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Model for alkali-silica reaction expansions in concrete using zero-thickness chemo-mechanical interface elements
(2020-12)
Article
Open AccessAlkali-Silica Reaction (ASR) is a particular type of chemical reaction in concrete, which produces cracking and overall expansion of the affected structural element due to the formation of expansive reaction products within ... -
Application of configurational mechanics to crack propagation in quasi-brittle materials
(2021-01)
Article
Open AccessThe paper describes a numerical approach to represent cracking along non-pre-established directions, in 2-D structures or domains of quasi-brittle materials such as concrete or rock. The approach is developed on the basis ... -
Displacement-based and hybrid formulations of zero-thickness mortar/interface elements for unmatched meshes, with application to fracture mechanics
(John Wiley & sons, 2021-02)
Article
Open AccessThe present article develops two formulations of zero-thickness mortar/interface finite elements for unmatched meshes, which are implemented in a unified theoretical framework. The first one is displacement-based and may ... -
Laboratory-based spectral data acquisition of roof materials
(2020)
Article
Restricted access - publisher's policyRoof characteristics such as material type and their properties information are essential to integrating urban agriculture (UA), rainwater harvesting systems (RWHS), and energy systems on roofs. Roof materials can be ... -
Criterios y alternativas para la evaluación de la tenacidad en hormigones con fibras de acero
(2003-07)
Article
Open AccessLos Hormigones Reforzados con Fibras (HRF) constituyen una de las innovaciones más relevantes en el campo de los hormigones especiales. La presencia del refuerzo provoca una sustancial modificación de la respuesta mecánica ... -
Quantifying energy symbiosis of building-integrated agriculture in a mediterranean rooftop greenhouse
(2020-08)
Article
Restricted access - publisher's policyA major concern for sustainable development is urban systems energy consumption. A possible way to gain additional whole system energy efficiencies is to integrate rooftop greenhouses (iRTG) on unoccupied roofs. This work ... -
Application of zero-thickness interface elements to sanding prediction analysis
(2020-07)
Article
Restricted access - publisher's policyA computational micromechanical analysis based on zero thickness interface elements for modelling solid prediction in hydrocarbon reservoir sandstones is presented. The model is capable of modelling localization of ... -
Environmental effects of using different construction codes applied to reinforced concrete beam designs based on Model Code 2010 and Spanish Standard EHE-08
(2019-01)
Article
Open AccessAssuming specific behavior models, the variety of design codes currently used for the design of concrete beams inevitably results in different solutions, ensuring service during the expected lifetime with a maximum functional ... -
Effects of an internal sulfate attack and an alkali-aggregate reaction in a concrete dam
(2018-03)
Article
Open AccessThe alkali-aggregate reaction and the internal sulfate attack are two chemical reactions that lead to expansions in concrete structures. The former is one of the main causes of expansions in concrete dams and has been ... -
Rooftop greenhouses in educational centers: a sustainability assessment of urban agriculture in compact cities
(Elsevier, 2018)
Article
Open AccessToday, urban agriculture is one of the most widely used sustainability strategies to improve the metabolism of a city. Schools can play an important role in the implementation of sustainability master plans, due their ... -
Modelling acid attack of oilwell cement exposed to carbonated brine
(John Gale, 2018-01)
Article
Open AccessA diffusion-reaction model for the carbonation process of oilwell cement exposed to carbonated brine under CO2 geological storage conditions is presented. The formulation consists of two main diffusion/reaction field ... -
ASR expansions in concrete under triaxial confinement
(2018-02)
Article
Open AccessIt is well known that the Alkali-Silica Reaction (ASR) expansion in concrete is influenced by the stress state of the material. However, the extent and nature of this influence is not completely understood due to the ...
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