Thermo-mechano-chemical modeling and computation of thermosetting polymers used in post-installed fastening systems in concrete structures

Abali, Bilen Emek; Vorel, Jan; Wan‐Wendner, Roman

doi:10.1007/s00161-020-00939-4

Cited by 6 publications

(4 citation statements)

References 72 publications

(87 reference statements)

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“…An evolution equation is important for simulations [ 56 ] leading to predictive results in real-life applications, which is left to further research.…”

Section: Discussionmentioning

confidence: 99%

Cure Kinetics and Inverse Analysis of Epoxy-Amine Based Adhesive Used for Fastening Systems

et al. 2021

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Thermosetting polymers are used in building materials, for example adhesives in fastening systems. They harden in environmental conditions with a daily temperature depending on the season and location. This curing process takes hours or even days effected by the relatively low ambient temperature necessary for a fast and complete curing. As material properties depend on the degree of cure, its accurate estimation is of paramount interest and the main objective in this work. Thus, we develop an approach for modeling the curing process for epoxy based thermosetting polymers. Specifically, we perform experiments and demonstrate an inverse analysis for determining parameters in the curing model. By using calorimetry measurements and implementing an inverse analysis algorithm by using open-source packages, we obtain 10 material parameters describing the curing process. We present the methodology for two commercial, epoxy based products, where a statistical analysis provides independence of material parameters leading to the conclusion that the material equation is adequately describing the material response.

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“…An evolution equation is important for simulations [ 56 ] leading to predictive results in real-life applications, which is left to further research.…”

Section: Discussionmentioning

confidence: 99%

Cure Kinetics and Inverse Analysis of Epoxy-Amine Based Adhesive Used for Fastening Systems

et al. 2021

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“…The process of curing can be observed either experimentally [47], or numerically. We refer to [48] for a general framework of modeling and computational implementation in thermo-mechano-chemical processes.…”

Section: Mortar Curing and Modeling Degree Of Curementioning

confidence: 99%

“…The degree of cure, 𝜙, denotes the ratio of hardened material in the bulk. Its change in time is modeled by an evolution equation and a coupled thermomechanical simulation is possible with material equations derived by using principles of thermodynamics [48,60,68]. Modeling the evolution equation for the degree of cure is based on the type of chemical reaction kinetics.…”

Section: Mortar Curing and Modeling Degree Of Curementioning

confidence: 99%

Mortar cure-dependent effects on adhesive anchor systems loaded in tension

Meißl

Ninčević²,

Abali³

et al. 2023

Construction and Building Materials

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“…The compatible components of strain-displacement relations have the following form [24][25][26][27][28][29][30][31][32][33][34][35]…”

Section: Theoretical Modelingmentioning

confidence: 99%

On thermal stability of piezo-flexomagnetic microbeams considering different temperature distributions

Malikan

Wiczenbach

Eremeyev

2021

Continuum Mech. Thermodyn.

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By relying on the Euler–Bernoulli beam model and energy variational formula, we indicate critical temperature causes in the buckling of piezo-flexomagnetic microscale beams. The corresponding size-dependent approach is underlying as a second strain gradient theory. Small deformations of elastic solids are assessed, and the mathematical discussion is linear. Regardless of the pyromagnetic effects, the thermal loading of the thermal environment varies in three states along with the thickness, which is linear, uniform, and parabolic forms. We then establish the results by developing consistent shape functions that independently evaluate boundary conditions. Next, we analytically develop and explore the effective properties of the studied beam concerning vital factors. It was achieved that piezomagnetic-flexomagnetic microbeams are more affected by the thermal environment while the thermal loading is parabolically distributed across the thickness, particularly when the boundaries involve simple supports.

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Thermo-mechano-chemical modeling and computation of thermosetting polymers used in post-installed fastening systems in concrete structures

Cited by 6 publications

References 72 publications

Cure Kinetics and Inverse Analysis of Epoxy-Amine Based Adhesive Used for Fastening Systems

Cure Kinetics and Inverse Analysis of Epoxy-Amine Based Adhesive Used for Fastening Systems

Mortar cure-dependent effects on adhesive anchor systems loaded in tension

On thermal stability of piezo-flexomagnetic microbeams considering different temperature distributions

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