Miriam E. Krüger
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View article: Report of RILEM TC 301-ASR: relation between pore solution composition and ASR expansion
Report of RILEM TC 301-ASR: relation between pore solution composition and ASR expansion Open
An important parameter determining the risk of alkali-silica reaction (ASR) in concrete is the availability of alkali ions as they are closely related to the OH − concentration in the pore solution. Comparison of concrete or mortar expansi…
View article: Modelling and visualizing the impact of metakaolin on the alkali concentration in cement paste pore solution
Modelling and visualizing the impact of metakaolin on the alkali concentration in cement paste pore solution Open
This study investigates the effects of replacing Portland cement (PC) with metakaolin (MK) on the pore solution composition of cementitious binders. Using the empirical Taylor model and a thermodynamic model (GEMS), the required replacemen…
View article: Report of RILEM TC 301-ASR: Modelling the impact of SCMs, alkali level and w/b ratio on alkali concentration in pore solution
Report of RILEM TC 301-ASR: Modelling the impact of SCMs, alkali level and w/b ratio on alkali concentration in pore solution Open
Supplementary cementitious materials (SCMs) can mitigate alkali-silica reaction by lowering the alkali metal concentration in the pore solution. This is a theoretical study on the applicability of a thermodynamic model (GEMS) and the empir…
View article: The Distribution, Structure, and Chemical Composition of Alkali-Silica Gels in Calcined Clay Concretes
The Distribution, Structure, and Chemical Composition of Alkali-Silica Gels in Calcined Clay Concretes Open
This study investigates the effect of calcined clays (metakaolin, metasilt, metaclay) on the chemical composition, distribution, and structure of alkali–silica reaction (ASR) gels. Using 10 wt% of calcined clays reduced concrete expansion …
View article: Effect of the chemical composition of synthetic alkali-silica gels on their structure, swelling behavior and water uptake
Effect of the chemical composition of synthetic alkali-silica gels on their structure, swelling behavior and water uptake Open
For alkali-silica reaction (ASR) gels, the relationship between swelling expansion, structure and chemical composition, particularly the effect of aluminum, remains unknown. This study investigates the structure, swelling expansion and ass…
View article: Effect of the Chemical Composition of Synthetic Alkali-Silica Gels on Their Structure, Swelling Behavior and Water Uptake
Effect of the Chemical Composition of Synthetic Alkali-Silica Gels on Their Structure, Swelling Behavior and Water Uptake Open
View article: Effect of Calcined Clays on the Distribution, Structure, Chemical Composition of Alkali-Silica Gels and Their Expansion in Concrete
Effect of Calcined Clays on the Distribution, Structure, Chemical Composition of Alkali-Silica Gels and Their Expansion in Concrete Open
View article: The Distribution, Structure, and Chemical Composition of Alkali-Silica Gels in Calcined Clay Concretes
The Distribution, Structure, and Chemical Composition of Alkali-Silica Gels in Calcined Clay Concretes Open
View article: Effect of cement composition and the storage conditions on the morphology of ASR products in concrete
Effect of cement composition and the storage conditions on the morphology of ASR products in concrete Open
Under natural conditions, the alkali silica reaction (ASR) is a slow degradation process in concrete. Therefore, accelerated laboratory test methods are used to estimate the alkali‐reactivity of aggregates and concrete performance regardin…
View article: Investigations on alkali-silica reaction products using Raman spectroscopy
Investigations on alkali-silica reaction products using Raman spectroscopy Open
The alkali-silica reaction (ASR) remains a major challenge regarding the durability of concrete structures. The reaction mechanism is not sufficiently understood owing to the difficulty in characterizing the structure of the alkali-silica …
View article: Effect of Aluminum on the Structure of Synthetic Alkali-Silica Gels
Effect of Aluminum on the Structure of Synthetic Alkali-Silica Gels Open
View article: Data-Driven Product Quality Monitoring in Quality-Critical Forming Processes
Data-Driven Product Quality Monitoring in Quality-Critical Forming Processes Open
Quality-critical production processes influence the final product quality significantly. There is an increasing demand for highly accurate product quality monitoring systems to reduce time- and cost-intensive product inspections. This pape…