, Ignacio; Segura Castillo, Luis; Aguado de Cea, Antonio (Elsevier, 2018-02)
      Article
      Accés obert
      Concrete dams with expansions from different origins are rare and scarcely documented in the literature, therefore their study gains special interest. This study presents the case of a 62-year-old concrete dam with signs ...
    • Experimental and analytical study of concrete blocks subjected to concentrated loads with an application to TBM-constructed tunnels 

      Liao, Lin; Fuente Antequera, Albert de la; Pialarissi Cavalaro, Sergio Henrique; Aguado de Cea, Antonio; Carbonari, Gilberto (2015-06)
      Article
      Accés obert
      To generate enough thrust for a Tunnel Boring Machine (TBM) to excavate a soil and advance, several jacks are typically used to apply force to the last installed ring that acts as a reaction frame. These loads generate ...
    • Fatigue of cracked high performance fiber reinforced concrete subjected to bending 

      Carlesso, Débora Martinello; Fuente Antequera, Albert de la; Pialarissi Cavalaro, Sergio Henrique (Elsevier, 2019-09)
      Article
      Accés obert
      High performance fiber reinforced concrete (HPFRC) is recognized as suitable material for structural applications. The number of national codes that have approved it is an evidence. Structures where HPFRC is generally used ...
    • Fatigue of cracked steel fibre reinforced concrete subjected to bending 

      Martinello Carlesso, Debora; Fuente Antequera, Albert de la; Pialarissi Cavalaro, Sergio Henrique (Springer, 2021)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      This paper presents an experimental investigation on the post-crack flexural fatigue behaviour of a steel macrofiber reinforced concrete (SFRC) and a high performance steel microfiber reinforced concrete (HPFRC), on notched ...
    • Fatigue of plastic fibre reinforced concrete in bending: assessment and prediction 

      Martinello Carlesso, Debora; Pialarissi Cavalaro, Sergio Henrique; Fuente Antequera, Albert de la (Springer, 2021)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      The present paper deals with an experimental study on the flexural fatigue behaviour of pre-cracked polypropylene fibre reinforced concrete with two different volume of fibre. Mechanical response was evaluated through ...
    • Fibre distribution and tensile response anisotropy in sprayed fibre reinforced concrete 

      Segura Castillo, Luis; Pialarissi Cavalaro, Sergio Henrique; Goodier, Chris; Aguado de Cea, Antonio; Austin, Simon (2018-02)
      Article
      Accés obert
      Sprayed steel fibre reinforced concrete (SSFRC) is a material that tends to present anisotropy, due to the action of the spraying process inducing preferential fibre orientation. Despite numerous applications worldwide ...
    • Fibre distribution in macro-plastic fibre reinforced concrete slab-panels 

      Pujadas Álvarez, Pablo; Blanco Álvarez, Ana; Pialarissi Cavalaro, Sergio Henrique; Fuente Antequera, Albert de la; Aguado de Cea, Antonio (2014-08-14)
      Article
      Accés restringit per política de l'editorial
      This paper focuses on the study of the influence of flowability and wall-effects of the formwork in the orientation pattern of macro-plastic fibres. In order to identify the preferential orientation of fibres caused by the ...
    • Fibre reinforced precast concrete segments: design and applications 

      Fuente Antequera, Albert de la; LIAO, LIN; Pialarissi Cavalaro, Sergio Henrique; Aguado de Cea, Antonio (2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The use of structural fibre as replacement of the traditional reinforcement in precast concrete segmental linings is a widespread practice. As a matter of fact, more than forty examples of application in tunnels and vertical ...
    • Flat suspended slabs reinforced only with macro-synthetic fibres 

      Pujadas Álvarez, Pablo; Blanco Álvarez, Ana; Pialarissi Cavalaro, Sergio Henrique; Aguado de Cea, Antonio; Fuente Antequera, Albert de la (2016)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      Despite the remarkable advances in the field of macro-synthetic fibre reinforced concrete, the successful use of plastic macro-fibres as the sole reinforcement in structural elements still requires thorough research. Several ...
    • Flexural fatigue of pre-cracked plastic fibre reinforced concrete: experimental study and numerical modeling 

      Martinello Carlesso, Debora; Pialarissi Cavalaro, Sergio Henrique; Fuente Antequera, Albert de la (Elsevier, 2021-01)
      Article
      Accés obert
      The objective of this paper is to analyse the mechanical behaviour of polypropylene fibre reinforced concrete subjected to load cycles and propose a model to predict the crack-opening increase and mechanical performance ...
    • Flexural post-cracking creep behaviour of macro-synthetic and steel fiber reinforced concrete 

      Pujadas Álvarez, Pablo; Blanco Álvarez, Ana; Pialarissi Cavalaro, Sergio Henrique; Fuente Antequera, Albert de la; Aguado de Cea, Antonio (2016)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this paper the post-cracking creep behaviour of FRC beams under flexural load is evaluated in order to determine whether under certain loading conditions plastic fibres may be safely used in the long-term without ...
    • Improved assessment of fibre content and orientation with inductive method in SFRC 

      Pialarissi Cavalaro, Sergio Henrique; López Carreño, Rubén-Daniel; Torrents Dolz, Josep M.; Aguado de Cea, Antonio (2015-06)
      Article
      Accés obert
      The inductive method is a robust and simple non-destructive test to assess the content and the distribution of steel fibres in FRC. Despite the advantages in comparison with other methods, further studies are still needed ...
    • Influence of barite aggregate friability on mixing process and mechanical properties of concrete 

      González-Ortega, Martha Alejandra; Pialarissi Cavalaro, Sergio Henrique; Aguado de Cea, Antonio (2015-01)
      Article
      Accés obert
      The main objective of this paper is to evaluate the friability of the barite aggregate during the mixing process and its influence on the fresh and hardened properties of concrete. Three types of aggregates were studied: ...
    • Influence of fiber properties on the inductive method for the steel-fiber-reinforced concrete characterization 

      Juan-García, Pablo; Torrents Dolz, Josep M.; López Carreño, Rubén-Daniel; Pialarissi Cavalaro, Sergio Henrique (2016-08-01)
      Article
      Accés obert
      The inductive method has shown to be a good method for the estimation of fiber dosage in steel-fiber-reinforced concrete. The current formulations reported a strong correlation between inductance and fiber content, as well ...
    • Influence of spraying on the early hydration of accelerated cement pastes 

      Salvador, Renan; Pialarissi Cavalaro, Sergio Henrique; Cano, Miguel; Domingues de Figueiredo, Antonio (2016-10)
      Article
      Accés obert
      In practice, most of the studies about the interaction between cement and accelerators is performed with hand-mixed pastes. However, in many applications mixing occurs through spraying, which may affect accelerators ...