Antonio Caggiano

Antonio Caggiano
Università degli Studi di Genova | UNIGE · Dipartimento di Ingegneria civile, chimica e ambientale (DICCA)

Adj. Prof. Dr. Dr.-Ing.
https://www.rilem.net/groupe/299-tes-thermal-energy-storage-in-cementitious-composites-422

About

151
Publications
24,688
Reads
How we measure 'reads'
A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. Learn more
1,453
Citations

Publications

Publications (151)
Article
Full-text available
This paper reports a comprehensive experimental investigation of cement pastes enhanced with Microencapsulated Phase Change Materials (MPCM) for Thermal Energy Storage (TES) purposes. The experimental plan considers three water-to-binder ratios and three MPCM volume fractions, for a total of nine different MPCM paste mixtures. The water-to-binder r...
Article
Dehydration of calcium silicate hydrates, the primary binding phase of cement paste, contributes significantly to the degradation of cementitious materials at high temperatures. Kinetics of the dehydration process is usually parameterized as the product of the classic Arrhenius equation and a kinetic expression, calibrating the influence of the tem...
Article
Full-text available
La investigación experimental ha demostrado el extraordinario potencial de la adición de fibras cortas a los materiales cementiceos, ya que mejoran significativamente el comportamiento de estructuras de hormigón en los estados límite de servicio y último. Para la simulación del comportamiento no lineal del material en estructuras de hormigón reforz...
Article
Full-text available
A conceptual phase-field model is proposed for simulating complex microstructural evolu-tions during the self-healing process of cementitious materials. This model specifically considers carbona-tion healing mechanisms activated by means of dissolution of soluble Ca(OH) 2 mineral and precipitation of the CaCO 3 self-healing product. The system is d...
Chapter
This work deals with a research study on the fatigue behavior of cohesive frictional materials like concrete or mortars. A two-scale approach will be proposed for analyzing concrete specimens subjected to either low- or high-cycle fatigue actions. The multiscale technique is based on a combination of a micro-scale procedure, to describe the microst...
Article
Full-text available
This paper aims at further advancing the knowledge about the cyclic behavior of FRP strips glued to quasi-brittle materials, such as concrete. The results presented herein derive from a numerical model based on concepts of based on fracture mechanics and already presented and validated by the authors in previous works. Particularly, it assumes that...
Article
Monitoring exposure to air pollution is a critical component in policy discussion. In this regard, over the last 40 to 50 years, most industrialized countries have established robust and costly systems for air quality monitoring in cities. Nevertheless, this technology is not widely distributed or easily accessible for installation and manipulation...
Article
Improving energy efficiency with construction and building materials represents one of the key challenges in the recent research and developments of the international community. Innovations in the construction sector are seeking breakthrough answers by using smart and intelligent materials, energy saving concepts, and cost-effective solutions, in o...
Article
Full-text available
This work reports a detailed experimental study that is aimed at investigating the failure mechanisms of highly porous cementitious foams used as heat insulation under triaxial stress states. The designed target dry density of the considered foam mixture was 180 kg/m3 by setting the water to cement ratio of the considered cement paste to 0.4. The m...
Chapter
Thermal-Energy Storage (TES) properties of organic phase change materials have been experimentally investigated and reported in this paper. Three paraffin-based PCMs and one bio-based one are considered with melting temperatures of 24 °C, 25 °C and 26 °C. Sensible heat storage capacities, melting characteristics and latent heat enthalpies are inves...
Chapter
This work reports the results of an extensive experimental campaign aimed at investigating the Thermal Energy Storage (TES) behavior of PCM Recycled Brick Aggregate (RBA) mortars. Test specimens for TES measurements were produced following a new spherical-shaped technique, patented as “DKK test” by the Institute of Construction and Building Materia...
Article
Full-text available
Modelling of a mineral dissolution front propagation is of interest in a wide range of scientific and engineering fields. The dissolution of minerals often involves complex physi-co-chemical processes at the solid-liquid interface (at nano-scale), which at the micro-to-meso-scale can be simplified to the problem of continuously moving boundaries. I...
Article
Experimental research has shown the extraordinary potential of the addition of short fibers to cement‐based materials by improving significantly the behavior of concrete structures for serviceability and ultimate limit states. Software based on the finite element method has been used for the simulation of the material nonlinear behavior of fiber‐re...
Article
Full-text available
In this work, the Acoustic Emissions (AEs), detected in real-scale Reinforced Concrete (RC) beams which have been tested under four-point bending, are investigated and correlated with their structural responses and damage evolutions. Two different reinforcing bar arrangements, with or without shear stirrups, were designed in order to obtain bending...
Article
Full-text available
Improving the durability and sustainability of concrete structures has been driving the enormous number of research papers on self-healing mechanisms that have been published in the past decades. The vast developments of computer science significantly contributed to this and enhanced the various possibilities numerical simulations can offer to pred...
Article
Full-text available
High temperature effect on cement-based composites, such as concrete or mortars, represents one of the most important damaging process that may drastically affect the mechanical and durability characteristics of structures. In this paper, the results of an experimental campaign on cement mortars submitted to high temperatures are reported and discu...
Article
Full-text available
This study deals with the analytical modeling of hybrid fiber-reinforced concretes (HyFRCs) made with a blend of different types of fibers characterized by different geometries and/or constitutive materials. The presented analytical formulation is oriented towards predicting the postcracking behavior of HyFRC and is mainly based on the well-known “...
Article
Full-text available
This work proposes a numerical procedure to simulate and optimize the thermal response of a multilayered wallboard system for building envelopes, where each layer can be possibly made of Phase Change Materials (PCM)-based composites to take advantage of their Thermal-Energy Storage (TES) capacity. The simulation step consists in solving the transie...
Poster
Full-text available
Research task: Experimental and numerical activities dealing with eNeRGy-STORAGE phenomena in highly porous cementitious foams enhanced with Phase Change Materials.
Article
Full-text available
Thermal-Energy Storage (TES) properties of organic phase change materials have been experimentally investigated and reported in this paper. Three paraffin-based Phase Change Materials (PCMs) and one bio-based PCM are considered with melting temperatures of 24 °C, 25 °C and 26 °C. Sensible heat storage capacities, melting characteristics and latent...
Conference Paper
This work reports the results of an extensive experimental campaign aimed at investigating the Thermal Energy Storage (TES) behavior of PCM Recycled Brick Aggregate (RBA) mortars. Test specimens for TES measurements were produced following a new spherical-shaped technique, patented as "DKK test" by the Institute of Construction and Building Materia...
Conference Paper
This work deals with a research study on the fatigue behavior of cohesive frictional materials like concrete or mortars. A two-scale approach will be proposed for analyzing concrete specimens subjected to either low-or high-cycle fatigue actions. The multiscale technique is based on a combination of a micro-scale procedure, to describe the microstr...
Conference Paper
Thermal-Energy Storage (TES) properties of organic phase change materials have been experimentally investigated and reported in this paper. Three paraffin-based PCMs and one bio-based one are considered with melting temperatures of 24 °C, 25 °C and 26 °C. Sensible heat storage capacities, melting characteristics and latent heat enthalpies are inves...
Article
Full-text available
This paper reports a numerical approach for modelling the thermal behavior and heat accumulation/liberation of sustainable cementitious composites made with Recycled Brick Aggregates (RBAs) employed as carriers for Phase-Change Materials (PCMs). In the framework of the further development of the fixed grid modelling method, classically employed for...
Article
A micro-scale-based approach for the numerical analysis of cement-based materials, subjected to low-and high-cycle fatigue actions, is presented in this paper. The constitutive model is aimed at describing the evolving microstructural changes caused by cyclic loading protocols. More specifically, statistically representative microscopic geometries...
Chapter
This study overviews existing methods for analyzing cement paste yield stress, and presents a new approach based on micro-structural computation. The proposed model explicitly considers cement particle interactions, both the colloidal and the nucleated gel ones. A new algorithm is proposed based on flocculating of poly-dispersed hard spheres in a s...
Conference Paper
Full-text available
The use of concrete as construction and building material has enormously increased in the last decades. Innovations in the concrete industry are asking for answers in terms of reusing construction demolishing waste, energy saving concepts and cost-effective solutions for CO2 reductions. Therefore, the concrete industry has committed itself towards...
Article
A micro‐scale‐based approach for the numerical analysis of cement‐based materials, subjected to low‐ and high‐cycle fatigue actions, is presented in this paper. The constitutive model is aimed at describing the evolving microstructural changes caused by cyclic loading protocols. The plastic‐damage‐based model is formulated combining the concepts of...
Conference Paper
In this paper, a modelling approach for autogenous self-healing is presented that is initially based on the healing potential of encapsulation of various cement particle fractions with time. The healing potential of a blended cementitious system will be provided that consists of original cementitious particles mixed with so-called Dissoluble Encaps...
Article
This paper provides preliminary results of a research study on the fatigue behavior of Ultra-High-Performance Concrete (UHPC). Results of an experimental campaign, performed at the Department of Concrete Structures and Structural Engineering of the TU-Kaiserslautern, are firstly proposed. The heterogeneous meso-structure and material degradation of...
Article
Full-text available
This paper reports the results of an experimental program on sustainable cementitious composites made with Recycled Brick Aggregates (RBAs) employed as carriers for Phase-Change Materials (PCMs). The PCM-RBAs were produced by following an advanced incorporation and immobilization technique, developed and patented at the Institut für Werkstoffe im B...
Article
Full-text available
This paper provides experimental results on investigations for the validation of photogrammetric strain measurements of ultra‐high‐performance concrete (UHPC)‐prisms subjected to static and cyclic bending‐tensile stress. For this purpose, 4 static and 5 cyclic test series were performed. Damage progresses during loading are monitored by means of a...
Poster
Full-text available
This work is aimed at describing hydration phenomena driving autogenous self-healing mechanisms in cracked concretes. Particularly, a phase field-based approach is proposed for modeling the dynamics of liquid-solid interfaces which evolve due to dissolution and precipitation processes, being both the key driving phenomena controlling the chemical r...
Article
Full-text available
Nowadays, the use of phase change materials (PCMs) represents a novel technique employed for retrofitting facades in existing buildings, mainly to fulfil temperature comfort and building energy efficiency requirements. The present study summarizes the results of a wide series of permeability tests carried out for understanding the moisture transpor...
Article
Contexto: La producción de hormigón se caracteriza por una importante demanda de energía y materias primas, emitiendo grandes cantidades de gases de efecto invernadero (GEI). Asimismo, la construcción, mantenimiento y demolición de edificios genera enormes cuantías de residuos que requieren costosos y ambientalmente sensibles procedimientos de disp...
Article
Full-text available
This work reports a detailed experimental study that aimed at investigating the Thermal Energy Storage (TES) performance of cementitious systems containing Microencapsulated Phase Change Materials (MPCMs). New spherical-shaped test specimens for TES measurements were produced following an innovative casting technique, developed at the Institut für...
Article
Full-text available
Accumulating solar and/or environmental heat in walls of apartment buildings or houses is a way to level-out daily temperature differences and significantly cut back on energy demands. A possible way to achieve this goal is by developing advanced composites that consist of porous cementitious materials with embedded phase change materials (PCMs) th...
Cover Page
Full-text available
Our paper "Caggiano, A., Mankel, C., & Koenders, E. (2019). Reviewing theoretical and numerical models for PCM-embedded cementitious composites. Buildings, 9(1), 3." https://www.mdpi.com/2075-5309/9/1/3 was selected as the journal issue cover.
Article
Full-text available
A multiscale framework for thermo-mechanical analysis with phase transformations is proposed in this work. The formulation covers those cases including coupled constitutive equations for simulating thermo-mechanical processes considering phase transformation phenomena. The general case of temperature- and phase-dependent procedures, involving nonli...
Conference Paper
Full-text available
A modelling approach for describing the self-healing potential of blended cementitious systems will be addressed in this work. A micro-structural approach for cement-based systems is developed and mainly based on anhydrous cementitious particles mixed through so-called Dissoluble Encapsulated Particles (DEPs). These latter are predefined fractions...
Conference Paper
Full-text available
A numerical approach for modelling the mechanical behavior of fiber reinforced concrete beams is presented, based on a non-linear cracked hinge model, incorporating a fracture energy based constitutive law for the plain concrete matrix and in turn, proper constitutive laws aimed at capturing the crack-bridging effect of steel macro-fibers. Moreover...
Conference Paper
Full-text available
A novel numerical methodology for analyzing fracture processes in cementitious materials is presented, introducing the combined use of zero-thickness Interface Elements (IEs), and the Virtual Element Method (VEM). A discrete crack approach is chosen to model failure, which allows very efficient and effective spacial discretizations and numerical pr...
Article
Full-text available
This paper investigates the effect of high temperature on two different Self-Compacting (SC) cementitious composites. SC-High Strength (SCHSC) and Fiber-Reinforced Concrete (SCHSFRC) samples were tested in three-point bending after having been exposed to high temperature at 300 and 600 °C. Besides the conventional force-displacement response, Acous...
Conference Paper
Full-text available
This work presents the current research activities running at the Institute of Construction and Building Materials (WiB) of TU Darmstadt and is with the investigation of advanced coupling of two physical mechanisms represented by a heat problem and microstructural heterogeneities of cement-based composites. Particularly, the thermal response of tho...
Poster
Full-text available
Research task: Developing a heat transfer model (H) to realise a multiscale homogenisation technique for thermal properties of PCM-concretes affected by phase change enthalpies (link between micro-/ meso-and also macroscale)
Conference Paper
Full-text available
In the last decades, the use of smart components embedded inside cementitious composites, called Phase Change Materials (PCMs), has become a more and more attractive solution for saving energy and to provide a more efficient thermal comfortability to modern buildings and constructions. This work presents the current research activities running at t...
Conference Paper
This paper aims to analyze the post-cracking behavior of Fiber Reinforced Concrete (FRC) elements. It proposes a model based on combining an appropriate fracture-based stress-crack opening relationship, for the plain concrete matrix, with proper constitutive laws for capturing the crack-bridging effect of macro steel fibers. An original meso-scale...
Conference Paper
The present study aims at investigating the influence of Recycled Steel Fibers (RSFs) recovered from waste tires on the resulting post-cracking response of Fiber-Reinforced Concrete (FRC) mixtures, when they are employed for replacing conventional Industrial Steel Fibers (ISFs). It moves from the results of four-point bending tests carried out on a...
Conference Paper
Full-text available
In its fresh state, cementitious systems can be considered as colloidal suspensions build up from a mineral particles that follow a predefined grading. In this paper, a modelling approach that shows the healing potential of a blended cementitious system will be provided that consists of original cementitious particles mixed with so-called Dissolubl...
Article
Full-text available
This paper proposes a model aimed at simulating the strain-rate effect in Fiber Reinforced Polymer (FRP) strips glued to concrete. More specifically, the loading rate-dependent bond mechanisms are evaluated by extending a classical overstress viscoplastic approach, available in the literature, generally referred to as Duvaut-Lions’ approach. The mo...
Chapter
This paper is intended as a practice-oriented contribution about the use of sustainable Fiber-Reinforced Concrete (FRC) in the design of structural members according to the provisions of the current codes and guidelines. More specifically, the work focusses on Hybrid Industrial/Recycled Steel Fiber-Reinforced Concrete (HIRSFRC) realised by combinin...
Article
Full-text available
This paper proposes a mesoscale approach for simulating moisture transport by capillary action in partly-saturated porous cementitious composites. The modeling approach explicitly accounts for moisture transport through a mesostructure composed of coarse aggregates, surrounding cementitious mortar and interfaces. These latter, namely interface tran...
Article
Full-text available
A novel procedure for analysing fracture processes in quasi-brittle materials and consisting in combining the discrete crack approach by means of interface elements with the Virtual Element Method is proposed and developed in this work. In particular, the proposed procedure is used in the simulation of non-linear mechanical response and cracking of...
Article
Full-text available
This work proposes a meso-scale approach for modeling the failure behavior of concrete exposed at elevated temperature inducing thermal damage. The procedure accounts for a thermo-mechanical and pore-pressure based interface constitutive rule. More specifically, the model represents a straightforward extension of a coupled thermo-mechanical fractur...
Conference Paper
Full-text available
In the last decades, the use of smart components embedded inside cementitious materials, like Phase Change Material (PCM), has become a more and more attractive solution for saving energy and for providing a more efficient thermal comfortability to modern buildings. Present research running at the Institute of Construction and Building Materials (W...
Conference Paper
Full-text available
This paper aims at investigating the cyclic response of FRP strips glued to concrete subjected low-cycle fatigue actions, such as those induced by earthquake events. The study starts from a theoretical model capable to simulate the mechanical response of the aforemen-tioned FRP-to-concrete joints. The model is formulated within the general theoreti...
Conference Paper
This work reports on an experimental campaign aimed at analyzing the mechanical performance of fiber reinforced concrete (FRC) produced with both industrial (I) and recycled (R) steel fibers (SFs), leading to the so-called hybrid-IRFRC (HIRFRC). Specifically, RSFs obtained from waste tires are considered. Six concrete mixtures with different amount...
Article
Full-text available
This paper summarizes the results of an experimental research on “sustainable” cementitious composites internally reinforced with industrial and recycled steel fibers, the latter being recovered from waste tires and employed in substitution and/or addition of the industrial steel ones. Specifically, six concrete mixtures including different amount...
Article
Full-text available
A damage-plasticity constitutive theory for zero-thickness interfaces is presented aimed at predicting time-dependent self-healing phenomena in concrete. The material model is based on fracture-energy concepts and accounts for the time evolution of concrete porosity induced by the self-healing mechanism. The accuracy and soundness of the proposed i...
Chapter
Pneumatic tyres are nowadays among the most widespread industrial products and, hence, handling tyres that have reached their end-of-life is indeed a critical issue. This Chapter provides readers with the key facts about tyre production and consumption. Particularly, it describes the raw materials which they are made from, and summarises the main c...
Chapter
This chapter introduces some of the relevant modelling approaches that are being used to simulate the behaviour of cementitious materials reinforced with discrete fibres. The major part of these approaches were originally proposed for modelling non-fibrous reinforced cement based materials‚ therefore the main focus herein given is related to the as...
Chapter
In this Chapter, a thermodynamically consistent gradient model is proposed for natural aggregate concrete and then, modified to take into account the addition of different contents of recycled aggregates and its influence on concrete mechanical response. A particular and simple form of gradient-based plasticity is considered, where the state variab...