Exploració per autor "Ikumi Montserrat, Tai"
Ara es mostren els items 1-20 de 22
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Alternative methodology to consider damage and expansions in external sulfate attack modeling
Ikumi Montserrat, Tai; Pialarissi Cavalaro, Sergio Henrique; Segura Pérez, Ignacio; Aguado de Cea, Antonio (2014-09-01)
Article
Accés obertA diffusion–reaction numerical model is proposed to simulate the response of concrete exposed to external sulfate attack. Diffusion properties are modified based on the strain reached and the ratio of porosity filled by ... -
Conductive concrete made from recycled carbon fibres for self-heating and de-icing applications in urban furniture
Faneca Llesera, Gerard; Ikumi Montserrat, Tai; Torrents Dolz, Josep M.; Aguado de Cea, Antonio; Segura Pérez, Ignacio (Instituto Técnico de la Construcción y del Cemento, 2020-09)
Article
Accés obertThis paper presents a broad experimental study performed at laboratory and industrial facilities to develop conductive concrete for self-heating and de-icing applications in urban furniture. Self-heating capacity is achieved ... -
Data-driven optimization tool for the functional, economic, and environmental properties of blended cement concrete using supplementary cementitious materials
Hafez, Hisham; Teirelbar, Ahmed; Tošić, Nikola; Ikumi Montserrat, Tai; Fuente Antequera, Albert de la (Elsevier, 2023-05)
Article
Accés obertThe need to produce more sustainable concrete is proving imminent given the rising environmental concerns facing the industry. Blended cement concrete, based on any of the prominent supplementary cementitious materials ... -
Design-oriented method for concrete pavements with volumetric stability admixtures: an integrated experimental and analytical approach
Ikumi Montserrat, Tai; Lopez Arancibia, Aitziber Montserrat; Aidarov, Stanislav; Aguado de Cea, Antonio; Fuente Antequera, Albert de la (Elsevier, 2023-12-01)
Article
Accés obertThe high-performance demands on industrial floors, both in terms of larger slab dimensions and increased durability under harsh operating conditions, have led to the growing use of expansive admixtures. These generate a ... -
Design-oriented method for concrete pavements with volumetric stability admixtures: an integrated experimental and analytical approach
Ikumi Montserrat, Tai; Monserrat López, Andrea; Aidarov, Stanislav; Aguado de Cea, Antonio; Fuente Antequera, Albert de la (Elsevier, 2023-12)
Article
Accés obertThe high-performance demands on industrial floors, both in terms of larger slab dimensions and increased durability under harsh operating conditions, have led to the growing use of expansive admixtures. These generate a ... -
Effects of biaxial confinement in mortars exposed to external sulfate attack
Ikumi Montserrat, Tai; Segura Pérez, Ignacio; Pialarissi Cavalaro, Sergio Henrique (2019-01)
Article
Accés obertResearch on external sulfate attack (ESA) is usually performed on small scale specimens under free expanding conditions. However, most field structures cannot expand freely due to confinement induced by the ground or other ... -
Inlfuence [sic] of early sulfate exposure on the pore network development of mortars
Ikumi Montserrat, Tai; Segura Pérez, Ignacio; Pialarissi Cavalaro, Sergio Henrique (Elsevier, 2017-07)
Article
Accés obertThe objective of this paper is to evaluate the influence of sulfate exposure on the pore network development of several Portland cement matrices. MIP, XRD and SEM analysis were performed at different ages in samples exposed ... -
Modified digital image correlation aided measurement of the transverse to longitudinal deformation ratio for polymeric macro-fibres
Ikumi Montserrat, Tai; Pujadas Álvarez, Pablo; de la Cruz, Janill Marie; Segura Pérez, Ignacio; Fuente Antequera, Albert de la (Elsevier, 2022-11)
Article
Accés obertConsidering the increasing interest of polymeric macro-fibres reinforced concrete, a simple and straightforward method to assess the fibre’s transverse to longitudinal deformation ratio (¿f) becomes a determining aspect ... -
Neural network-aided prediction of post-cracking tensile strength of fibre-reinforced concrete
Ikumi Montserrat, Tai; Galeote Moreno, Eduardo; Pujadas Álvarez, Pablo; Fuente Antequera, Albert de la; López Carreño, Ruben Daniel (2021-11)
Article
Accés obertStructural fibres are an effective method to improve concrete post-cracking tensile strength (fctR). Currently, the characterization of this property is mainly performed experimentally. This is a source of uncertainties ... -
Neural network. Game theory coupled approach for predicting flexural performance of fibre-reinforced concrete
López Carreño, Rubén-Daniel; Ikumi Montserrat, Tai; Fuente Antequera, Albert de la; Galeote Moreno, Eduardo; Pujadas Álvarez, Pablo (Elsevier, 2024-06-01)
Article
Accés restringit per política de l'editorialThe addition of fibres to concrete is an effective solution for enhancing its post-cracking tensile strength (fctR). Currently, this property is characterized through high-cost and time-consuming experimental tests since ... -
New insights on the fundamentals and modeling of the external sulfate attack in concrete structures
Ikumi Montserrat, Tai (Universitat Politècnica de Catalunya, 2017-10-30)
Tesi
Accés obertThe external sulfate attack (ESA) is a complex degradation process typically compromising the durability of underground foundations, nuclear or industrial waste containments and tunnel linings exposed to sulfate solutions. ... -
Non-destructive techniques for determining the properties of fibre reinforced concrete
Galeote Moreno, Eduardo; Monserrat, Andrea; Ikumi Montserrat, Tai; Fuente Antequera, Albert de la (2022)
Comunicació de congrés
Accés restringit per política de l'editorialNon-destructive techniques can be used to assess the properties of FRC instead of performing tests that may increase testing time and material waste. Such techniques are oriented for both fresh and hardened state, enabling ... -
Numerical assessment of external sulfate attack in concrete structures: a review
Ikumi Montserrat, Tai; Segura Pérez, Ignacio (2019-07)
Article
Accés obertThe slow progress of the external sulfate attack and the large size and criticality of typical structures affected by this phenomenon establish numerical modeling as a key tool to assess the future evolution of concrete ... -
Performance of blended cements with limestone filler and illitic calcined clay immediately exposed to sulfate environment
Rosetti, Agustín; Ikumi Montserrat, Tai; Segura Pérez, Ignacio; Irassar, Egardo Fabián (International Union of Laboratories and Experts in Construction Materials, Systems and Structures (RILEM), 2020)
Capítol de llibre
Accés restringit per política de l'editorialThe use of ternary blended cements with limestone filler and calcined clays can improve the durability of concrete structures exposed to aggressive environments and extend their service life. In sulfate-rich environments, ... -
Simplified analytical assessment of damage induced by the external sulphate attack in concrete piles
Ikumi Montserrat, Tai; Pialarissi Cavalaro, Sergio Henrique; Segura Pérez, Ignacio; Goodier, Chris; Austin, Simon (Springer, 2017)
Comunicació de congrés
Accés restringit per política de l'editorialUnderground structures and foundations, including piles, constructed with reinforced concrete may be in contact with sulphate-rich soils and water. Structural elements exposed to these conditions may be affected by an ... -
Simplified methodology to evaluate the external sulfate attack in concrete structures
Ikumi Montserrat, Tai; Pialarissi Cavalaro, Sergio Henrique; Segura Pérez, Ignacio; Fuente Antequera, Albert de la; Aguado de Cea, Antonio (2016-01)
Article
Accés obertThe external sulfate attack is a degradation process that causes expansion and cracking in concrete structures. Due to the absence of simplified methodologies to predict the potential damage, codes specify that sulfate ... -
Simplified model to assess the durability of elements subjected to external sulphate attack: influence of shape and size of the elements
Ikumi Montserrat, Tai; Pialarissi Cavalaro, Sergio Henrique; Segura Pérez, Ignacio; Fuente Antequera, Albert de la; Aguado de Cea, Antonio (2016)
Text en actes de congrés
Accés restringit per política de l'editorialThe mitigation of the external sulfate attack from the standpoint of the design of concrete structures is usually based on the use of cement with limited content of aluminates. Nevertheless, other parameters may affect the ... -
Sulfate performance of blended cements (limestone and illite calcined clay) exposed to aggressive environment after casting
Rossetti, Agustín; Ikumi Montserrat, Tai; Segura Pérez, Ignacio; Irassar, Egardo Fabián (2021-09-01)
Article
Accés obertThis paper evaluates how early aggressive exposure affects the sulfate resistance of blended cements containing limestone filler and/or calcined clay. Mortar and cement paste specimens were elaborated with different ... -
Sulfate resistance of blended cements (limestone illite calcined clay) exposed without previous curing
Rosetti, Agustín; Ikumi Montserrat, Tai; Segura Pérez, Ignacio; Irassar, Egardo Fabián (2020)
Text en actes de congrés
Accés obertDurability in aggressive environments is an important factor to extend the service life of concrete and the use ternary blended cements (limestone filler + calcined clays) can contribute to this purpose. In sulfate ... -
Synergistic effect of fatigue loading and accelerated corrosion on reinforced concrete beams
Ikumi Montserrat, Tai (Universitat Politècnica de Catalunya / Wuhan University, 2011)
Projecte/Treball Final de Carrera
Accés restringit per decisió de l'autorSome structures such as bridges and marine structures that are susceptible to corrosion are also subjected to repeated loading. Whenever corrosion damage can occur to the material surface of a dynamically loaded structure, ...